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Everything you need to know about arthroscopy for dogs

Author: The DogsPlanet.com Team

What is arthroscopy in dogs?

Arthroscopy in dogs is an endoscopic technique used in surgery that allows examination of the inside of the targeted joint and, at the same time, provides the possibility of a guided biopsy.

Using a light source, a high-definition video camera and an arthroscope, this surgical technique makes it possible to visually explore a defective joint in the dog’s body.

Its main characteristic is that it is minimally invasive. Whereas in the past, it was necessary to perform invasive surgery to check the internal condition of a joint, it is now possible to do so by making a small skin incision of only a few millimetres.

How was this medical technique created?

Arthroscopy was invented in Japan. Brought back to Europe by Dr. Henri Dorfmann, it allows work inside the joint when the patient is anaesthetized locally or generally as the case may be.

Advances in human medicine with arthroscopy have led to the use of this method of intervention in veterinary medicine. It provides excellent optical vision by illuminating and magnifying the internal structures in the dog.

It is used in the 60’s for humans, in the 70’s for horses and starts to be used for dogs in the 80’s. In the 90’s, it then becomes very frequently used by veterinarians treating pets, especially dogs.

What are the benefits of arthroscopy in dogs?

The advantages of this method are rather numerous.

Benefits

  • Magnification of the explored joint structures
  • Reaching inaccessible areas
  • High precision of the operating gestures
  • Low post-operative pain for the dog (more discomfort than pain)
  • Shorter convalescence
  • Improved prognosis
  • Lower risk of developing osteoarthritis compared to open surgery

Disadvantages

  • High costs
  • Lengthy and extensive experience is necessary before acquiring a good practice.

Why arthroscopy?

No technique is superior to this form of examination, and at least three main components may explain the frequent use by veterinarians.

  1. There is no better way to proceed with visual exploration of the joint and even palpation of its various components such as joint capsule, ligament or cartilage. A small skin orifice of just a few millimetres is sufficient to give access to all joint compartments. Optical lenses allowing high magnification, digital acquisition of the images obtained and their projection onto a screen are all excellent reasons to use arthroscopy.
  2. Arthroscopy allows the rinsing of the joint cavity, thus ensuring good visualization, since the latter depends entirely on the permanent and pressurized irrigation of the explored cavity. The permanent rinsing action of the articular medium is guaranteed by the arthroscopy sheath where the physiological saline solution is brought and then evacuated into the cavity through cannulas or needles.
  3. This method, known as “minimally invasive surgery”, also makes it possible to operate without exposure and with great precision on intra-articular lesions.

Recommendations for dogs

Veterinarians will more often treat specific conditions in particular parts of the body with arthroscopy.

Elbow

  • Fragmentation of the coronoid process
  • Dysplasia of the elbow

Shoulder

  • Osteochondritis dissecans
  • Inflammation of the biceps tendon
  • Biceps tendon tear
  • Ligament tear
  • Shoulder instability
  • Cartilage fracture

Knee

  • Ruptured cruciate ligament
  • Partial meniscus removal
  • Cartilage injury
  • Softening of cartilage

Hip

  • Hip dysplasia
  • Ligament rupture
  • Rupture of the joint capsule
  • Cartilage damage

Other potential uses

  • Foreign bodies
  • Acute or chronic inflammation
  • Bursitis
  • Synovitis
  • Trauma

All joint problems can be treated by arthroscopy. However, since a great deal of experience is required to proceed, less experienced veterinarians often prefer to transfer their patient requiring this type of intervention to a more experienced and specialized veterinarian.

Possible complications of arthroscopy in dogs

Although this method is very effective, complications can occur but they are very rare. Generally, the prognosis for recovery is around 90% for a dog with a joint problem.

  • Brief but slightly greater post-operative pain
  • Joint infection or septic arthritis (very rare, less than 1% of cases)
  • No improvement following arthroscopy

A convalescence period of about 6 weeks without any exercise and with leash outings for sanitary purposes is generally recommended for dogs after arthroscopy.

Conclusion

Arthroscopy is one of the modern methods used in veterinary medicine and has a superior performance compared to many other methods that cannot guarantee such a wide operational field of vision in the canine body’s articular structures.

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