• World Neurosurg · Sep 2019

    An affordable and feasible technique for minimally invasive tubular lumbar discectomy.

    • Rubén E Flores, Jesús Q Beltrán, and Elizabeth Ogando-Rivas.
    • Department of Neurosurgery, Hospital General de Zona No.7 IMSS, Monclova, Mexico; Hospital Saint Marie, Monclova, Mexico.
    • World Neurosurg. 2019 Sep 1; 129: 378-385.

    BackgroundThe benefits of minimally invasive spine surgery are attainable only if hospitals have the financial resources to acquire essential equipment. We present a surgical approach readily available to countries where unacceptably expensive materials are the main limitation for use of minimally invasive spine surgery.MethodsThis retrospective study included 30 patients who underwent minimally invasive spine surgery using syringes as dilators and retractors for posterior lumbar approaches. Inclusion criteria were lumbar radicular/back pain, degenerative disc, spondylolysis, unilateral approach, and maximum of 2 affected spine levels. Demographic characteristics, affected radicular level, diagnosis, type and length of surgery, hospital length of stay, MacNab criteria, complications, and resumption of daily activities were analyzed.ResultsOf 30 patients, 17 (56.6%) presented with S1 radicular pain. Pain was mainly due to posterolateral hernia (70%; n = 21) requiring 1-level discectomy. In 6 patients (20%), discectomy and an interspinous process device were required. One patient (3.33%) underwent 2-level discectomy. All surgeries were performed using syringes as dilators and retractors. Maximum syringe diameter used was 2 cm (20-mL syringes) in 29 patients (96.6%) and 3 cm (60-mL syringe) in 1 patient. Average length of surgery was 1.5 hours, and average hospital stay was 1.8 days. Based on MacNab criteria, excellent, good, and fair outcomes were achieved in 25 patients (83%), 3 patients (10%), and 2 patients (6.7%). Complications were observed in 5 patients (16.7%).ConclusionsThis is a safe and feasible technique with excellent results obtained at low cost and is becoming an attractive surgical option in developing countries.Copyright © 2019 Elsevier Inc. All rights reserved.

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