ArticleRenal failure2025
Clinical outcomes and dialysate calcium concentrations in Chinese patients on maintenance hemodialysis: a retrospective cohort study.
Article in Renal failure, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe appropriate concentration of dialysate calcium (DCa) for maintenance hemodialysis (MHD) patients remains a subject of ongoing debate. The relationship between DCa concentration and patient outcomes is not yet well established. This study aimed to evaluate the impact of DCa concentration on mortality and major adverse cardiovascular and cerebrovascular events (MACCEs) in Chinese patients undergoing MHD.
methodsA retrospective matched cohort study was conducted, analyzing data from hemodialysis (HD) patients at our center over the past five years. Each patient in the low DCa group was matched with a counterpart from the mid DCa group. Outcomes, including mortality, MACCE rates, fracture rates, and hospitalization rates, were compared between the two groups.
resultsThe study included 924 MHD patients, of whom 101 low DCa patients were matched with 101 mid DCa patients. In the matched-pair analysis, no significant difference was observed in all-cause mortality between the low DCa and mid DCa groups (3.5/100 vs. 4.7/100 patient-years). However, the low DCa group exhibited lower cumulative rates of MACCEs, hospitalization, and fracture incidence compared with the mid DCa group (7.3/100 vs. 20.7/100 patient-years, 21.5/100 vs. 34/100 patient-years, and 1.6/100 vs. 3.9/100 patient-years, respectively). In addition, the adjusted hazard ratio (HR) for the occurrence of first MACCE in the low DCa group compared with the mid DCa group was 0.47 (95% CI: 0.24-0.91).
conclusionsThese findings suggest that low DCa concentrations are associated with reduced rates of MACCEs, hospitalization, and cumulative fracture incidence in MHD patients relative to mid DCa concentrations.
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