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  • Title: [MRI in postoperative assessment of univentricular heart disease: correlation with echocardiography and angiography].
    Author: Weiss F, Habermann CR, Lilje C, Sasse K, Kühne T, Weil J, Adam G.
    Journal: Rofo; 2002 Dec; 174(12):1537-43. PubMed ID: 12471526.
    Abstract:
    PURPOSE: To determine the value of MRI in the postoperative evaluation of a singular ventricle compared to echocardiography and cardiac catheterization. MATERIALS AND METHODS: Thirty-one patients (range: 6 months to 30 years) with a functional single ventricle following palliative corrective operations. Five patients had a Blalock-Taussig-Shunt, 8 patients a Glenn-Anastomosis and 18 a cavopulmonary shunt (6 with classic Fontan-Circulation, 12 with modified cavopulmonary anastomosis). The results in terms of postoperative morphologic changes were compared to percutaneous echocardiography (31/31) and cardiac catheterization (6/31). RESULTS: Echocardiography, which was performed on all patients, could not visualize the entire length of the tunnel, the Glenn-Anastomosis or the central pulmonary arteries in 70 % of the patients due to an inadequate acoustic window. MRI was able to show the entire tunnel in 11/12 patients and the central pulmonary arteries in 30/31 patients. The exact anatomy was seen in all 6 patients undergoing cardiac catheterization. CONCLUSION: MRI is useful in the postoperative evaluation of a functionally single ventricle. It is superior to echocardiography. Cardiac catheterization should be reserved for patients with inconclusive MRI findings.
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