Hip Pelvis. 2015 Dec;27(4):258-64. doi: 10.5371/hp.2015.27.4.258. Epub 2015 Dec 30.
Does the Time of Postoperative Bisphosphonate Administration Affect the Bone Union in Osteoporotic Intertrochanteric Fracture of Femur?.
Hip & pelvis
Yoon Je Cho, Young Soo Chun, Kee Hyung Rhyu, Joon Soon Kang, Gwang Young Jung, Jun Hee Lee
Affiliations
Affiliations
- Department of Orthopedic Surgery, Kyung Hee University School of Medicine, Seoul, Korea.
- Department of Orthopedic Surgery, Kyung Hee University Hospital at Gangdong, Seoul, Korea.
- Department of Orthopedic Surgery, Inha University College of Medicine, Incheon, Korea.
PMID: 27536634
PMCID: PMC4972797 DOI: 10.5371/hp.2015.27.4.258
Abstract
PURPOSE: This study was designed to investigate the effect of bisphosphonate administration starting time on bone healing and to identify the best administration time following surgical treatment of osteoporotic intertrochanteric fractures.
MATERIALS AND METHODS: Two hundreds and eighty four patients (284 hips; 52 males, 232 females) who underwent surgery following osteoporotic intertrochanteric fracture from December 2002 to December 2012 were retrospectively analyzed. The average follow-up period was 68.4 months. The patients were divided into three groups according to the time of bisphosphonate administration after operation: 1 week (group A; n=102), 1 month (group B; n=89), and 3 months (group C; n=93). Koval scores and change of Koval scores 1 year after operation were used for clinical evaluation. For radiologic evaluation, the time of callus appearance across the fracture line on sagittal and coronal radiographs and the time to absence of pain during hip motion was judged as the time of bone union.
RESULTS: Koval scores one year after surgery for groups A, B, and C were 2.44, 2.36, and 2.43 (P=0.895), respectively. The mean time of union was 12.4, 11.9, and 12.3 weeks after operation in the three groups (P=0.883), respectively. There were zero cases of nonunion. There were 3, 5, and 7 cases of fixative displacement in the three groups, respectively, but the distribution showed no significant difference (P>0.472).
CONCLUSION: The initiating time of bisphosphonate administration following surgery does not affect the clinical outcomes in patients with osteoporotic intertrochanteric fracture.
Keywords: Bisphosphonates; Bone healing; Intertrochanteric fractures; Osteoporotic fractures
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