Journal
BONE & JOINT JOURNAL
Volume 97B, Issue 10, Pages 1395-1404Publisher
BRITISH EDITORIAL SOC BONE JOINT SURGERY
DOI: 10.1302/0301-620X.97B10.35724
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The aim of this study was to determine whether obesity affects pain, surgical and functional outcomes following lumbar spinal fusion for low back pain (LBP). A systematic literature review and meta-analysis was made of those studies that compared the outcome of lumbar spinal fusion for LBP in obese and non-obese patients. A total of 17 studies were included in the meta-analysis. There was no difference in the pain and functional outcomes. Lumbar spinal fusion in the obese patient resulted in a statistically significantly greater intra-operative blood loss (weighted mean difference: 54.04 ml; 95% confidence interval (Cl) 15.08 to 93.00; n = 112; p = 0.007) more complications (odds ratio: 1.91; 95% Cl 1.68 to 2.18; n = 43858; p < 0.001) and longer duration of surgery (25.75 mins; 95% Cl 15.61 to 35.90; n = 258; p < 0.001). Obese patients have greater intraoperative blood loss, more complications and longer duration of surgery but pain and functional outcome are similar to non-obese patients. Based on these results, obesity is not a contraindication to lumbar spinal fusion.
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