Why the study?
Does nifedipine improve symptoms in patients with Prinzmetal's variant angina?
Does nifedipine improve symptoms in patients with Prinzmetal's variant angina?
Nifedipine provides complete symptom relief in patients with Prinzmetal's variant angina, including those who experience symptom recurrence after surgical revascularization.
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May relieve refractory Prinzmetal angina symptoms; case reports leave open need for randomized confirmation.
Endo et al. (1975) studied this question.
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