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  • Title: Exercise performance during captopril and atenolol treatment in hypertensive patients.
    Author: Van Baak MA, Koene FM, Verstappen FT, Tan ES.
    Journal: Br J Clin Pharmacol; 1991 Dec; 32(6):723-8. PubMed ID: 1768565.
    Abstract:
    1. Maximal aerobic exercise capacity, submaximal endurance exercise performance, and exercise haemodynamics have been studied in sixteen patients with mild to moderate essential hypertension during treatment with captopril and atenolol. 2. Administration of atenolol (1 x 100 mg day-1) or captopril (1 x 100 mg day-1) for 6 weeks resulted in similar supine and erect systolic and diastolic blood pressures. Heart rate was significantly lower during atenolol treatment. 3. Exercise heart rate and systolic blood pressure were significantly lower during atenolol than during captopril treatment, exercise diastolic blood pressure (at 100W) did not differ significantly. With atenolol exercise cardiac output was significantly lower and exercise stroke volume significantly higher than with captopril. 4. Maximal work rate, maximal oxygen consumption and maximal heart rate were significantly lower during atenolol than during captopril treatment (respectively 6%, 8% and 25%). Maximal respiratory exchange ratio and lactate concentration did not differ. 5. No statistically significant difference in submaximal endurance time between atenolol and captopril was found. Endurance time was reduced by 19% during atenolol and by 13% during captopril as compared with placebo. No difference in rating of perceived exertion between atenolol and captopril was present. 6. The results indicate that atenolol will reduce blood pressure during exercise more effectively than captopril in patients with hypertension. The limitation of submaximal endurance exercise performance by both agents is of similar magnitude. This may be regarded as an unwanted side effect in certain physically active patients with hypertension.
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