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Reducing Infection Risk in Dogs' Orthopedic Surgery

Reducing Infection Risk in Dogs' Orthopedic Surgery

Best Practices

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Vets

Explore key methods to reduce surgical site infections in canine orthopedic procedures, from sterile technique to antibiotic prophylaxis.

By 

Sustainable Vet Group

Updated on

April 21, 2026

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Reducing Infection Risk in Dogs' Orthopedic Surgery

Why Infection Risk Matters in Canine Orthopedic Surgery

Orthopedic surgery in dogs is different from many other procedures. It involves bones, joints, implants, and a longer surgery time.

Because of this, the risk of infection is higher. Even a small infection can affect how well your dog heals and how comfortable they feel after surgery.

Understanding this risk helps you take the right steps before surgery, not after problems start.

  • Orthopedic surgeries have a higher infection risk than soft tissue surgeries because they involve bone cutting, drilling, and metal implants. Plates, screws, or pins can give bacteria a surface to attach to, making infections harder to control once they start.
  • Infections can slow healing and damage surrounding bone and tissue. They may cause pain, swelling, discharge, and implant failure. In severe cases, your dog may need another surgery, long antibiotic courses, or implant removal, which can affect long-term mobility.
  • Infection prevention must begin before the first incision. Proper surgical planning, sterile technique, skin preparation, and bacterial control during surgery play a major role. Once bacteria enter the surgical site, treatment becomes more complex, and recovery becomes longer and more stressful for your dog.

Taking infection risk seriously before surgery helps protect your dog’s recovery and future movement.


How Infections Start During Orthopedic Surgery

Infections linked to orthopedic surgery usually begin during the operation itself. Even when a clinic follows good hygiene, bacteria can still enter the surgical site.

This is because orthopedic procedures expose bone, joints, and implants for a longer time. Knowing how these infections start helps you understand why prevention during surgery matters so much.

  • Skin bacteria entering the surgical site Bacteria naturally live on your dog’s skin, even after shaving and cleaning. When the skin is opened, these bacteria can move into deeper tissue layers and reach bone or joint areas.
  • Contamination during bone and implant exposure Orthopedic surgery involves direct exposure of bone and joint surfaces. Plates, screws, and surgical tools must stay sterile. Even a small break in sterile handling can allow bacteria to enter the wound.
  • Biofilm formation on implants Once bacteria reach metal implants, they can form a biofilm. This is a protective layer that helps bacteria stick to plates and screws and stay hidden from the immune system.
  • Difficulty treating implant related infections Bacteria inside biofilms are hard to kill. Antibiotics often cannot reach them effectively, which can lead to long treatments, repeat surgeries, or implant removal.

This is why strong infection control during surgery is critical for recovery.


Which Dogs Have a Higher Infection Risk Before Surgery

Not all dogs have the same risk of infection before orthopedic surgery. Some dogs are more likely to develop surgical site infections because of their size, health, or the type of procedure they need.

Knowing these risk factors helps you and your surgeon plan better and reduce avoidable complications.

  • Large and giant breed dogs Larger dogs place more stress on surgical sites and implants. Their surgeries often take longer and involve bigger incisions, which increases the chance for bacteria to enter and multiply.
  • Dogs needing implants or long procedures Surgeries that require plates, screws, or pins carry higher infection risk. Longer operating times mean more exposure of bone and implants to bacteria during the procedure.
  • Overweight dogs Extra body fat reduces blood flow to tissues. This slows healing and makes it harder for the immune system to fight bacteria at the surgical site.
  • Dogs with skin disease or active infections Skin infections, hot spots, or open wounds increase the number of bacteria on the skin. These bacteria can enter the surgical area once the incision is made.
  • Dogs with diabetes or weak immunity Dogs with diabetes, hormonal disorders, or immune problems heal more slowly. Their bodies struggle to control bacteria, raising infection risk before and after surgery.

Identifying these risks early supports safer surgical planning.


What Your Veterinary Team Does Before Surgery to Reduce Infection Risk

Before orthopedic surgery, your veterinary team takes several steps to lower the chance of infection. These steps start days or even weeks before the operation.

Proper planning helps create the safest possible environment for surgery and supports better healing after the procedure.

  • Pre surgical health checks and blood work Your vet checks blood values to assess immune function, organ health, and hidden infections. This helps confirm that your dog is stable enough for surgery and can heal properly.
  • Skin preparation and clipping protocols Hair is clipped carefully around the surgical site to reduce bacteria. The skin is cleaned using medical grade solutions to lower the number of germs before the incision is made.
  • Managing existing skin or ear infections If your dog has skin irritation, hot spots, or ear infections, these are treated before surgery. Reducing bacteria on the body lowers the risk of those bacteria reaching the surgical site.
  • Antibiotic planning and timing Your veterinary team decides if antibiotics are needed and when to give them. Correct timing helps control bacteria during surgery without overusing antibiotics.

These steps work together to protect your dog before the first incision is made.


