The importance of new parameters of contractility and stroke work in evaluation of heart function and prognosis

Czech version

Authors: M. Tesák ^1,2; J. Pařenica ¹
Authors‘ workplace: Interní kardiologická klinika LF MU a FN Brno ¹; Interní oddělení, Nemocnice Třebíč ²
Published in: Kardiol Rev Int Med 2017, 19(4): 261-265

Overview

Heart function evaluation is a key element in predicting heart disease prognosis. However, in vivo cardiac function assessment is influenced by many factors, and therefore there is no universal parameter defining the status of a "mechanically healthy heart". In this review, new and existing parameters of heart function are divided according to whether they express contractility or mechanical energy of cardiac function. Their role in the evaluation of cardiac physiology, methods of assessment, possible clinical use and disadvantages are discussed.

Key words:
ventricular function – heart failure – ejection fraction – systolic elastance – stroke work – cardiac power – preload recruitable stroke work

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