Renal recovery after acute kidney injury requiring urgent hemodialysis is not associated with improved survival of the patients with multiple myeloma
Irish journal of medical science(2022)
摘要
Background Severe acute kidney injury (AKI) requiring urgent hemodialysis (uHD) is associated with considerable morbidity and mortality in patients with multiple myeloma (MM). Purpose To evaluate the renal function, outcome, and survival status of patients with MM who received uHD and to compare their overall survival with MM patients who did not receive uHD. Materials and methods A total of 70 eligible MM patients who received uHD were included together with 70 control patients with MM. Results In the study group, 11 patients (15.7%) were known to have pre-existing chronic kidney disease. Thirty-four percent of the study group had AKI requiring uHD at MM diagnosis. Seventy-eight percent of the study group had severe AKI due to myeloma kidney. Renal function recovered in 36 patients (51.4%). Patients with MM who became hemodialysis dependent had significantly higher serum creatinine (sCr) levels at the time of AKI compared to patients with renal recovery ( p < 0.05). Logistic regression analysis showed that high sCr on admission was significantly associated with hemodialysis dependence (odds ratio 0.78; 95% CI: 0.63–0.96; p = 0.018). The median overall survival was 30 months [IQR: 26] in the study group and 84 months [IQR: 96.25] in the control group ( p < 0.05). Cox regression analysis showed that the need for uHD at initial MM diagnosis was associated with reduced survival (hazard ratio (HR) 1.9; 95% CI: 1.1–3.2; p = 0.017). Renal recovery did not provide a survival benefit. Conclusion The need for uHD was associated with poor survival. Recovery of renal function was not associated with improved survival.
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关键词
Acute kidney injury,Hemodialysis,Multiple myeloma,Survival
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