期刊
IN VIVO
卷 36, 期 2, 页码 643-648出版社
INT INST ANTICANCER RESEARCH
DOI: 10.21873/invivo.12748
关键词
LIPUS; bone defect; 3D analysis; micro CT; rat tibia
资金
- Ministry of Education, Science, and Culture of Japan [16K20449]
- Grants-in-Aid for Scientific Research [16K20449] Funding Source: KAKEN
This study evaluated the effect of low-intensity pulsed ultrasound (LIPUS) on bone metabolism during the healing period of rat tibial bone defects. The results showed that LIPUS stimulation can prevent bone loss.
Background/Aim: The aim of this study was to evaluate the effect of low-intensity pulsed ultrasound (LIPUS) on bone metabolism during the healing period in rat tibiae bone defects using micro???computed tomography (micro CT) imaging for three-dimensional morphological evaluation. Materials and Methods: The right tibia received ultrasound exposure (US group) every day, whereas the opposite side served as a control (Control group). At 1, 2, and 3 weeks after the operation, micro CT was performed, and the volume and surface area of new bone formation in the bone defects was evaluated three-dimensionally. Results: Bone volume (BV) and bone surface (BS) in the tibiae of both the US and Control groups demonstrated the highest values 1 week after the operation, with no significant differences between the groups. At 2 weeks after the operation, the BV and BS values in both groups had decreased, but the decrease was smaller in the US group than the Control group. At 3 weeks after the operation, the BV and BS values in the Control group were significantly lower than those in the US group. Conclusion: LIPUS stimulation can prevent bone loss during the healing of bone defects.
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