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OUTCOMES OF TOTAL HIP ARTHROPLASTY USING DUAL MOBILITY CUP IN PATIENTS WITH OSTEONECROSIS OF THE FEMORAL HEAD
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Abstract
Background: Osteonecrosis of the femoral head presents significant challenges in the realm of total hip arthroplasty, which affects a younger demographic, characterized by high activity levels and functional demands. These patients, unlike those suffering from osteoarthritis, face a heightened risk of post-surgical complications such as hip dislocation. In pursuit of enhanced surgical outcomes, the utilization of dual mobility cups has emerged as a noteworthy advancement in the field. Studies have indicated that the adoption of dual mobility cups demonstrates a notable reduction in complication rates when contrasted with traditional conservative cup approaches Despite these encouraging findings, there exists a notable dearth of comprehensive literature regarding the specific impact and efficacy of dual mobility cups in patients specifically grappling with osteonecrosis of the femoral head post-arthroplasty. This scarcity of evidence underscores the imperative for further research endeavors and clinical investigations aimed at elucidating the viability and advantages of dual mobility cups within the context of osteonecrosis of the femoral head in total hip arthroplasty patients. Objective: evaluate the functional status of a consecutive series of patients suffering from advanced osteonecrosis of the femoral head who underwent total hip arthroplasty with dual mobility cup at Can Tho Central General Hospital and Can Tho University of Medicine and Pharmacy Hospital. Materials and methods: A cross-sectional descriptive study was carried out from March 2023 to May 2024 on 43 cases who has osteonecrosis of the femoral head fracture treated by total hip arthroplasty surgery with dual mobility cup. Results: The mean age of patients was 52.60 ± 12.56 years old, female/male ratio is 7.6:1. Staging according to Ficat and Arlet on X-rays, most cases in the study were at IV, with of 80.40%. The good and excellent outcome of Harris hip score was 95.83% after 6 months. Conclusion: total hip arthroplasty with a dual mobility cup is an effective method for osteonecrosis of the femoral head with a success rate of 95.83%. It has a good functional outcome and a low rate of complications and dislocation.
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Keywords
osteonecrosis of the femoral head, total hip arthroplasty, dual mobility cup.
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