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Carpal tunnel release - Overview

Definition of Carpal tunnel release :

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.

Description:

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 makes up the top of this tunnel.

First, you will receive anesthesia (numbing medicine) so that you will not feel pain during surgery. You will be awake but also receive medicines to make you relax.

In carpal tunnel release, the surgeon will cut through this ligament to make more space for the nerve and tendons.

  • First your surgeon will make a small incision (cut) in the palm of your hand near your wrist.
  • Then your surgeon will cut the carpal transverse ligament to ease the pressure on the median nerve. Sometimes, tissue around the nerve is removed as well.
  • Your surgeon will then close the skin and tissue underneath with sutures (stitches).

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 incision and looks at the monitor to see inside your wrist. This is called endoscopic surgery. The instrument used is called an endoscope.

  • Reviewed last on: 2/3/2009
  • C. Benjamin Ma, MD, Assistant Professor, Chief, Sports Medicine and Shoulder Service, UCSF Dept of Orthopaedic Surgery. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Scholten RJ, Mink van der Molen A, Uitdehaag BM, Bouter LM, de Vet HC. Surgical treatment options for carpal tunnel syndrome. Cochrane Database Syst Rev. 2007;(4):CD003905.

Botte MJ. Controversies in carpal tunnel syndrome. Instr Course Lect. 2008;57:199-212.

Wright PE II. Carpal tunnel, ulnar tunnel, and stenosing tenosynovitis. In: Canale ST, Beatty JH, eds. Campbell's Operative Orthopaedics. 11th ed. Philadelphia, Pa: Mosby Elsevier; 2007:chap 73.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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