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Eating is a known precipitant of angina attacks. This study shows that postprandial angina is a marker for extensive coronary disease.
Researchers administered a questionnaire to 408 subjects referred for coronary angiography, including 61 percent with unstable angina. Nine percent (35 patients) reported postprandial angina, occurring mostly after dinner. Compared with the other 373 patients, those with postprandial angina had more non-postprandial rest angina (83 vs. 51 percent), more diagnosed unstable angina (94 vs. 58 percent), and worse left-ventricular function (ejection fractions, 0.39 vs. 0.47). They also had more severe coronary disease documented by angiography, including left-main disease (34 vs. 10 percent) and three-vessel disea…