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Congestive cardiomyopathy in infants and children. Clinical features and natural history
Insights
Congestive cardiomyopathy in children has a high mortality rate, especially in infants under one year. Early treatment response and initial heart size significantly impact prognosis for pediatric heart failure patients.
Area of Science:
- Pediatric Cardiology
- Cardiovascular Research
- Clinical Pediatrics
Background:
- Congestive cardiomyopathy presents a significant challenge in pediatric care.
- Understanding prognostic factors is crucial for managing pediatric heart failure.
Purpose of the Study:
- To review the clinical course and outcomes of infants and children diagnosed with congestive cardiomyopathy.
- To identify key factors predicting the prognosis in this patient population.
Main Methods:
- Retrospective review of 50 pediatric patients diagnosed with congestive cardiomyopathy.
- Analysis of clinical data, including age, initial presentation, treatment response, and imaging (chest X-rays).
- Average follow-up duration of 2.9 years.
Main Results:
- Congestive heart failure was observed in 82.6% of cases.
- Mortality rate was 43%, with 82% of deaths occurring within the first year.
- Infants under 1 year had a poorer prognosis.
- Higher cardiothoracic ratio and poorer initial treatment response correlated with worse outcomes.
- 30% had residual heart disease, while 27% fully recovered.
Conclusions:
- Age (infants < 1 year), cardiothoracic ratio, and initial treatment response are critical prognostic indicators for pediatric congestive cardiomyopathy.
- Aggressive management and close monitoring are essential, particularly in the first year of illness.
Abstract:
Fifty infants and children with a diagnosis of congestive cardiomyopathy were reviewed at the Department of Pediatrics, Ramathibodi Hospital. These patients were followed for an average of 2.9 years. Congestive heart failure was present in 82.6% of the cases. Of these patients, 43% died, 82% within the first year of their illness. Residual heart disease continues in 30%, while 27% made a complete recovery. Factors that were highly predictive of the clinical course are age, cardiothoracic ratio of initial and subsequent chest X rays and the initial response to treatment. Infants less than 1 year old had a poor prognosis. The higher the cardiothoracic ratio on the initial and subsequent examinations and the poorer the response to medical treatment, the poorer the prognosis.