Every suture is either a single strand or multiple strands braided together. This structural difference is the most fundamental distinction in suture selection more fundamental than absorbable vs. non-absorbable, and more consequential for infection risk than most owners realize.

The choice between monofilament and multifilament affects how easily bacteria can colonize the suture, how smoothly it passes through tissue, and how confidently a surgeon can tie a secure knot.

Quick answer: Monofilament sutures are single strands with a smooth surface that resists bacterial adhesion and causes less tissue drag. Multifilament sutures are braided from multiple strands and offer superior knot security and handling, but their interstices can harbor bacteria and wick fluid. Monofilament is preferred in contaminated wounds and for internal layers. Multifilament (Vicryl) is acceptable in clean elective surgery where its handling advantages matter and infection risk is low.

Key takeaways

• Monofilament sutures have a smooth surface that resists bacterial colonization and causes less tissue drag.
• Multifilament (braided) sutures offer superior knot security and are more pliable, making them easier to handle.
• Monofilament is the safer choice in contaminated wounds, bite wounds, and high-infection-risk patients.
• Vicryl (polyglactin 910) is the most common braided suture used in veterinary internal tissue closure.
• PDS, Monocryl, nylon, and Prolene are all monofilament the most commonly used veterinary sutures overall.
• The "wicking" effect of braided sutures can transmit bacteria from the wound surface along the suture strand by capillary action.

Structure: what makes the difference

Monofilament

A single, continuous strand of suture material. The surface is smooth and uniform.

Structural properties:

• Low tissue drag: passes through tissue with minimal friction
• No interstices: bacteria have no spaces to colonize
• High "memory": the suture tries to return to its original shape, making handling slightly less pliable
• Lower knot security: requires additional throws (4 to 5 total) to prevent knot slippage

Examples: PDS (polydioxanone), Monocryl (poliglecaprone 25), Biosyn (glycomer 631), nylon (Ethilon), Prolene (polypropylene)

Multifilament (braided)

Multiple individual filaments twisted or braided together. The surface is textured.

Structural properties:

• Higher tissue drag: the braided surface grips tissue slightly more as the suture is pulled through
• Interstices between strands: spaces where bacteria can colonize and fluid can wick
• Low "memory": highly pliable and easy to handle
• Excellent knot security: the textured surface grips knot throws securely

Examples: Vicryl (polyglactin 910), Dexon (polyglycolic acid), silk

Infection risk: the most important clinical difference

The braided structure of multifilament sutures creates a capillary system. Fluid and the bacteria it carries can wick through the suture strand from the wound surface into deeper tissue.

Multiple published sources confirm this mechanism:

PMC12729719 (Randomized Controlled Trial, microbial colonization and tissue reaction): "Monofilament sutures offer less resistance during passage through tissue and present a lower risk of microbial colonization compared to multifilament sutures. Although multifilament sutures are typically more resistant, their braided structure can facilitate through capillary action the transmission of oral fluids and therefore microorganisms into the wound a phenomenon known as 'wicking'."

PMC10135495 (Review of Barbed Sutures, 2023): "The major disadvantage of braided monofilament sutures is that they are prone to attract bacteria that proliferate in the interstices between the filaments where they are shielded from the host's inflammatory response, which results in wound infection."

Practical guidance:

For how the infection risk difference applies specifically to contaminated wound closure, see how monofilament vs multifilament affects infection risk.

Handling: the practical advantage of braided sutures

The pliability and knot security of multifilament sutures create real advantages in the operating room advantages that explain why braided materials remain widely used despite the infection risk trade-off.

Knot security: each throw of a braided knot grips the previous throw due to surface texture. A 3-throw square knot holds reliably in Vicryl. The same knot in nylon (monofilament) may slip without additional throws.

Pliability: monofilament sutures have "memory" a tendency to maintain their original straight configuration. This makes them harder to handle and more likely to pop out of the tissue forceps. Braided sutures are soft and drape naturally.

Speed: in practices with high surgical volume, the handling advantages of braided sutures reduce operating time. This partly explains why Vicryl remains a standard choice for subcutaneous closure in many practices.

Common examples in veterinary practice

Monofilament absorbable

PDS (polydioxanone): linea alba, fascia, deep muscle, joint capsule. Slow to absorb, long strength retention.

Monocryl (poliglecaprone 25): subcutaneous tissue, intradermal skin, urinary bladder. Fast absorption, low tissue reaction.

Biosyn (glycomer 631): similar profile to Monocryl; an alternative where Monocryl is not available.

Multifilament absorbable

Vicryl (polyglactin 910): subcutaneous tissue, vessel ligation. Good handling, moderate absorption time. Not recommended for urinary bladder (alkaline environment accelerates absorption prematurely).

Dexon (polyglycolic acid): similar properties to Vicryl; less commonly used in current practice.

Monofilament non-absorbable

Nylon (Ethilon): external skin closure. Inexpensive, low tissue reaction, requires removal.

Prolene (polypropylene): external skin, cardiovascular tissue, permanent repairs. Does not degrade; even lower tissue reaction than nylon.

Multifilament non-absorbable

Silk: primarily for drain fixation, suture ligatures in specific contexts. High tissue reaction; not recommended for wound closure.

For how these materials map to tissue types across the full layer sequence, see choosing suture material in dogs. For cats, see choosing suture material in cats.

When each structure is appropriate

Monofilament is required when:

• The wound has any contamination
• The patient is immunocompromised or on steroids
• Infection risk is a primary concern
• The closure will be buried in an environment with bacteria (e.g., oral surgery, urinary tract)

Multifilament is acceptable when:

• The wound is clean and elective
• Handling properties matter for surgical efficiency
• The surgeon's technique compensates for lower knot security of monofilament alternatives

For how the monofilament vs. multifilament distinction maps to the full absorbable vs. non-absorbable decision, see absorbable vs non-absorbable alongside this decision. For how barbed sutures (a type of monofilament) compare as a variant within this category, see barbed sutures as a monofilament variant.

Frequently asked questions

My vet used Vicryl in a bite wound. Is that a problem?

Bite wounds carry significant bacterial load and are considered contaminated. Monofilament absorbable sutures are the preferred choice for internal layers in bite wound closure. If Vicryl was used, it does not guarantee infection but in future procedures, it is reasonable to discuss your preference for monofilament in contaminated cases. Alert your vet to watch closely for signs of infection in the first 7 to 10 days.

Does monofilament have any disadvantages compared to braided?

