Is Decompression and Partial Discectomy Advantageous Over Decompression Alone in Microendoscopic Decompression Of Monosegmental Unilateral Lumbar Recess Stenosis?

被引:9
作者
Burkhardt, Benedikt W.
Oertel, Joachim M.
机构
[1] Saarland Univ, Med Ctr, Dept Neurosurg, Homburg, Germany
[2] Saarland Univ, Fac Med, Homburg, Germany
关键词
decompression; discectomy; endoscopy; lateral recess stenosis; lumbar spine; minimally invasive surgery; tubular retractor; LATERAL RECESS; SPINAL STENOSIS; SURGICAL-TREATMENT; ENDOSCOPIC DECOMPRESSION; BIOMECHANICAL EVALUATION; TRANSFORAMINAL APPROACH; INTERLAMINAR APPROACH; BILATERAL LAMINOTOMY; DISC HERNIATION; SURGERY;
D O I
10.14444/8013
中图分类号
R61 [外科手术学];
学科分类号
摘要
Background: Endoscopic techniques are well accepted as surgical technique for decompression of lumbar lateral recess stenosis (LRS). It is uncertain if there is a difference in clinical outcome for decompression alone (DA) or decompression with partial discectomy (DPD) for the treatment of LRS. Methods: All files of patients who underwent an endoscopic procedure for lumbar LRS were identified from a prospectively collected database. Preoperative magnetic resonance imaging and endoscopic video were analyzed with special focus on the technique of nerve root decompression. Clinical outcome was assessed via a personal examination, a standardized questionnaire including the numeric rating scale (NRS) for leg and back pain, the Oswestry disability index (ODI), and the modified MacNab criteria to assess functional outcome and clinical success. Results: Sixty-six patients were identified of which 57 attended for evaluation (86.4%). DA was performed in 15 (26.3%) patients and DPD in 42 patients (73.7%). The mean follow-up was 45.0 months (range: 16-82 months). Fifty-two patients reported to be free of leg pain (91.1%), 42 patients had no noticeable back pain (73.7%), 49 patients had full muscle strength (85.9%), and 48 patients had no sensory disturbance (84.2%). The mean NRS for leg pain was 1, the mean NRS for back pain was 2, mean ODI was 16% (range: 0%-60%). Clinical success was noted in 49 patients (85.9%) and it was significantly higher for patients following DPD (P = .024). The overall repeat procedure rate was 12% with reoperation rate at the index segment in 10.5% of cases. There were no significant differences with respect to leg and back pain, ODI, and reoperation between both groups. Conclusion: Microendoscopic DPD of LRS achieves a 92% clinical success rate which is significantly higher compared to 67% clinical success achieved by DA. There was no significant difference for the rate of reoperation, leg and back pain, and ODI.
引用
收藏
页码:94 / 104
页数:11
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