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- W272525173 abstract "This study investigated the long-term outcome of patients with coronary artery constriction induced with ergonovine but not associated with ischemic electrocardiographic changes.The ergonovine provocation test was performed in 419 patients with suspected but unproven variant angina. Ergonovine maleate was administered into the coronary arteries at 8 micrograms/min for 5 min during cardiac catheterization. Patients were categorized into three groups according to their response to ergonovine. The positive group contained patients who developed coronary constriction of more than 90% in diameter associated with ischemic electrocardiographic changes and chest pain. The intermediate group contained patients who had coronary constriction of more than 90% but no electrocardiographic changes. The negative group contained patients who had neither significant coronary constriction nor ST segment changes.There were 305 patients, 49, and 65 in the negative, intermediate, and positive groups, respectively. Death occurred in six patients (2%), one (2%), and one (2%) in the negative, intermediate, and positive groups, respectively. Sudden cardiac death occurred in one patient in the negative group. Recurrence of chest pain with effectiveness of sublingual administration of nitroglycerine was observed in 26 patients (9%), 10 (20%), and 11 (17%) in the negative, intermediate, and positive groups, respectively.Some patients in the intermediate group might show false negative response to ergonovine so careful treatment with calcium antagonists should be continued in patients in the intermediate group as well as patients with vasospastic angina." @default.
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- W272525173 date "2001-06-01" @default.
- W272525173 modified "2023-09-27" @default.
- W272525173 title "Long-term outcome of patients with ergonovine induced coronary constriction not associated with ischemic electrocardiographic changes." @default.
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