Yes handling. Monofilament sutures have memory (the tendency to spring back to their original shape), making them harder to tie and hold in tissue during placement. They also require more knot throws for security. These handling challenges are real but manageable with proper technique, and the infection risk advantage makes monofilament the preferred choice in most internal tissue layers.

Are there any sutures that combine the advantages of both?

Coated braided sutures (coated Vicryl) reduce the wicking effect by applying a smooth coating over the braid. This improves handling compared to monofilament while reducing capillary action compared to uncoated braided sutures. They remain a compromise, not a solution monofilament is still preferred in contaminated wounds.

The single-strand vs. braided distinction is not a minor technical detail it is a fundamental property that affects bacterial behavior in and around the suture. When the wound is clean, both types work. When the wound is contaminated, only monofilament sutures give bacteria nowhere to hide.

Resources

• PMC (Clinical Trial, 2025). Comparative Assessment of Microbial Colonization Among Suture Materials. ncbi.nlm.nih.gov
• PMC (Bioengineering, 2023). A Review of Barbed Sutures Evolution, Applications and Clinical Significance. ncbi.nlm.nih.gov
• Clinician's Brief. How to Fine-Tune Suture Choices for Today's Veterinarian. cliniciansbrief.com
• WSAVA 2016 (VIN). Suture Materials. vin.com

Feline tumor excision creates the same fundamental closure challenge as in dogs the defect left by the tumor must be closed without compromising the margins that determined the cure rate. But the closure is performed on thinner, less elastic feline skin with fewer reconstruction options than in large-breed dogs.

Understanding how closure decisions are made helps owners interpret what the vet describes after surgery and what to expect during recovery.

Quick answer: Feline tumor excision closure follows the same layered sequence as dogs (deep margin if fascia was included, subcutaneous, skin) but with feline-specific modifications: 4-0 sutures throughout, intradermal Monocryl preferred for skin (feline skin tolerates external sutures poorly), and skin flaps used when primary tension-free closure is not achievable. Injection-site sarcomas in cats require particularly wide margins (often involving en bloc muscle removal) and frequently require reconstructive closure.

Key takeaways

• Feline skin is thinner and less elastic than canine skin, limiting primary closure options after wide-margin excision.
• 4-0 sutures throughout (vs. 3-0 in most medium dogs) feline tissue requires finer suture material.
• Intradermal Monocryl 4-0 is the preferred feline skin closure after tumor excision.
• Injection-site sarcomas (FISS) require the widest margins in feline oncological surgery and most commonly require reconstructive closure.
• Drain placement is particularly important in cats after wide excision, as dead space management is harder with thin subcutaneous tissue.
• Histopathology result timing (typically 5 to 10 business days) means re-excision discussion happens while the primary wound is still healing.

Feline tumor types and their closure implications

Injection-site sarcomas deserve specific mention. WSAVA/VIN (Soft Tissue Sarcoma 2016): "The aim of curative-intent surgery is to widely excise the primary tumor (3 cm wide and 3 cm or a fascial plane deep) and achieve negative histopathological margins."

For FISS, achieving these margins at the interscapular region frequently involves removing the trapezius muscle, spinous processes, or portions of scapula leaving a deep muscular defect that requires multi-layer closure and often a flap for the skin component.

Deep layer closure: when fascia or muscle is included

When the deep margin of excision includes the fascia below the tumor (standard for any tumor with invasion concern), the fascial defect is closed before subcutaneous work.

Pattern: simple interrupted or continuous absorbableMaterial: PDS 2-0 to 3-0

For deep muscular defects after FISS excision: the deep layers are closed in sequence (deep muscle to superficial muscle), using PDS 0 to 2-0. If the defect is too large for primary muscle closure, a mesh or mobilized flap may be used.

Subcutaneous closure and dead space

Feline subcutaneous tissue is thin and provides limited substance for suture purchase compared to dogs. Dead space management is therefore particularly challenging after wide-margin excision.

Options:

• Simple continuous absorbable (Monocryl or Vicryl 3-0 to 4-0) for the subcutaneous layer
• Walking sutures to anchor dermis to fascia when a large dead space pocket exists
• Drain placement (Penrose or closed suction) when suturing alone cannot eliminate the cavity

VCAhospitals (Penrose drain discharge instructions): "A Penrose drain is a latex tube placed into a wound with one or two ends exiting the skin, allowing fluids to drain. In most cases, the drain will exit from a new incision site, not the primary wound site."

For how dead space management relates to the broader closure strategy, see dead space management after cat tumor excision.

Skin closure

Intradermal Monocryl 4-0: the preferred method

Feline skin tolerates external sutures more poorly than canine skin. Suture-track irritation, self-trauma, and suture-mark scarring are more pronounced and more rapidly established in cats.

For routine feline tumor excision closure where tension is manageable, intradermal Monocryl 4-0 is preferred:

• No external material for the cat to lick or chew
• No removal visit required
• Finer, less visible healed scar

When primary closure is under tension

When the wound edges cannot be approximated without tension, the options match those in dogs:

Undermining: releasing skin from underlying subcutaneous tissue and fascia to mobilize it toward the defect. In cats, undermining must be carefully limited thin feline skin can be devascularized more easily than dog skin if undermining is too extensive.

Walking sutures: dermis-to-fascia advancement. Useful for moderate-sized trunk defects. Standard material: 3-0 PDS or Biosyn.

Tension-relieving sutures: horizontal mattress or vertical mattress, used with 3-0 nylon or Prolene.

Skin flap: when primary closure is not achievable. ACVS: "Closure of the defect from the excised mast cell with a small skin flap from adjacent skin near the base of the ear." Skin flaps are more commonly needed in cats than equivalent-weight dogs because feline skin has less laxity.

High-tension locations: face, ears, distal limbs

These locations have minimal adjacent skin available for advancement and carry the highest tension risk. Closure at these sites frequently requires staged reconstruction or accepting second intention healing over small residual defects.

Cosmetic closure after feline tumor excision

For tumor excision in cosmetically sensitive locations (face, visible lateral body), intradermal closure and fine suture sizes minimize visible scarring. For the cosmetic closure approach in cats, see cosmetic closure for feline tumor sites.

Histopathology and re-excision

The excised tissue is sent for histopathology, with results typically returned within 5 to 10 business days. Three possible results:

• Complete margins: no tumor cells at the inked edges. Local recurrence risk is low. No further surgery needed unless the tumor biology warrants adjuvant therapy.
• Close margins: tumor cells within 1 to 2 mm of the edge but not at the ink. Recurrence risk is elevated. Discussion of re-excision or radiation.
• Incomplete margins: tumor cells at the inked edge. Re-excision is recommended when possible.