What Happens in the Operating Room to Prevent Infection

Once your dog enters the operating room, infection prevention becomes very strict. Orthopedic surgery requires careful control of the environment, people, and every step of the procedure.

These measures help reduce the number of bacteria that can reach the surgical site during the operation.

  • Strict sterile environment and aseptic technique Vet Surgeons and nurses wear sterile gowns, gloves, and masks. All instruments and implants are sterilized. This creates a clean field that limits bacterial contamination.
  • Controlled operating room traffic and timing Movement in and out of the operating room is limited. Fewer people and shorter exposure time reduce airborne bacteria and lower infection risk.
  • Final surgical site preparation before incision Just before surgery begins, the skin is cleaned again using antiseptic solutions. This final step removes bacteria that may have returned after earlier preparation.
  • Careful handling of tissues, bone, and implants Surgeons handle bone and implants gently and precisely. Reduced tissue damage and minimal implant contact help lower inflammation and bacterial attachment.

These operating room practices play a key role in protecting your dog during surgery.


Why Traditional Infection Prevention Has Limits in Orthopedic Surgery

Even with careful planning and strict protocols, traditional infection prevention methods have limits in orthopedic surgery.

Antibiotics and antiseptics are important tools, but they cannot fully eliminate infection risk, especially when implants are involved.

Understanding these limits helps you see why surgeons focus so much on prevention during surgery itself.

  • Antibiotics cannot fully prevent biofilm formation Antibiotics work best on free floating bacteria. Once bacteria start forming a biofilm on implants, antibiotics struggle to reach and kill them effectively.
  • Bacteria can survive on implants despite antibiotics Metal plates and screws provide surfaces where bacteria can attach and hide. Even when antibiotics are used correctly, some bacteria can survive on these implant surfaces.
  • Overuse of antibiotics increases resistance risk Giving antibiotics too often or for too long can lead to resistant bacteria. This makes future infections harder to treat and limits available treatment options.
  • Limits of povidone iodine or saline irrigation Povidone iodine and saline are commonly used to clean surgical sites. While they reduce surface bacteria, they may not fully remove bacteria from deep tissues or implant surfaces.
  • Infections can still occur despite perfect protocols Some infections develop even when every guideline is followed. This shows that traditional methods alone cannot remove all risk in orthopedic surgery.

This is why infection prevention continues to evolve in orthopedic care.


Advanced Intraoperative Infection Prevention Methods

Orthopedic surgeons know that the most important time to control bacteria is during the surgery itself. Once bacteria enter deep tissues or attach to implants, treatment becomes harder.

That is why many modern infection prevention strategies focus on reducing bacterial load while the surgery is happening, not after problems appear.

  • Focus on reducing bacteria during surgery Surgeons aim to lower the number of bacteria present at the surgical site before implants are placed. Fewer bacteria during surgery means a lower chance of infection developing later.
  • Role of irrigation and lavage in orthopedic procedures Irrigation helps wash away blood, tissue debris, and bacteria from bone and joint surfaces. Proper lavage during surgery supports a cleaner surgical field and better implant safety.
  • Early bacterial reduction lowers future infection risk When bacteria are reduced early, there is less chance for them to attach to implants or form biofilms. This supports faster healing and lowers the risk of repeat surgery.
  • Use of advanced solutions like Simini Many surgeons now use Simini during orthopedic surgery to help reduce bacteria and biofilm risk. Simini is a non antibiotic surgical lavage designed to break down bacteria and biofilms without contributing to antibiotic resistance.

These advanced methods strengthen infection prevention where it matters most.


What Pet Owners Should Know About Intraoperative Surgical Lavage

During orthopedic surgery, surgical lavage plays a key role in lowering infection risk. Lavage means washing the surgical area during the operation.

It is done after the bone is exposed and before implants are placed. For pet owners, understanding lavage helps you see how surgeons reduce bacteria at the most critical moment.

  • Purpose of surgical lavage in orthopedic procedures Lavage helps remove blood, tissue debris, and bacteria from the surgical site. This creates a cleaner environment before plates, screws, or pins are inserted. A cleaner site supports better healing.
  • Standard saline wash versus advanced lavage solutions Saline mainly flushes debris from the area. It does not actively break down bacteria or biofilms. Advanced lavage solutions are designed to reduce bacterial load more effectively while still being safe for bone and soft tissue.
  • Why lavage matters more when implants are used Implants give bacteria a surface to attach to. If bacteria remain during implant placement, they can form biofilms that are hard to treat later. Lavage lowers the number of bacteria before this happens.
  • How lavage supports long term recovery Reducing bacteria during surgery lowers the chance of infection after surgery. This helps protect implants, reduce pain, and improve long term mobility.

Lavage is a critical part of infection prevention during orthopedic surgery.


Asking Your Surgeon About Infection Prevention Options

As a pet owner, it is completely reasonable to ask how infection risk is managed during your dog’s orthopedic surgery. Infection can affect healing, comfort, and long term movement.

Understanding what happens during surgery helps you feel confident and informed before making decisions.

