| Effect of Bone Cement Augmentation in Pedicle Screw Fixation for Elderly Patients with Osteoporotic Lumbar Degenerative Disease |
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Tae-Yeon Won1 , Jin Woo Hur1 , Jong-Won Lee1 , Jong Ju Lee1 , Hyun Koo Lee1 , Jong Yang Oh2 |
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1Department of Neurosurgery, Cheongju Saint Mary's Hospital, Cheongju, Korea
2Department of Neurosurgery, Yeouido St. Mary's Hospital, The Catholic University of Korea, Seoul |
| 골다공증을 동반한 고령의 퇴행성 요추 질환에서 골 시멘트 보강 척추경 나사못 고정술의 임상적 효과 |
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원태연1ㆍ허진우1ㆍ이종원1ㆍ이종주1ㆍ이현구1ㆍ오종양2 |
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청주 성모병원 신경외과1, 가톨릭대학교 의과대학 성모병원 신경외과학교실2 |
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| Abstract |
Objective
The purpose of this study is to evaluate the effectiveness of pedicle screw fixation with bone cement (polymethylmethacrylate, PMMA) augmentation for osteoporotic lumbar digenerative disease in geriatric patients.
Methods
Nineteen patients’ medical records and radiographic imaging were reviewed and postoperative outcome was assessed using modified Mcnab criteria. Total laminectomy or facetectomy or discectomy, and pedicle screw fixation with PMMA augmentation through pedicle screw have been performed. Fusion with interbody cage or posterolateral bone graft or both have been performed also in all patients
Results
Eighteen patients were female. Mean age of all patients was 69.2 years old. Postoperative evaluation was assessed on second week, first month, sixth month with modified Mcnab criteria (excellent, good, fair, and poor). Mean follow up period was 8.84 months. On 7th day, 15 patients belonged to good grade and 4 patients to fair grade. On 1st month, 3 patients belonged to excellent grade, 12 patients to good grade, 3 patients to fair grade, and 1 patient to poor grade. On the 6rd months, 3 patients belonged to excellent grade, 15 patients to good grade, and 1 patient to poor grade.
Conclusion
The authors suggest that PMMA augmentation can become an helpful option to gain successful clinical outcome in case of pedicle screw fixation for osteoporotic lumbar spine. |
| Key Words:
Bone cementㆍGeriatric patientㆍOsteoporosisㆍPedicle screw |
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