The carpal tunnel syndrome is a lesion that affects the hand and wrist. The carpal tunnel is a space bounded by the wrist bones and a rigid ligament that connects the bones to each other. Through this channel passes the median nerve. The latter controls the thumb, index finger, middle finger, and ring finger.
When this space becomes small, the median nerve becomes compressed.
The compression of the median nerve leads to numbness and tingling in the hand and pain and loss of dexterity.
Some occupations cause inflammation in the carpal tunnel:
Repetitive hand movements
Unnatural positions of the hand
Mechanical stress exerted on the palms of the hands
The carpal tunnel syndrome may be linked to some general diseases:
Amyloidosis (accumulation in the liver, kidneys, spleen of a substance that is similar to starch)
Hypothyroidism (deficiency of the thyroid gland)
Tumors of tendon sheaths
Fractures and dislocation of wrists
Use of oral contraceptives
The surgical treatment is suggested in case of medical treatment’s failure.
It involves opening this tunnel at the level of the wrist’s front side and decompressing this nerve. The procedure is performed under locoregional or general anesthesia. It lasts about 20 minutes. It is performed in an operating theater by a plastic surgeon. The patient can return the same day.Last update : 15/07/2019
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