  • Why asking about infection prevention is appropriate Orthopedic surgery involves implants and bone exposure, which carry higher infection risk. Asking about prevention shows that you care about your dog’s safety, not that you doubt your surgeon’s skills.
  • Questions you can ask before surgery You can ask how infection risk is reduced during the operation, what steps are taken before implants are placed, and how bacteria are controlled while the surgical site is open. These questions help you understand the full process.
  • Understanding what happens during surgery Many infection prevention steps happen in the operating room, not before or after surgery. This includes sterile technique, careful tissue handling, and methods used to reduce bacteria during the procedure itself.
  • Knowing your role as a pet owner Your role is not to choose the technique, but to understand the approach. Clear answers help you feel prepared and confident on surgery day.

Open communication supports safer surgical care and better outcomes for your dog.


Making an Informed Decision as a Pet Owner

Facing orthopedic surgery for your dog can feel overwhelming. As a pet owner, your goal is to balance safety, infection risk, and long term recovery.

Understanding how infection prevention works helps you make calm, informed decisions rather than reacting to fear or uncertainty.

  • Balancing infection risk and overall safety No surgery is completely risk free, but strong infection prevention reduces complications. Choosing a surgical plan that focuses on safety supports smoother healing and fewer setbacks.
  • Why prevention during surgery matters most Many infections begin while the surgical site is open. Reducing bacteria before implants are placed protects bone healing and lowers the risk of implant related infections.
  • Protecting long term mobility and comfort Infections can delay recovery and affect joint function. Preventing infection during surgery helps your dog regain strength and movement more reliably.
  • Partnering with your surgeon The best outcomes happen when pet owners and surgeons work together. Asking informed questions and trusting professional guidance creates a strong partnership focused on your dog’s health.

Making informed choices before surgery supports a safer recovery and better long term results.


Conclusion

Reducing infection risk in dogs undergoing orthopedic surgery is not a single step. It is a process that starts before surgery and continues during the operation itself. Careful planning, proper preparation, and strong infection control in the operating room all work together to protect your dog.

  • Infection prevention begins before surgery and continues during surgery Health checks, skin preparation, sterile technique, and bacterial control during surgery all play a role in lowering infection risk.
  • Pet owners support safer outcomes by asking informed questions Asking how infection is managed during surgery helps you understand the process and feel confident in the care your dog receives.
  • Right surgical strategies protect healing and implants Preventing bacteria from reaching bone and implants reduces complications, supports healing, and protects long term mobility.

Being informed allows you to partner with your veterinary team and make decisions that support the best possible recovery for your dog.


FAQs

Why is infection risk higher in orthopedic surgery compared to other surgeries?

Orthopedic surgery involves cutting bone and placing implants like plates or screws. These implants give bacteria a surface to attach to. Surgery time is also longer, which increases exposure. Because bone heals slowly, infections are harder to control and can affect healing and long term mobility.

Can infections happen even if antibiotics are used?

Yes, infections can still occur even when antibiotics are given correctly. Antibiotics do not fully prevent bacteria from attaching to implants or forming biofilms. Some bacteria survive despite treatment. This is why infection prevention during surgery itself is so important.

Should I ask my surgeon about infection prevention during surgery?

Yes, it is appropriate to ask. Understanding how infection risk is managed helps you feel confident before surgery. Asking these questions shows you care about your dog’s safety and recovery, not that you doubt your surgeon.

Are non-antibiotic methods used during orthopedic surgery?

Yes, many surgeons use non antibiotic methods during surgery. These include sterile technique, careful tissue handling, and surgical lavage to reduce bacteria. Some advanced lavage solutions are designed to reduce bacteria without increasing antibiotic resistance.

Does better infection control improve long term surgical success?

Better infection control lowers the risk of complications, implant failure, and repeat surgery. When infection is prevented, bones heal more reliably and implants remain stable. This leads to better long term comfort, mobility, and overall surgical success for dogs.

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Step #1

Getting Ready

Ensuring a clean surgical field starts with proper skin preparation. This video demonstrates the best practices for:

  • Shaving the patient – Achieving a close, even shave while minimizing skin irritation
  • The Dirty Scrub – The initial skin prep step to remove surface debris and reduce bacterial load before the sterile scrub.

Following these techniques helps reduce infection risk and improve surgical outcomes. Watch the video to see how it’s done effectively!

Step #2

Reduce Your Risks

Many surgeons are shocked to find out that their patients are not protected from biofilms and resistant bacteria when they use saline and post-op antibiotics.

That’s Where Simini Comes In.

Why leave these risks and unmanaged?  Just apply Simini Protect Lavage for one minute. Biofilms and resistant bacteria can be removed, and you can reduce two significant sources of infection.

Step #3

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Preventing surgical infections is critical for patient safety and successful outcomes. This course covers:

  • Aseptic techniques – Best practices to maintain a sterile field.
  • ​Skin prep & draping – Proper methods to minimize contamination.
  • ​Antibiotic stewardship – When and how to use perioperative antibiotics effectively.

Stay up to date with the latest evidence-based protocols. Click the link to start learning and earn CE credits!

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