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Revista argentina de cardiología

On-line version ISSN 1850-3748


GONZALEZ, Julián; AZZATO, Francisco; AMBROSIO, Giuseppe  and  MILEI, José. Sudden Death in Indeterminate Chagas disease is Uncommon: A Systematic ReviewSudden Death in Indeterminate Chagas' Disease is Uncommon: A Systematic Review. Rev. argent. cardiol. [online]. 2012, vol.80, n.3, pp.242-249. ISSN 1850-3748.

Chagas disease is a serious health care problem in Latin America due to its high prevalence, morbidity and mortality. The migration from Latin American countries to the United States and Europe has disseminated a significant number of infected subjects. Most patients present the indeterminate form of the disease and remain without symptoms for decades. However, some groups believe that patients with the indeterminate form are at high risk for developing sudden death although no studies have been designed to investigate this issue. We conducted a systematic review of follow-up studies in patients with asymptomatic Chagas disease, normal ECG and known cause of death. We found 15 articles including 9382 patients. Mortality rate in asymptomatic patients with normal ECG was very low (0.92%) and similar to that of controls without Chagas disease (p=0.38). This systematic review shows that sudden death is uncommon in the indeterminate form of the disease and that the risk of death is similar to that of the general population. Thus, these patients should be allowed to lead a normal working life and to practice physical activity, without alarming them unnecessarily about their condition or indicating sophisticated and expensive studies. Regular follow-up is necessary as the death risk increases considerably when the disease progresses to the cardiac form.

Keywords : Chagas Disease; Death; Sudden; Cardiac.

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