Buccal nitroglycerin and intravenous isosorbide dinitrate in unstable angina: a double-blind of acute administration

The aim of this study was to compare objectively the clinical and haemodynamic effects of an isosorbide dinitrate infusion with buccal nitroglycerin in patients with unstable angina, in order to evaluate the use of buccal nitroglycerin as first-line therapy in such patients