Tenotomy

Tenotomy is a surgical procedure where a surgeon cuts a tendon to relieve tension, lengthen a muscle, or correct a deformity. It is often performed to improve movement and reduce pain caused by tight tendons, commonly seen in conditions like clubfoot or cerebral palsy. The goal is to restore normal function and range of motion.

What is Tenotomy?

Tenotomy is a surgical procedure where a surgeon cuts a tendon, which is the strong tissue connecting muscle to bone. This procedure aims to relieve tension, lengthen a muscle, or correct a deformity caused by a tight tendon. It helps improve movement and reduce pain, often as part of a broader treatment plan.

A tendon is a tough, flexible band of fibrous tissue that connects muscles to bones. When a tendon becomes too tight or short, it can restrict movement, cause pain, or lead to a physical deformity. Tenotomy involves a precise surgical cut to this tendon. The primary goal of a tenotomy is to lengthen the muscle-tendon unit. By cutting the tendon, the surgeon reduces the tension on the associated muscle, allowing it to relax and stretch. This can improve the range of motion in a joint and help correct a crooked limb or joint. This procedure is performed by a trained surgeon and can be done using different techniques. Sometimes, a small incision is made, known as an open tenotomy. In other cases, a tiny puncture through the skin is used, which is called a percutaneous tenotomy. The choice of technique depends on the specific tendon involved and the condition being treated.

Why it's done

Tenotomy is performed to address conditions where tendons are too tight, causing pain, limited movement, or physical deformities. It is commonly used for conditions such as clubfoot, cerebral palsy, or other disorders that lead to muscle contractures or spasticity. The procedure helps restore a more normal range of motion and improve function.

One common reason for tenotomy is to treat clubfoot, a congenital condition where a baby's foot is twisted out of shape or position. In many cases, the Achilles tendon (the tendon connecting the calf muscle to the heel bone) is too short and tight, pulling the foot downwards. A tenotomy can lengthen this tendon, allowing the foot to be positioned correctly, often as part of the Ponseti method of treatment. Another frequent indication for tenotomy is to manage spasticity in individuals with cerebral palsy. Cerebral palsy is a neurological disorder that can cause muscles to be stiff and tight (spastic). This tightness can lead to contractures, where muscles and tendons become permanently shortened, limiting movement and causing discomfort. Tenotomy can release these tight tendons, improving mobility and making daily care easier. Tenotomy may also be performed for other conditions that cause muscle contractures or tightness, such as certain types of arthritis or injuries that result in shortened tendons. The decision to perform a tenotomy is made after a thorough evaluation by a clinician, considering the patient's specific condition, symptoms, and overall health.

How to prepare

Preparing for a tenotomy involves a thorough medical evaluation by your doctor to ensure you are healthy enough for surgery. You will discuss your current medications, including any blood thinners, and receive specific instructions about fasting before the procedure. Arranging for transportation home after surgery is also an important step.

Before your tenotomy, your doctor will conduct a comprehensive medical evaluation. This may include a physical examination, blood tests, and sometimes imaging studies like X-rays or MRI scans. These tests help ensure you are in good health for surgery and allow the surgical team to plan the procedure effectively. It is crucial to discuss all your current medications with your doctor, including prescription drugs, over-the-counter medicines, supplements, and herbal remedies. You may be advised to stop certain medications, such as blood thinners, for a specific period before surgery to reduce the risk of bleeding. Your doctor will provide clear instructions on which medications to take or avoid. You will also receive specific instructions regarding food and drink before surgery. Typically, you will be asked not to eat or drink anything after midnight on the day of your procedure. This is to prevent complications related to anesthesia. Additionally, it is important to arrange for someone to drive you home after the surgery and to help you during the initial recovery period, as you will likely be groggy from anesthesia and may have limited mobility.

What happens during

During a tenotomy, you will receive anesthesia, typically general anesthesia to make you sleep, or regional anesthesia to numb the surgical area. The surgeon then makes a small incision or a tiny puncture (percutaneous approach) over the affected tendon. The tendon is carefully cut, either partially or completely, to achieve the desired lengthening or release. The incision is then closed.

The procedure begins with the administration of anesthesia. Depending on the specific tendon being treated and your overall health, you may receive general anesthesia, which means you will be unconscious during the surgery. Alternatively, regional anesthesia might be used, numbing only the part of your body where the surgery will take place while you remain awake but comfortable. Once the anesthesia has taken effect, the surgeon will prepare the surgical site. For an open tenotomy, a small incision is made in the skin directly over the tight tendon. If a percutaneous tenotomy is performed, the surgeon uses a very small needle or blade to make a tiny puncture through the skin to access the tendon. This minimally invasive approach often results in less scarring. The surgeon then carefully cuts the tendon. The cut may be partial, allowing the tendon to stretch and lengthen, or it may be a complete cut, depending on the degree of tightness and the desired outcome. After the tendon is released, the incision or puncture site is closed with stitches, surgical glue, or sterile strips. The entire procedure is usually relatively quick, often taking less than an hour, though this can vary.

Recovery & timeline

After a tenotomy, you can expect some pain and swelling in the surgical area, which can be managed with medication. The treated area is often immobilized with a cast or splint to protect the healing tendon. Physical therapy is usually a crucial part of recovery, helping to regain strength and flexibility. Full recovery can take several weeks to a few months, depending on the specific procedure.

