三维CT在PSI辅助初次人工膝关节表面置换术前截骨计划中的应用
【目的】探讨借助三维CT的术前规划在个性化手术工具(PSI)辅助初次人工膝关节表面置换中的应 用。【方法】54位患膝骨关节炎的患者依据随机、 “双盲”的方法分为传统工具(CI)组和PSI组,每组27位患者,进 行初次膝关节表面置换术。两组术前根据三维图像及截骨数据来选取假体大小。PSI组胫骨平台假体的旋转定 位依据形合度匹配,并允许假体边缘在一些部位有限超出截骨面边缘。CI组术中依据传统方法进行测量和截 骨。比较两组患者手术时间,调整假体大小的例次,后髁截骨量,术后X线平片情况,术后3个月、1年AKS评 分。【结果】两组手术时间无统计学差异;PSI组术中无需调整假体大小;CI组有8例...
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Main Authors: | 崔凤金, 武明鑫, 白印伟, 谢海清 |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
2018-01-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
Subjects: | |
Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43568477/ |
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