期刊
JOURNAL OF CLINICAL MEDICINE
卷 12, 期 19, 页码 -出版社
MDPI
DOI: 10.3390/jcm12196227
关键词
computed tomography; hip dysplasia; host bone coverage; three-dimensional; total hip arthroplasty
This study aimed to validate the measurements of host bone coverage based on intra-operative measurements, as well as two-dimensional and three-dimensional assessments. It also aimed to determine the minimum host bone coverage required for stable cup fixation after total hip arthroplasty in patients with hip dysplasia. The results showed a strong positive correlation between intra-operative host bone coverage and three-dimensional measurements based on CT reconstruction.
Several methods have been introduced to measure the host bone coverage of the acetabular component after total hip arthroplasty (THA). The aims of this study were (1) to validate two-dimensional- and three-dimensional-based host bone coverage measurements by comparing intra-operative measurements, and (2) to determine the minimum host bone coverage for achieving stable cup fixation after THA in hip dysplasia. The clinical outcomes of each patient were evaluated during their final follow-up period using the Harris Hip score (HHS). The coverage of the host bone was analyzed by comparing 2D-based, 3D-based, and intraoperative assessments. The mean HHS was increased significantly from 60.84 +/- 14.21 pre-operatively to 93.13 +/- 4.59 (p < 0.0001). The host bone coverage ratio measured intraoperatively was 83.67 +/- 3.40%, while the ratio measured by 3D CT reconstruction was 82.72 +/- 3.59%. There was a strong positive correlation between the intra-operative host bone coverage and the 3D-based one (r = 0.826, p < 0.0001). It is recommended that 3D-based measurements are used to evaluate the host bone coverage after THA in patients with hip dysplasia. In addition, achieving a minimum host bone coverage of 75% is recommended for the attainment of stable cup fixation
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