Acquired left coronary artery fistula to right ventricular outflow tract |
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Authors: | T. C. Konings M. Groenink B. J. Bouma B. J. M. Mulder |
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Affiliation: | 1Department of Cardiology, VU Medical Center, Amsterdam, the Netherlands;2Department of Cardiology, Academic Medical Center, Amsterdam, the Netherlands;3Department of Cardiology Academic Medical Center Amsterdam, the Netherlands, Department of Cardiology University Medical Center Utrecht, the Netherlands |
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Abstract: | A 59-year-old asymptomatic male was referred to our hospital for evaluation 44 years after surgical correction of a Fallot’s tetralogy. Transthoracic echocardiography showed a good surgical result with only a mild subvalvular pulmonary stenosis and mild pulmonary regurgitation. However, in the parasternal short axis a diastolic colour Doppler flow was seen in the right ventricular outflow tract with a maximum velocity over 4 m/s (figure 1). Pulmonary regurgitation seemed very unlikely because of the high velocity in the absence of elevated pulmonary artery pressure. Because a fistula was suspected, a multislice computer tomography scan was performed. |
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