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Carpal tunnel release is surgery to treat carpal tunnel syndrome. Carpal tunnel syndrome is pain and weakness in the hand that is caused by pressure on the median nerve in the wrist.
The median nerve and the tendons that flex (or curl) your fingers go through a passage called the carpal tunnel in your wrist. This tunnel is narrow, so any swelling can pinch the nerve and cause pain. A thick ligament (tissue) just under your skin (the carpal ligament) makes up the top of this tunnel.
First, you will receive numbing medicine (anesthesia) so that you will not feel pain during surgery. You may be awake but you will also receive medicines to make you relax.
The surgeon will cut through the carpal ligament to make more space for the nerve and tendons:
Sometimes surgeons do this procedure using a tiny camera that is attached to a monitor. The surgeon inserts the camera into your wrist through a very small surgical cut and views the monitor to see inside your wrist. This is called endoscopic surgery. The instrument used is called an endoscope.
Patients with symptoms of carpal tunnel syndrome usually try non-surgical treatments first. These are:
If none of these treatments help, some surgeons will test the electrical activity of the median nerve with an EMG. If the test shows that the problem is carpal tunnel syndrome, carpal tunnel release surgery may be recommended.
If the muscles in the hand and wrist are getting smaller because the nerve is being pinched, surgery will usually be done right away.
Risks of carpal tunnel release are:
Tell your health care provider what medicines you are taking. This includes medicines, supplements, or herbs you bought without a prescription.
This surgery is done on an outpatient basis. You will not need to stay in the hospital.
After the surgery, your wrist will probably be in a splint or heavy bandage for about a week. After the splint or bandage is removed, you will begin motion exercises or a physical therapy program.
Carpal tunnel release decreases pain, nerve tingling, and numbness, and restores muscle strength. Most people are helped by this surgery.
The length of your recovery will depend on how long you had symptoms before surgery and how badly damaged your median nerve is. If you had symptoms for a long time, you may not be completely free of symptoms after you recover.
Huisstede BM, Hoogvliet P, Randsdorp MS, Glerum S, van Middlekoop M, Koes BW. Carpal tunnel syndrome. Part I: effectiveness of nonsurgical treatments--a systematic review. Arch Phys Med Rehabil. 2010;91:981-1004.
Huisstede BM, Randsdorp MS, Coert JH, Glerum S, van Middelkoop M, Koes BW. Carpal tunnel syndrome. Part II: effectiveness of surgical treatments--a systematic review. Arch Phys Med Rehabil. 2010;91:1005-1024.
Keith MW. American Academy of Orthopaedic Surgeons clinical practice guidelines on the treatment of carpal tunnel syndrome. J Bone Joint Surg Am. 2010;92:218-219.
Keith MW. American Academy of Orthopaedic Surgeons clinical practice guideline on the diagnosis of carpal tunnel syndrome. J Bone Joint Surg Am. 2010;91:2478-2479.
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