Degree of Pelvic Rotation in the Coronal Plane on Postoperative Radiographs Obtained after Total Hip Arthroplasty

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題名:	Degree of Pelvic Rotation in the Coronal Plane on Postoperative Radiographs Obtained after Total Hip Arthroplasty
作者:	廖振焜 Kuei-Lin Yeh, Tai-Yin Wu, Chiou-Shann Fuh, Chu-Song Chen, Sheng-Mou Hou, Chen-Hao Chiang, Chen-Kun Liaw
貢獻者:	生醫光機電研究所
關鍵詞:	pelvic rotation;?total hip arthroplasty;?Liaw’s anteversion;?hip osteoarthritis
日期:	2022-10
上傳時間:	2025-03-26 16:01:22 (UTC+8)
摘要:	There are many published cup anteversion measurements for postoperative total hip arthroplasty (THA), including Liaw’s, Lewinnek’s, and Murray’s methods. However, most measurements ignore the potential pelvic rotation on radiographs except in Liaw’s method. Without considering pelvic rotation, clinicians can miscalculate cup anteversion. Therefore, we aimed to quantify the mean degree of pelvic rotation. Herein, we collected 388 radiographs of 98 postoperative THA hips of 77 patients and measured pelvic rotation by measuring h, the horizontal displacement of the sacrococcygeal junction associated with the upper pole of the symphysis pubis, and ssd, the distance between the sacrococcygeal junction and pubic symphysis. The angle θ of pelvic rotation was defined as θ = arc sin (h/ssd) × (180°/π). The mean degree of pelvic rotation was then calculated. The standard deviation of h was 7.84 mm, and the mean ssd was 158 mm. The potential pelvic rotation was 2.50°. The?p-values from the paired?t-test were all >0.05 when interobserver and intraobserver errors were assessed. This is the first study to quantify the potential pelvic rotation in the coronal plane on postoperative plain radiographs. The potential pelvic rotation was too large to be neglected during the measurement of cup anteversion.
關聯:	J. Clin. Med. 2022, 11(21), 6353
描述:	【112-1 升等】臺北醫學大學教師升等專門著作職別：專任送審等級：教授著作送審
資料類型:	article
顯示於類別:	[教師升等送審著作] 112 [生醫光機電研究所] 期刊論文

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