PMID: 7296662Jan 1, 1981Paper

Assessment of left ventricular function in patients with isolated severe disease of the left anterior descending artery: clinical, electrocardiographic, hemodynamic, and angiographic correlations

Catheterization and Cardiovascular Diagnosis
A S IskandrianC E Bemis


The purpose of this study was to define the spectrum of left ventriculographic (LV) abnormalities in 60 patients with isolated Greater Than or Equal To 90% diameter narrowing of the left anterior descending artery (LAD). The patients were divided into three groups: Group I (26 patients) had normal left ventricular (LV) function with ejection fraction (EF) of Greater Than 60% and no akinetic-dyskinetic segment representing abnormal contracting segments (ACS) of the left ventricular wall; Group II (15 patients) had mild to moderate LV dysfunction with EF of 40-60% and an akinetic-dyskinetic segment of Less Than 30% of the end diastolic perimeter (0-30%; mean, 11.6%) and Group III (19 patients) had severe LV dysfunction with EF Less Than 40%, or an akinetic-dyskinetic segment of Greater Than or Equal To 30% (30-81%; mean, 41.5%) or both. The data obtained from the history, physical examination, electrocardiogram (ECG), chest x-ray studies, hemodynamic studies, left ventriculography, and coronary arteriography were entered and filed on a memory disc in an IBM 370-168 computer. Analysis of the results showed: 1) more severe LV dysfunction is associated with increased incidence of large hearts, gallops, decreased cardiac output, and ...Continue Reading


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