Efficacy of Keyhole Approach to Carpal Tunnel Syndrome Under Ambulatory Strategy

Prospective controlled clinical trial in which a minimally invasive microsurgical approach was used following the keyhole principle in 55 patients and 65 hands under local anesthesia and ambulatory strategy. All patients included in the study had an average of 3 months disease course and were considered refractory to conservative treatment. Patients were evaluated with stringent inclusion criteria with the Levine severity and functional status scale with a 2 year follow-up. Descriptive outcomes on the efficiency of this procedure are reported.