^aDepartment of Cardiac Surgery and Transplantation, Heart Transplantation Unit in Adults of the ‘Ospedali dei Colli Monaldi-Cotugno-CTO’

^bDepartment of Translational Medical Sciences and Internal Medicine and Geriatrics, ‘Federico II’ University of Naples

^cDepartment of Cardiology, Cardiology Unit of the ‘L. Vanvitelli’ University of Campania at the ‘Ospedali dei Colli Monaldi-Cotugno-CTO’, Naples, Italy

Correspondence to Francesco Cacciatore, MD, PhD, Federico II University of Naples, 80131 Naples, Italy E-mail: [email protected]

Received 16 June, 2020

Revised 6 July, 2020

Accepted 12 July, 2020

This letter refers to Masarone D, Valente F, Verrengia M, et al. Efficacy and safety of repeated infusion of levosimendan in outpatients with advanced heart failure: a realworld experience. J Cardiovasc Med (Hagerstown) 2020 Nov;21(11):919-921.