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Journal of Trauma and Injury 2014;27(4):186-191.
Pain Relief and Associated Factors after a Kyphoplasty for Treating an Osteoporotic Vertebral Compression Fracture
Young Do Koh, Dong Jin Kim
Department of Orthopedic Surgery, School of Medicine, Ewha Womans University, Seoul, Korea. ydkoh@ewha.ac.kr
골다공증성 척추 압박 골절에서 풍선 척추 성형술 후 통증의 호전 및 관련 요인에 대한 분석
고영도, 김동진
이화여자대학교 의과대학 이대목동병원 정형외과
Received: 17 October 2014   • Revised: 7 November 2014   • Accepted: 8 November 2014
Abstract
PURPOSE
The objectives of this study were to assess pain relief according to the time after kyphoplasty and to evaluate the factors affecting pain relief after kyphoplasty in the treatment of a single-level osteoporotic vertebral compression fracture.
METHODS
A retrospective review of 34 kyphoplasties for single-level osteoporotic vertebral compression fractures was performed. Pain relief was assessed by using the visual analogue scale (VAS) at preoperatively and postoperatively at 6 weeks, 3 months, and 6 months. Associated factors, including age, sex, pain duration, bone mineral density, and cement leakage, were evaluated using the patients' medical records. Statistical analyses were conducted using the paired t-test to assess pain relief and using the independent t-test and Pearson's correlation coefficient to evaluate the relationship between those factors and pain relief.
RESULTS
Preoperatively, the mean VAS score was 7.06. Postoperatively, it declined to 3.66 (p=0.001), 2.81 (p=0.001) and 2.24 (p=0.001) at 6 weeks, 3 months and 6 months, respectively. Also, statistically significant pain relief was observed during the periods from 6 weeks to 3 months (p=0.001) and from 3 months to 6 months (p=0.001). However, reduction of the VAS score showed no significant correlation with age, sex, pain duration, bone mineral density, or cement leakage (p>0.05).
CONCLUSION
Our study suggests that a kyphoplasty may be effective in osteoporotic vertebral compression fracture patients with acute pain and that after the kyphoplasty, pain is reduced remarkably for 6 weeks and then continuously for 6 months.
Key Words: Osteoporosis; Compression fracture; Kyphoplasty
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