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下肢步进摄影获取下肢全长片的精确与可靠性(英文)

Accuracy and reliability of peripheral stepping angiography for full lower extremity alignment measurement
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摘要 背景:精确和可靠的下肢全长片在胫骨高位截骨和膝关节置换前准备和置换后评估中都非常重要。目的:通过下肢步进摄影一次性曝光成像方法获取下肢全长片,并对其进行测量分析。方法:对 13 例膝骨性关节炎伴膝内翻患者进行站立位和平卧位的下肢步进摄影获取下肢全长片,由骨科医师在 X 射线底片上用量角器测量下肢力线角,由放射科医师在计算机屏幕上进行下肢力线角的测量。对所得数据进行差异对比和相关系数研究。结果与结论:应用下肢步进摄影法一次曝光所得的 X 射线下肢全长片具有较高的精确性和可靠性,手工测量和计算机辅助测量有很好的相关性 (r=0.638-0.975)。说明下肢步进摄影获取下肢全长片是一种快捷,简便而有效的检查方法。 BACKGROUND: Accurate and reliable measurement of full lower extremity alignment is very important for preoperative planning and postoperative assessment in corrective knee surgery such as high tibial osteotomies and arthroplasties. OBJECTIVE: To discuss the effectiveness of peripheral stepping angiography disposable exposure imaging method for full lower extremity alignment measurement.METHODS: The full lower extremity alignment images of 13 patients suffered from knee osteoarthritis and varus were obtained by the peripheral stepping angiography. Two ways of images were taken, standing and supine position. Orthopedic surgeons measured the angle of limb alignment using a protractor on hard-copy X-ray radiographs, while radiologists measured the angle of limb alignment on the computer screen. Differences and the correlation coefficient research between the data were performed. RESULTS AND CONCLUSION: The peripheral stepping angiography disposable exposure imaging method for full lower extremity alignment measurement had high accuracy and reliability, and there was good correlation between manual measurement and computer-assisted digital image measurement (r=0.638-0.975). Peripheral stepping angiography for full lower extremity alignment measurement is a fast, easy, convenient and effective examination method.
出处 《中国组织工程研究》 CAS CSCD 2013年第4期639-646,共8页 Chinese Journal of Tissue Engineering Research
关键词 骨关节植入物 骨与关节图像与影像 下肢步进摄影 下肢全长片 下肢力线角 测量 精确性 可靠性 胫骨高位截骨 膝关节置换 膝骨性关节炎 bone and joint implants photographs and images of bone and joint lower limb steppingphotography leg full-length piece limb alignment angle measurement accuracy reliability high tibial osteotomy knee joint replacement knee osteoarthritis
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参考文献26

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