Abstract
BACKGROUND: The left ventricle (LV) systolic function is usually assessed by the cardiac output (CO) parameters such as ejection fraction and shortening fraction. However, these parameters do not take into consideration the role of afterload on LV contractility. Cardiac work (CW) is a parameter which combines the afterload and LV cardiac output to assess the cardiac contractility and the ventricular arterial interaction. CW is measured as the product of CO and mean arterial pressure (MAP). In adult patients with chronic heart failure, low resting CW has been associated with poorer outcomes and higher mortality. However, the role of CW in patients with …
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