Comparison between microendoscopic laminectomy and open posterior decompression surgery for two-level lumbar spinal stenosis: a multicenter retrospective cohort study

Abstract Background Excellent surgical outcomes of microendoscopic laminectomy (MEL) have been reported for patients with lumbar spinal canal stenosis (LSCS). However, few reports have directly compared MEL with open laminectomy for multi-level LSCS. This study conducted a comparative analysis of pa...

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Main Authors: Hideki Nakamoto, Junya Miyahara, Hiroyuki Nakarai, So Kato, Yuki Taniguchi, Naohiro Kawamura, Akiro Higashikawa, Yujiro Takeshita, Masayoshi Fukushima, Takashi Ono, Nobuhiro Hara, Hiroki Iwai, Sakae Tanaka, Yasushi Oshima
Format: Article
Language:English
Published: BMC 2024-11-01
Series:BMC Musculoskeletal Disorders
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Online Access:https://doi.org/10.1186/s12891-024-08090-w
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author Hideki Nakamoto
Junya Miyahara
Hiroyuki Nakarai
So Kato
Yuki Taniguchi
Naohiro Kawamura
Akiro Higashikawa
Yujiro Takeshita
Masayoshi Fukushima
Takashi Ono
Nobuhiro Hara
Hiroki Iwai
Sakae Tanaka
Yasushi Oshima
author_facet Hideki Nakamoto
Junya Miyahara
Hiroyuki Nakarai
So Kato
Yuki Taniguchi
Naohiro Kawamura
Akiro Higashikawa
Yujiro Takeshita
Masayoshi Fukushima
Takashi Ono
Nobuhiro Hara
Hiroki Iwai
Sakae Tanaka
Yasushi Oshima
author_sort Hideki Nakamoto
collection DOAJ
description Abstract Background Excellent surgical outcomes of microendoscopic laminectomy (MEL) have been reported for patients with lumbar spinal canal stenosis (LSCS). However, few reports have directly compared MEL with open laminectomy for multi-level LSCS. This study conducted a comparative analysis of patient-reported outcomes (PROs) and perioperative complications in patients undergoing two-level posterior decompression for LSCS by MEL versus open laminectomy. Methods This multicenter retrospective cohort study involved prospectively registered patients who underwent two-level posterior lumbar decompression surgery for LSCS at one of eight high-volume spine centers between April 2017 and February 2020. Chart sheets were used to prospectively evaluate demographic data, including diagnosis, operative procedure, operation time, estimated blood loss, and perioperative complications. The PROs evaluated were the numerical rating scale (NRS) score for lower back pain and leg pain, 12-item Short Form Health Survey (SF-12) score, EuroQol 5-Dimension (EQ-5D) score, Oswestry Disability Index (ODI) score, and patient satisfaction with the treatment. Results Of the 882 patients enrolled, 410 underwent MEL (MEL group) and 472 underwent open decompression (open group). A total of 667 (75.6%) patients completed the 1-year follow-up. Intraoperative blood loss was significantly lower in the MEL group than in the open group. The complication rate was comparable (12.4% in MEL group, 12.5% in open group). Although the revision rate did not differ significantly, the incidence of surgical site infection (SSI) was markedly lower in the MEL group (0.0% in MEL group, 1.3% in open group). Propensity score matching was employed to compare 333 patients who underwent MEL with 333 patients who underwent open laminectomy. Intraoperative blood loss was significantly lower in the matched MEL group than in the matched open group. The incidence of SSI was markedly lower in the matched MEL group (0.0% in matched MEL group, 1.2% in matched open group). No significant differences in the preoperative and postoperative values of the PROs or patient satisfaction were observed between the two groups. Conclusions MEL required an equivalent operating time and resulted in less intraoperative blood loss compared with laminectomy in two-level procedures. The incidence of SSI was significantly lower in the MEL group.
