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|Title:||Effect of ultrafiltration rate in long interdialytic interval hemodialysis session versus average weekly ultrafiltration rate on mortality rate and adverse cardiovascular outcomes in maintenance hemodialysis patients|
Faculty of Medicine, Siriraj Hospital, Mahidol University
|Citation:||Siriraj Medical Journal. Vol.72, No.5 (2020), 391-398|
|Abstract:||© 2020 Faculty of Medicine Siriraj Hospital, Mahidol University. Objective: Cardiovascular events are more commonly observed during hemodialysis sessions after a long interdialytic interval compared to average weekly hemodialysis sessions, and ultrafiltration rate (UFR) was reported to be associated with cardiovascular outcomes. Whether the UFR during hemodialysis sessions after a long interdialytic interval is a better predictor of cardiovascular outcome than the average weekly UFR is unknown. Methods: The charts of patients aged >18 years with end-stage renal disease that received hemodialysis treatment Siriraj Hospital during January 2008 to December 2017 were retrospectively reviewed. Results: Two hundred and forty-one patients (52.8% females) were included. During the median time follow-up of 54 months, the rate of adverse cardiovascular outcomes was 7.26 events/100-patient-years, and the mortality rate was 8.40 deaths/100-patient-years. Mean UFR was significantly higher in the long interdialytic interval hemodialysis sessions than in the average weekly UFR sessions (14.07±5.29 vs. 13.13±5.14 ml/h/kg, p<0.001). Compared with UFR of ≤10 ml/h/kg, the adjusted hazard ratio (HR) for mortality in the UFR >13 ml/h/kg subgroup was 1.29 (95% CI: 0.65-2.56) and 1.05 (95% CI: 0.55-2.03) in the long interdialytic interval hemodialysis sessions and the average weekly UFR, respectively. The adjusted HR for adverse cardiovascular outcome in the UFR >13 ml/h/kg subgroup was 1.32 (95% CI: 0.64-2.80) and 0.72 (95% CI: 0.36-1.35) in the long interdialytic interval hemodialysis sessions and the average weekly UFR, respectively. Conclusion: This study revealed that the UFR in long interdialytic hemodialysis sessions has the trend to be associated with more adverse cardiovascular outcomes and all-cause mortality than the average weekly UFR. A larger population is needed to further elucidate the relationship between UFR and outcomes in Thai hemodialysis population.|
|Appears in Collections:||Scopus 2020|
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