Shock wave treatment shows dose-dependent enhancement of bone mass and bone strength after fracture of the femur

Ching Jen Wang, Kuender D. Yang, Feng Sheng Wang, Chia Chen Hsu, Hsiang Ho Chen

研究成果: 雜誌貢獻文章同行評審

76 引文 斯高帕斯(Scopus)

摘要

Shock wave treatment is believed to improve bone healing after fracture. The purpose of this study was to evaluate the effect of shock wave treatment on bone mass and bone strength after fracture of the femur in a rabbit model. A standardized closed fracture of the right femur was created with a three-point bending method in 24 New Zealand white rabbits. Animals were randomly divided into three groups: (1) control (no shock wave treatment), (2) low-energy (shock wave treatment at 0.18 mJ/mm2 energy flux density with 2000 impulses), and (3) high-energy (shock wave treatment at 0.47 mJ/mm2 energy flux density with 4000 impulses). Bone mass (bone mineral density (BMD), callus formation, ash and calcium contents) and bone strength (peak load, peak stress and modulus of elasticity) were assessed at 12 and 24 weeks after shock wave treatment. While the BMD values of the high-energy group were significantly higher than the control group (P = 0.021), the BMD values between the low-energy and control groups were not statistically significant (P = 0.358). The high-energy group showed significantly more callus formation (P < 0.001), higher ash content (P < 0.001) and calcium content (P = 0.003) than the control and low-energy groups. With regard to bone strength, the high-energy group showed significantly higher peak load (P = 0.012), peak stress (P = 0.015) and modulus of elasticity (P = 0.011) than the low-energy and control groups. Overall, the effect of shock wave treatment on bone mass and bone strength appears to be dose dependent in acute fracture healing in rabbits.

原文英語
頁(從 - 到)225-230
頁數6
期刊Bone
34
發行號1
DOIs
出版狀態已發佈 - 一月 2004
對外發佈

ASJC Scopus subject areas

  • 內分泌學、糖尿病和代謝
  • 組織學
  • 生理學

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