Why the study?
Does intracoronary nitroglycerin improve recovery in patients with coronary-artery spasm and hemodynamic collapse immediately after myocardial revascularization?
Does intracoronary nitroglycerin improve recovery in patients with coronary-artery spasm and hemodynamic collapse immediately after myocardial revascularization?
Coronary-artery spasm immediately after myocardial revascularization can cause fatal circulatory collapse that may be refractory to intravenous therapy but responsive to intracoronary nitroglycerin.
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Intracoronary nitroglycerin may aid recovery in refractory post-revascularization spasm; hypothesis-generating case observations leave efficacy unproven.
Buxton et al. (1981) studied this question.
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