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Myocarditis Outbreak among Adults, Illinois, 2003
Gregory D Huhn1, Cindy Gross, David Schnurr
1Centers for Disease Control and Prevention, Atlanta, Georgia , USA. Gregory_Huhn@rush.edu
Emerging Infectious Diseases
|December 2, 2005
Abstract:
An outbreak of myocarditis occurred among adults in Illinois in 2003. Diagnostic testing of myocardial tissues from 3 patients and comprehensive tests for enterovirus and adenovirus of other specimens from patients were inconclusive. Appropriate specimen collection from patients with idiopathic cardiomyopathy and further enhancement of diagnostic techniques are needed.
Insights
An outbreak of myocarditis in Illinois adults was investigated. Diagnostic tests for enterovirus and adenovirus in patient samples were inconclusive, indicating a need for improved diagnostic methods.
Area of Science:
- Cardiology
- Infectious Diseases
- Pathology
Background:
- An unexplained outbreak of myocarditis occurred in Illinois adults in 2003.
- Myocarditis is an inflammation of the heart muscle, potentially leading to serious cardiac complications.
Purpose of the Study:
- To investigate the cause of the 2003 myocarditis outbreak in Illinois.
- To evaluate diagnostic testing for enterovirus and adenovirus in affected patients.
Main Methods:
- Diagnostic testing of myocardial tissues from three patients.
- Comprehensive testing for enterovirus and adenovirus in other patient specimens.
Main Results:
- Diagnostic tests on myocardial tissues were inconclusive.
- Comprehensive enterovirus and adenovirus testing yielded inconclusive results.
Conclusions:
- Current diagnostic techniques were insufficient to identify the cause of the myocarditis outbreak.
- Improved specimen collection and enhanced diagnostic methods are necessary for future investigations of idiopathic cardiomyopathy and related outbreaks.
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