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Different components of blood pressure are associated with increased risk of atherosclerotic cardiovascular disease versus heart failure in advanced chronic kidney disease.


ABSTRACT: Blood pressure is a modifiable risk for cardiovascular disease (CVD). Among hemodialysis patients, there is a U-shaped association between blood pressure and risk of death. However, few studies have examined the association between blood pressure and CVD in patients with stage 4 and 5 chronic kidney disease. Here we studied 1795 Chronic Renal Insufficiency Cohort (CRIC) Study participants with estimated glomerular filtration rate <30 ml/min per 1.73 m2 and not on dialysis. The association of systolic (SBP), diastolic (DBP), and pulse pressure with the risk of physician-adjudicated atherosclerotic CVD (stroke, myocardial infarction, or peripheral arterial disease) and heart failure was tested using Cox regression adjusted for demographics, comorbidity and medications. There was a significant association with higher SBP (adjusted hazard ratio 2.04 [95% confidence interval: 1.46-2.84]) for SBP over 140 vs under 120 mmHg, higher DBP (2.52 [1.54-4.11]) for DBP >90 mm Hg versus <80 mm Hg and higher pulse pressure (2.67 [1.82-3.92]) for pulse pressure >68 mm Hg versus <51 mm Hg with atherosclerotic CVD. For heart failure, there was a significant association with higher pulse pressure only (1.42 [1.05-1.92]) for pulse pressure >68 mm Hg versus <51 mmHg, but not for SBP or DBP. Thus, among participants with stage 4 and 5 chronic kidney disease, there was an independent association between higher SBP, DBP, and pulse pressure with the risk of atherosclerotic CVD, whereas only higher pulse pressure was independently associated with a greater risk of heart failure. Further trials are needed to determine whether aggressive reduction of blood pressure decreases the risk of CVD events in patients with stage 4 and 5 chronic kidney disease.

SUBMITTER: Bansal N 

PROVIDER: S-EPMC5123948 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Different components of blood pressure are associated with increased risk of atherosclerotic cardiovascular disease versus heart failure in advanced chronic kidney disease.

Bansal Nisha N   McCulloch Charles E CE   Lin Feng F   Robinson-Cohen Cassianne C   Rahman Mahboob M   Kusek John W JW   Anderson Amanda H AH   Xie Dawei D   Townsend Raymond R RR   Lora Claudia M CM   Wright Jackson J   Go Alan S AS   Ojo Akinlolu A   Alper Arnold A   Lustigova Eva E   Cuevas Magda M   Kallem Radhakrishna R   Hsu Chi-Yuan CY  

Kidney international 20161004 6


Blood pressure is a modifiable risk for cardiovascular disease (CVD). Among hemodialysis patients, there is a U-shaped association between blood pressure and risk of death. However, few studies have examined the association between blood pressure and CVD in patients with stage 4 and 5 chronic kidney disease. Here we studied 1795 Chronic Renal Insufficiency Cohort (CRIC) Study participants with estimated glomerular filtration rate <30 ml/min per 1.73 m<sup>2</sup> and not on dialysis. The associa  ...[more]

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