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Minimally Invasive Orthopedic Surgery: What General Practitioners Should Know

Minimally Invasive Orthopedic Surgery: What General Practitioners Should Know

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Learn when to refer, how to guide clients, and what every GP should know about minimally invasive orthopedic surgery in veterinary practice

By 

Sustainable Vet Group

Updated on

August 13, 2026

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This article is for informational purposes only and is not a substitute for professional veterinary advice. Every case is unique, so always consult your veterinarian for guidance specific to your pet.

This content is intended for veterinary professionals for educational purposes. It does not replace clinical judgment or tailored advice. Always rely on your training, expertise, and the specific context of your patients.

Minimally Invasive Orthopedic Surgery: What General Practitioners Should Know

Minimally invasive surgery (MIS) has become a significant part of veterinary orthopedics over the past two decades. Where open surgery once required large incisions and extensive tissue dissection, MIS techniques use small portals and imaging guidance to achieve the same therapeutic goals with substantially less tissue trauma.

Understanding MIS helps general practitioners recognize which patients may benefit from it, counsel owners accurately about recovery expectations, and make timely referrals to surgeons who offer it.

 

Quick answer: Veterinary MIS uses arthroscopy or fluoroscopy through small incisions rather than open dissection. Arthroscopy recovery takes 2 to 4 weeks vs 6 to 12 weeks for open surgery. MIS requires specialist equipment not widely available.

 

Key takeaways

  • MIS uses small incisions and camera-based imaging instead of large open dissections, reducing tissue trauma
  • Arthroscopy is the most common veterinary MIS, used for joint diagnosis and treatment including OCD, meniscal tears, and CCL
  • Recovery from arthroscopy is typically 2 to 4 weeks versus 6 to 12 weeks for open joint surgery
  • MIS is not available at most general practices: it requires specialized equipment and significant training
  • Early referral for MIS-amenable conditions improves outcomes: arthroscopy for OCD or early joint disease before secondary arthritis develops
  • Open surgery remains better for conditions requiring soft tissue reconstruction, infected fields, or complex anatomical access

What is minimally invasive surgery?

SustainableVet: "Minimally Invasive Surgery (MIS) in orthopedics involves performing procedures through small incisions using specialized tools and imaging guidance. The goal is to treat bone, joint, or soft tissue conditions while reducing tissue disruption, pain, and recovery time. Unlike traditional open surgery, MIS avoids large cuts and deep dissection. Instead, surgeons use instruments like arthroscopes or fluoroscopy to see inside the body and make precise movements."

The key tools:

  • Arthroscope: a thin rigid telescope with a light source and camera, inserted into a joint through a small portal (typically 3 to 5 mm)
  • Fluoroscope: real-time X-ray imaging used to guide implant placement in fracture repair without large incisions
  • Laparoscope: used for abdominal MIS (laparoscopic spay, liver biopsy, adrenalectomy)
  • Thoracoscope: used for chest cavity access

Arthroscopy: the most common veterinary MIS

CARE Vets: "Joints commonly scoped in canines include the shoulder, elbow, hip, stifle, and tarsus."

Arthroscopy serves both diagnostic and therapeutic functions:

Diagnostic arthroscopy

Allows direct visualization of joint surfaces, synovium, cartilage, and intra-articular structures in real-time, magnified detail. SustainableVet (arthroscopy article): "Arthroscopy provides magnified, real-time views inside the joint."

This is particularly valuable for:

  • Confirming partial or complete CCL tears
  • Assessing meniscal injury concurrent with CCL rupture
  • Evaluating joint surface damage in elbow dysplasia
  • Staging OCD lesions before deciding on open vs. arthroscopic treatment

Therapeutic arthroscopy

SustainableVet (arthroscopy indications article): "It allows for precise treatment of joint conditions like OCD, ligament injuries, and cartilage damage with smaller incisions, less pain, and faster recovery compared to traditional surgery."

Common therapeutic arthroscopic procedures:

  • OCD (osteochondrosis dissecans) treatment: removal of the OCD flap and curettage of the subchondral bone bed
  • Meniscal tear management: partial meniscectomy under direct vision
  • Elbow fragmented coronoid process (FCP) removal
  • Ununited anconeal process (UAP) removal or fixation
  • Joint lavage and debridement: for early septic arthritis or inflammatory joint disease
  • CCL assessment: most surgeons perform arthroscopy concurrent with TPLO to assess meniscal integrity and perform meniscectomy if needed

MIS fracture repair

Beyond arthroscopy, MIS principles are applied to fracture repair using fluoroscopic guidance. This allows implant placement (IM nails, bone plates) through small stab incisions rather than large open approaches.

SustainableVet (MIS for GPs article): "MIS is used for procedures like fracture repair, arthroscopy, joint stabilization, and implant placement. This results in less trauma to muscles, less bleeding, and fewer complications."

Minimally invasive plate osteosynthesis (MIPO) uses fluoroscopy to slide a bone plate under the skin through small incisions at each end of the fracture, without exposing the fracture site itself. This preserves the fracture hematoma (which promotes healing), reduces blood loss, and decreases infection risk.

