• Int Orthop · Aug 2013

    Comparative Study

    Reoperation after lumbar disc surgery in two hundred and seven patients.

    • Jiwei Cheng, Hongwei Wang, Wenjie Zheng, Changqing Li, Jian Wang, Zhengfeng Zhang, Bo Huang, and Yue Zhou.
    • Department of Orthopaedics, Xinqiao Hospital, The Third Military Medical University, 183 Xinqiao Street, Shapingba District, Chongqing, 400037, People's Republic of China.
    • Int Orthop. 2013 Aug 1; 37 (8): 1511-7.

    PurposeThe purpose of this study was to compare the causes and characteristics of reoperations after different primary operations for lumbar disc herniation (LDH).MethodsOut of a series of 5,280 patients who underwent operations for LDH between 2001 and 2012, 207 patients (135 male and 72 female, mean age 47.7 years) underwent primary and revision operations, which were included in this study. The following clinical parameters were retrospectively assessed: the primary surgical methods, the intervals between primary and revision operations, and surgical findings in the revisions.ResultsIn total, 232 lumbar discs underwent reoperations. One hundred and nineteen reoperations were performed after microendoscopic discectomy (MED group), 68 after percutaneous endoscopic lumbar discectomy (PELD group) and 45 after open disc surgery (open group). The locations of revision operations had priority over those of primary surgery, with a moderate correlation (kappa coefficient = 0.533). A total of 46.6 % of reoperations were performed within 0.5 years after primary surgery, and 35.3 % were performed between one and five years. Real recurrent herniation (homolateral herniations at the same level) was significantly more common than other reoperative surgical findings (70.6 % in PELD group, 47.1 % in MED group, 37.8 % in open group). The overall mean interval until revision surgery was 18.9 months (8.1 months in the PELD group vs. 19.7 months in the MED group vs. 33.1 months in the open group, p < 0.01).ConclusionsFor LDH, real recurrent herniation was the most common cause of reoperations, and more reoperations for real recurrent herniations and shorter intervals were found after minimally invasive endoscopic discectomy than after open disc surgery.

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