JACC. Heart failure · 2019
Natriuretic Response Is Highly Variable and Associated With 6-Month Survival: Insights From the ROSE-AHF Trial.
СтатьяПоддержка NIH: внешняя программаНазвание и аннотация: Перевод в очереди
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Hodson Daniel Z, Griffin Matthew, Mahoney Devin, Raghavendra Parinita, Ahmad Tariq, Turner Jeffrey, Wilson F Perry, Tang W H Wilson, Rao Veena S, Collins Sean P, Mullens Wilfried, Testani Jeffrey M
Аннотация
OBJECTIVES: This study sought to describe sodium excretion in acute decompensated heart failure (ADHF) clearly and to evaluate the prognostic ability of urinary sodium and fluid-based metrics.
BACKGROUND: Sodium retention drives volume overload, with fluid retention largely a passive, secondary phenomenon. However, parameters (urine output, body weight) used to monitor therapy in ADHF measure fluid rather than sodium balance. Thus, the accuracy of fluid-based metrics hinges on the contested assumption that urinary sodium content is consistent.
METHODS: Patients enrolled in the ROSE-AHF (Renal Optimization Strategies Evaluation-Acute Heart Failure) trial with 24-h sodium excretion available were studied (n = 316). Patients received protocol-driven high-dose loop diuretic therapy.
RESULTS: Sodium excretion through the first 24 h was highly variable (range 0.12 to 19.8 g; median 3.63 g, interquartile range: 1.85 to 6.02 g) and was not correlated with diuretic agent dose (r = 0.06; p = 0.27). Greater sodium excretion was associated with reduced mortality in a univariate model (hazard ratio: 0.80 per doubling of sodium excretion; 95% confidence interval: 0.66 to 0.95; p = 0.01), whereas gross urine output (p = 0.43), net fluid balance (p = 0.87), and weight change (p = 0.11) were not. Sodium excretion of less than the prescribed dietary sodium intake (2 g), even in the setting of a negative net fluid balance, portended a worse prognosis (hazard ratio: 2.02; 95% confidence interval: 1.17 to 3.46; p = 0.01).
CONCLUSIONS: In patients hospitalized with ADHF who were receiving high-dose loop diuretic agents, sodium concentration and excretion were highly variable. Sodium excretion was strongly associated with 6-month mortality, whereas traditional fluid-based metrics were not. Poor sodium excretion, even in the context of fluid loss, portends a worse prognosis.
BACKGROUND: Sodium retention drives volume overload, with fluid retention largely a passive, secondary phenomenon. However, parameters (urine output, body weight) used to monitor therapy in ADHF measure fluid rather than sodium balance. Thus, the accuracy of fluid-based metrics hinges on the contested assumption that urinary sodium content is consistent.
METHODS: Patients enrolled in the ROSE-AHF (Renal Optimization Strategies Evaluation-Acute Heart Failure) trial with 24-h sodium excretion available were studied (n = 316). Patients received protocol-driven high-dose loop diuretic therapy.
RESULTS: Sodium excretion through the first 24 h was highly variable (range 0.12 to 19.8 g; median 3.63 g, interquartile range: 1.85 to 6.02 g) and was not correlated with diuretic agent dose (r = 0.06; p = 0.27). Greater sodium excretion was associated with reduced mortality in a univariate model (hazard ratio: 0.80 per doubling of sodium excretion; 95% confidence interval: 0.66 to 0.95; p = 0.01), whereas gross urine output (p = 0.43), net fluid balance (p = 0.87), and weight change (p = 0.11) were not. Sodium excretion of less than the prescribed dietary sodium intake (2 g), even in the setting of a negative net fluid balance, portended a worse prognosis (hazard ratio: 2.02; 95% confidence interval: 1.17 to 3.46; p = 0.01).
CONCLUSIONS: In patients hospitalized with ADHF who were receiving high-dose loop diuretic agents, sodium concentration and excretion were highly variable. Sodium excretion was strongly associated with 6-month mortality, whereas traditional fluid-based metrics were not. Poor sodium excretion, even in the context of fluid loss, portends a worse prognosis.