Study Design: A systematic review and meta-analysis.
Objective: To compare impact of different anesthesia techniques on perioperative outcomes in patients undergoing lumbar spine surgery.
Summary Of Background Data: Both general anesthesia and spinal anesthesia/epidural anesthesia can be used for lumbar spine surgery. There is still much controversy that which anesthesia technique is much more suitable for lumbar spine surgery with less complications, general anesthesia or regional anesthesia.
Methods: A comprehensive search of the literature was conducted using Excerpta Medica database (EMBASE), PubMed, and Cochrane library for randomized controlled trials and independent reviewers assessed eligibility for included studies. Primary outcomes included incidences of intraoperative hypertension, hypotension, tachycardia, and bradycardia. Secondary outcomes included postoperative analgesic requirement, postoperative nausea and vomiting (PONV), headache, urinary retention, blood loss, and length of hospital stay.
Results: Ten randomized controlled trials consisting of 733 adult patients undergoing lumbar spine surgery were included. Spinal anesthesia/epidural anesthesia group had significant lower incidences of intraoperative hypertension [odds ratio (OR), 0.18; 95% confidence interval (CI), 0.08-0.38; P <0.00001; I2 =0.0%] and tachycardia (OR, 0.45; 95% CI, 0.26-0.79; P =0.006; I2 =0.0%), analgesic requirement in postanesthesia care unit (OR, 0.13; 95% CI, 0.08-0.22; P <0.00001; I2 =0.0%), PONV within 24 hours after surgery (OR, 0.27; 95% CI, 0.16-0.46; P <0.00001; I2 =6.0%), and shorter length of postoperative hospital stay (mean difference, -0.28; 95% CI, -0.37 to -0.18; P <0.00001; I2 =32.0%). There were no significant differences in incidences of intraoperative hypotension and bradycardia, PONV in postanesthesia care unit, analgesic requirement, urinary retention, and headache within 24 hours after surgery.
Conclusions: Low to moderate quality of evidence revealed that patient undergoing lumbar spine surgery might benefit from spinal or epidural anesthesia.
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