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  • Title: Feasibility and clinical impact of live three-dimensional echocardiography in the management of congenital heart disease.
    Author: De Castro S, Caselli S, Papetti F, Ventriglia F, Giardina A, Cavarretta E, Di Angelantonio E, Marcantonio A, Igual Perez FD, Pandian NG, Marino B, Fedele F.
    Journal: Echocardiography; 2006 Aug; 23(7):553-61. PubMed ID: 16911328.
    Abstract:
    BACKGROUND: Precise assessment of congenital heart lesions requires inferential evaluation from multiple two-dimensional echocardiographic images (2DE). The aim of our study was to assess the usefulness of transthoracic live three-dimensional echocardiography (3DE) in the evaluation of congenital heart disease. METHODS: Eighty-two patients (from 4 months to 31 years, mean age 12 +/- 7.5, 38 males and 44 females), known to have congenital heart lesions, prospectively underwent both 2DE and 3DE. Conventional data acquisition by 2DE and "full volume" 3DE acquisition (apical four chambers, parasternal long and short axes, subcostal windows) were carried out by two independent and blinded operators. Data derived from 3DE were compared to 2DE, and 3DE results were graded into three categories: (A) new findings not seen on 2D echo studies, but not critical to therapeutic decision making; (B) additional anatomic information useful in therapeutic decision making; and (C) information equivalent to 2D echo studies. RESULTS: Two out of 82 patients (2%) were excluded because of suboptimal 3DE images. In comparison with 2DE studies, 3DE was graded A in 23 patients (29%), B in 28 patients (35%), and C in 29 patients (36%). In the patients with group B results, atrial and ventricular septal defects, endocardial cushion defects, and l-transposition of great vessels were the most represented pathologies in which 3DE aided medical or surgical therapeutic options. While the new findings in group A did not influence therapy, they defined the whole spectrum of abnormalities in those patients. In patients who fell under group C results, 3DE provided a direct realistic display of the pathology detected by 2DE. CONCLUSIONS: Our study demonstrates that live 3DE, easily performed at the bedside, provides incremental information on patients with a variety of congenital heart lesions. In the clinical scenario, it clarifies the pathology in all its dimensions, particularly in complex lesions with the incremental information having impact on therapeutic decision making.
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