The assessment of canal flare index and proximal femoral bone density can improve stem selection for peri-prosthetic bone maintenance after total hip arthroplasty

被引:0
|
作者
Hayashi, Shinya [1 ]
Kuroda, Yuichi [1 ]
Nakano, Naoki [1 ]
Matsumoto, Tomoyuki [1 ]
Kamenaga, Tomoyuki [1 ]
Tsubosaka, Masanori [1 ]
Tachibana, Shotaro [1 ]
Kuroda, Ryosuke [1 ]
机构
[1] Kobe Univ, Grad Sch Med, Dept Orthopaed Surg, 7-5-1 Kusunoki Cho,Chuo Ku, Kobe 6500017, Japan
关键词
Total hip arthroplasty; Short tapered-wedge stem; Full hydroxyapatite-coated compaction short stem; Bone mineral density; MINERAL DENSITY; COMPONENT;
D O I
10.1007/s00402-024-05378-3
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Introduction Bone maintenance after total hip arthroplasty (THA) is important for implant success. This study aimed to investigate the relationship between patient characteristics and periprosthetic bone maintenance after THA for better implant selection. Materials and methods This retrospective cohort study enrolled 112 consecutive patients who underwent THA using full hydroxyapatite (HA) compaction with short (n = 55) or short-tapered wedge (n = 61) stems. Periprosthetic bone mineral density (BMD) was compared between the two groups after propensity score matching, and the relationship between periprosthetic BMD changes and patient background was analyzed. Results Both groups showed similar periprosthetic BMD changes after adjusting for patient background using propensity score matching. Canal flare index > 3.7 in patients that underwent THA using tapered-wedge stem (odds ratio (OR), 3.2; 95% confidence interval (CI), 1.3-7.9, p = 0.013) and baseline zone 1 BMD > 0.65 in patients that received with short HA compaction stems (OR, 430.0; 95% CI 1.3-1420, p = 0.040) were associated with proximal periprosthetic bone maintenance after THA. Conclusion Considering their predictive value, canal flare index and zone 1 BMD assessment might be useful strategies for implant selection during THA.
引用
收藏
页码:2881 / 2887
页数:7
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