[Changes in diameters of small pulmonary venous and arterial vessels after nitroglycerin (author's transl)].


Diameters of the small arterial and venous pulmonary vessels were studied in 17 patients, using selective pulmonary angiography. The majority had coronary heart disease. Pulmonary and systemic hemodynamics were also evaluated. In 11 patients, these procedures were repeated 3 minutes after the sublingual administration of 1.6 mg of nitroglycerin (Group I… (More)