This study demonstrates that ankle block prolongs analgesic effect in foot surgery, suggesting improved pain management compared to spinal block.
Background: Nerve block provides superior post-operative analgesia compared to general anaesthesia. We compared the post-operative analgesics profile between ankle block and uniteral subarachnoid block in adult undergoing foot surgeries. Materials and Methods: Fifty adult patients scheduled for elective foot surgeries were enrolled into the study. They were randomly assigned into Groups A and S of 25 patients each. Group A (ankle block) received 20 ml of 0.5% plain bupivacaine, while Group S (unilateral spinal block) received 3 ml of 0.5% heavy bupivacaine. Results: There was no statistically significant difference regarding the age, sex, weight and American Society of Anesthesiologists physical status of these patients. The data were analysed using the Statistical Package for Social Science (SPSS) version 25.0 IBM SPSS( Chicago, IL USA) and presented using relevant tables and figures. Statistical tests of association were performed with a confidence level of 95% and P < 0.05 was taken as statistically significant. The time to first rescue analgesics request was significantly prolonged in Group A, 468.80 ± 39.67 min (7.8 ± 0.7 h) compared to 172.84 ± 64.69 min (2.9 ± 1.1 h) in Group S, P = 0.000. The total post-operative analgesic consumption was higher in Group S, 133.00 (±26.73) mg compared to 79.00 (±13.84) mg in Group A, P = 0.000. Conclusion: Ankle block has prolonged time to first rescue analgesic request, and the total analgesic consumption was less compared to unilateral subarachnoid block.
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Aljannare et al. (2025) studied this question.
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