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False-negative myocardial scintigraphy in balanced three-vessel disease,revealed by coronary pressure measurement
Authors:Aarnoudse Wilbert H  Botman Kees-Joost B M  Pijls Nico H J
Institution:Department of Cardiology, Catharina Hospital, Eindhoven, The Netherlands.
Abstract:In nuclear perfusion imaging of the myocardium, a false-negative test result in patients with balanced three-vessel disease is a well-known pitfall. This paper describes a patient with typical chest pain and a negative myocardial perfusion scintigram. At coronary angiography, intermediate stenoses in the left anterior descending (LAD), left circumflex (LCX), and right coronary (RCA) arteries were present. Fractional flow reserve, measured by coronary pressure measurement, was 0.54, 0.56, and 0.66 respectively for the LAD, LCX, and RCA, unequivocally demonstrating the presence of balanced three-vessel disease. The patient underwent successful bypass surgery and remained event-free thereafter.
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