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Husain-Syed, Faeq; Singam, Narayana Sarma V; Viehman, Jason K; Vaughan, Lisa; Bauer, Pascal; Gall, Henning; Tello, Khodr; Richter, Manuel J; Yogeswaran, Athiththan; Romero-González, Gregorio; Rosner, Mitchell H; Ronco, Claudio; Assmus, Birgit; Ghofrani, Hossein Ardeschir; Seeger, Werner; Birk, Horst-Walter; Kashani, Kianoush B
Journal of the American Heart Association, 08/2023, Letnik: 12, Številka: 16Journal Article
Background The impact of changes in Doppler-derived kidney venous flow in heart failure (HF) is not well studied. We aimed to investigate the association of Doppler-derived kidney venous stasis index (KVSI) and intrakidney venous-flow (IKVF) patterns with adverse cardiorenal outcomes in patients with HF. Methods and Results In this observational cohort study, consecutive inpatients with HF referred to a nephrologist because of a history of diuretic resistance and abnormal kidney function (n=216) underwent spectral kidney assessments after admission (Doppler 1) and 25 to 35 days later (Doppler 2) to identify IKVF patterns (continuous/pulsatile/biphasic/monophasic) and KVSI levels. Cox proportional hazard regression models were used to evaluate the associations between KVSI/IKVF patterns at Doppler 1 as well as changes from Doppler 1 to Doppler 2 and risk of cardiorenal events up to 18 months after admission. Worsening HF or death occurred in 126 patients. Both baseline KVSI (hazard ratio HR, 1.49 95% CI, 1.37-1.61 per 0.1-unit increase) and baseline IKVF pattern (HR, 2.47 95% CI, 2.01-3.04 per 1 pattern severity increase) were significantly associated with worsening HF/death. Increases in both KVSI and IKVF pattern severity from Doppler 1 to 2 were also associated with an increased risk of worsening HF/death (HR, 3.00 95% CI, 2.08-4.32 per 0.1-unit increase change; and HR, 6.73 95% CI, 3.27-13.86 per 1 pattern increase in severity change, respectively). Similar results were observed for kidney outcomes. Conclusions Baseline kidney venous flow predicted adverse cardiorenal events, and inclusion of serial kidney venous flow in cardiorenal risk stratification could facilitate clinical decision-making for patients with HF. Registration URL: https://www.clinicaltrials.gov; Unique identifier: NCT03039959.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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