Arthroscopy

What is arthroscopy?

Arthroscopy is a procedure used in veterinary and human medicine to diagnosis and treat various joint diseases.  Arthroscopy is performed using a specialized telescope-like camera called an arthroscope. In Greek, “arthro” means joint, “endo” means inner, and “skopein” means to look. As translated, an arthroscope is a type of endoscope used to look specifically inside joints. 

 

How does it work?

With arthroscopy, the patient is sedated or anesthetized and a small incision the size of a buttonhole is made in the joint through which the arthroscope is inserted. The arthroscope is roughly the thickness of a pencil, and it contains a light source and a camera lens that is connected to a fiber optic cord which projects the image of the joint onto a monitor. Fluid is inserted into the joint to allow better visualization. The veterinary surgeon can see the joint on the monitor and determine if any abnormalities exist.

"With arthroscopy, the patient is sedated or anesthetized and a small incision the size of a buttonhole is made in the joint through which the arthroscope is inserted."

If treatment is required, another buttonhole incision is made in the joint through which the surgical instruments can fit. The veterinary surgeon will watch the monitor while performing surgery on the diseased joint.

 

What are the advantages of arthroscopy?

Arthroscopy is considered a minimally invasive surgery. Compared to traditional surgical methods, it is considered less aggressive. The joint may not need to be fully opened with arthroscopy and only one to two small holes are made in the joint. The instruments used during arthroscopic surgery are smaller than traditional surgical instruments. For all these reasons there is less trauma in the joint which helps to reduce scarring and recovery time for the patient.  

 

Can it be used on all joints?

Technically, arthroscopy is possible on all joints; however, in veterinary medicine it is most often used to examine the hip, knee, shoulder, and elbow. It may be recommended for many different diseases and conditions of the joint. For instance, it can be used to treat an osteoarthritic joint which is inflamed and sore.

"Osteoarthritis can result in painful bone fragments called osteophytes which can be removed be removed using arthroscopy."

Osteoarthritis can result in painful bone fragments called osteophytes which can be removed be removed using arthroscopy. Meniscal tears in the knee joint can be diagnosed and repaired by arthroscopy. Ligaments and tendons which are not easy to see on radiographs (X-rays) can be seen very well with an arthroscope and treated appropriately.

Arthroscopy has also been used in veterinary medicine to treat conditions including medial shoulder instability, elbow dysplasia, and biceps tendon injuries. 

 

How will my veterinarian determine if my pet is a good candidate for arthroscopy?

Typically, your veterinarian will suspect that there is a problem with a joint based on the medical history and physical examination. Diagnostic imaging of the affected joint, such as radiographs, may be recommended before arthroscopy. At times, advanced imaging such as magnetic resonance imaging (MRI) or computed tomography (CT) may be required prior to the procedure. Ultimately, arthroscopy can be used as a superior diagnostic tool, as the inside of the joint can be seen by your veterinarian and an appropriate treatment plan can be made. 

 

What are the risks associated with arthroscopy?

Your pet may require heavy sedation or general anesthesia, therefore it is important to talk to you veterinarian about risks.  Arthroscopy is considered a low-risk procedure with a low rate of complications. Complications may involve leakage of fluid into the surrounding tissue which can cause fluid accumulation (edema) that can be uncomfortable. Generally, the edema will resolve on its own with time. Since the incisions are small, the likelihood of an infection is minimal.

"Arthroscopy is considered a low-risk procedure with a low rate of complications."

Arthroscopy is a specialized procedure and should only be performed by a veterinarian who is appropriately trained.

 

What will the recovery time be like for my pet?

The recovery time will depend on the extent of the injury, and the specific joint affected.  Compared to traditional surgery, the recovery time is generally a lot shorter. Your veterinarian may initially require your pet to rest for one to two weeks before introducing regular activities such as walking, running, and jumping. Pain medication and anti-inflammatory medications may be required initially. Rehabilitation therapy or animal physiotherapy may be recommended to expedite a return to function. 

This client information sheet is based on material written by: Tiffany Durzi, DVM, CVA, CCRT, CVPP

© Copyright 2020 LifeLearn Inc. Used and/or modified with permission under license.

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