Cementless Total Hip Arthroplasty in Hip Dysplasia with an Extensively Porous-Coated Cylindrical Stem Modified for Asians: A 12-Year Follow-Up Study

被引：14

作者：

Kato, Tsutomu ^{[1
,2
]}

Otani, Takuya ^{[2
]}

Sugiyama, Hajime ^{[1
,2
]}

Hayama, Tetsuo ^{[1
,2
]}

Katsumata, Souichi ^{[1
]}

Marumo, Keishi ^{[2
]}

机构：

[1] Kanagawa Rehabil Hosp, Dept Orthopaed Surg, Atsugi, Kanagawa, Japan

[2] Jikei Univ, Sch Med, Dept Orthopaed Surg, Minato Ku, Tokyo, Japan

来源：

JOURNAL OF ARTHROPLASTY | 2015年 / 30卷 / 06期

关键词：

cementless total hip arthroplasty; clinical outcome; developmental dysplasia of the hip; biological fixation; stress shielding; implant design; DEVELOPMENTAL DYSPLASIA; FEMORAL COMPONENTS; OSTEOARTHRITIS; PROSTHESIS; REPLACEMENT; JAPAN; FEMUR;

D O I：

10.1016/j.arth.2015.01.033

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：

Long-term outcomes of primary cementless total hip arthroplasty were examined for 198 hips of Asian patients with developmental dysplasia of the hip. AML stems were modified for patients' relatively small physique. Stable fixation was achieved despite various proximal femoral deformities. At follow up (mean 12.1 years), radiographs demonstrated fixation in all hips, with 100% stem survivorship. Radiographic changes revealed that the severity of stress-shielding was mild in 55% of hips, moderate in 26%, and severe in 19%. Longer follow up is needed to determine whether these changes will develop into clinical manifestations. A distal fixation stem can be a useful reconstruction option when application of a proximal fixation stem in primary total hip arthroplasty is difficult for various reasons. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：1014 / 1018

页数：5

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