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- 저자 : Kotil (검색결과 4 건)
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Kadir Kotil 대한척추외과학회 2014 Asian Spine Journal Vol.8 No.4
Purely extradural giant lumbar schwannomas are rare lesions. Classification of these tumors is performed according to the sizes and spills and is named the modified Sridhar’s classification. The management of these tumors has traditionally been performed by combined antero-posterior large or two-stage exposures. This combined exposure has many disadvantages. Recent reports have demonstrated the safety and efficacy of removal of these tumors using mini-open micro surgical resection for the schwannomas, but the safety and efficacy have not been established for extremely large giant tumors. We report a case of a giant L4 dumb-bell schwannoma successfully resected through a mini-open micro surgical resection. These neoplasms can be safely and effectively treated with mini-open techniques. Reduction in blood loss, hospitalization, and tissue disruption may be potential benefits of this approach. We discuss the technical details of this surgical approach along with the limitations and possible complications. In addition, this study is included in the current schwannoma (Kotil) classification.
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Kadir Kotil 대한척추외과학회 2016 Asian Spine Journal Vol.10 No.3
Study Design: A review of clinical and radiological outcomes of lumbar laminoplasty (LL) for the treatment of isthmic spondylolisthesis (ISL). Purpose: The single session performance of posterior lumbar interbody fusion with allograft in the anterior column and providing the realignment of the vertebrae was presented as a preliminary report earlier. Overview of Literature: Long-term surgical outcome of cervical laminoplasty in patients has been reported. But, outcome of LL in patients is unclear. Methods: The long-term (5 years) year follow-up results of the LL technique are reported in this retrospective study. All patients underwent preoperative and postoperative direct X-ray, computed tomography, and magnetic resonance imaging. The patients that did not respond to conservative treatment were operated. Twenty-one (52.5%) female and 19 (47.5%) male patients were included. Results: Mean age was 43,5 years (ranges, 22–57 years). The most common symptoms were low back pain (89%), pelvic and leg pain (69%) and reduction in walking distance (65%). A total of 180 pedicle screws were inserted in 40 patients; posterior lumbar interbody fusion and laminoplasty with reduction was performed in 20 patients for L4–L5, 12 patients for L5–S1, 4 patients for L3– L4–L5 and 4 patients for L4–L5-S1. Ten (25%) patients with ILL had accompanying spinal stenosis. The difference between preoperative and postoperative sagittal plane rotation and dislocation degrees and disc space heights were statistically significant in all patients (p <0.05). Solid grade 4 fusion was observed in 38 patients; in only 2 patients grade 2 pseudoarthrosis developed (5%), but these patients were asymptomatic. Visual analog scale, Prolo economical and functional scale was examined with an average followup 5.5 years. Conclusions: LL technique has the advantages of shorter duration of operation, lack of graft donor site complications, protection of posterior column osseoligamentous structures and achievement of high fusion rates in one session.
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Kadir Kotil 대한척추외과학회 2016 Asian Spine Journal Vol.10 No.6
Study Design: A prospective clinical series with prospectively collected data. Purpose: The efficacy of using closed suction drains (CSD) after single-level lumbar disc surgery was evaluated. Postoperative CSD are regularly fitted to prevent postoperative epidural hematomas (EH) after multilevel lumbar decompression, although it remains unclear whether CSD also reduces postoperative EH following single-level lumbar disc surgery. Overview of Literature: Few articles have addressed the clinical outcome in patients with single-level lumbar disc disease who were treated by two different operative methods (with and without drainage). Methods: Between 2012 and 2014, 115 patients with a single level discectomy underwent two surgical procedures: with CSD (group A, 60 cases) and without CSD (group B, 55 cases). There were no significant differences in age, sex, segment level, herniation type, or disease duration between the groups. Wound infection, EH, and epidural fibrosis (EF) were evaluated by magnetic resonance imaging. Pain intensity was evaluated using the visual analog scale (VAS) and Oswestry disability index (ODI). Reduction in analgesic treatment and patient satisfaction were also recorded. Results: The overall rate of postoperative EH was 5% and 16.3% in group A and B, respectively, whereas the rate of postoperative EF was 11.6% in group A and 21.8% in group B. The postoperative VAS score was 0.32 (standard deviation [SD], 0.45) for group A and 2.62 (SD, 06.9) for group B, whereas ODI was 9.11 (SD, 0.68) and 8.23 (SD, 0.78) for group A and and group B, respectively, with no significant differences observed. Conclusions: In patients operated on by unilateral, single-level lumbar disc surgery, the use of suction CSD into the operation site results in lower levels of EH and EF radiologically, thereby providing a better clinical outcome.
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