The re-excision decision is made while the primary wound is in the active healing phase (typically at 7 to 14 days post-surgery). The entire scar track is included in the re-excision specimen meaning closure of the second wound is more complex than the first.

For how tumor excision closure compares in dogs, see tumor excision closure comparison in dogs.

Post-operative monitoring in cats

Cats hide signs of pain and discomfort more effectively than dogs. Behavioral changes (reduced appetite, hiding, abnormal posture) are often the first indicators of complications rather than obvious wound signs.

Specific monitoring for cats after tumor excision:

• Check the wound twice daily for redness, discharge, swelling, or separation
• Cats often groom the wound site even with an E-collar if the collar fits poorly verify fit at each check
• If a drain is present, monitor drainage output and color daily
• Watch for systemic signs (reduced appetite, lethargy, fever) that may precede local wound signs

For the closure checklist applicable to feline tumor excision, see closure checklist for feline tumor excision.

Frequently asked questions

What makes injection-site sarcomas so different to close?

FISS requires the widest margins in feline oncological surgery typically 3 to 5 cm laterally and removing one to two fascial planes deep, sometimes including muscle and portions of bone. The resulting defect is far larger relative to the cat's body than equivalent surgery in a dog. Closure almost always requires reconstruction, and staged surgery (debulking followed by definitive reconstruction) may be necessary.

My cat had a mass removed and the vet said they got "clean margins." Does that mean the cancer is gone?

Clean histopathological margins mean no tumor cells were identified at the edges of the tissue submitted for analysis. For many feline tumors, clean margins significantly reduce local recurrence risk. However, "clean margins" does not address the risk of metastatic spread, which depends on tumor type, grade, and whether staging (chest radiographs, lymph node assessment) was performed. Discuss the complete picture with your vet.

How long will my cat's E-collar need to stay on after tumor surgery?

Minimum until suture removal (10 to 14 days for external sutures). With intradermal closure, the E-collar remains recommended for 10 to 14 days post-surgery not for suture removal purposes, but because the incision site can still be disrupted by licking before it has adequate surface healing. Your vet will advise the specific duration based on wound appearance at the recheck.

Feline tumor excision closure is constrained by the cat's limited skin laxity, the finer tissue that tolerates suture placement, and the requirement not to compromise the margins that determine whether the tumor is fully removed. Meeting all three constraints simultaneously adequate margins, tension-free closure, appropriate suture technique is the challenge that distinguishes feline tumor surgery from routine wound closure.

Resources

• ACVS. Mast Cell Tumors. acvs.org
• VIN (WSAVA 2016). Soft Tissue Sarcoma in Dogs and Cats. vin.com
• VCA Animal Hospitals. Penrose Drain Discharge Instructions for Dogs. vcahospitals.com
• Today's Veterinary Practice. Fundamentals of Surgical Oncology in Small Animals. todaysveterinarypractice.com

Feline laparotomy closure follows the same layered sequence as dogs linea alba, subcutaneous tissue, skin but with meaningful differences in material selection, suture sizing, and the specific risks that matter most in cats.

The feline linea alba is narrower than in dogs. The skin is thinner. And the risk of suture sinus formation from non-absorbable fascial sutures is higher in cats than the equivalent canine procedure.

Quick answer: Feline laparotomy closure proceeds in three layers: (1) linea alba PDS or Vicryl in simple continuous pattern, 2-0 or 3-0 depending on cat size; (2) subcutaneous tissue Monocryl or Vicryl 3-0 to 4-0 in simple continuous; (3) skin intradermal Monocryl 4-0 (preferred) or interrupted nylon. Non-absorbable monofilament sutures for fascial closure are discouraged in cats published evidence links them to increased suture sinus formation and infection.

Key takeaways

• PDS or absorbable monofilament is preferred for feline linea alba non-absorbable sutures carry increased sinus formation risk.
• Simple continuous is as reliable as interrupted for feline linea alba with correct knot security.
• Intradermal Monocryl 4-0 is the preferred skin closure in cats because feline skin tolerates external sutures poorly.
• Suture bite size matters: 3 to 5 mm from the edge, 3 to 5 mm between bites.
• The postumbilical region achieves lower loads to failure an anatomical consideration for feline linea alba repair.
• Tissue glue can supplement intradermal skin closure for small, clean cat incisions.

Why feline laparotomy closure differs from dogs

Narrower linea alba: the feline linea alba is anatomically smaller than in a similar-weight dog. Bites must be precise too far from the incision edge risks missing the linea entirely; too close risks inadequate tissue purchase.

Published evidence against non-absorbable fascial sutures in cats: Feline Gastrointestinal Surgery (Williams, 2014): "Non-absorbable monofilament suture material (nylon or polypropylene) has been used for fascial closure in cats, but it reportedly leads to an increased risk of suture sinus formation and infection, and thus its use cannot be recommended."

Thinner, more reactive skin: feline skin tolerates external suture material less well than canine skin. Suture marks, irritation, and self-trauma are more common and more pronounced in cats.

Postumbilical anatomy: published cadaveric biomechanical data (PMC5813137) found: "The postumbilical region achieved lower loads to failure" in feline linea alba testing. This suggests the caudal linea requires at least equivalent, if not greater, care than the cranial region.

For how laparotomy closure in dogs compares on the same layered structure, see laparotomy closure in dogs.

Layer 1: Linea alba

Pattern

Simple continuous or simple interrupted. Published evidence (Veterinary Evidence, systematic review): "Incidence of complications using either a simple continuous or simple interrupted suture pattern in the linea alba is low if appropriate suture material is chosen and appropriate surgical technique is used."

Simple continuous is faster and distributes tension evenly. The security of a continuous closure depends entirely on the end knots both must be tied with the correct number of throws.

Feline Gastrointestinal Surgery: "Polydioxanone requires five throws for the start knot and seven for the end knot."

Material and size

Preferred: PDS (polydioxanone) 2-0 to 3-0

Alternative: Vicryl (polyglactin 910) 2-0 to 3-0. Vicryl provides adequate holding strength and is acceptable for feline fascial closure in most clean procedures.

V-Loc 180 (barbed, extended absorption): Feline Gastrointestinal Surgery notes this can also be considered for feline fascial closure. The knotless design eliminates the knot-security concern of continuous patterns.

