Prevalence And Diagnosis Of Coronary Lesions After Arterial Switch
ARCHIVES DES MALADIES DU COEUR ET DES VAISSEAUX(2003)
摘要
In anatomical repair procedure of transposition of the great arteries (arterial switch), translocation of the coronary arteries is crucial and coronary complications remain the principal cause of death.The aim of this retrospective study was to assess the prevalence of coronary lesions and to evaluate the diagnostic methods to prevent their consequences.From 1982 to 2001, 1 304 patients were operated for transposition of the great arteries by the switch procedure at the Marie Lannelongue Surgical Centre. The average follow-up of the survivors was 59 months (3 days to 17 years) during which 324 patients underwent coronary angiography. All had an ECG and an echocardiogram (N=324); 174 underwent exercise stress testing and 115 had myocardial scintigraphy.Of the 324 patients who underwent coronary angiography, 22 had coronary lesions (6.8%; 95% CI 5-10). In multivariate analysis a type II coronary network by the Marie Lannelongue Classification was related to the risk of coronary lesions (OR=0.28; p< 0.0002). Each non-invasive method studied separately had a low sensitivity (< 50%) for the detection of these lesions. The association of ECG, echocardiography and myocardial scintigraphy had the best sensitivity at 75%.Therefore, after the arterial switch procedure non-invasive investigations are not sensitive enough to diagnose coronary lesions and systematic coronary angiography and aortography should be performed in all patients.
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关键词
coronary lesions,arterial switch
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