Why the study?
Can echocardiography reliably diagnose dextro-transposition of the great vessels by identifying the altered spatial relationship of the aorta and pulmonary artery?
Can echocardiography reliably diagnose dextro-transposition of the great vessels by identifying the altered spatial relationship of the aorta and pulmonary artery?
Echocardiography provides a safe, noninvasive method to diagnose dextro-transposition of the great vessels in newborns by identifying the reversed spatial relationship of the outflow tracts.
May aid noninvasive D-TGA diagnosis in newborns; hypothesis-generating from case report and leaves open prospective validation.
Experience in the echocardiographic diagnosis of dextro-transposition of the great vessels in 11 cases is presented. Transposition can be recognized by the altered spatial relationship of the great vessels characteristic of this condition. In the normal subject, the posterior out-flow vessel (aorta) is detected by medial transducer angulation while the anterior vessel (pulmonary artery) requires lateral angulation. In dextro-transposition of the great vessels, this relationship is reversed. This safe noninvasive technique is recommended in newborns when the cause of cyanosis is uncertain or when other causes of cyanosis may confuse the diagnosis.
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Gramiak et al. (1973) studied this question.
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