This study describes the anatomy of the dorsal digital arteries in the 144 fingers of 18 pairs of fresh human cadaver hands. Previous studies have shown two constant branches in the proximal and middle pulp spaces from each proper digital artery. We have shown that these branches have consistent sites of origin at predictable distances from the proximal interphalangeal joint. Thus cutaneous flaps can be safely planned on these dorsal vessels.

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Availability of a Portuguese version of the Six-Item Carpal Tunnel Syndrome Symptoms Scale and Palmar Pain Scale (CTS-6) questionnaire will allow an objective evaluation of the treatment of a syndrome that is very prominent in medical practice.

ObjectiveThe authors performed an intra-individual comparison of surgical results between the open and endoscopic surgical techniques in patients with bilateral carpal tunnel syndrome. Each hand was submitted to surgery using one of these techniques.MethodsFifteen patients (30 hands) were evaluated by the Boston Questionnaire, visual analogue pain scale, palmar grip strength, and for tip, key, and tripod pinch strengths. These measurements were taken before surgery and at two weeks, one month, three months, and six months after the procedure. Scores for each evaluation tool in each evaluation time period were compared.ResultsIn comparison to the group submitted to open surgery, the group submitted to endoscopic surgery had worse scores in the evaluation of the 1st and 6th postoperative months regarding the severity of the symptoms. The authors found no differences in the functional status of the hand. Regarding the intensity of pain evaluated by the visual analogue pain scale, no difference was found between the averages in all time periods evaluated. No differences in palmar grip strength and in fingertip, key (lateral), and tripod pinch strengths were found in all time periods. There were no differences between averages in the preoperative period at two weeks, one month, and three months after surgery. After six months, the group of patients submitted to open surgery presented greater tripod force than the group of patients who underwent endoscopic surgery.ConclusionNo differences were observed by using the intra-individual evaluation in the results between open and endoscopic techniques for the treatment of carpal tunnel syndrome.