The accuracy of an accelerometer-based portable navigation system for total hip arthroplasty using 3D CT measurement in the supine position: a prospective multicenter study

Yukihide Minoda,Masayuki Ito,Kentaro Iwakiri,Katsufumi Uchiyama,Masashi Kawasaki,Akio Kanda,Tetsuya Jinno,Ryo Sugama,Daisuke Chiba,Masahiro Hasegawa,Takaaki Fujishiro

Journal of Joint Surgery and Research（2023）

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摘要

•This multicenter prospective study evaluated the accuracy of the navigation system.•324 THAs using supine position in 9 hospitals were prospectively enrolled.•Cup alignment was measured on postoperative 3D-CT images.•The accuracy was 3 ± 3°for cup inclination and 3 ± 3° for cup anteversion.•The patients' factor, surgical factor, or pelvic movement did not affect the accuracy.

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关键词

Accelerometer-based portable navigation system,Total hip arthroplasty,Supine position,Accuracy

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