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Updated: Apr 26, 2026
Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
Published on: February 27, 2018
Comparison between preassembled and modular cups in primary cementless total hip arthroplasty: a two-year minimum
Young-Soo Shin1, Seung-Beom Han1, Tae-Wan Jung1
1Department of Orthopedic Surgery, Korea University Anam Hospital, Korea, University College of Medicine, Seoul, Korea.
Abstract:
We prospectively analyzed 83 patients who underwent ceramic-on-ceramic THA using preassembled (n=22) or modular acetabular components (n=61) between June 2010 and June 2012. There were no significant differences in mean postoperative radiographic outcomes, functional outcomes, or complications between the two groups. Both groups showed satisfactory performance at the 2year follow up. Only the gender of the patients was significantly different between the two groups. Half of the women had smaller acetabular diameters accommodating a cup size of only 48-50-mm. Although a preassembled cup with a 36-mm ceramic liner is proven to be safe in the short term, future research should focus on evaluating the long-term risks.
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