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  • Title: [Value of early vasodilator treatment with prazosin in chronic cardiac insufficiency].
    Author: Le Pailleur C, Aumont MC, Cohen-Solal A, Gourgon R, Motté G, Vacheron A.
    Journal: Arch Mal Coeur Vaiss; 1987 Oct; 80(11):1653-61. PubMed ID: 3128209.
    Abstract:
    The purpose of the present study was to find out whether the beneficial effect of prazosin in congestive heart failure persists after 2 and 6 months of treatment and whether the clinical and haemodynamic data obtained correlate with the response to treatment. Twenty-four patients of mean age 50.0 +/- 3.00 years presenting with congestive heart failure stage II (3 cases), stage III (18 cases) or stage IV (3 cases) in the NYHA functional classification were treated. All abstained from taking digitalis at least one week before treatment and were given prazosin 14.5 +/- 0.77 mg/day together with spironolactone 25 to 100 mg/day. The results of treatment were assessed by its effects on echocardiography, systolic time intervals, ejection fraction and cardiac index measured by the radioisotope method, and maximal duration of a 60-watt exercise on an ergometric bicycle. Treatment was discontinued before the 6th month in 9 out of 10 non-responders. The remaining 14 patients responded to treatment and their condition improved. Mean blood pressure rose in 6 months from 95.4 +/- 3.92 to 104 +/- 3.06 mmHg (p less than 0.05). The cardiothoracic ratio was reduced at 2 months (-0.05 +/- 0.01, p less than 0.01) and at 6 months (-0.08 +/- 0.02, p less than 0.01). Systolic time intervals were not significantly altered.(ABSTRACT TRUNCATED AT 250 WORDS)
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