Radiological evaluation of cemented acetabular component in primary total hip arthroplasty with or without interface bioactive bone cement technique

Journal of Joint Surgery and Research Pub Date : 2023-12-01 DOI:10.1016/j.jjoisr.2023.10.003

Kazutaka Watanabe , Takkan Morishima , Hiromi Otsuka , Tatsunori Ikemoto , Kohei Hashimoto , Hiroshi Fujita , Nobunori Takahashi

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Abstract

Purpose

We evaluated the medium-term radiological outcomes of the interface bioactive bone cement (IBBC) technique used in the acetabular component in primary cemented total hip arthroplasty (THA).

Methods

In total, 79 patients (88 hips) who underwent primary THA at our hospital between January 2004 and April 2009 were divided into the non-IBBC (NIBBC; n = 39 patients, 44 hips) and IBBC (n = 40 patients, 44 hips) groups. A clear zone (CZ) at the cement-bone interface around the cup was evaluated 5 and 10 years postoperatively. The CZ score, which indicates the spread of the CZ, and loosening of the cup (CZ > 2 mm on all sides or movement of the cup >4°) were also evaluated.

Results

No patient had loosening of the cup. The mean patient age at surgery was 66.5 ± 9.2 years in the NIBBC group and 61.9 ± 7.7 years in the IBBC group (p = 0.012). At 5 years postoperatively, the incidence of CZ was 36.4 % in the NIBBC group and 18.2 % in the IBBC group (p = 0.056). At 10 years postoperatively, the incidence of CZ was 36.4 % in the NIBBC group and 20.1 % in the IBBC group (p = 0.098). Age at surgery (p = 0.045) significantly affected the incidence of CZ at 5 years but not at 10 years. The IBBC technique (p = 0.042) and age at surgery (p = 0.028) significantly affected the CZ score at 5 years. The IBBC technique (p = 0.036) significantly affected the CZ score at 10 years.

Conclusions

The IBBC technique resulted in a significantly lower CZ score than the NIBBC technique in patients undergoing THA.

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采用或不采用界面生物活性骨水泥技术的初次全髋关节置换术中骨水泥髋臼假体的放射学评价

目的评价界面生物活性骨水泥(IBBC)技术用于首次骨水泥全髋关节置换术(THA)髋臼假体的中期放射学效果。方法将2004年1月至2009年4月在我院行原发性全髋关节置换术的79例患者(88髋)分为非全髋关节置换术组(NIBBC;n = 39例，44髋)和IBBC组(n = 40例，44髋)。术后5年和10年评估杯周围水泥-骨界面的清晰区(CZ)。CZ分数，表示CZ的扩散程度，以及杯子的松动程度(CZ >还评估了杯口两侧2mm或杯口运动(gt;4°)。结果所有患者均无杯套松动。NIBBC组的平均手术年龄为66.5±9.2岁，IBBC组的平均手术年龄为61.9±7.7岁(p = 0.012)。术后5年，NIBBC组CZ发生率为36.4%，IBBC组为18.2% (p = 0.056)。术后10年，NIBBC组CZ发生率为36.4%，IBBC组为20.1% (p = 0.098)。手术年龄(p = 0.045)对5岁时CZ的发生率有显著影响，但对10岁时无显著影响。IBBC技术(p = 0.042)和手术年龄(p = 0.028)显著影响5年时CZ评分。IBBC技术显著影响10年CZ评分(p = 0.036)。结论在全髋关节置换术中，IBBC技术的CZ评分明显低于NIBBC技术。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of Joint Surgery and Research

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