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Title: Effects of Adding Intrathecal Dexmedetomidine to Hyperbaric Bupivacaine for Saddle Spinal Block in Adults Undergoing Peri-anal Surgeries
Authors: Gautam, Binod
Lama, Sushila Moktan
Sharma, Mona
Citation: GautamB., LamaS. M., & SharmaM. (2018). Effects of Adding Intrathecal Dexmedetomidine to Hyperbaric Bupivacaine for Saddle Spinal Block in Adults Undergoing Peri-anal Surgeries. Journal of Nepal Health Research Council, 16(1), 43-48.
Issue Date: 2018
Publisher: Nepal Health Research Council
Article Type: Original Article
Keywords: Bupivacaine
Intrathecal adjuvant
Saddle spinal block
Series/Report no.: Jan - Mar 2018;1146
Abstract: Abstract Background: Saddle spinal block is the first choice anesthetic technique for adults undergoing peri-anal surgeries. It prevents unnecessary high levels of analgesia and sympathetic block. However, it may not provide prolonged analgesia. This study aims to investigate analgesic effects of dexmedetomidine when added to hyperbaric bupivacaine in saddle spinal block. Methods: Fifty otherwise healthy adults scheduled for uncomplicated peri-anal surgery were randomly allocated into two equal groups in this double-blinded study. Group A received hyperbaric bupivacaine five milligrams; group B received hyperbaric bupivacaine five milligrams plus dexmedetomidine five micrograms intrathecally. Patients remained seated for ten minutes. Time to first analgesic request by patients was the primary end point. Onset and extent of sensory block, and, magnitude and duration of motor block were assessed. Post-operative analgesic consumption and side effects were studied for 24 hours. Student’s t-test for quantitative variables and Chi-square test for categorical variables were used for statistical analysis. Results: Patients in group B had a significantly prolonged duration of analgesia (group B, 501 ± 306 minutes; group A, 284 ± 58 minutes) and significantly reduced analgesic requirement than patients in group A. Sensory block in first sacral dermatome appeared significantly earlier in group B. Peak sensory block, magnitude of motor block, and side effects were not significantly different between groups A and B. Conclusions: Dexmedetomidine as an intrathecal adjuvant to hyperbaric bupivacaine in saddle spinal block prolongs duration of analgesia and decreases analgesic requirement with no added side effects.
Description: Original Article
ISSN: Print ISSN: 1727-5482; Online ISSN: 1999-6217
Appears in Collections:Vol. 16 No. 1 Issue 38 Jan-Mar 2018

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