Complications in Total Hip Arthroplasties After Acetabulum Fractures: A Comparative Study of Conventional Cups Versus Dual Mobility Cups
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Abstract
Objective: To analyze the clinical and radiological outcomes and short- and medium-term complications of THA by comparing uncemented, dual-mobility acetabular cups with conventional uncemented cups.
Materials and Methods: We retrospectively evaluated 37 patients who underwent THA between 2003 and 2022. Clinical and functional outcomes were assessed using the Merle d’Aubigné and Postel scale, while radiographic outcomes were evaluated according to the modified Stauffer criteria and the stability of cementless components based on Engh parameters.
Results: The final sample included 37 patients (11 women and 26 men) with an average age of 43.78 years. The average follow-up time was 6.6 years. Outcomes were excellent in 54% of cases, good in 32.4%, fair in 8.1%, and poor in 5.5%. Fisher’s exact test showed no significant correlation between the type of cup used and the risk of complications.
Conclusions: Total hip arthroplasty using dual-mobility cups is a highly effective treatment option for the sequelae of acetabular fractures, offering excellent outcomes and a very low complication rate.
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