The Journal of arthroplasty
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Severe preoperative leg length discrepancy (LLD) can lead to poor preoperative functional status in patients with extensive osteonecrosis of the femoral head (ONFH). This study aimed to assess the effect of preoperative LLD on functional outcomes and patient satisfaction post-total hip arthroplasty (THA) in ONFH patients. ⋯ Patients with severe LLD experienced similar improvement at 3 months after THA as those with mild LLD in terms of the HHS and OHS but showed greater improvement at 12 months postoperatively than patients with mild LLD.
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Revision surgery of failed metal-on-metal (MoM) total hip arthroplasty (THA) for adverse tissue reaction (pseudotumor) can be challenging as a consequence of soft tissue and muscle necrosis. The aims of this study were to (1) report the revision outcomes of patients who underwent revision surgery for failed MoM hip arthroplasty due to symptomatic pseudotumor and (2) identify preoperative risk factors associated with revision outcomes. ⋯ Revision outcomes of revision surgery for failed MoM THA due to symptomatic pseudotumor demonstrated 14% complication rate and 7% re-revision rate at 30-month follow-up. Our study identified prerevision radiographic loosening, solid lesions/abductor deficiency on MRI, and high grade intraoperative tissue damage as risk factors associated with poorer revision outcomes. This provides clinically useful information for preoperative planning and perioperative counseling of MoM THA patients undergoing revision surgery.
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Comparative Study Observational Study
Comparison of ε-Aminocaproic Acid and Tranexamic Acid in Reducing Postoperative Transfusions in Total Hip Arthroplasty.
Use of antifibrinolytic agents in total hip arthroplasty (THA) is well supported; however, most studies used tranexamic acid (TXA), whereas few used ε-aminocaproic acid (EACA), a similar antifibrinolytic. This study compares the efficacy and cost per surgery of intraoperative infusion of EACA and TXA in reducing postoperative blood transfusion rates in THA. ⋯ Intraoperative antifibrinolytic use significantly decreases need for postoperative blood transfusions. At our institution, EACA is comparable to TXA in THA for reducing transfusion rates while at a lower cost per surgery.
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Due to the potential reduction of morbidity and mortality, unicompartmental knee arthroplasty (UKA) may represent an interesting solution for older patients with unicompartmental arthritis. It was our hypothesis that UKA can represent an alternative to total knee arthroplasty (TKA) for patients older than 75. We, thus, aimed to compare in those patients (1) functional results, (2) rates of forgotten joint, and (3) survivorships of UKA vs TKA. ⋯ The results of our study showed that UKA provide higher function and better forgotten joint scores with similar survivorship, compared to TKA, for patients older than 75.
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The relationship between pain catastrophizing and emotional disorders including anxiety and depression in osteoarthritic patients undergoing total joint arthroplasty (TJA) is an emerging area of study. The purpose of this study was to examine the association of these factors with preoperative patient characteristics. ⋯ The most important predictor of catastrophizing, anxiety and/or depression in TJA patients is preoperative pain and poor subjective function. At-risk patients include those with increased pain and generally good clinical function, as well as younger women with significant comorbidities. Such patients should be identified and targeted psychological therapy implemented preoperatively to optimize coping strategies and adaptive behavior to mitigate potential for inferior TJA outcomes including pain and patient dissatisfaction.