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J Hand Surg Eur Vol · Oct 1997
Randomized Controlled Trial Comparative Study Clinical TrialComparison between single injection transthecal and subcutaneous digital blocks.
- C K Low, H P Wong, and Y P Low.
- Department of Orthopaedic Surgery, Tan Tock Seng Hospital, Singapore.
- J Hand Surg Eur Vol. 1997 Oct 1; 22 (5): 582-4.
AbstractA randomized double blinded study was performed on 142 patients to evaluate two different techniques of single injection digital anaesthesia. In group A, 86 digits in 71 patients were anaesthetized by a single injection transthecal technique using 3 cc of lignocaine and bupivacaine mixture. Anaesthesia of the whole digit was achieved in 83 (97%) digits. In group B, 80 digits in 71 patients were anaesthetized with a single injection subcutaneous technique using the same amount of anaesthetic mixture. Total anaesthesia of the digit was achieved in 75 (94%) digits. These two techniques were found to have no differences in effectiveness, distribution, onset and duration of anaesthesia.
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