The Journal of hand surgery
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Randomized Controlled Trial
The effect of buffered lidocaine in local anesthesia: a prospective, randomized, double-blind study.
Open carpal tunnel decompression under local anesthesia is routinely done by many surgeons. However, patients complain of pain during the injection of local anesthesia. This prospective, double-blind, randomized study was to compare the pain visual analog scale (VAS) scores of local anesthesia using lidocaine with and without sodium bicarbonate in patients with bilateral carpal tunnel syndrome. ⋯ Therapeutic I.