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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 26 (1984), S. 315-323 
    ISSN: 1432-1041
    Keywords: captopril ; hypertension ; glomerular filtration ; para-aminohippuric acid ; renal function ; severe drug reaction ; nephrotic syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The effect of captopril up to 450 mg/day on blood pressure and renal function were investigated during sustained treatment of 10 patients whose severe hypertension had not responded to previous therapy. All the patients were kept on diuretics and most of them on β-blockers, too. A control determination of glomerular filtration rate (GFR) and para-aminohippuric acid clearance (CPAH) was performed during the prior treatment. The effect of the addition (or substitution) of captopril were assessed after an average of 25 days (short-term) and 26 weeks (long-term). Short-term treatment produced a 15.5% decrease in mean blood pressure and interindividually variable effects on renal function. On average GFR was somewhat lower and CPAH slightly higher than the control values (not significant). This pattern is quite similar to the effects of most other antihypertensive drugs. On long-term therapy GFR rose by a mean of 9% (NS) and CPAH by 17% (p〈0.02). However, in a patient who developed a captopril-induced nephrotic syndrome, GFR dropped to 56% and CPAH to 50% of the control values. In another patient a transient rise in serum creatinine accompanied a severe drug reaction.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 31 (1986), S. 107-111 
    ISSN: 1432-1041
    Keywords: bisoprolol ; heart rate ; blood pressure ; renal clearance ; PAH clearance ; glomerular filtration rate ; plasma renin activity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The acute effects of bisoprolol 10 mg i.v., a new beta1-selective adrenoceptor antagonist, on heart rate, mean blood pressure (mBP), glomerular filtration rate (GFR), para-aminohippuric acid clearance (CPAH), sodium clearance, urine volume and plasma renin activity (PRA), were studied in 6 patients with essential hypertension. Heart rate decreased by 23%, mBP remained unchanged, and GFR decreased by 14% and CPAH by 23%. PRA was depressed on average by 25%. Urine volume and sodium clearance also declined by 9 and 13%, respectively, but the changes were not statistically significant. The fall in heart rate was significantly correlated with that in GFR and CPAH. Changes in GFR were correlated significantly with those in CPAH. The acute changes in renal function induced by bisoprolol are considered to be due to a reduction in cardiac output and increased systemic vascular resistance.
    Type of Medium: Electronic Resource
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