Are changes in heart rate observed during dobutamine stress echocardiography associated with a response to cardiac resynchronization therapy in patients with severe heart failure? Results of a multicenter ViaCRT study
OPEN Kardiologia polska | 4 Jan 2018
W Gilewski, J Błażejewski, D Karasek, J Banach, Ł Wołowiec, E Płońska-Gościniak, T Kukulski, J Kasprzak, K Mizia-Stec, I Kowalik, P Gościniak and W Sinkiewicz
According to current ESC Guidelines for the diagnosis and treatment of heart failure cardiac resynchronization therapy (CRT) is indicated in patients suffering from heart failure (HF) with reduced ejection fraction (EF) with significantly widened QRS complexes. Presence of vital myocardium proved by dobutamine stress echocardiography (DSE) is considered as a good prognostic factor for responsiveness to this treatment. Chronotropic incompetence is on the other hand known factor of unfavorable outcome in HF.
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