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Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado

2018, Number 1

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Rev Esp Med Quir 2018; 23 (1)

Magnetic resonance imaging in the study of complex congenital heart diseases: Diagnostic contribution

Rivas-D’Aniello MG, Rosales-Uvera SG, Antúnez-Sánchez SP, Orozco-Vázquez JS, Aceves-Chimal JL

Language: Spanish
References: 17
Page: 16-19
PDF size: 145.20 Kb.


ABSTRACT

The precise diagnosis of complex congenital heart diseases is a difficult scenario to solve with conventional echocardiography despite its advances in diagnostic imaging and software. Cardiac magnetic resonance has evolved in a very important way and has provided an image resolution that allows to accurately identify anatomical abnormalities in different organs, including the heart. In this article we evaluate the complementation of these two diagnostic modalities in patients with complex congenital heart disease. Material and method: We included patients with congenital heart disease treated at the Service of Diagnostic and Therapeutic Imaging and Echocardiography of the National Medical Center November 20 of the ISSSTE. The echocardiographic study was performed with a Philips iE33 device and magnetic resonance imaging with a 3 Teslas Siemens resonator, with RN cinematic sequences (SSFP) with a cut thickness of 8 mm and a separation of 2 mm. The anatomic characterization was performed with double IR (T1W image in black blood) and T1 GRE images after administration of gadolinium at doses of 0.2 mmol / kg to assess myocardial viability in search of fibrosis. The images were analyzed with the Osirix MD interpretation software version 8.0.1. Results: We analyzed 36 patients between 1 and 26 years of age, male 20 (55%) and female 16 (45%). The most frequent complex congenital heart diseases were tetralogy of Fallot and pulmonary stenosis with ventricular septal defect. The concordance index between both imaging techniques was 98% and the cardiac magnetic resonance imaging provided additional information in the diagnostic accuracy useful for the planning of the surgical procedure. Conclusion: Magnetic resonance imaging contributes with image clarity that improves the complementation of the diagnostic accuracy of complex congenital heart diseases, with a diagnostic concordance with echocardiography of 98%.


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