Endoscopic Assisted Pronator Release

About Pronator Syndrome

Pronator syndrome is caused by a compression of the median nerve at the elbow or upper forearm (the proximal median nerve). It mimics the symptoms of carpal tunnel syndrome, which is a compression of the median nerve at the wrist (the distal median nerve).

Most often, pronator syndrome is a function of tissues that have been chronically aggravated and swollen until they form a tight band around the nerve. Sometimes, the narrow passageway is simply an anatomical anomaly. Like carpal tunnel syndrome sufferers, patients may experience numbness and tingling in the thumb, forefinger, middle finger, and near half of the ring finger, but unlike the case with carpal tunnel syndrome, forearm tenderness is usually present as well.

EMG/NCV (electromyogram and nerve conduction studies) testing may be done, usually to discover or rule out carpal tunnel syndrome. Examining subtle aspects of the test results, like the locations of muscle fibrillations, help point a hand specialist toward pronator syndrome.

About the Endoscopic Assisted Pronator Release

This procedure involves a small incision on the underside of the upper forearm or elbow region, and utilizes an endoscope with a camera to guide the surgeon into the area of constricting tissues. The surgeon identifies the nerve and uses instruments to detach the tissues and free up (release) the nerve.

Much like the endoscopic carpal tunnel release, this procedure usually requires no stitches. Recovery is rapid and normal activity can usually be resumed within three weeks.