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World Neurosurg. 2018 Jun;114:391-407.e2. doi: 10.1016/j.wneu.2018.02.156. Epub 2018 Mar 14.

Operative Approaches for Lumbar Disc Herniation: A Systematic Review and Multiple Treatment Meta-Analysis of Conventional and Minimally Invasive Surgeries.

Author information

1
Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota, USA; Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA.
2
Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota, USA; Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA. Electronic address: mohamad.bydon@gmail.com.

Abstract

BACKGROUND:

Minimally invasive surgery (MIS) techniques have emerged as viable and safe alternatives for lumbar disc herniation, including percutaneous discectomy, percutaneous endoscopic discectomy, and tubulardiscectomy (TD). We present here a systematic review and a multiple-treatment meta-analysis evaluating the operative outcomes and patient-reported outcomes of open/microdiscectomy (OD/MD) and all MIS approaches for lumbar disc herniation.

METHODS:

The PICO approach and PRISMA (i.e., Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines were followed to query existing online databases since their inception to 2016, which yielded 14 studies after we applied the inclusion/exclusion criteria. The Cochrane Collaboration's tool for assessing risk of bias in randomized trials was used to assess the risk of bias in each study was used to assess the risk of bias in each study. Each outcome was assessed across all studies with the GRADE (i.e., Grading of Recommendations, Assessment, Development and Evaluations) criteria.

RESULTS:

There were 1707 patients analyzed, with 782 (45.81%) undergoing OD/MD, 491 (28.76%) undergoing TD, 199 (11.65%) undergoing percutaneous endoscopic discectomy, and 235 (13.76%) patients undergoing percutaneous discectomy. TD was found to be associated with significantly worse Oswestry Disability Index scores (mean difference 1.17, P = 0.03) whereas OD/MD was associated with worse Oswestry Disability Index scores compared with all other approaches (mean difference 2.61, P = 0.03), significantly longer duration of stay (mean difference 2.96, P = 0.04), and more blood loss (mean difference 30.53, P < 0.001). In terms of complications, TD was found to be associated with a greater rate of overall complications (odds ratio [OR] 1.49, P = 0.002), greater incidence of dural tears (OR 1.72 P = 0.04), and recurrent herniation (OR 2.09, P = 0.0007). Finally, OD/MD was associated with significantly lower incidence of revision surgery (OR 0.53, P = 0.0007).

CONCLUSIONS:

Our meta-analysis revealed that tubular-discectomy and percutaneous-endoscopic-discectomy, the most commonly employed MIS techniques for discectomy, can be used as safe alternatives for open discectomy depending on the preference of the operating surgeon.

KEYWORDS:

Disc herniation; Discectomy; Minimally invasive surgery; Open surgery; Patient-reported outcomes; Spine surgery; Surgical outcomes

PMID:
29548960
DOI:
10.1016/j.wneu.2018.02.156
[Indexed for MEDLINE]

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