Not recommended: nylon or polypropylene for buried fascial closure in cats (suture sinus formation risk).

Bite dimensions

Veterinary Evidence (systematic review, 550 dogs and cats): "Suture bites were placed 3 to 5 mm from the incised edges."

This is narrower than human abdominal closure guidelines reflecting the smaller fascial width available in cats.

Layer 2: Subcutaneous tissue

Pattern: simple continuous absorbable

Material: Monocryl 3-0 to 4-0 (preferred for low tissue reaction) or Vicryl 3-0 to 4-0 (acceptable in clean cases)

Purpose: eliminate dead space below the skin, reduce skin closure tension, reduce seroma risk

Cats have relatively little subcutaneous fat compared to most dogs, which means the subcutaneous layer is thin and the closure bites are shallow. The surgeon takes care not to incorporate dermis in this layer, which would distort skin apposition at the next layer.

For muscle layer context within the feline laparotomy closure, see muscle layer in feline laparotomy.

Layer 3: Skin

Preferred method: intradermal Monocryl 4-0

Intradermal closure eliminates all external suture material no external knots, no suture tracks, no removal visit. In cats, this is the preferred method for routine laparotomy closure because:

• Cats lick and chew external sutures aggressively
• Feline skin reacts more visibly to suture-track scarring
• The E-collar compliance challenge is greater in cats

Tissue adhesive supplementation: for small, clean feline laparotomy incisions, cyanoacrylate tissue adhesive can be applied over the intradermal closure to seal the wound ends. This supplements, does not replace, the intradermal layer.

Alternative: interrupted nylon or Prolene 4-0

Used when:

• The wound has any tension that exceeds what intradermal closure can hold
• The surgeon prefers external sutures for post-operative monitoring
• The skin is irregular or intradermal closure is technically difficult

External sutures require a removal visit at 10 to 14 days. In cats, this visit may require sedation or very calm restraint.

For suture removal timing in cats, see suture removal timing for feline laparotomy closure.

Post-operative care: feline-specific considerations

E-collar: mandatory regardless of skin closure method. Cats can reach abdominal incisions with their hind legs even with an intradermal closure. A self-inflicted wound through licking disrupts the intradermal layer before it has healed.

Activity restriction: cats jump. A cat returning to jumping after laparotomy closure subjects the linea alba to significant dynamic loading before it has healed. Strict activity restriction (keep in small room or large crate) for 10 to 14 days minimum.

Monitoring: check twice daily for redness, discharge, swelling, or any separation at the wound line. A small amount of dried serous crust at the intradermal wound ends is normal; purulent or growing discharge is not.

For the closure protocol checklist applicable to feline laparotomy, see closure checklist for feline laparotomy.

Frequently asked questions

The vet used Vicryl for my cat's abdominal layer. Is that appropriate?

Yes. Vicryl (polyglactin 910) is an absorbable material that provides adequate holding strength for feline fascial closure in clean, elective procedures. It is a braided suture, which means slightly higher infection risk than monofilament in contaminated cases, but for routine laparotomy in a healthy cat, it is within the standard of care.

Why is my cat's incision just a thin line with no visible stitches?

Your vet used intradermal closure the suture runs inside the dermis and is not visible externally. There is nothing to remove. The incision line should narrow and flatten over the first 10 to 14 days as the dermis heals.

My cat keeps trying to lick the incision despite the E-collar. What should I do?

Try an inflatable collar (donut collar) if a standard E-collar is causing distress some cats tolerate these better. Surgical recovery suits (body wraps) are another option, though they are harder to keep clean. The goal is preventing licking, not choosing a specific collar type. Contact your vet if the cat is distressed enough to injure itself trying to remove the collar.

Feline laparotomy closure is not simply a smaller version of canine closure. The published evidence against non-absorbable fascial sutures in cats, the anatomical differences in linea alba width and regional strength, and the behavioral challenges of managing a cat during recovery all require protocol adjustments specific to the species.

Resources

• Feline Gastrointestinal Surgery (Williams, 2014). Journal of Feline Medicine and Surgery. journals.sagepub.com
• PMC5813137. Biomechanical Properties of Feline Ventral Abdominal Wall and Celiotomy Closure Techniques. ncbi.nlm.nih.gov
• Veterinary Evidence (2017). Choice of Suture Pattern for Linea Alba Closure Knowledge Summary. veterinaryevidence.org
• VCA Animal Hospitals. Care of Surgical Incisions in Cats. vcahospitals.com

Tissue adhesives surgical glues are a legitimate wound closure tool in veterinary surgery, but not a universal replacement for sutures.

Knowing when they are appropriate, when they are not, and what the evidence shows helps both clinicians and owners make informed decisions.

Quick answer: Cyanoacrylate adhesives suit short, low-tension skin closures, especially port-site incisions and minor lacerations with subcutaneous sutures already placed. Tissue adhesive alone is insufficient for high-tension or contaminated wounds.

Key takeaways

• Cyanoacrylate is the most common tissue adhesive, polymerizing on contact with tissue to form a flexible, bacteriostatic film
• Tissue adhesive alone is insufficient for longer or high-tension incisions: subcutaneous sutures must first take the mechanical load
• PMC study: intradermal suture had better cosmetic, clinical, and ultrasonographic outcomes than tissue glue in dogs
• No dehiscence occurred with tissue glue in the PMC study when subcutaneous sutures were placed first
• Longer-chain cyanoacrylates (butyl, octyl) cause less tissue inflammation than shorter chains and are preferred for veterinary use
• Application is significantly faster: 2 minutes 16 seconds vs 15 minutes 37 seconds for intradermal suture in one PMC study

What tissue adhesives are

SustainableVet: "Tissue adhesives are special glues used to close wounds or surgical incisions in animals. They form a strong bond that holds the skin edges together while the tissue heals underneath.

These adhesives are made from biocompatible materials safe for pets."

SustainableVet: "Cyanoacrylate adhesives are widely used due to their fast bonding and strong hold suitable for skin closure in pets."

How cyanoacrylate works: when the adhesive contacts tissue moisture, it undergoes rapid polymerization a chemical reaction that turns the liquid monomer into a solid polymer film in seconds. This film bonds the wound edges mechanically and creates a flexible seal.

Formulations: cyanoacrylates differ by the length of the carbon chain attached to the ester group.

NCBi (cyanoacrylate study): "Longer carbon chain cyanoacrylates (butyl and octyl) promote a less intense inflammatory reaction, with greater collagen deposition and greater tensile strength, requiring less time for healing."

