To investigate the clinical application and efficacy of 1∶1 000 000 epinephrine combined with 0.075% ropivacaine in the operation of carpal tunnel syndrome.

Sixty-four patients with carpal tunnel syndrome from October 2017 to February 2019 were selected and divided into two groups according to the mode of anesthesia: brachial plexus block anesthesia group (group A) and adrenaline+ ropivacaine awake local anesthesia group (group B). The amount of bleeding and visual analogue scale (VAS) of incision were recorded. The results were statistically analyzed and compared.

All the patients were follow-up for 3 to 6 months. There was no significant difference in VAS between the two groups (P>0.05); the amount of bleeding in group B was significantly less than that in group A (P<0.05). According to Gu Yudong′s criteria of carpal tunnel syndrome: in group A, 10 cases were excellent, 15 cases good and 7 cases fair, with the excellent and good rate being 78.13%; in group B, 12 cases were excellent, 14 cases good and 6 cases fair, with the excellent and good rate being 81.25%. There was no significant difference in the excellent and good rate between the two groups (P>0.05).

The application of 1∶1 000 000 epinephrine combined with 0.075% ropivacaine local anesthesia without tourniquet in the operation of carpal tunnel syndrome creates a clear vision of bloodless operation, with stable anesthetic effect and good analgesic effect, which can avoid the possible complications of tourniquet. It is safe and economical, and has obvious advantages over the traditional anesthesia, which is worthy of clinical promotion.

Carpal tunnel syndrome; Anesthesia, local; Wide awake; Epinephrine; Hemostasis technique