Abstract
Background Patients receiving maintenance hemodialysis (MHD) frequently encounter a drop in blood pressure during dialysis, known as intradialytic hypotension (IDH). The AIP is associated with diseases such as diabetes and cardiovascular events. It remains unclear whether the AIP is associated with IDH. The present study aimed to explore the association between AIP and IDH in MHD patients. Methods In this multi-center cross-sectional study, we included 1946 adult hemodialysis patients from twenty dialysis centers. Patients were divided into four groups based on the AIP quartiles. Linear regression and multiple logistic regression models were used to analyze the relationship between AIP and IDH. Subgroup analyses were further conducted to assess the robustness of the association between the AIP and IDH. Results After adjusting for potential confounding variables, each 1-unit increase in AIP was associated with a 21% increase in the odds of IDH. The odds ratios (ORs) of IDH increased gradually with higher quartiles of AIP compared with the Q1 reference group (Q2: OR, 1.41, 95% CI: 0.91-2.18; Q3: OR, 1.63, 95% CI: 1.07-2.49; Q4: OR, 1.57, 95% CI: 1.01-2.42). No interaction was observed in the subgroup analysis stratified by age, sex, history of diabetes, heart failure, and myocardial infarction. Conclusion Elevated AIP levels are associated with a heightened risk of IDH in MHD patients.
Published Version
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