Clinical role, accuracy, and technical aspects of cardiovascular magnetic resonance imaging in infants

The American Journal of Cardiology
Beverly Tsai-GoodmanAndrew J Powell

Abstract

Cardiovascular magnetic resonance imaging (CMRI) has been shown to be an important alternative to echocardiography and catheterization for diagnostic imaging in older patients with congenital heart disease. However, little information is available on its clinical role, accuracy, and technical aspects in infants. We retrospectively identified all patients <1 year of age who underwent a CMRI examination at our institution over a 4-year period (from 1999 to 2002) and reviewed their medical records. Ninety-nine CMRI examinations were performed in 91 patients (median weight 4.9 kg; range 1.2 to 16.3) at a median age of 102 days (range 1 to 358). Technical modifications were used to improve signal-to-noise ratio and temporal resolution, and specialized personnel and equipment were employed. All CMRI studies were performed under general anesthesia without any complications, and all outpatients (n = 44) were discharged the same day. The primary referral questions for CMRI were delineation of the thoracic vasculature (n = 54), assessment of possible airway compression (n = 25), evaluation of cardiac tumor (n = 6), and other (n = 14). For the thoracic vasculature group, findings at surgery (n = 37) and catheterization (n = 16) were conco...Continue Reading

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