Surgical therapy of variant angina associated with nonobstructive coronary disease.
Patients with variant angina refractory to medical therapy pose a difficult management problem. We report two patients with variant angina who had focal spasm in coronary arteries with fixed obstructions of less than 20% of the luminal diameter. Ischemic episodes were accompanied by malignant ventricular arrhythmias and third degree atrioventricular block. Symptoms were refractory to intensive medical management with nitrates and calcium blocking agents in one patient and with nitrates in the other who was treated before calcium blockers were available. Surgery was done; a bypass graft was placed distal to the area of focal spasm and the native artery was ligated proximally. Both patients are asymptomatic 24 and 66 months after surgery and neither takes anginal medication regularly. The surgical procedure outlined should be considered only if therapy to control life threatening ischemic symptoms with nitrates and calcium blocking agents fails.
Published In/Presented At
Sussman, E. J., Goldberg, S., Poll, D. S., MacVaugh, H., 3rd, Simson, M. B., Silber, S. A., & Kastor, J. A. (1981). Surgical therapy of variant angina associated with nonobstructive coronary disease. Annals of internal medicine, 94(6), 771–774. https://doi.org/10.7326/0003-4819-94-6-771
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