Document Detail

Combination of nifedipine and carteolol compared to nifedipine alone in diurnal blood pressure variation and exercise blood pressure in patients with essential hypertension.
MedLine Citation:
PMID:  1576623     Owner:  NLM     Status:  MEDLINE    
A combination of nifedipine (40 mg twice daily) plus carteolol (10 mg twice daily) was compared with nifedipine monotherapy in ten patients with essential hypertension. Ambulatory blood pressure (BP) monitoring over 24 hours and treadmill exercise testing were performed before treatment with nifedipine (but after the placebo period), after four weeks of nifedipine treatment, and after four weeks of nifedipine+carteolol combination therapy. At the end of nifedipine monotherapy, 24-hour average ambulatory BP, minimum ambulatory BP during sleep, maximum ambulatory BP, and casual BP all decreased significantly (P less than 0.01). However, the standard deviation (SD) of the ambulatory BP was not affected. The change in systolic BP response to treadmill exercise increased. After a four-week period of nifedipine+carteolol combination therapy, average ambulatory BP and maximum ambulatory BP were further decreased (P less than 0.01). The SD of the ambulatory BP and the change in BP response to exercise were significantly decreased (P less than 0.01), but the minimum ambulatory BP was not affected. These findings suggest that nifedipine and carteolol differ in their influence on diurnal BP variation and on exercise-induced BP elevation. Carteolol may mainly attenuate stress-induced BP elevation and have little influence on nocturnal BP decline. In contrast, nifedipine may affect the BP profile uniformly over the entire day. Nifedipine+carteolol combination therapy may be superior to nifedipine monotherapy because carteolol has a minimal effect on nocturnal BP and decreases stress-induced BP elevation.
I Inoue; H Matsuura; T Fujii; T Ishida; R Ozono; M Kainouchi; Y Tsuchioka; G Kajiyama
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article    
Journal Detail:
Title:  Clinical therapeutics     Volume:  14     ISSN:  0149-2918     ISO Abbreviation:  Clin Ther     Publication Date:    1992 Jan-Feb
Date Detail:
Created Date:  1992-06-11     Completed Date:  1992-06-11     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7706726     Medline TA:  Clin Ther     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  22-9     Citation Subset:  IM    
First Department of Internal Medicine, Hiroshima University School of Medicine, Japan.
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MeSH Terms
Blood Pressure / drug effects*,  physiology
Carteolol / therapeutic use*
Circadian Rhythm / drug effects*,  physiology
Drug Administration Schedule
Drug Therapy, Combination
Exercise / physiology*
Exercise Test
Hypertension / drug therapy*
Middle Aged
Nifedipine / therapeutic use*
Reg. No./Substance:
21829-25-4/Nifedipine; 51781-06-7/Carteolol

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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