Balloon embolization of latrogenic aortocoronary arteriovenous fistula

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Abstract
A detachable latex balloon was used to occlude an iatrogenic aortocoronary arteriovenous fistula. The aim of providing retrograde myocardial perfusion was not achieved to any significant degree because of rapid recruitment of collateral venous routes to the coronary sinus. This may have implications for the effectiveness of deliberate grafting of the coronary venous system with proximal venous ligation, as has been recommended when the coronary arterial system is small and diffusely diseased.