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There are 2 types of carpal tunnel release surgery. The traditional method is the open release, in which the surgeon cuts open the wrist to do the surgery. The other method is endoscopic carpal tunnel release, in which a thin, flexible tube that contains a camera is put into the wrist through a tiny incision (cut).
Open carpal tunnel surgery is considered when: 1  Symptoms are still present after a long period of nonsurgical treatment. 2  Severe symptoms (such as persistent loss of feeling or coordination in the fingers or hand, or no strength in the thumb) restrict normal daily activities.