Short-chain cyanoacrylates (methyl, ethyl) cause more tissue inflammation. They are used in hardware and household applications but not appropriate for veterinary surgery.

Medical-grade butyl and octyl cyanoacrylate formulations (e.g., Vetbond, Dermabond equivalents) are the appropriate products for clinical use.

Evidence from comparative studies

PMC study: tissue glue vs. intradermal suture vs. staples in dogs

PMC (wound healing study in dogs): "Glue had a less favorable outcome; intradermal suture was the best, though not significantly better than staples, which were applied easier and in significantly less time."

The study also reported: "No dehiscence occurred to the incisions closed with tissue glue.

PMC notes that subcutaneous sutures placed first may have prevented dehiscence: some studies report increased dehiscence when tissue glue is used alone without subcutaneous support."

The timing: stapling took a median of 21 seconds, tissue glue took 2 minutes 16 seconds, and intradermal suture took 15 minutes 37 seconds.

Feline ovariohysterectomy: tissue glue vs. sutures

PMC (feline closure study): "No statistically significant difference in wound dehiscence" between tissue glue and simple interrupted sutures in cats held in a semi-free environment compared to confined animals.

This suggests that tissue glue, when applied appropriately to properly supported incisions, can achieve comparable dehiscence rates to external sutures though the cosmetic and healing outcomes still favor intradermal suture.

Human meta-analysis (low-tension face/neck wounds)

NCBi (meta-analysis): "CTAs offered better cosmetic outcomes by Wound Registry Scale at less than 1 month. The cosmetic outcomes were comparable between 1 and 3 months.

Sutures exhibited superior cosmetic outcomes compared to CTAs at 3 to 12 months."

The early cosmetic advantage of tissue glue in low-tension wounds reverses over time. For wounds where long-term cosmesis matters, sutures remain the stronger option.

Laparoscopic port-site incisions in dogs

Wiley (canine laparoscopic ovariectomy study): evaluated n-butyl-cyanoacrylate for port-site incision closure. These are very short, low-tension incisions an ideal application for tissue glue.

High owner satisfaction and good cosmetic outcomes were reported for this specific indication.

When tissue adhesive is appropriate

Tissue adhesive performs best and is safest in the following scenarios:

Short, low-tension skin closures where the wound edges naturally appose without tension. Port-site incisions from laparoscopy are the clearest indication.

Elective closures with subcutaneous support: PMC data confirm that tissue glue over subcutaneous sutures (which take the mechanical load) produces reliable wound closure.

Minor lacerations: clean, fresh, low-tension skin lacerations where suture placement would cause additional tissue trauma.

Reduced-stress procedures: in cats or fractious animals where suture removal would require sedation, absorbable sutures or tissue glue that do not require removal are preferred.

When tissue adhesive is not appropriate

High-tension wounds: any closure that relies on the adhesive to resist significant mechanical pull the glue will fail. Subcutaneous sutures must take the load.

Contaminated or infected wounds: tissue adhesive seals the wound surface and traps contamination beneath the film. It should never be used on wounds with debris, bacteria, or exudate.

Deep wounds with significant dead space: dead space beneath tissue adhesive creates a seroma risk and an environment for bacterial proliferation.

Joints or high-motion locations: repeated motion breaks the adhesive bond. Incisions over joints or in high-flexion/extension areas require suture support.

Long incisions: the mechanical strength of tissue adhesive is limited. Longer incisions need suture support regardless of tension level.

SustainableVet: "Tissue adhesives are suitable for superficial skin closures but cannot replace sutures for deep or high-tension wounds requiring stronger support."

Application technique

Wound preparation: the wound edges must be clean, dry, and free of blood and fluids. Tissue adhesive does not bond well to wet surfaces or across contamination.

Edge approximation: manually appose the wound edges before applying the adhesive. The adhesive holds the edges in place; it does not pull them together.

Application: apply a thin, even layer along the wound edge. Do not apply deep into the wound itself only to the skin surface.

Wait for polymerization: typically 30 to 60 seconds. Do not allow the patient to disturb the site during this period.

Do not bandage tightly over adhesive: tight bandaging can lift the adhesive film before it has fully cured.

What owners should know

No suture removal: tissue adhesive dissolves as the wound heals, typically within 5 to 10 days. No removal appointment is needed.

Keep dry: moisture degrades cyanoacrylate bonds. Keep the wound dry for at least 5 days after application.

E-collar: even without external sutures, licking can degrade and lift the adhesive film. An E-collar may still be required depending on wound location.

The adhesive may crack or peel as it dissolves: this is normal. The wound beneath should be healing; the adhesive is no longer holding edges if the incision has adequately healed.

For suture patterns as an alternative, see interrupted vs. continuous suturing in dogs. For feline-specific suture considerations, see interrupted vs. continuous suturing in cats.

For site preparation that precedes closure, see surgical site preparation in dogs.

Frequently asked questions

Can tissue glue be used to close my dog's spay incision?

Not as the primary skin closure. Spay incisions require subcutaneous sutures first to close dead space and reduce tension. Tissue glue may then be applied over the skin surface; ask your vet.

Is tissue glue safe if my cat licks it?

Cyanoacrylate tissue adhesives are generally considered low-toxicity if small amounts are ingested. However, licking degrades the adhesive bond and risks premature wound opening. An E-collar is still recommended to protect the closure.

How long does tissue adhesive take to dissolve?

Medical-grade cyanoacrylate typically dissolves over 5 to 10 days as wound healing progresses. The adhesive does not need to be removed.

What if the wound opens after tissue adhesive is applied?

Contact the vet same day. A wound that reopens after glue closure may need suture reclosure. Do not reapply tissue adhesive over a wound that has separated proper wound assessment first.

Can tissue adhesive cause an allergic reaction in my pet?

Medical-grade butyl and octyl cyanoacrylate are biocompatible. NCBi: longer-chain formulations cause "a less intense inflammatory reaction." True allergic reactions are uncommon. Unusual swelling or discharge should be assessed.

Does tissue adhesive have any antibacterial properties?

Yes, minor. Cyanoacrylate polymerization has some bacteriostatic effect. This is minimal and should not be relied on for contaminated wounds; tissue adhesive is not a substitute for debridement or antiseptic lavage.

