Spinal anaesthesia with 0.5% hyperbaric bupivacaine in elderly patients: Effects of duration spent in the sitting position

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Abstract

Sixty patients, aged 65-84 yr, undergoing minor urological surgery under spinal anaesthesia remained sitting for 2 (group 1, n=15), 5 (group 2, n=15), 10 (group 3, n=15), or 20 (group 4, n=15) min after completion of the subarachnoid administration of 3 ml of a 0.5% hyperbaric bupivacaine solution. They were then placed in the supine position. Analgesia levels were assessed bilaterally using pinprick. Motor block was scored using a 12-point scale. Systolic and diastolic arterial pressures and heart rate were also recorded. Twenty minutes after the injection the upper analgesia levels were lower (P<0.05) in group 4 (median T9.0) than in the groups 1-3 (medians T6.6-T8.5). The highest obtained levels (medians T5.7-T8.0) did not differ between the groups, but occurred later (P<0.05) in group 4 (median 35 min) than in groups 1-3 (medians 19-24 min). There were no significant differences in the maximum degree of motor block or haemodynamic changes between the four study groups.

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APA

Veering, B. T., Immink-Speet, T. T. M., Burm, A. G. L., Stienstra, R., & Van Kleef, J. W. (2001). Spinal anaesthesia with 0.5% hyperbaric bupivacaine in elderly patients: Effects of duration spent in the sitting position. British Journal of Anaesthesia, 87(5), 738–742. https://doi.org/10.1093/bja/87.5.738

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