Long-term, dose-dependent effects of spironolactone on left ventricular function and exercise tolerance in patients with chronic heart failure
Mariantonietta Cicoira, MD*,*,
Luisa Zanolla, MD*,
Andrea Rossi, MD*,
Giorgio Golia, MD*,
Lorenzo Franceschini, MD*,
Giovanna Brighetti, MD*,
Paolo Marino, MD* and
Piero Zardini, MD*
* Dipartimento di Scienze Biomediche e Chirurgiche, Sezione di Cardiologia Università degli Studi di Verona, Verona, Italy

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Figure 1 Dose-dependent effects of spironolactone on left ventricular ejection fraction (LVEF), peak oxygen consumption (PVO2) and plasma renin levels in patients with chronic heart failure treated with 25 mg and 50 mg of the drug and in the control group. Variables are expressed as absolute differences from follow-up and baseline evaluation.
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