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Published on: February 17, 2018
[Chagas cardiomyopathy: prognosis in clinical and hemodynamic profile C]
Juliano Cardoso1, Milena Novaes, Marcelo Ochiai
1InCor Hospital de Cotoxó, HCFMUSP, São Paulo, SP, Brasil. julianonc@cardiol.br
Insights
Patients with advanced heart failure (HF) and Chagas disease have a significantly worse prognosis. Chagas cardiomyopathy is an independent predictor of mortality in decompensated heart failure patients with profile C.
Area of Science:
- Cardiology
- Infectious Diseases
- Public Health
Context:
- Patients with heart failure (HF) presenting with poor perfusion and congestion (clinical-hemodynamic profile C) exhibit the worst prognosis in decompensated HF.
- Etiology of cardiomyopathy significantly impacts outcomes in advanced HF, yet remains understudied.
Purpose:
- To evaluate the prognosis of patients admitted with clinical-hemodynamic profile C.
- To determine the influence of cardiomyopathy etiology, specifically Chagas disease, on patient outcomes in advanced HF.
Summary:
- A cohort study included 100 patients with advanced HF (LVEF < 45.0%, functional class IV, profile C), divided into chagasic (Ch) and non-chagasic (NCh) groups.
- Chagasic patients were younger and had lower systolic blood pressure. Over 25 months, mortality was 66.7% for Ch versus 37.3% for NCh (p=0.019).
- Chagas disease was identified as an independent predictor of poor prognosis (RR 2.75).
Impact:
- This study highlights Chagas disease as a critical factor influencing mortality in advanced heart failure.
- Findings underscore the need for considering Chagas etiology in risk stratification and management of HF patients.
Background:
patients with heart failure (HF) who are admitted showing poor perfusion and congestion (clinical-hemodynamic profile C) are the group that evolves with the worst prognosis in decompensated heart failure. However, there is little information in literature on the etiology of cardiopathy influences the outcome of patients in advanced stage.
Objective:
to assess the outcome of patients admitted with clinical and hemodynamic profile C and verify the role of the etiology in this phase.
Methods:
a cohort study was performed including patients with left ventricle ejection fraction (LVEF) < 45.0%, functional class IV and hospitalization presenting clinical-hemodynamic profile C. The group was divided into patients with chagasic (Ch) and non chagasic (NCh) cardiomyopathy. Statistical analysis used Student t test, Fisher exact test, chi-square and SPSS tests. The significance of p < 0.05 was considered.
Results:
one hundred patients, with mean age 57.6 ± 15.1 years and mean LVEF of 23.8 ± 8.5%, were included. Among the patients studied, 33.0% were chagasic and, in comparison with NCh, had lower systolic blood pressure (Ch 89.3 ± 17.1 mmHg versus NCh 98.8 ± 21.7 mmHg, p = 0.03 ) and lowest average age - Ch 52.9 ± 14.5 years versus NCh 59.8 ± 14.9 years, p = 0.03). During follow-up of 25 months, mortality was 66.7% for Ch and 37.3% in NCh (p = 0.019). The Chagas disease etiology was an independent marker of poor prognosis in multivariate analysis with risk ratio of 2.75 (HF 95.0%, from 1.35 to 5.63).
Conclusion:
in patients with advanced HF, Chagas disease is an important predictor of the worst prognosis.
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