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  • Title: Dynamic three-dimensional reconstruction of the heart by transesophageal echocardiography.
    Author: Veiga Mde F, Lopes MG, Pinto FJ.
    Journal: Arq Bras Cardiol; 1999 May; 72(5):559-68. PubMed ID: 10668226.
    Abstract:
    OBJECTIVE: To evaluate echocardiography accuracy in performing and obtaining images for dynamical three-dimensional (3D) reconstruction. METHODS: Three-dimensional (3D) image reconstruction was obtained in 20 consecutive patients who underwent transesophageal echocardiography. A multiplanar 5 MHz transducer was used for 3D reconstruction. RESULTS: Twenty patients were studied consecutively. The following cardiac diseases were present: valvar prostheses--6 (2 mitral, 2 aortic and 2 mitral and aortic); mitral valve prolapse--3; mitral and aortic disease--2; aortic valve disease--5; congenital heart disease--3 (2 atrial septal defect--ASD- and 1 transposition of the great arteries-TGA); arteriovenous fistula--1. In 7 patients, color Doppler was also obtained and used for 3D flow reconstruction. Twenty five cardiac structures were acquired and 60 reconstructions generated (28 of mitral valves, 14 of aortic valves, 4 of mitral prostheses, 7 of aortic prostheses and 7 of the ASD). Fifty five of 60 (91.6%) reconstructions were considered of good quality by 2 independent observers. The 11 reconstructed mitral valves/prostheses and the 2 reconstructed ASDs provided more anatomical information than two dimensional echocardiography (2DE) alone. CONCLUSION: 3D echocardiography using a transesophageal transducer is a feasible technique, which improves detection of anatomical details of cardiac structures, particularly of the mitral valve and atrial septum.
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