{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T22:07:21Z","timestamp":1790892441849,"version":"4.1.0"},"reference-count":40,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,4]]},"abstract":"\n OBJECTIVE<\/jats:title>\n Minimally invasive lumbar unilateral tubular laminotomy for bilateral decompression has gradually gained acceptance as a less destabilizing but efficacious and safe alternative to traditional open decompression techniques. The authors have further advanced the principles of minimally invasive surgery (MIS) by utilizing working-channel endoscope\u2013based techniques. Full-endoscopic technique allows for high-resolution off-axis visualization of neural structures within the lateral recess, thereby minimizing the need for facet joint resection. The relative efficacy and safety of MIS and full-endoscopic techniques have not been directly compared.<\/jats:p>\n <\/jats:sec>\n \n METHODS<\/jats:title>\n A retrospective analysis of 95 consecutive patients undergoing either MIS (n = 45) or endoscopic (n = 50) unilateral laminotomies for bilateral decompression in cases of lumbar spinal stenosis was performed. Patient demographics, operative details, clinical outcomes, and complications were reviewed.<\/jats:p>\n <\/jats:sec>\n \n RESULTS<\/jats:title>\n The patient cohort consisted of 41 female and 54 male patients whose average age was 62 years. Half of the patients had single-level, one-third had 2-level, and the remaining patients had 3- or 4-level procedures. The surgical time for endoscopic technique was significantly longer per level compared to MIS (161.8 \u00b1 6.8 minutes vs 99.3 \u00b1 4.6 minutes; p < 0.001). Hospital stay for MIS patients was on average 2.4 \u00b1 0.5 days compared to 0.7 \u00b1 0.1 days for endoscopic patients (p = 0.001). At the 1-year follow-up, endoscopic patients had a significantly lower visual analog scale score for leg pain than MIS patients (1.3 \u00b1 0.3 vs 3.0 \u00b1 0.5; p < 0.01). Moreover, the back pain disability index score was significantly lower in the endoscopic cohort than in the MIS cohort (20.7 \u00b1 3.4 vs 35.9 \u00b1 4.1; p < 0.01). Two patients in the MIS group (epidural hematoma) and one patient in the endoscopic group (disc herniation) required a return to the operating room acutely after surgery (< 14 days).<\/jats:p>\n <\/jats:sec>\n \n CONCLUSIONS<\/jats:title>\n Lumbar endoscopic unilateral laminotomy for bilateral decompression is a safe and effective surgical procedure with favorable complication profile and patient outcomes.<\/jats:p>\n <\/jats:sec>","DOI":"10.3171\/2018.9.spine18689","type":"journal-article","created":{"date-parts":[[2019,2,26]],"date-time":"2019-02-26T20:12:12Z","timestamp":1551211932000},"page":"491-499","source":"Crossref","is-referenced-by-count":77,"title":["Comparison of clinical outcomes following minimally invasive or lumbar endoscopic unilateral laminotomy for bilateral decompression"],"prefix":"10.3171","volume":"30","author":[{"given":"Lynn B.","family":"McGrath","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabrielle A.","family":"White-Dzuro","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christoph P.","family":"Hofstetter","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"b1","series-title":"J Neurosurg Spine","doi-asserted-by":"publisher","first-page":"339","DOI":"10.3171\/2014.11.SPINE13597","article-title":"Minimally invasive laminectomy for lumbar spinal stenosis in patients with and without preoperative spondylolisthesis: clinical outcome and reoperation rates","volume":"22","author":"Alimi M","year":"2015","unstructured":"Alimi M, Hofstetter CP, Pyo SY, Paulo D, H\u00e4rtl R: Minimally invasive laminectomy for lumbar spinal stenosis in patients with and without preoperative spondylolisthesis: clinical outcome and reoperation rates. 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