Hip replacement in young patients: Experience with a femoral neck preserving short stem
DOI:
https://doi.org/10.1016/j.rccot.2020.02.011Keywords:
total hip replacement, short stemsAbstract
Background: The growing trend in the use of non-cemented implants and the development of technologies that attempt to restore the anatomy and joint function with greater bone preservation has increased the use of short stems in the total hip replacement (THR). The objective of this study is to describe functional results, radiological restoration of the anatomy, complication and revision rate of patients undergoing THR using short femoral stems with metaphyseal cervical fixation with lateral cortical support.
Materials and Methods: A prospective descriptive study was performed that included 45 hips of patients with hip osteoarthritis of any origin. The follow-up was 18 months. The outcome variables evaluated were: 1. Integration of the implant, 2. Complications dependent on the femoral implant, 3. Subsidence, and 4. Re-intervention. The functional result was additionally evaluated using the Western Ontario and McMaster Universities Arthritis Index (WOMAC).
Results: During the period from December 2011 to July 2017, an improvement was observed in functional status in 97% (n: 44) of patients, with no reoperations.
Discussion: Bone integration of the implant was observed in 100% of the cases, making the results comparable with the reports in the literature. It is believed that the use of short stems in total hip replacement is a safe procedure, with good outcomes. It also has the advantage of an adequate bone integration of the implant, and guaranteeing a better bone stock in the next surgery.
Evidence Level: IV.
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