Resources

• PMC. Evaluation of Incisional Wound Healing in Dogs after Closure with Staples or Tissue Glue and Comparison to Intradermal Suture Pattern. ncbi.nlm.nih.gov
• NCBi. Cyanoacrylate Adhesives for Cutaneous Wound Closure. ncbi.nlm.nih.gov
• NCBi. Cyanoacrylate Tissue Adhesives Compared With Sutures on Facial and Neck Wounds: A Meta-analysis. ncbi.nlm.nih.gov
• Wiley. Efficacy of n-butyl-cyanoacrylate Tissue Adhesive for Closure of Canine Laparoscopic Ovariectomy Port Site Incisions. onlinelibrary.wiley.com

What happens at home in the two weeks after surgery determines as much about healing outcomes as what happened in the operating room. The wound that closes perfectly can still fail through licking, jumping, or unrecognized infection.

Owners who know what to check, how often, and what each finding means are far more likely to catch complications early when they are still manageable.

Quick answer: Check the surgical wound twice daily for the first 10 to 14 days. Normal findings: mild swelling and redness for 2 to 3 days, a thin dry crust at the wound margins, gradual improvement day by day. Abnormal findings requiring same-day contact: yellow or green discharge, foul odor, worsening redness beyond the wound margin, increasing swelling after day 3 to 4, wound opening (dehiscence), or any tissue protruding from the wound. Licking is the most preventable cause of post-operative closure failure.

Key takeaways

• Twice-daily wound checks for the full 10 to 14 days are the monitoring standard.
• Normal post-operative swelling and redness peaks at days 2 to 3, then progressively decreases.
• Seroma (soft fluctuant swelling) differs from infection and is usually harmless.
• Dehiscence (wound opening) is a same-day emergency cover with a clean cloth and call immediately.
• Licking is the most common owner-controllable cause of suture failure E-collar compliance is not optional.
• Pale gums, open wound with tissue protruding, or collapse require immediate emergency care.

What to check at each monitoring session

Twice-daily monitoring takes less than two minutes. The same checks, performed consistently, provide the trend data needed to distinguish normal healing from early complication.

Five things to assess at each check:

1. Wound edges: closed and apposed at all points? No visible gaps between suture sites?
2. Swelling: decreasing compared to the last check? Or increasing?
3. Color: pink and normalizing? Or reddening, darkening, or developing pale areas?
4. Discharge: none, or only a small amount of dried serous crust at the wound margins?
5. Odor: none, or any smell from the wound area?

Metropolitan Veterinary Associates: "The incision should be monitored for redness, swelling, oozing, heat or pain to the touch. Any of these signs may indicate an incisional infection."

Normal findings by timeline

Days 1 to 2

• Mild swelling around the incision: normal the body's inflammatory response is at its peak
• Mild redness at the wound margins: normal
• Small amount of dried bloody crust at suture sites: normal
• Pet may be quiet, less active than usual: normal effect of anesthesia and post-operative pain management

MedVet: "It is normal to see mild lethargy, reduced appetite, or slight discomfort during the first 24 to 72 hours."

Days 3 to 5

• Swelling should begin to decrease from its peak
• Redness should be stabilizing or reducing not spreading
• A small firm ridge along the wound line is normal: this is early collagen deposition
• Pet appetite should be returning toward normal

Days 5 to 10

• Progressive improvement day by day
• The wound surface should look drier, flatter, and less reactive
• Sutures remain intact and wound edges remain fully apposed

Days 10 to 14

• Wound should be fully closed, dry, and healed at the surface
• Suture removal recheck visit (for external sutures)
• Vet assesses wound before removing sutures removal may be deferred if healing is incomplete

For how suture removal timing is assessed at the recheck in dogs, see suture removal timing at the day 10-14 recheck. For cats, see suture removal timing at the feline recheck.

Distinguishing seroma from infection

Both seroma and infection produce swelling near the surgical site. They require different responses.

Liberty Animal Hospital: "Seroma: fluid accumulation at the incision site due to tissue irritation this is normal. Continue with cold compress only until the swelling has gone down. The body will absorb it over time."

If you cannot confidently distinguish a seroma from an early infection, contact your vet. Assessment may require palpation or aspiration to determine fluid character.

For how seromas are prevented at the closure stage, see seroma prevention during closure.

Dehiscence: when the wound opens

Wound dehiscence is the partial or complete opening of a sutured wound. It is a same-day emergency not a wait-and-see situation.

PetPlace: "When sutures break down, the underlying tissues have the potential to protrude through the incision and be exposed to the exterior. This can lead to serious infections, which may be fatal."

What to do if the wound opens:

1. Apply a clean towel or cloth gently over the wound
2. Do not attempt to replace protruding tissue
3. Do not apply ointments, disinfectants, or saline without vet guidance
4. Transport to the vet or emergency clinic immediately

Common causes of dehiscence:

• Licking or chewing the sutures
• Jumping, running, or abrupt activity
• Sutures removed too early
• Infection undermining the closure from within
• Underlying tension that was not adequately managed at surgery

For how common closure errors produce dehiscence, see closure errors that lead to dehiscence.

Infection: what to look for

Early surgical site infection typically presents between days 3 and 7. The signs progress from mild to severe as the infection establishes.

Early signs (days 3 to 5):

• Redness extending beyond the immediate wound margin
• Increased warmth at the wound site
• Mild increase in discharge (serous becoming slightly cloudy)

Established infection (days 5 to 10):

• Purulent discharge (yellow, green, or brown)
• Foul odor
• Wound swelling increasing rather than decreasing
• Pet showing systemic signs: lethargy, reduced appetite, fever

Contact your vet the same day if you notice any of the early signs. Do not wait for the established infection stage early treatment is significantly simpler than treating an established surgical site infection.

Activity restriction: enforcing it at home

Metropolitan Veterinary: "Dogs and cats should be kept from jumping up/down on/from high surfaces, running up steps or any other activity that puts tension on the incision. Excess tension can lead to dehiscence."

Practical activity restriction strategies:

• Dogs: leash-only outdoor activity for 10 to 14 days; confine to one room or use a pen when unsupervised
• Cats: confine to a room without high furniture; prevent stair access
• Both: separate from other pets who may play with or groom the wound

The challenge is that pets often feel better before the wound has adequate tensile strength. A dog that seems completely normal at day 5 does not have a day-5 wound the tissue is still in the active repair phase and cannot tolerate the same forces the dog is willing to exert.

E-collar compliance: non-negotiable

Licking introduces oral bacteria directly to the wound surface, mechanically disrupts suture lines, and can remove external sutures within minutes of unsupervised access.

