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Congestive heart failure after acute myocardial infarction in patients receiving antiarrhythmic agents for ventricular premature complexes (Cardiac Arrhythmia Pilot Study). 1989

H L Greene, and D W Richardson, and A P Hallstrom, and R McBride, and R J Capone, and A H Barker, and D M Roden, and D S Echt
CAPS Coordinating Center, University of Washington, Seattle 98105.

The Cardiac Arrhythmia Pilot Study (CAPS) was a randomized, double-blind trial of antiarrhythmic drugs (encainide, flecainide, moricizine, imipramine and placebo) in 502 patients with an ejection fraction greater than 0.20 and at least 10 ventricular premature complexes/hour, 6 to 60 days after acute myocardial infarction. Patients were followed for 1 year and the incidence of new or worsened congestive heart failure (CHF) was evaluated. Heart failure in the 1-year follow-up was gauged by the development (in order of increasing severity) of new symptoms (grade 1), the need for a change in therapy, including addition of digitalis, addition or increase of dose of diuretics or afterload reduction agents or discontinuation of beta-blocking agents (grade 2), or by hospitalization (grade 3). Sixty-one of 502 patients (12%) required hospitalization for CHF in the 1-year follow-up. One hundred five of 403 patients (26%) in the active treatment group and 18 of 99 patients (18%) in the placebo group (difference not significant) developed CHF requiring hospitalization or a change in therapy or both. Although patients with severely impaired ejection fraction were excluded, new or worsened CHF was common in follow-up during CAPS.

UI MeSH Term Description Entries
D007099 Imipramine The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group. Imidobenzyle,Imizin,4,4'-Methylenebis(3-hydroxy-2-naphthoic acid)-3-(10,11-dihydro-5H-dibenzo(b,f)azepin-5-yl)-N,N-dimethyl-1-propanamine (1:2),Imipramine Hydrochloride,Imipramine Monohydrochloride,Imipramine Pamoate,Janimine,Melipramine,Norchlorimipramine,Pryleugan,Tofranil
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009203 Myocardial Infarction NECROSIS of the MYOCARDIUM caused by an obstruction of the blood supply to the heart (CORONARY CIRCULATION). Cardiovascular Stroke,Heart Attack,Myocardial Infarct,Cardiovascular Strokes,Heart Attacks,Infarct, Myocardial,Infarction, Myocardial,Infarctions, Myocardial,Infarcts, Myocardial,Myocardial Infarctions,Myocardial Infarcts,Stroke, Cardiovascular,Strokes, Cardiovascular
D010640 Phenothiazines Compounds containing dibenzo-1,4-thiazine. Some of them are neuroactive.
D011897 Random Allocation A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects. Randomization,Allocation, Random
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D005117 Cardiac Complexes, Premature A group of cardiac arrhythmias in which the cardiac contractions are not initiated at the SINOATRIAL NODE. They include both atrial and ventricular premature beats, and are also known as extra or ectopic heartbeats. Their frequency is increased in heart diseases. Ectopic Heartbeats,Extrasystole,Premature Beats,Premature Cardiac Complexes,Cardiac Complex, Premature,Extrasystoles,Premature Cardiac Complex,Beat, Premature,Beats, Premature,Complexes, Premature Cardiac,Ectopic Heartbeat,Heartbeat, Ectopic,Heartbeats, Ectopic,Premature Beat,Premature Cardiac Complices
D005260 Female Females
D005424 Flecainide A potent anti-arrhythmia agent, effective in a wide range of ventricular and atrial ARRHYTHMIAS and TACHYCARDIAS. Flecainide Acetate,Apocard,Flecadura,Flecainid-Isis,Flecainide Monoacetate,Flecainide Monoacetate, (+-)-Isomer,Flecainide Monoacetate, (R)-Isomer,Flecainide Monoacetate, (S)-Isomer,Flecainide, (R)-Isomer,Flecainide, (S)-Isomer,Flecainide, 5-HO-N-(6-oxo)-Derivative,Flecainide, 5-HO-N-(6-oxo)-Derivative, (+-)-Isomer,Flecatab,Flécaïne,R818,Tambocor,Flecainid Isis

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