Document Detail

Cardiovascular-associated disease in an addicted population: an observation study.
MedLine Citation:
PMID:  21135593     Owner:  NLM     Status:  In-Process    
BACKGROUND: Illicit drugs such as cocaine, and methadone can induce acquired long QT syndrome.
OBJECTIVE: The aim of this study was to evaluate the prevalence of cardiovascular disease and to assess the risk of torsades de pointes in substance abuse patients either with methadone or buprenorphine maintenance therapy, or without any specific therapy for opiate addiction.
METHODS: From November 2008 to December 2009, 190 patients (153 men, mean age 38.2 years, 22-56 years) with a substance use disorder according to DSM IV TR criteria were included in the study. All patients underwent blood tests, serial electrocardiogram (ECG) and, when necessary, additional testing, including echocardiogram, exercise test and Holter monitoring. Age and sex-matched healthy controls were also evaluated and compared with the cases.
RESULTS: One hundred and twenty-five patients (65.7%) had associated diseases. The prevalence of coronary artery disease and hypertension was, respectively, 2.1 and 5.2% in the addicted population. The percentage of abnormal ECGs was 34.2% in the addicted population and 4.7% in the nonaddicted population (P < 0.001). Twenty-five addicted patients had a QT interval prolongation (10 patients ≥ 480 ms). There were no sudden deaths or major cardiac events during the observation period.
CONCLUSIONS: Our results indicate that the QT interval prolongation is not a negative prognostic marker in the addicted population, even with associated diseases. ECG should be performed when other drugs potentially prolonging QT interval are associated. Substance abuse patients should be followed by multidisciplinary teams, and blood tests and ECGs should be performed regularly.
Daniela Demarie; Giovanna Marletta; Massimo Imazio; Carolina Cappa; Silvia Ferro; Roberto Compostino; Enrico De Vivo; Rita Trinchero; Emanuele Bignamini
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cardiovascular medicine (Hagerstown, Md.)     Volume:  12     ISSN:  1558-2035     ISO Abbreviation:  J Cardiovasc Med (Hagerstown)     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-01-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101259752     Medline TA:  J Cardiovasc Med (Hagerstown)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  51-4     Citation Subset:  IM    
Cardiology Department, ASL Torino, Italy.
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