Comparison of Acebutolol and Propranolol Therapy for Ventricular Arrhythmias
| Autor: | Gregg Stone, Philip R. Reid, Edward V. Platia, Russell Berdoff |
|---|---|
| Rok vydání: | 1985 |
| Předmět: |
Adult
Male Cardiac Complexes Premature medicine.medical_treatment Blood Pressure Propranolol Placebo Acebutolol Random Allocation Double-Blind Method Heart Rate medicine Humans Pharmacology (medical) Aged Pharmacology Random allocation Electrocardiographic monitoring Clinical Trials as Topic Chemotherapy business.industry Middle Aged Anesthesia Cardioselective beta-blocker Ambulatory Female business medicine.drug |
| Zdroj: | The Journal of Clinical Pharmacology. 25:130-137 |
| ISSN: | 0091-2700 |
| DOI: | 10.1002/j.1552-4604.1985.tb02813.x |
| Popis: | The effects of acebutolol, a new investigational cardioselective beta blocker, and propranolol on ventricular arrhythmias were compared in 14 patients with more than 30 premature ventricular contractions (PVCs) per hour. Each patient served as their own control, receiving both drugs and placebo in random sequence and in double-blind fashion, with an intervening one-week, drug-free period. Each drug was given for a two-month period, the maximum acebutolol dosage reaching 600 mg tid and the maximum propranolol dosage 80 mg tid. Seventy-two-hour ambulatory electrocardiographic monitoring assessed arrhythmia frequency for each study period. Mean PVC counts did not significantly differ during the two control periods. Acebutolol decreased mean PVC count by 65% (P less than .02), with eight patients exhibiting a 70% or greater decrease. Only three patients exhibited a similar decline with propranolol. The incidence of PVCs was not significantly decreased by propranolol. Acebutolol reduced the number of couplets by 70% (P less than .04), whereas propranolol did not significantly affect couplets. At the dosage of 600 mg tid, acebutolol was well tolerated, effectively suppressed total PVCs and couplets, and appeared to be more effective than propranolol administered at 80 mg tid. |
| Databáze: | OpenAIRE |
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