MedVet: "To prevent licking, which can delay healing, cause infection, or lead to the incision opening, use an Elizabethan collar (cone), a cervical collar, or cover the incision with a T-shirt or bandage."

The E-collar must be worn:

• At all times, including during sleep
• When the owner is in the room but not actively watching the pet
• When the pet is in its crate or confined space

Alternatives to the standard E-collar if compliance is difficult: inflatable donut collar (cats often tolerate better), surgical recovery suit, or soft fabric cone.

Emergency signs: call immediately

Some findings do not wait for a scheduled call to the vet. Seek care immediately for:

• Pale or white gums: indicates blood loss or cardiovascular compromise
• Blue-tinged gums or rapid breathing: respiratory distress
• Wound fully open with tissue protruding: cover and transport immediately
• Collapse or inability to stand
• Bright red active bleeding that does not stop within 5 minutes of gentle pressure

MedVet: "Pale gums, which can indicate potential blood loss or poor circulation seek veterinary care immediately, regardless of the time of day."

For the full closure checklist that precedes this monitoring period, see closure checklist prior to discharge. For how drain monitoring integrates with wound monitoring, see monitoring wounds with drains in place.

Frequently asked questions

My dog's wound looks fine but she keeps trying to lick it. Should I be worried?

The licking attempt is the warning sign the wound does not need to look damaged yet for the E-collar to be essential. Licking can remove sutures or disrupt healing within minutes. The fact that she is attempting to lick means the E-collar must be worn consistently, not just when she actively succeeds. Wounds that look fine often look that way because the E-collar has been working.

There is a small bump near the wound that appeared on day 4. How do I know if it is a seroma or infection?

Gently palpate (press softly) the bump. A seroma feels soft and fluid-filled, like a water balloon under the skin. An early infection usually feels firmer, is warmer to the touch, and the pet shows some discomfort when you touch it. If the bump is soft and the pet is otherwise well and eating, a seroma is more likely. Either way, contact your vet at the next business opportunity and immediately if the bump is warm, the pet seems unwell, or discharge is present.

My cat won't eat after surgery. Is that a complication?

Reduced appetite for 24 to 72 hours is common and expected. Cats that refuse to eat for more than 72 hours after surgery require prompt veterinary assessment. Metropolitan Veterinary: "Cats, in particular, cannot tolerate anorexia for long periods. They are predisposed to developing severe liver disease (hepatic lipidosis/fatty liver) within days of complete anorexia."

Post-operative monitoring is owner-controlled quality control for the surgeon's work. The wound that closes well can still fail but usually only if something external disrupts it. Every day of consistent monitoring, E-collar compliance, and activity restriction protects the closure that was placed and gives it the environment it needs to heal.

Resources

• Metropolitan Veterinary Associates. Abdominal Surgery: Post-Operative and Incisional Care. metro-vet.com
• MedVet. Caring for Your Cat or Dog After Surgery. medvet.com
• PetPlace. Postoperative Complications in Dogs. petplace.com
• Liberty Animal Hospital. Post-Surgery Guidelines. libertyanimalhospital.com

When your vet describes "how the incision was closed," they are referring to the suture pattern the specific technique used to bring wound edges together and hold them while tissue heals. Different patterns have different mechanical properties, different risks, and different appropriate indications.

This guide explains the main suture patterns used in dogs, when each is appropriate, how suture material is chosen, and what owners should know about the closure they see (or don't see) on their dog.

Quick answer: Interrupted sutures are individual stitches; if one fails, others hold. Continuous sutures run in a loop; faster but one break risks the whole line. Intradermal sutures sit beneath the skin with no external stitches required.

Key takeaways

• Simple interrupted sutures are the most common skin closure pattern; each stitch is independent
• Continuous (running) sutures close faster and distribute tension more evenly but one break risks the entire line
• Intradermal sutures are placed beneath the skin surface, providing cosmetic closure with no external sutures requiring removal
• Suture material matters: monofilament sutures carry less infection risk than braided multifilament; absorbable sutures dissolve over time; non-absorbable require removal
• Mattress sutures are used for high-tension closures where interrupted sutures would cut through tissue
• The closure pattern does not change owner responsibilities: E-collar, activity restriction, and monitoring apply regardless

Why suture pattern selection matters

SustainableVet (wound closure principles): "The role of sutures in primary wound closure is to approximate tissue edges in order to achieve a functional and cosmetically acceptable scar."

The right pattern for a given location depends on:

• Tension at the wound edges: high-tension closures need patterns that distribute force across a wider area
• Tissue type: skin, subcutaneous tissue, fascia, and internal organs each have different mechanical properties
• Location on the body: areas with movement (over joints, near the perineum) have different requirements than stable trunk locations
• Cosmetic priority: visible areas may favor intradermal patterns; perineal or axillary locations prioritize security over cosmesis
• Time constraints: running patterns are faster; interrupted patterns require more time

Interrupted suture patterns

Simple interrupted

The most commonly used technique for skin closure. Each suture is a separate unit placed, tied, and cut before the next suture is placed.

SustainableVet (interrupted vs continuous article): "Simple interrupted sutures: provide strong closure and allow precise wound edge alignment."

ScienceDirect (comparative study): "The most commonly used technique for skin closure is the simple interrupted suture pattern (SI)."

Advantages:

• If one suture fails, adjacent sutures hold the wound closed
• Individual tension adjustment at each stitch
• Easy to remove individual sutures if an infection develops at one point
• Precise edge-to-edge alignment

Disadvantages:

• More time-consuming than continuous patterns
• More suture knots, each of which is a potential tissue reaction site

Horizontal mattress sutures

The suture passes through tissue on one side, crosses horizontally, passes through the other side, returns, and is tied creating a rectangular pattern that bridges the wound.

SustainableVet: "Cruciate sutures: crossed pattern sutures that distribute tension evenly and reduce skin edge inversion, improving healing."

When used: high-tension closures where standard interrupted sutures would cause tissue necrosis from excessive focal pressure; also used when wound edges tend to invert (fold inward).

Disadvantages: can compromise blood supply to the wound edge if tied too tightly; should not be the primary pattern for routine low-tension skin closure.

Vertical mattress sutures

Similar to horizontal mattress but the loop goes through tissue at two depths one deep bite and one superficial bite on each side. Particularly good at everting (turning outward) wound edges, which promotes primary healing.

Continuous suture patterns

Simple continuous (running)

A single suture is placed from one end of the wound to the other in a running pattern, tied at each end.

