Abstract
The development of left ventricular dysfunction is a major concern in the management of patients withsevere mitral regurgitation. In the initial stages, contractility impairment may be ‘‘invisible’’ by the traditional methodsto assess the ventricular function, because of different loading conditions. This fact can mask the presence of LVdysfunction. Sometimes, LV dysfunction may be ‘‘unmasked’’ only by change in loading conditions after surgicalcorrection, leading to the development of overt LV dysfunction and congestive heart failure. The identification ofcontractile dysfunction at an early stage and surgical correction may avoid the development of irreversible postoperativeLV dysfunction.
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