Chagas Disease as an Undiagnosed Type of Cardiomyopathy in the United States
Summary
A detailed review was made of data pertinent to the occurrence of chronic Chagas disease in the United States.
Description
BACKGROUND:
In Latin America, 16 to 18 million individuals are thought to have Chagas' disease and 90 million are considered to be at risk of infection. In the United States, the occurrence of Chagas' disease is virtually limited to individuals who have resided in Latin America where they acquired the infection, and then migrated to this country.
DESIGN NARRATIVE:
Data on the prevalence of positive serologic reactions for Trypanosoma cruzi (a protozoan causing Chagas cardiomyopathy) serve for calculating that a total of up to 74,000 Latin Americans residing in the United States have the chronic form of chagasic cardiomyopathy. The vast majority of these individuals are either undiagnosed, or misdiagnosed as having idiopathic dilated cardiomyopathy or coronary artery disease. Vector transmission of T. cruzi infection is very unlikely to occur in the United States because of variations in biological behavior of local species of insect vectors and because of changes in human living conditions. Transfusion of blood from infected but asymptomatic individuals is considered the most important mechanism of transmission of this disorder in the United States.
Study Design
Observational Model: Natural History
Conditions
Heart Diseases
Status
Completed
Source
National Heart, Lung, and Blood Institute (NHLBI)
Results (where available)
Links
- Source: http://clinicaltrials.gov/show/NCT00005455
- Information obtained from ClinicalTrials.gov on July 15, 2010
Published on BioPortfolio: 2014-07-23T21:56:35-0400
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Medical and Biotech [MESH] Definitions
Ventricular Outflow Obstruction
Occlusion of the outflow tract in either the LEFT VENTRICLE or the RIGHT VENTRICLE of the heart. This may result from CONGENITAL HEART DEFECTS, predisposing heart diseases, complications of surgery, or HEART NEOPLASMS.
Cardiac Conduction System Disease
Diseases characterized by pathological irregularities in the HEART CONDUCTION SYSTEM. They may be associated with other heart diseases and syndromes (e.g., BRUGADA SYNDROME; NEUROMUSCULAR DISEASE, HEART BLOCKS), isolated or may result from injuries. You can have a conduction disorder without having an arrhythmia, but some arrhythmias arise from conduction disorders. OMIM: 601144.
Noncommunicable Diseases
Diseases of long duration and generally slow progression. The four main types of noncommunicable diseases are CARDIOVASCULAR DISEASES (e.g., heart attacks and stroke), CANCER, chronic respiratory diseases (e.g., CHRONIC OBSTRUCTIVE PULMONARY DISEASE and ASTHMA) and DIABETES MELLITUS.
Heart Diseases
Pathological conditions involving the HEART including its structural and functional abnormalities.
American Heart Association
A voluntary organization concerned with the prevention and treatment of heart and vascular diseases.
