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논문 기본 정보

자료유형
학술저널
저자정보
Park, Hun-Ho (Department of Neurosurgery, National Health Insurance Corporation Ilsan Hospital, Goyang, Yonsei University College of Medicine) Zhang, Ho-Yeol (Department of Neurosurgery, National Health Insurance Corporation Ilsan Hospital, Goyang, Yonsei University College of Medicine) Cho, Bo-Young (Department of Neurosurgery, National Health Insurance Corporation Ilsan Hospital, Goyang, Yonsei University College of Medicine) Park, Jeong-Yoon (Department of Neurosurgery, National Health Insurance Corporation Ilsan Hospital, Goyang, Yonsei University College of Medicine)
저널정보
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제46권 제4호
발행연도
2009.1
수록면
285 - 291 (7page)

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Objective : This study examined the change of range of motion (ROM) at the segments within the dynamic posterior stabilization, segments above and below the system, the clinical course and analyzed the factors influencing them. Methods : This study included a consecutive 27 patients who underwent one-level to three-level dynamic stabilization with Bioflex system at our institute. All of these patients with degenerative disc disease underwent decompressive laminectomy with/without discectomy and dynamic stabilization with Bioflex system at the laminectomy level without fusion. Visual analogue scale (VAS) scores for back and leg pain, whole lumbar lordosis (from L1 to S1), ROMs from preoperative, immediate postoperative, 1.5, 3, 6, 12 months at whole lumbar (from L1 to S1), each instrumented levels, and one segment above and below this instrumentation were evaluated. Results : VAS scores for leg and back pain decreased significantly throughout the whole study period. Whole lumbar lordosis remained within preoperative range, ROM of whole lumbar and instrumented levels showed a significant decrease. ROM of one level upper and lower to the instrumentation increased, but statistically invalid. There were also 5 cases of complications related with the fixation system. Conclusion : Bioflex posterior dynamic stabilization system supports operation-induced unstable, destroyed segments and assists in physiological motion and stabilization at the instrumented level, decrease back and leg pain, maintain preoperative lumbar lordotic angle and reduce ROM of whole lumbar and instrumented segments. Prevention of adjacent segment degeneration and complication rates are something to be reconsidered through longer follow up period.

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