Augmented Responses of Angiotensin I and II in Patients with Ischemic Heart Disease.

11 patients with ischemic heart disease, divided into two groups by their LV ejection fraction based on previous catheterization: preserved (EF >= 60%) and impaired (EF < 60%) LV systolic function groups.

Supine ergometer exercise

Rest (baseline) and comparison between preserved versus impaired LV function groups

Neurohormonal factors (plasma norepinephrine, plasma renin activity, aldosterone, brain natriuretic peptide, angiotensin I and II) at rest and at peak exercisesurrogate