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spelling doaj-art-c3cdb5c656c7403891ca640159eb52ae2025-08-20T02:08:15ZengBMCBMC Musculoskeletal Disorders1471-24742024-11-012511710.1186/s12891-024-08090-wComparison between microendoscopic laminectomy and open posterior decompression surgery for two-level lumbar spinal stenosis: a multicenter retrospective cohort studyHideki Nakamoto0Junya Miyahara1Hiroyuki Nakarai2So Kato3Yuki Taniguchi4Naohiro Kawamura5Akiro Higashikawa6Yujiro Takeshita7Masayoshi Fukushima8Takashi Ono9Nobuhiro Hara10Hiroki Iwai11Sakae Tanaka12Yasushi Oshima13Department of Orthopaedic Surgery, The University of Tokyo HospitalDepartment of Orthopaedic Surgery, The University of Tokyo HospitalDepartment of Orthopaedic Surgery, The University of Tokyo HospitalDepartment of Orthopaedic Surgery, The University of Tokyo HospitalDepartment of Orthopaedic Surgery, The University of Tokyo HospitalUniversity of Tokyo Spine Group (UTSG)University of Tokyo Spine Group (UTSG)University of Tokyo Spine Group (UTSG)University of Tokyo Spine Group (UTSG)University of Tokyo Spine Group (UTSG)University of Tokyo Spine Group (UTSG)University of Tokyo Spine Group (UTSG)Department of Orthopaedic Surgery, The University of Tokyo HospitalDepartment of Orthopaedic Surgery, The University of Tokyo HospitalAbstract Background Excellent surgical outcomes of microendoscopic laminectomy (MEL) have been reported for patients with lumbar spinal canal stenosis (LSCS). However, few reports have directly compared MEL with open laminectomy for multi-level LSCS. This study conducted a comparative analysis of patient-reported outcomes (PROs) and perioperative complications in patients undergoing two-level posterior decompression for LSCS by MEL versus open laminectomy. Methods This multicenter retrospective cohort study involved prospectively registered patients who underwent two-level posterior lumbar decompression surgery for LSCS at one of eight high-volume spine centers between April 2017 and February 2020. Chart sheets were used to prospectively evaluate demographic data, including diagnosis, operative procedure, operation time, estimated blood loss, and perioperative complications. The PROs evaluated were the numerical rating scale (NRS) score for lower back pain and leg pain, 12-item Short Form Health Survey (SF-12) score, EuroQol 5-Dimension (EQ-5D) score, Oswestry Disability Index (ODI) score, and patient satisfaction with the treatment. Results Of the 882 patients enrolled, 410 underwent MEL (MEL group) and 472 underwent open decompression (open group). A total of 667 (75.6%) patients completed the 1-year follow-up. Intraoperative blood loss was significantly lower in the MEL group than in the open group. The complication rate was comparable (12.4% in MEL group, 12.5% in open group). Although the revision rate did not differ significantly, the incidence of surgical site infection (SSI) was markedly lower in the MEL group (0.0% in MEL group, 1.3% in open group). Propensity score matching was employed to compare 333 patients who underwent MEL with 333 patients who underwent open laminectomy. Intraoperative blood loss was significantly lower in the matched MEL group than in the matched open group. The incidence of SSI was markedly lower in the matched MEL group (0.0% in matched MEL group, 1.2% in matched open group). No significant differences in the preoperative and postoperative values of the PROs or patient satisfaction were observed between the two groups. Conclusions MEL required an equivalent operating time and resulted in less intraoperative blood loss compared with laminectomy in two-level procedures. The incidence of SSI was significantly lower in the MEL group.https://doi.org/10.1186/s12891-024-08090-wMulticenter retrospective cohort studyMicroendoscopic laminectomyPatient-reported outcomesComplications
spellingShingle Hideki Nakamoto
Junya Miyahara
Hiroyuki Nakarai
So Kato
Yuki Taniguchi
Naohiro Kawamura
Akiro Higashikawa
Yujiro Takeshita
Masayoshi Fukushima
Takashi Ono
Nobuhiro Hara
Hiroki Iwai
Sakae Tanaka
Yasushi Oshima
Comparison between microendoscopic laminectomy and open posterior decompression surgery for two-level lumbar spinal stenosis: a multicenter retrospective cohort study
BMC Musculoskeletal Disorders
Multicenter retrospective cohort study
Microendoscopic laminectomy
Patient-reported outcomes
Complications
title Comparison between microendoscopic laminectomy and open posterior decompression surgery for two-level lumbar spinal stenosis: a multicenter retrospective cohort study
title_full Comparison between microendoscopic laminectomy and open posterior decompression surgery for two-level lumbar spinal stenosis: a multicenter retrospective cohort study
title_fullStr Comparison between microendoscopic laminectomy and open posterior decompression surgery for two-level lumbar spinal stenosis: a multicenter retrospective cohort study
title_full_unstemmed Comparison between microendoscopic laminectomy and open posterior decompression surgery for two-level lumbar spinal stenosis: a multicenter retrospective cohort study
title_short Comparison between microendoscopic laminectomy and open posterior decompression surgery for two-level lumbar spinal stenosis: a multicenter retrospective cohort study
title_sort comparison between microendoscopic laminectomy and open posterior decompression surgery for two level lumbar spinal stenosis a multicenter retrospective cohort study
topic Multicenter retrospective cohort study
Microendoscopic laminectomy
Patient-reported outcomes
Complications
url https://doi.org/10.1186/s12891-024-08090-w
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