Since reports in the late 1940s of surgical treatment for compressive
neuropathy of the median nerve at the wrist, carpal tunnel release has
become one of the most commonly performed surgical procedures. Despit
e the frequency of this surgery, controversy remains regarding diagnos
is and management. Fifty consecutive surgically treated cases performe
d under local anesthesia. Ninety percent of patients (45/50) obtained
complete relief of symptoms, The success rate is related to proper pat
ient selection and complete division of the transverse carpal ligament
under direct vision at surgery.