Immediately after the tenotomy, you will likely experience some pain and swelling at the surgical site. Your medical team will provide pain medication to help manage any discomfort. It's important to follow their instructions for pain relief and to report any severe or worsening pain. To protect the healing tendon and maintain the corrected position, the treated area is often immobilized. This typically involves wearing a cast, splint, or brace for a period, which could range from a few weeks to several weeks. Your doctor will give you specific instructions on how to care for your cast or splint, including keeping it dry and clean. Physical therapy is almost always a vital component of recovery. A physical therapist will guide you through exercises designed to improve your range of motion, strengthen the surrounding muscles, and help you regain full function. Adhering to your physical therapy program is crucial for achieving the best possible outcome. The overall recovery timeline varies significantly based on the specific tendon involved, the extent of the surgery, and your individual healing process, but it generally spans from several weeks to a few months before you can return to normal activities.

Risks & side effects

Like any surgical procedure, tenotomy carries potential risks and side effects, although serious complications are rare. These can include infection at the surgical site, bleeding, or damage to nearby nerves or blood vessels. Other possible risks involve the recurrence of the original deformity, overcorrection, or the formation of scar tissue that could limit movement. Your surgeon will discuss these with you.

While tenotomy is generally considered safe, it's important to be aware of the potential risks. Common surgical risks include infection at the incision site, which can be managed with antibiotics, and bleeding, which is usually minor. There is also a small risk of damage to nearby nerves or blood vessels during the procedure, which could lead to numbness, weakness, or other complications. Specific risks related to tenotomy include the possibility of the original deformity or tightness recurring, especially in conditions like cerebral palsy where the underlying neurological issue persists. In some rare cases, the tendon might be overcorrected, leading to weakness or instability in the affected joint. Additionally, scar tissue can form around the cut tendon, which might occasionally limit movement or cause discomfort. Risks associated with anesthesia, such as allergic reactions or breathing problems, are also possible, though rare. Your surgical team will take precautions to minimize these risks and monitor you closely throughout the procedure and during recovery. It is essential to discuss all potential risks and benefits with your surgeon before deciding on the procedure.

Success rate

The success rate of tenotomy is generally good for improving function and reducing contractures, especially when performed for specific conditions like clubfoot or spasticity in cerebral palsy. Success is often measured by improved range of motion, reduced pain, or correction of a deformity. However, tenotomy is frequently part of a broader treatment plan, and its effectiveness can depend on ongoing physical therapy and follow-up care.

There isn't a single, universal success rate for tenotomy, as its effectiveness varies depending on the condition being treated, the specific tendon involved, and individual patient factors. However, for well-selected cases, tenotomy is considered a highly effective intervention. For instance, in the treatment of clubfoot, a tenotomy of the Achilles tendon, when combined with the Ponseti method of casting, is very successful in correcting the foot's position and achieving a functional outcome. For individuals with cerebral palsy, tenotomy can significantly reduce muscle spasticity and improve the range of motion in affected joints. This can lead to better mobility, easier use of braces, and improved comfort. While it may not eliminate the underlying neurological condition, it often plays a crucial role in enhancing the patient's quality of life and functional independence. Long-term success often relies heavily on adherence to post-operative physical therapy and consistent follow-up care. In some cases, particularly with progressive conditions, there is a possibility of the tightness or deformity recurring over time, which might necessitate further interventions. Your clinician will discuss realistic expectations for your specific situation, emphasizing that tenotomy is often one part of a comprehensive treatment strategy.

Frequently asked questions

Is tenotomy a painful procedure?

During the tenotomy procedure itself, you will not feel pain because you will be under anesthesia. After the surgery, it is normal to experience some pain and swelling at the surgical site. Your medical team will provide pain medication to help manage this discomfort effectively during your recovery period.

How long does a tenotomy procedure typically take?

The actual surgical time for a tenotomy is usually quite short, often ranging from 15 to 30 minutes. However, this can vary depending on the specific tendon being treated, the complexity of the case, and the type of anesthesia used. The overall time spent at the hospital or surgical center will be longer due to preparation and recovery.

Can a tenotomy be reversed if needed?

No, a tenotomy is a permanent procedure because it involves cutting the tendon. Once a tendon is cut, it cannot be 'uncut' or reversed. While the tendon will heal, it will do so in a lengthened position. If there are future issues, other treatments or surgical interventions might be considered, but not a reversal of the tenotomy itself.

What is the difference between tenotomy and tenolysis?

Tenotomy and tenolysis are both tendon-related surgeries but serve different purposes. Tenotomy involves cutting a tendon to lengthen it or release tension. Tenolysis, on the other hand, is a procedure to free a tendon from scar tissue or adhesions that are restricting its movement, without cutting the tendon itself.

Will I need physical therapy after a tenotomy?

Yes, physical therapy is almost always a crucial part of recovery after a tenotomy. It helps to restore the full range of motion, strengthen the muscles surrounding the treated tendon, and improve overall function. Following your physical therapist's guidance is essential for achieving the best possible long-term outcome.

Are there non-surgical alternatives to tenotomy?

Yes, depending on the condition and its severity, non-surgical alternatives may be considered. These can include physical therapy, stretching exercises, bracing, casting (like the Ponseti method for clubfoot), or medications to reduce muscle spasticity. Your clinician will discuss all available options and recommend the most appropriate treatment plan for your specific situation.

Sources

• MedlinePlus — Tenotomy
• Mayo Clinic — Tenotomy
• Cochrane Library — Tenotomy