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  • Title: Is dialysis vintage a perioperative risk for end-stage renal disease patients receiving total knee and hip arthroplasty.
    Author: Wang YC, Cheng YJ, Yang JY, Chao CD, Huang JW, Hung KY.
    Journal: J Orthop Surg (Hong Kong); 2019; 27(2):2309499019853887. PubMed ID: 31181995.
    Abstract:
    BACKGROUND: End-stage renal disease is an independent risk factor for postoperative mortality and cardiovascular events, but dialysis vintage and its relationship with perioperative complication is not well studied. We did a population-based study to investigate this issue. MATERIALS AND METHODS: We identified patients who had total knee arthroplasty (TKA) or total hip arthroplasty (THA) surgeries during 1999-2010 from the National Health Insurance Research Database of Taiwan. Patients who had regular dialysis before surgery were recruited in our analysis. The outcome of interest was mortality, morbidities, intensive care unit admission rate, hospitalization duration, readmission rate, and medical costs. We did multivariate regression to adjust for age, sex, and Charlson comorbidity index (CCI) and to analyze the relationship of dialysis vintage and clinical outcomes. RESULTS: A total of 518 patients were enrolled for analysis. A total of 286 patients had TKA surgeries and 232 patients had THA surgeries. Patients who had TKA surgery were older and had more medical comorbidities than patients who had THA. After adjustment for age, sex, and CCI, TKA patients who had dialysis vintage <3 years had significantly higher medical costs ( p < 0.05). For THA patients, dialysis vintage is not an independent risk factor for outcomes of interest. CONCLUSION: Perioperative complication is associated with age and medical comorbidities. Longer dialysis vintage is not related to perioperative morbidities and mortalities or higher medical costs in either TKA or THA patients.
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