Document Detail


Adherence to antihypertensive medications and cardiovascular morbidity among newly diagnosed hypertensive patients.
MedLine Citation:
PMID:  19805653     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Nonadherence to antihypertensive treatment is a common problem in cardiovascular prevention and may influence prognosis. We explored predictors of adherence to antihypertensive treatment and the association of adherence with acute cardiovascular events. METHODS AND RESULTS: Using data obtained from 400 Italian primary care physicians providing information to the Health Search/Thales Database, we selected 18,806 newly diagnosed hypertensive patients >or=35 years of age during the years 2000 to 2001. Subjects included were newly treated for hypertension and initially free of cardiovascular diseases. Patient adherence was subdivided a priori into 3 categories-high (proportion of days covered, >or=80%), intermediate (proportion of days covered, 40% to 79%), and low (proportion of days covered, <or=40%)-and compared with the long-term occurrence of acute cardiovascular events through the use of multivariable models adjusted for demographic factors, comorbidities, and concomitant drug use. At baseline (ie, 6 months after index diagnosis), 8.1%, 40.5%, and 51.4% of patients were classified as having high, intermediate, and low adherence levels, respectively. Multiple drug treatment (odds ratio, 1.62; 95% CI, 1.43 to 1.83), dyslipidemia (odds ratio, 1.52; 95% CI, 1.24 to 1.87), diabetes mellitus (odds ratio, 1.40; 95% CI, 1.15 to 1.71), obesity (odds ratio, 1.50; 95% CI, 1.26 to 1.78), and antihypertensive combination therapy (odds ratio, 1.29; 95% CI, 1.15 to 1.45) were significantly (P<0.001) associated with high adherence to antihypertensive treatment. Compared with their low-adherence counterparts, only high adherers reported a significantly decreased risk of acute cardiovascular events (hazard ratio, 0.62; 95% CI, 0.40 to 0.96; P=0.032). CONCLUSIONS: The long-term reduction of acute cardiovascular events associated with high adherence to antihypertensive treatment underscores its importance in assessments of the beneficial effects of evidence-based therapies in the population. An effort focused on early antihypertensive treatment initiation and adherence is likely to provide major benefits.
Authors:
Giampiero Mazzaglia; Ettore Ambrosioni; Marianna Alacqua; Alessandro Filippi; Emiliano Sessa; Vincenzo Immordino; Claudio Borghi; Ovidio Brignoli; Achille P Caputi; Claudio Cricelli; Lorenzo G Mantovani
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-10-05
Journal Detail:
Title:  Circulation     Volume:  120     ISSN:  1524-4539     ISO Abbreviation:  Circulation     Publication Date:  2009 Oct 
Date Detail:
Created Date:  2009-10-20     Completed Date:  2009-11-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0147763     Medline TA:  Circulation     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1598-605     Citation Subset:  AIM; IM    
Affiliation:
Health Search, Italian College of General Practitioners, Florence, Italy. mazzaglia.giampiero@simg.it
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MeSH Terms
Descriptor/Qualifier:
Aged
Antihypertensive Agents / therapeutic use*
Cardiovascular Diseases / epidemiology,  etiology,  prevention & control*
Cohort Studies
Databases, Factual
Diabetes Complications
Drug Therapy, Combination
Dyslipidemias / complications
Female
Humans
Hypertension / complications,  drug therapy*,  psychology*
Incidence
Male
Middle Aged
Obesity / complications
Patient Compliance*
Chemical
Reg. No./Substance:
0/Antihypertensive Agents
Comments/Corrections
Comment In:
Circulation. 2009 Oct 20;120(16):1558-60   [PMID:  19805645 ]

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


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