Copyright © 1993 by the European Society of Cardiology.
© 1993 The European Society of Cardiology
Effects of early use of captopril on haemodynamics and short-term ventricular remodelling in acute anterior myocardial infarction


*Coronary Care Unit University Hospital "Virgen de la Arrixaca" Murcia, Spain
Nuclear Medicine, University Hospital Virgen de la Arrixaca Murcia, Spain
Cardiology Department, University Hospital Virgen de la Arrixaca Murcia, Spain
Received 22 November 1991; revised 28 May 1992; .
Correspondence: José Galcerá Tomás. Coronary Care Unit, Hospital Universitario virgen de la Arrixaca, El Palmar, Carretera Cartagena, Murcia, Spain
Abstract
To determine whether ventricular short-term enlargement following acute myocardial infarction is related to increased left filling pressures and whether early treatment with captopril alters this process we studied 68 patients with a first acute myocardial infarction. Forty patients with a pulmonary capillary pressure equal or above 17 mm Hg were randomized to treatment with conventional therapy plus captopril(n 20) or placebo(n 20), in a double blind fashion. Tile remaining 28 patients (non-dysfunction group) were treated conventionally. During the first 72 h, afterload showed a prompt decrease in the captopril group as compared to placebo. Changes from baseline to 14 days in end-diastolic and end-systolic left ventricular volume indexes determined by radionuclide ventriculography were: non-dysfunction, 85.6( ± 21) vs 88(±20) and 44(±17) vs 44(±17)ml. m2 captopril(n20), 96.6(±18) vs 99(±19) and 66(±22) vs 65(±22)ml. m2; placebo(n 20), 96(±25) vs 113(±19) (P <0.001) and 63(±18) vs 74(±22)ml. m2 (P <0.01)
This study indicates that short-term ventricular enlargement is related to the degree of ventricular dysfunction and that captopril may improve this process.
Key Words: Myocardial infarction Captopril ventricular remodelling
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