65 Repolarization parameters in patients with acute anterior myocardial infarction treated with primary PTCA: relationship with the myocardial perfusion

showed cardiomegaly on chest X-ray. NYHA functional class>2 was found in 42.2% of TGA pts (NYHA class 3 in 9.3%) and in 50.0% of ccTGA pts (NYHA class 3 in 10.0%). Full criteria for CRT were met in 3.1% of the TGA pts and 5.0% of the ccTGA pts. Including pts in NYHA class 2 and without considering ventricular dilatation (ie. criteria similar to CONTAK CD) 6.3% of TGA and 5.0% of ccTGA pts would have been eligible for CRT. Conclusion: in unselected pts with a systemic right ventricle, 3.1% to 6.3% are potential candidates for CRT. If antibradycardia pacing is indicated, electrical resynchronization may also need to be considered. Prospective studies assessing the logistical and anatomical feasibility of CRT in ACHD cohorts with failing ventricles are warranted.