1. Association of Age and BP Variability with Long-term Mortality in Hemodialysis Patients.
- Author
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Kim, Ha Yeon, Kang, Yong Un, Kim, Chang Seong, Choi, Joon Seok, Bae, Eun Hui, Ma, Seong Kwon, and Kim, Soo Wan
- Subjects
BLOOD pressure ,HEMODIALYSIS ,HYPERTENSION ,CARDIOVASCULAR diseases risk factors ,STANDARD deviations - Abstract
Background/Aims: Blood pressure (BP) variability is known as a poor prognostic factor for cardiovascular outcomes. This study assessed the prognostic significance of BP variability in association with increasing age in hemodialysis patients. Methods: We retrospectively analyzed 2,174 patients on hemodialysis from March 2005 to December 2012. The impact of intradialytic and interdialytic BP variability on all-cause mortality according to age groups was analyzed. Results: Kaplan-Meier survival curves for 5-year cumulative mortality showed higher mortality in patients with higher intradialytic systolic and diastolic BP variability as well as interdialytic systolic and diastolic BP variability (log-rank p=0.006, <0.001, 0.018 and < 0.001) in patients aged <55 years, but not in older age groups. Cox proportional analysis revealed that 5-year mortality was associated with intradialytic diastolic BP variability in patients aged <55 years (HR, 2.03 CI, 1.24-3.32). Conclusion: The overall mortality was associated with BP variability in patients aged <55 years, but not in older ages. This result suggests that younger hemodialysis patients with BP variability require further medical attention and intervention to reduce BP variability. © 2014 S. Karger AG, Basel [ABSTRACT FROM AUTHOR]
- Published
- 2014
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