Why the study?
Does left ventriculography by percutaneous transapical passage of a flexible angiographic catheter provide diagnostic information in patients with recurrent heart failure after mitral and aortic valve replacement?
Does left ventriculography by percutaneous transapical passage of a flexible angiographic catheter provide diagnostic information in patients with recurrent heart failure after mitral and aortic valve replacement?
Percutaneous transapical left ventriculography using a flexible catheter is a viable diagnostic alternative for evaluating recurrent heart failure in patients with inaccessible left ventricles due to prosthetic valves.
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May aid diagnosis when standard LV access fails post-valve replacement; leaves open prospective validation of safety and utility.
Wong et al. (1981) studied this question.
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