• Tiana Nizamic, M Hassan Murad, Larry A Allen, Colleen K McIlvennan, Sara E Wordingham, Daniel D Matlock, and Shannon M Dunlay.
• Department of Medicine, University of Colorado at Denver, Denver, Colorado.
• JACC Heart Fail. 2018 Sep 1; 6 (9): 757-767.

ObjectivesThis study sought to systematically review the available evidence of risks and benefits of ambulatory intravenous inotrope therapy in advanced heart failure (HF).BackgroundAmbulatory inotrope infusions are sometimes offered to patients with advanced Stage D HF; however, an understanding of the relative risks and benefits is lacking.MethodsOn August 7, 2016, we searched SCOPUS, Web of Science, Ovid EMBASE, and Ovid MEDLINE for studies of long-term use of intravenous inotropes in outpatients with advanced HF. Meta-analysis was performed using random effects models.ResultsA total of 66 studies (13 randomized controlled trials and 53 observational studies) met inclusion criteria. Most studies were small and at high risk for bias. Pooled rates of death (41 studies), all-cause hospitalization (15 studies), central line infection (13 studies), and implantable cardioverter-defibrillator shocks (3 studies) of inotropes were 4.2, 22.2, 3.6, and 2.4 per 100 person-months follow-up, respectively. Improvement in New York Heart Association (NYHA) functional class was greater in patients taking inotropes than in controls (mean difference of 0.60 NYHA functional classes; 95% confidence interval [CI]: 0.22 to 0.98; p = 0.001; 5 trials). There was no significant difference in mortality risk in those taking inotropes compared with controls (pooled risk ratio: 0.68; 95% CI: 0.40 to 1.17; p = 0.16; 9 trials). Data were too limited to pool for other outcomes or to stratify by indication (i.e., bridge-to-transplant or palliative).ConclusionsHigh-quality evidence for the risks and benefits of ambulatory inotrope infusions in advanced HF is limited, particularly when used for palliation. Available data suggest that inotrope therapy improves NYHA functional class and does not impact survival.Copyright © 2018 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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