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DOI: 10.1055/s-2007-993202
© Georg Thieme Verlag KG Stuttgart · New York
Microendoscopic Discectomy for Lumbar Disc Herniation with Bony Fragment Due to Apophyseal Separation
Publication History
Publication Date:
22 January 2008 (online)
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Abstract
The purpose of this study was to elucidate the feasibility of microendoscopic discectomy (MED) for the treatment of lumbar disc herniation with a bony fragment due to apophyseal separation. Eighteen patients with low back pain and unilateral sciatic pain due to lumbar disc herniation with a bony fragment were treated by MED using the unilateral approach (15 males and three females; mean age, of 28.9 years; mean follow-up period, 21.1 months); 18 age-and sex-matched patients with lumbar disc herniation without a bony fragment treated by MED served as the control group. The clinical outcomes were evaluated using the Japanese Orthopedic Association Score for Low Back Pain (JOA scores; maximum score, 29 points). Evaluation of the results revealed that good surgical outcomes equivalent to those in the control group were obtained in the subjects of LDH with a bony fragment (JOA scores; 14.1±3.5 in the patient group vs.15.4±2.6 in the control group before surgery; 26.3±1.8 in the patient group vs. 26.9±1.3 at follow-up after the surgery). Although the mean surgical time was significantly longer in the patient group, there were no intra- or postoperative complications in either group. We conclude that MED using the unilateral approach is a feasible minimally invasive surgical option for patients of lumbar disc herniation with an apophyseal bony fragment.
Key words
lumbar disc herniation - bony fragment - apophyseal separation - microendoscopic discectomy
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Correspondence
M. MatsumotoMD
Department of Orthopaedic Surgery
School of Medicine
Keio University
35 Shinanomachi
Shinjuku-ku
Tokyo 160-8582
Japan
Phone: +81/3/3353 12 11
Fax: +81/3/3353 65 97
Email: morio@sc.itc.keio.ac.jp