Key result
Intravenous tramadol controlled shivering significantly faster than butorphanol, achieving 100% control at 5 minutes compared to 53.3% with butorphanol (p<0.001).
Why the study?
Does intravenous tramadol improve the control of shivering compared to butorphanol in patients undergoing neuraxial blockade?
RCT (n=60)
Double-blind
Closed envelope method
No
Does intravenous tramadol improve the control of shivering compared to butorphanol in patients undergoing neuraxial blockade?
Absolute Event Rate: 100% vs 53.33%
p-value: p=<0.001
Intravenous tramadol provides more rapid and effective control of shivering induced by neuraxial blockade with less recurrence compared to butorphanol.
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Tramadol may be preferred for faster post-neuraxial shivering control; confirms RCT superiority over butorphanol.
Jain et al. (2016) conducted an RCT in Shivering during spinal anesthesia (n=60). Tramadol vs. Butorphanol 1 mg IV was evaluated on Complete control of shivering at 5 minutes (p=<0.001). Intravenous tramadol controlled shivering significantly faster than butorphanol, achieving 100% control at 5 minutes compared to 53.3% with butorphanol (p<0.001).