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KMID : 0388720120190040138
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Journal of Korean Society of Spine Surgery
2012 Volume.19 No. 4 p.138 ~ p.144
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Survival Analysis of Conservative Treatement in Osteoporotic Vertebral Fracture
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Koh Young-Do
Kim Jong-Oh
Kim Rag-Gyu
Kim Dae-Youn
Kim Nam-Ki
Kim Dong-Jun
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Abstract
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Study Design: Prospective study.
Objectives: To define the prognostic factors by analyzing the survival rates of osteoporotic vertebral fracture treated by conservative management.
Summary of Literature Review: Due to an increasing elder population, many recent studies of osteoporosis have been done; pointing out that osteoporotic vertebral fracture may produce serious complications. However, there is nothing obviously demonstrated in both the management and prognosis of the osteoporotic vertebral fracture.
Materials and Methods: Survival analysis was done for 130 patients who had undergone conservative management for a single level vertebral fracture. Univariant and multivariant survival analysis was done for age at trauma, sex, body mass index (BMI), bone mineral density (BMD), smoking, diabetic history, fracture level, fracture type, vertebral compression ratio and regional Cobb’s angle.
Results: Survival rate for conservative management was 70.7%. Univariant analysis for survival rate revealed significantly inferior results for age over 78 (p=0.008), T score< -3.5 (p=0.047), and crush or biconcave type than wedge type (p=0.021). Only the age factor showed significance in multivariant analysis (p=0.025, Hazard ratio=2.08).
Conclusion: Conservative management in a single level osteoporotic vertebral fracture, showed a survival rate of 70.7% and age was the most important factor in conservative management. We should notice that age of more than 78 years is at high risk for failure in conservative management of vertebral fracture.
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KEYWORD
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Osteoporotic vertebral fracture, Conservative management, Survival analysis, Prognostic factor
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