Journal
GLOBAL SPINE JOURNAL
Volume 13, Issue 7, Pages 1856-1864Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/21925682211054040
Keywords
disc herniation; lumbar; discectomy; sciatica; nonoperative
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Delayed surgery leads to inferior clinical outcomes in patients with chronic sciatica, while early surgery significantly improves leg pain, disability index, physical health component, and back pain.
Objectives: To compare the effect of delaying surgery on clinical outcome in patients with chronic sciatica secondary to lumbar disc herniation. Methods: Patients with sciatica lasting 4-12 months and lumbar disc herniation at the L4-L5 or L5-S1 level were randomized to undergo microdiscectomy (early surgery) or to receive 6 months of nonoperative treatment followed by surgery if needed (delayed surgery). Outcomes were leg pain, Oswestry Disability Index score (ODI), back pain, SF-36 physical component (PCS) and mental component (MCS) summary scores, employment, and satisfaction measured preoperatively and at 6 weeks, 3 months, 6 months, and 1 year after surgery. Results: Of the 64 patients in the early surgery group, 56 underwent microdiscectomy an average of 3 +/- 2 weeks after enrollment. Of the 64 patients randomized to nonoperative care, 22 patients underwent delayed surgery an average of 53 +/- 24 weeks after enrollment. The early surgery group experienced less leg pain than the delayed surgery group, which was the primary outcome, at 6 months after surgery (early surgery 2.8 +/- .4 vs delayed surgery 4.8 +/- .7; difference, 2.0; 95% confidence interval, .5-3.5). The overall estimated mean difference between groups significantly favored early surgery for leg pain, ODI, SF36-PCS, and back pain. The adverse event rate was similar between groups. Conclusions: Patients presenting with chronic sciatica treated with delayed surgery after prolonging standardized non-operative care have inferior outcomes compared to those that undergo expedited surgery.
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