SustainableVet: "Continuous sutures: faster to place and distribute tension evenly but risk wound opening if one suture breaks."

SustainableVet (wound closure principles): "Continuous sutures role: Running stitches provide quick closure and distribute tension evenly, reducing tissue trauma."

Advantages:

• Significantly faster than placing individual interrupted sutures
• More even tension distribution along the wound length
• Fewer knots overall

Disadvantages: A failure at any point in the line (suture breakage, knot failure) can lead to the entire closure unzipping. For this reason, simple continuous patterns are less common for primary skin closure where security is paramount.

Ford interlocking (locking continuous)

A variation of the continuous pattern where each bite is locked before proceeding. This prevents the entire line from running if one segment fails each segment is anchored.

When used: closure of fascia and body wall where a running pattern's speed advantage is important but security is still needed.

Intradermal (subcuticular) suture

The most cosmetically appealing closure technique. The suture is placed within the dermis (the layer just beneath the outer epidermis), running horizontally from one end of the wound to the other without penetrating the skin surface.

SustainableVet (intradermal closure article): "Hidden sutures: sutures are placed beneath the skin surface, preventing your dog from licking or scratching them, which promotes safer healing. Cosmetic benefit: intradermal closure results in less visible scarring compared to traditional external stitches. Reduced suture removal: because sutures are buried, they often do not require removal."

ScienceDirect (comparative study): "The continuous intradermal suture pattern (ID) has been lately popularized as a superior method of cosmetic skin closure. It is generally assumed that the intradermal suture pattern has superior cosmetic results, mainly because the epidermis is not penetrated and therefore inflammation is minimal, and a fine approximation of wound edges can be achieved, resulting in minimal scarring."

Suture material used: absorbable monofilament (poliglecaprone 25 or polidioxanone) in a fine gauge (3/0 or 4/0). ScienceDirect: "Intradermal pattern with 4/0 poliglecaprone 25 was superior in terms of cosmetic, clinical, and histologic appearance compared to simple interrupted pattern."

Disadvantages: requires more surgical skill to execute correctly; not appropriate for contaminated wounds or locations where wound tension is high.

Suture material: what it means for healing

Absorbable vs. non-absorbable

Absorbable sutures dissolve over time through hydrolysis (synthetic) or enzymatic digestion (natural materials). They are used for internal layers (subcutaneous tissue, fascia, body wall, internal organs) and for intradermal skin closure. No removal required.

SustainableVet (subcutaneous closure article): "Absorbable sutures like polyglycolic acid are preferred for internal layers to avoid the need for suture removal and reduce irritation risk."

Non-absorbable sutures remain in place indefinitely unless removed. Used for skin closure when suture removal at 10 to 14 days is planned. Examples: nylon (monofilament), polypropylene, polyester.

Monofilament vs. multifilament

Monofilament sutures are single-strand; they move through tissue smoothly and have minimal surface area for bacteria to adhere to.

SustainableVet (wound closure principles): "Monofilament sutures reduce infection risk due to less bacterial trapping compared to braided multifilament sutures."

Multifilament (braided) sutures are stronger and easier to handle but have a greater surface area where bacteria can colonize and form biofilm. For this reason, braided sutures are generally avoided for skin closure of contaminated or infection-prone wounds.

Tissue layers and closure sequence

Most surgical wounds are closed in layers, not just at the skin surface. A typical soft tissue closure:

1. Deep layer (fascia or body wall): absorbable suture in a continuous or simple interrupted pattern
2. Subcutaneous layer: absorbable suture, often continuous; this eliminates dead space where fluid collects and bacteria proliferate
3. Skin: interrupted or intradermal with absorbable (for intradermal) or non-absorbable (for interrupted with planned removal)

SustainableVet (subcutaneous closure): "The subcutaneous tissue is closed first to reduce dead space, followed by skin closure to protect the wound from contamination."

Closing dead space is critical. Dead space is the empty volume left when tissue layers are not approximated it fills with serum, creating a perfect environment for bacterial growth and seroma formation.

What this means for owners

The suture pattern does not change the owner's responsibilities:

• E-collar compliance is required regardless of whether external stitches are visible
• Activity restriction applies regardless of pattern
• Wound monitoring (twice daily, with photographs) is required regardless of pattern

If your dog has an intradermal closure, there are no external sutures to count or check but you still look at the incision line itself for signs of infection or dehiscence.

For the wound care protocol, see wound care after surgery. For signs of complications including wound breakdown, see signs of complications after soft tissue surgery. For the SSI prevention context, see how to prevent surgical site infections in dogs.

Frequently asked questions

My dog has no visible stitches. Is the wound still closed?

Yes. Intradermal or subcuticular closure places sutures beneath the skin surface. The wound is closed; no external sutures are visible. The E-collar is still required, and the wound still needs daily monitoring.

Do intradermal sutures need to be removed?

Not typically. Absorbable intradermal sutures dissolve over 60 to 90 days without requiring a suture removal appointment. If non-absorbable material was used intradermally, your vet will advise on removal.

My dog's sutures look red around the knots. Is that infection?

Mild redness around suture entry points in the first 3 to 5 days is a normal tissue reaction. Yellow or green discharge, redness spreading beyond the knot area, or warmth after day 5 are signs of infection.

What happens if one suture falls out?

For simple interrupted patterns, losing one suture does not typically compromise the closure if wound edges remain apposed. Contact the vet to assess whether replacement is needed. For continuous patterns, any suture failure warrants same-day veterinary assessment.

Why are some incisions closed with staples instead of sutures?

Staples provide fast, secure closure used in orthopedic cases where speed and high tension matter. SustainableVet: "Staples: quick to apply but may cause more skin irritation and require removal after healing."

My dog had internal sutures placed. Can I feel them under the skin?

Absorbable internal sutures are sometimes palpable as small firm knots under the skin, particularly in lean dogs. This is normal and not a sign of complication; they dissolve over 60 to 90 days.

Resources

• SustainableVet. Interrupted vs. Continuous Suturing in Dogs. sustainablevet.org
• SustainableVet. Intradermal Closure in Dogs: Techniques and Benefits. sustainablevet.org
• ScienceDirect. Comparison of Continuous Intradermal with Simple Interrupted Suture Pattern in Dogs. sciencedirect.com
• SustainableVet. Subcutaneous Closure Techniques in Dogs. sustainablevet.org
• SustainableVet. Principles of Wound Closure in Veterinary Surgery. sustainablevet.org