Combined effects of nitrates on the coronary and peripheral circulation in exercise-induced ischemia

Patrick M. De Coster, Sergio Chierchia, Graham J. Davies, David Hackett, Gabriele Fragasso, Attilio Maseri

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We compared the effects of isosorbide dinitrate (ISDN) administered by intracoronary and intravenous routes in 10 patients with severe coronary artery disease, stable effort angina, and very low exercise tolerance. Supine bicycle ergometer exercise was performed under four conditions: 1) control, 2) after intracoronary administration of 0.4 mg ISDN, 3) 1 hour later (control 2), and 4) after administration of intravenous 4 mg ISDN. At rest, intracoronary ISDN caused no significant hemodynamic effects, whereas intravenous infusion of ISDN resulted in a decline in left ventricular (LV) systolic pressure (-20±5 mm Hg), LV end-diastolic volume (-27±3%), and LV end-systolic volume (-30±4%). After intracoronary infusion of ISDN, ST segment depression and the increase in LV end-diastolic pressure and LV end-systolic volume induced by exercise were significantly less abnormal than during control (0.20±0.09 vs. 0.14±0.08 mV, 36±7 vs. 24±8 mm Hg, and 91±40% vs. 40±29%, respectively). When exercise was performed after intravenous infusion of ISDN, the above-mentioned parameters were significantly improved even further: ST segment depression to 0.05±0.07 mV, end-diastolic pressure to 14±7 mm Hg, and LV end-systolic volume to 5±11% (all p

Original languageEnglish
Pages (from-to)1881-1886
Number of pages6
JournalCirculation
Volume81
Issue number6
Publication statusPublished - 1990

Fingerprint

Isosorbide Dinitrate
Coronary Circulation
Nitrates
Ischemia
Exercise
Stroke Volume
Blood Pressure
Intravenous Infusions
Exercise Tolerance
Stable Angina
Ventricular Pressure
Intravenous Administration
Coronary Artery Disease
Hemodynamics

Keywords

  • Angina
  • Exercise
  • Nitrates

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

De Coster, P. M., Chierchia, S., Davies, G. J., Hackett, D., Fragasso, G., & Maseri, A. (1990). Combined effects of nitrates on the coronary and peripheral circulation in exercise-induced ischemia. Circulation, 81(6), 1881-1886.

Combined effects of nitrates on the coronary and peripheral circulation in exercise-induced ischemia. / De Coster, Patrick M.; Chierchia, Sergio; Davies, Graham J.; Hackett, David; Fragasso, Gabriele; Maseri, Attilio.

In: Circulation, Vol. 81, No. 6, 1990, p. 1881-1886.

Research output: Contribution to journalArticle

De Coster, PM, Chierchia, S, Davies, GJ, Hackett, D, Fragasso, G & Maseri, A 1990, 'Combined effects of nitrates on the coronary and peripheral circulation in exercise-induced ischemia', Circulation, vol. 81, no. 6, pp. 1881-1886.
De Coster PM, Chierchia S, Davies GJ, Hackett D, Fragasso G, Maseri A. Combined effects of nitrates on the coronary and peripheral circulation in exercise-induced ischemia. Circulation. 1990;81(6):1881-1886.
De Coster, Patrick M. ; Chierchia, Sergio ; Davies, Graham J. ; Hackett, David ; Fragasso, Gabriele ; Maseri, Attilio. / Combined effects of nitrates on the coronary and peripheral circulation in exercise-induced ischemia. In: Circulation. 1990 ; Vol. 81, No. 6. pp. 1881-1886.
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