Key result
Loss of longitudinal fibre function leads to characteristic disturbances in normal ejection fraction and atrioventricular interactions.
Highlights the physiological importance of longitudinal myocardial fibers in maintaining ventricular function.
Although longitudinally directed fibres-situated mainly in the subepicardium and subendocardium regions of the left and right ventricular free walls and the papillary musclescomprise only a small proportion of the total ventricular myocardial mass, they play a major role in the maintenance of normal ejection fraction and in determining atrioventricular interactions. 1 Not surprisingly, therefore, loss of longitudinal fibre function leads to characteristic disturbances.
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HENEIN et al. (1999) conducted a review in Loss of longitudinal fibre function. Loss of longitudinal fibre function leads to characteristic disturbances in normal ejection fraction and atrioventricular interactions.
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