Carpal tunnel syndrome is persistent pain and weakness in the hand caused by compression of the median nerve in the wrist, according to MedlinePlus. Carpal tunnel release surgery is performed to relieve the symptoms of carpal tunnel syndrome by cutting the carpal tunnel ligament and releasing the pressure on the median nerve. Open release surgery is performed via an incision in the wrist. Endoscopic release is performed by using a camera inserted through smaller incisions to conduct the surgery via a video monitor.
Pain and Scarring
Pain and scarring are reported after carpal tunnel surgery. Scarring may consist of a 2-inch scar along the inside of the wrist for patients having the open release surgery or two smaller incisions for those having the endoscopic procedure, according to the National Institute of Neurological Disorders and Stroke. Patients require physical therapy following surgery in order to improve pain and regain full use of their hands.
Nerve Damage
Damage to the nerves of the hand, arm and shoulder is possible with carpal tunnel surgery. The National Institute of Neurological Disorders and Stroke reports that numbness and tingling may occur after surgery as well. This damage is usually temporary and may improve after several months.
Loss of Wrist Strength
Ten percent to a third of carpal tunnel syndrome patients experience loss of wrist strength after their surgeries, according to the University of Maryland Medical Center. Loss of strength may extend into the elbow or shoulder. This loss of strength is due to the carpal tunnel ligament being cut. Patients with jobs that require hand or wrist strength may be unable to return to perform work duties following carpal tunnel surgery. The Medical Center reports that 10 to 15 percent of patients change jobs after having carpal tunnel surgery.
Infection
According to the University of Maryland Medical Center, infection is a possible risk of carpal tunnel surgery. Infection may occur within the wound or along the incision. Signs of infection include fever, swelling or redness at the incision and increased pain and tenderness. Infections are treated with antibiotics.
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