Laparoscopy in soft tissue and oncology cases

While not strictly orthopedic, laparoscopy is increasingly used for procedures previously done open:

  • Laparoscopic ovariectomy (spay): CARE Vets: "Laparoscopy is a minimally invasive technique performed in organs located in the abdomen and pelvis." Dogs undergoing laparoscopic spay return to activity significantly faster than with open spay.
  • Liver, spleen, and kidney biopsy: organ sampling without large incisions
  • Adrenalectomy: NCBi (MIS in oncology): "Laparoscopic adrenalectomy is a common procedure in both human and veterinary medicine for non-invasive adrenal tumors."
  • Laparoscopic splenectomy: NCBi: "Proposed benefits include decreased pain and decreased rate of infection" compared to open splenectomy.

Benefits vs. limitations of MIS

Benefits

Maine Veterinary Medical Center: "Reduced trauma and pain: MIS involves smaller incisions, resulting in less tissue damage and reduced postoperative pain. This decreased trauma leads to faster recovery times and shorter hospital stays."

SustainableVet (arthroscopy vs open): "Recovery after arthroscopy is usually quicker, with most dogs returning to light activity in 2 to 4 weeks. In contrast, open joint surgery often requires 6 to 12 weeks of restricted activity."

CARE Vets: "Not only do patients experience less postoperative pain and recover more quickly, but endoscopy typically results in shorter hospitalization times and decreased financial commitment by the owners."

Maine MVMC: "Enhanced visualization and precision: MIS techniques provide superior visualization of surgical sites using advanced imaging technologies."

SustainableVet (arthroscopy indications): "May reduce progression to osteoarthritis if done early: by removing damaged tissue and flushing the joint early, arthroscopy can slow down the development of arthritis, especially in young or active dogs."

Limitations

SustainableVet (MIS for GPs): "Open surgery may be better in some cases. If soft tissue needs reconstruction, infection is present, or access to a complex area is needed, traditional open techniques may provide safer or more complete treatment."

Other limitations:

  • Equipment cost: arthroscope systems represent a significant capital investment; not available at most general practices
  • Learning curve: CARE Vets: "For the surgeon to be efficient at these procedures, considerable technical training is necessary." MIS requires substantial case volume before proficiency is established
  • Patient size: arthroscopy in very small dogs (under 3 to 4 kg) is technically challenging due to joint size

When to refer for MIS evaluation

SustainableVet (MIS for GPs): "General practitioners (GPs) are often the first to assess dogs with orthopedic injuries. Recognizing when a patient may benefit from minimally invasive surgery helps ensure timely referral and better outcomes."

Refer early for MIS evaluation when:

  • A dog has clinical signs consistent with OCD (young large-breed dog with unilateral or bilateral forelimb lameness)
  • Elbow dysplasia is suspected and advanced imaging or surgical treatment is being considered
  • CCL assessment is needed before TPLO to evaluate meniscal status
  • Early septic arthritis where arthroscopic lavage may be preferred to open arthrotomy
  • Laparoscopic spay is a client preference or medically preferred

Early referral principle: SustainableVet: "By identifying suitable candidates early and sending complete diagnostic information, GPs help surgical teams plan effectively."

For the referral decision framework in orthopedic cases, see when to refer orthopedic cases. For the fracture management referral decision, see dog fracture management splint vs refer. For the home care guide after orthopedic MIS, see orthopedic surgery home care guide.

Frequently asked questions

How does arthroscopy compare to open surgery for my dog's elbow problem?

Arthroscopy for elbow dysplasia provides direct visualization and precise fragment removal with less trauma and faster recovery than open arthrotomy. SustainableVet: "Most dogs recover well and show noticeable improvement in comfort and mobility."

Is my dog too small for arthroscopy?

Arthroscopy becomes technically challenging under approximately 3 to 4 kg due to joint size. CARE Vets: "the carpus can be successfully scoped in large dogs but is more difficult." Ask the specialist whether your dog's joint is compatible.

Will my dog still need a TPLO if arthroscopy is used?

Usually yes. Arthroscopy assesses and treats the meniscus and joint, while TPLO stabilizes the stifle mechanically by changing the joint's biomechanics. Most surgeons perform arthroscopy concurrent with TPLO. The two procedures complement rather than replace each other.

How long does recovery take after arthroscopy compared to open joint surgery?

SustainableVet: "Recovery after arthroscopy is usually quicker, with most dogs returning to light activity in 2 to 4 weeks. Open joint surgery often requires 6 to 12 weeks." The shorter recovery benefits particularly working and active dogs.

Does laparoscopic spay cost more than open spay?

Yes, typically. Equipment and specialist training costs are reflected in the fee. Faster return to activity may offset the difference for some owners. Ask the clinic for a written estimate comparing both approaches.

Can MIS be used if my dog has a joint infection?

Generally no. SustainableVet: "Open surgery may be better if infection is present." Very early septic arthritis may be managed arthroscopically, but established infection typically requires open arthrotomy for thorough debridement.

Resources

  • SustainableVet. Minimally Invasive Orthopedic Surgery: What GPs Should Know. sustainablevet.org
  • SustainableVet. Arthroscopy vs. Open Surgery. sustainablevet.org
  • CARE Vets. Minimally Invasive Surgical Techniques. carecharlotte.com
  • Maine Veterinary Medical Center. Minimally Invasive Techniques Transforming Veterinary Surgical Care. mvmc.vet
  • NCBi. Use of Minimally Invasive Surgery in the Diagnosis and Treatment of Cancer in Dogs and Cats. ncbi.nlm.nih.gov

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