Meta-Analysis Comparing Torsemide Versus Furosemide in Patients With Heart Failure.

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Meta-Analysis Comparing Torsemide Versus Furosemide in Patients With Heart Failure.

Am J Cardiol. 2019 Oct 10;:

Authors: Abraham B, Megaly M, Sous M, Fransawyalkomos M, Saad M, Fraser R, Topf J, Goldsmith S, Simegn M, Bart B, Azzo Z, Mesiha N, Sharma R

Abstract
Although torsemide's oral bioavailability and half-life theoretically render it a more efficient diuretic than furosemide, the clinical outcomes of torsemide compared with furosemide remain unclear. We performed a systematic review and meta-analysis, including all published studies that compared torsemide and furosemide use in heart failure patients from January 1996 through August 2019. Nineteen studies (9 randomized control trials [RCTs] and 10 observational studies) with a total of 19,280 patients were included. During a mean follow-up duration of 15 months, torsemide was associated with a numerically lower risk of hospitalization due to heart failure (10.6% vs 18.4%; odds ratio [OR] 0.72, 95% confidence interval [CI] [0.51, 1.03], p = 0.07, I2 = 18%; number needed to treat [NNT] = 23) compared with furosemide. Torsemide was associated with statistically significant more improvement in functional status from New York Heart Association (NYHA) class III/IV to I/II (72.5% vs 58%; OR 2.32, 95% CI (1.32, 4.1), p = 0.004, I2 = 27%; NNT = 5) and lower risk of cardiac mortality (1.5% vs 4.4%; OR 0.37, 95% CI (0.20, 0.66), p <0.001, I2 = 0%, NNT = 40) compared with furosemide. However, there was no difference in all-cause mortality or medication side effects between the 2 groups. In conclusion, compared with furosemide, torsemide use was associated with significant more improvement in functional status and lower cardiac mortality; and numerically fewer hospitalizations in patients with heart failure.

PMID: 31699358 [PubMed - as supplied by publisher]

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