Minimum Five-Year Follow-Up Wear Measurement of Longevity Highly Cross-Linked Polyethylene Cup Against Cobalt-Chromium or Zirconia Heads

被引：39

作者：

Nakahara, Ichiro ^{[1
]}

Nakamura, Nobuo ^{[2
]}

Nishii, Takashi ^{[1
,3
]}

Miki, Hidenobu ^{[4
]}

Sakai, Takashi ^{[1
]}

Sugano, Nobuhiko ^{[1
,3
]}

机构：

[1] Osaka Univ, Grad Sch Med, Dept Orthopaed Surg, Suita, Osaka 5650871, Japan

[2] Kyowakai Hosp, Dept Orthopaed Surg, Osaka, Japan

[3] Osaka Univ, Grad Sch Med, Dept Orthopaed Med Engn, Suita, Osaka 5650871, Japan

[4] Osaka Natl Hosp, Dept Orthopaed Surg, Osaka, Japan

来源：

JOURNAL OF ARTHROPLASTY | 2010年 / 25卷 / 08期

关键词：

total hip arthroplasty; highly cross-linked polyethylene; zirconia; wear; osteolysis; TOTAL HIP-ARTHROPLASTY; MOLECULAR-WEIGHT POLYETHYLENE; DIAMETER FEMORAL HEADS; MECHANICAL-PROPERTIES; CLINICAL-PERFORMANCE; PHASE-TRANSFORMATION; STABILIZED ZIRCONIA; PENETRATION RATES; REPLACEMENT; OSTEOLYSIS;

D O I：

10.1016/j.arth.2009.09.006

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：

We investigated the efficacy of combining highly cross linked polyethylene with ceramic heads on further reduction in polyethylene wear compared with the combination with cobalt-chromium heads via PolyWare computer assisted method A prospective cohort study was performed on 102 cementless total hip arthroplasties using Longevity (Zimmer, Warsaw Ind) highly cross-linked polyethylene liners Either 26-mm zirconia heads or 26-mm cobalt-chromium heads were randomly used in 51 hips each At a mean follow-up of 6 7 years no significant differences were identified between the groups for total penetration rate and steady-state wear rate Osteolysis was not observed in any hips in either group In conclusion no advantage was seen for the 26 mm zirconia head compared with the 26-mm cobalt-chromium head in this period

引用

页码：1182 / 1187

页数：6

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