Clinical Significance of Early Fluid and Weight Change During Acute Heart Failure Hospitalization.
AIMS: To explore the association of changes in weight and fluid during treatment for acute heart failure (AHF) with clinical endpoints. METHODS AND RESULTS: Weight and net fluid changes recorded at 72-96 hours in 708 AHF patients enrolled in Diuretic Optimization Strategy Evaluation in Acute Decompensated Heart Failure, Cardiorenal Rescue Study in Acute Decompensated Heart Failure, and Renal Optimization Strategies Evaluation in Acute Heart Failure studies were compared with freedom from congestion at 72-96 hours and a composite endpoint of death, rehospitalization, and unplanned hospital visit at 60 days. Weight loss was concordant with net fluid loss in 55%, discordant and less than expected for fluid loss in 34%, and paradoxically discordant or more than expected for fluid loss in 11% of patients. Weight loss, but not fluid loss, was associated with freedom from congestion (odds ratio per 1-kg weight loss = 1.11 [1.03-1.19]) and a nominal reduction in the composite endpoint (hazard ratio per 1-kg weight loss = 0.98 [0.95-1.00]). Outcomes were similar in patients with concordant and discordant weight-fluid loss. CONCLUSION: During treatment for AHF, early changes in weight may be more useful for identifying response to therapy and for predicting outcomes than net fluid output. Nearly one-half of patients receiving decongestive therapies demonstrate discordant changes in weight and fluid; however, discordance was not associated with outcomes.
Groarke, JD; Stevens, SR; Mentz, RJ; Cooper, LB; Vader, JM; AbouEzzeddine, OF; Grodin, JL; Joyce, E; Anstrom, KJ; Felker, GM; Redfield, MM; Stevenson, LW; Lala, A
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