ORTHOPEDICS + SPORTS MEDICINE
Carpal Tunnel Release
Relieving pressure on the median nerve to restore comfort, grip, and a full night of sleep.
Carpal tunnel release is a surgical procedure used to reduce pressure on the median nerve at the wrist. It may be recommended when carpal tunnel syndrome causes persistent numbness, tingling, pain, or weakness that has not improved with nonsurgical care. By creating more room for the nerve within the carpal tunnel, the procedure can help protect hand function and relieve symptoms that interfere with sleep, work, and everyday activities.
At Sforzo | Dillingham | Stewart Orthopedics + Sports Medicine, carpal tunnel treatment is based on the severity of the nerve compression and its effect on the patient’s hand. When surgery is appropriate, the goal is to release the nerve safely while supporting a comfortable recovery and a dependable return to daily hand use.
Anatomy of the Wrist and Median Nerve
The carpal tunnel is a narrow passageway on the palm side of the wrist. Its floor and sides are formed by the small carpal bones, while a strong band of connective tissue called the transverse carpal ligament forms the roof.
Several important structures pass through this confined space, including the median nerve and the tendons responsible for bending the fingers and thumb. The median nerve provides sensation to the thumb, index finger, middle finger, and part of the ring finger. It also controls certain muscles near the base of the thumb.
Because the tunnel has rigid boundaries and limited room to expand, swelling or narrowing can place pressure on the median nerve. This pressure can interfere with nerve function and produce symptoms such as:
- Numbness or tingling in the thumb and fingers
- Symptoms that interrupt sleep
- Hand weakness or difficulty gripping
- Trouble with buttons and other fine hand movements
- A tendency to drop objects
- Pain that may extend from the wrist into the forearm
Symptoms often begin intermittently but may become more frequent as nerve compression progresses.
When Is Carpal Tunnel Release Considered?
Mild or early carpal tunnel syndrome can often be treated without surgery. Depending on the patient’s symptoms, treatment may begin with nighttime wrist bracing, activity changes, nerve-gliding exercises, medication, or a corticosteroid injection.
Surgery may be considered when these measures provide only temporary relief or no longer control the symptoms. It may also be recommended when testing shows significant nerve compression or when weakness, constant numbness, or loss of muscle near the thumb suggests that the median nerve is being damaged.
The decision is based on several factors, including:
- The severity and duration of symptoms
- Changes in hand strength or coordination
- Physical examination findings
- Response to nonsurgical treatment
- Results from nerve conduction studies or other testing
Carpal tunnel release is intended to prevent continued compression and create a better environment for the median nerve to recover. If the nerve has been severely compressed for an extended period, some loss of strength or sensation may not be fully reversible.
How Carpal Tunnel Release Is Performed
During carpal tunnel release, the surgeon divides the transverse carpal ligament that forms the roof of the tunnel. Releasing this ligament increases the amount of space within the carpal tunnel and decreases pressure on the median nerve.
The procedure may be performed using an open or endoscopic approach.
Open Carpal Tunnel Release
With an open release, the surgeon makes a small incision in the palm to access the transverse carpal ligament. The ligament is carefully divided while the median nerve and surrounding structures are protected.
Endoscopic Carpal Tunnel Release
An endoscopic release is performed through one or more small openings. A narrow camera allows the surgeon to view the ligament from inside the wrist and divide it with a specialized instrument.
Both approaches share the same goal. The appropriate technique depends on the patient’s anatomy, medical history, previous procedures, and the surgeon’s assessment. Carpal tunnel release is commonly completed as an outpatient procedure, allowing the patient to return home the same day.
Recovery After Carpal Tunnel Release
Finger movement is usually encouraged soon after surgery to help control swelling and reduce stiffness. Patients may be instructed to elevate the hand and keep the incision clean while it heals.
Light use of the hand may begin relatively early, but forceful gripping, repetitive hand activity, and heavy lifting are restricted until the tissues have had sufficient time to recover. The timing of driving and returning to work depends on which hand was treated and the physical demands of the patient’s job.
Nighttime tingling may begin to improve soon after the nerve is released. Sensation and strength often recover more gradually. A nerve that has been compressed for months or years generally requires more time to recover than one treated earlier in the course of the condition.
Tenderness in the palm, swelling, or temporary stiffness can occur during the initial recovery period. Grip and pinch strength also take time to return and may continue improving for several months.
Is Hand Therapy Necessary?
Formal hand or occupational therapy is not required after every carpal tunnel release. Many patients recover with a guided home program that focuses on finger motion and the gradual return of wrist and hand use.
Therapy may be recommended when a patient experiences:
- Persistent stiffness or swelling
- Difficulty restoring hand strength
- Significant weakness before surgery
- Scar sensitivity
- Delayed return of normal hand function
- Another hand or wrist condition affecting recovery
When indicated, therapy can address mobility, strength, scar management, and the safe return to work or recreational activities.
When to See a Hand Specialist
An evaluation is appropriate when numbness or tingling repeatedly interrupts sleep, hand weakness affects daily tasks, or symptoms continue despite bracing and activity changes. Patients should also seek care when they begin dropping objects, lose coordination, or notice weakness or shrinking of the muscles near the thumb.
Not every case of hand numbness begins at the wrist. Similar symptoms can come from the neck, elbow, or another medical condition. A focused examination, and nerve testing when appropriate, can help locate the source of the problem and guide treatment.
Summary
arpal tunnel release addresses the physical source of median nerve compression by creating more space within the wrist. The procedure may relieve disruptive symptoms and help preserve hand function when nonsurgical care is no longer sufficient.
The hand and wrist specialists at Sforzo | Dillingham | Stewart can determine how severely the nerve is affected, whether surgery is appropriate, and which release technique best fits the patient’s needs.