• World Neurosurg · Sep 2022

    Preoperative magnetic resonance imaging Abnormalities Predictive of Lumbar Herniation Recurrence following Surgical Repair.

    • Mehmet Kürşat Karadağ, Ahmet Tolgay Akıncı, Ahmet Tulgar Başak, Mehdi Hekimoğlu, Hakan Yıldırım, Göktuğ Akyoldaş, Ahmet Levent Aydın, Özkan Ateş, Tunç Öktenoğlu, Mehdi Sasani, Mehmet Yiğit Akgün, Caner Günerbüyük, and Ali Fahir Özer.
    • Neurosurgery Department, Atatürk University School of Medicine, Erzurum, Turkey.
    • World Neurosurg. 2022 Sep 1; 165: e750e756e750-e756.

    ObjectiveThere are currently no standard criteria for evaluating the risk of recurrent disk herniation after surgical repair. This study investigated the predictive values of 5 presurgical imaging parameters: paraspinal muscle quality, annular tear size, Modic changes, modified Phirrmann disk degeneration grade, and presence of sacralization or fusion.MethodsBetween 2015 and 2018, 188 patients (89 female, 99 male, median age 50) receiving first corrective surgery for lumbar disk herniation were enrolled. Microdiskectomy was performed in 161 of these patients, and endoscopic translaminar diskectomy approach was performed in 27 patients. Clinical status was evaluated before surgery and 4, 12, and 24 months post surgery using a visual analog scale, Oswestry Disability Index, and Short Form 36.ResultsRecurrent disk herniation was observed in 21 of 188 patients. Seventeen of the recurrent disk herniations were seen in those who underwent microdiskectomy and 4 in those who underwent endoscopic translaminar diskectomy. There were significant differences in visual analog scale, Oswestry Disability Index, and Short Form 36 scores at 4, 12, and 24 months between patients with recurrence and the 167 no-recurrence patients. The median annular tear length was significantly greater in patients with recurrence than without recurrence. In addition, there were significant differences in recurrence rate according to Modic change type distribution, sacralization or fusion presence, Pfirmann disk; degeneration grade distribution, dichotomized annular tear size, dichotomized Modic change; and type and simplified 3-tier muscle degeneration classification distribution.ConclusionsPatients with poor clinical scores and recurrence exhibited additional radiologic abnormalities before surgery, such as poor paraspinal muscle quality, longer annular tears, higher Modic change type, higher modified Phirrmann disk degeneration grade, and sacralization or fusion. This risk evaluation protocol may prove valuable for patient selection, surgical planning, and choice of postoperative recovery regimen.Copyright © 2022 Elsevier Inc. All rights reserved.

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