The purpose of this study was to evaluate if wound drains could influence postoperative spinal epidural hematoma (POSEH) in biportal endoscopic spinal surgery (BESS) procedures for decompression of lumbar spinal stenosis.
How to reduce the rate of POSEH after lumbar spinal surgery is an obvious concern for spine surgeon. Wound drains were recognized as effective methods and typically used to prevent the development of symptomatic epidural hematomas after spinal surgery. However, whether range prophylactic postoperative drainage after spinal decompression for the prevention of POSEH is still controversial. Although there have been many studies focusing on the potential associations between wound drains and POSEH after lumbar spinal surgery, a prospective study focusing on the role of drains in minimally invasive surgery of BESS for lumbar spinal decompression has been rare. In present study, our team sought to investigate the influence of wound drains for POSEH and provide clinical evidence for the selection of drainage in BESS procedures for the decompression of lumbar spinal stenosis.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
89
patients who underwent two level lumbar decompression with BESS procedure received one drain.
patients who underwent two level lumbar decompression with BESS procedure received two drains
Zhonglin Zhong
Yiwu, Zhejiang, China
the cross-sectional area of POSEH
the cross-sectional area of the 72th-hour POSEH after surgery
Time frame: 24 hours after drain withdrawal
the volume of drain output
the total volume of the drain or drains
Time frame: 48 hours after surgery
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