Document Detail


Should we perform an echocardiogram in hypertensive patients classified as having low and medium risk?
MedLine Citation:
PMID:  16321664     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Left ventricular hypertrophy is an important predictor of cardiovascular risk and its detection contributes to risk stratification. However, echocardiography is not a routine procedure and electrocardiography (ECG) underestimates its prevalence. OBJECTIVE: To evaluate the prevalence of echocardiographic left ventricular hypertrophy in low and medium risk non-treated hypertensive subjects, in order to find out the percentage of them who would be reclassified as high risk patients. METHODS: Cross-sectional, multicenter study was performed in hospital located hypertension units. An echocardiogram was performed in 197 previously untreated hypertensive patients, > 18 years, classified as having low (61%) or medium (39%) risk, according to the OMS/ISH classification. The presence of left ventricular hypertrophy was considered if left ventricular mass index was > or = 134 or 110 g/m(2) in men and women, respectively (Devereux criteria). A logistic regression analysis was performed to identify factors associated to left ventricular hypertrophy. RESULTS: The prevalence of left ventricular hypertrophy was 23.9% (95% CI:17.9-29.9), 25.6% in men and 22.6% in women. In the low risk group its prevalence was 20.7% and in medium risk group 29.5%. Factors associated to left ventricular hypertrophy were: years since the diagnosis of hypertension, OR:1.1 (95% CI:1.003-1.227); systolic blood pressure, OR:1.08 (95% CI:1.029-1.138); diastolic blood pressure, OR:0.9 (95% CI:0.882-0.991); and family history of cardiovascular disease, OR:4.3 (95% CI:1.52-12.18). CONCLUSIONS: These findings underline the importance of performing an echocardiogram in low and high risk untreated hypertensive patients in which treatment would otherwise be delayed for even one year.
Authors:
Carmen Suárez; José Villar; Nieves Martel; Blas Gil Extremera; Najaty Suliman; Carlos Campo; Victoriano Castellanos; Antonio Liébana; Enrique Rodilla; Javier Nieto; Olga Velasco; Luis M Ruilope;
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Publication Detail:
Type:  Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  International journal of cardiology     Volume:  106     ISSN:  0167-5273     ISO Abbreviation:  Int. J. Cardiol.     Publication Date:  2006 Jan 
Date Detail:
Created Date:  2005-12-02     Completed Date:  2006-03-16     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8200291     Medline TA:  Int J Cardiol     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  41-6     Citation Subset:  IM    
Affiliation:
Servicio de Medicina Interna, Hospital Universitario de la Princesa Madrid, Diego de León 62, 28006 Madrid, Spain. csuarezf@medynet.com
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MeSH Terms
Descriptor/Qualifier:
Adult
Chi-Square Distribution
Cross-Sectional Studies
Echocardiography*
Female
Humans
Hypertension / complications*
Hypertrophy, Left Ventricular / epidemiology,  etiology,  ultrasonography*
Logistic Models
Male
Middle Aged
Patient Selection*
Prevalence
Spain / epidemiology

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


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