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Epidemiology of Pediatric Cardiomyopathy in a Mediterranean Population
Alena Bagkaki1, Fragiskos Parthenakis1, Gregory Chlouverakis1
1School of Medicine, University of Crete, 71 003 Heraklion, Greece.
Insights
Pediatric cardiomyopathy incidence in Crete is higher than previously reported for Caucasian populations. This study highlights the need for further research into Mediterranean pediatric cardiomyopathy prevalence and genetic factors.
Area of Science:
- Pediatric Cardiology
- Epidemiology
- Genetics
Background:
- Pediatric cardiomyopathy incidence is typically 1 per 100,000 children nationally.
- Higher rates are noted in infants and specific populations.
- Epidemiology in Mediterranean populations remains underdocumented.
Purpose of the Study:
- To document the epidemiology of pediatric cardiomyopathy in a Mediterranean population.
- To establish incidence and prevalence rates in Crete.
- To identify common types and etiologies of pediatric cardiomyopathy.
Main Methods:
- Retrospective study of children (<18 years) on Crete, Greece.
- Data collected from 2002-2022 from tertiary pediatric cardiology services.
- Analysis of incidence, prevalence, cardiomyopathy types, and identified etiologies.
Main Results:
- Average annual incidence of 1.59 cases per 100,000 children.
- Prevalence estimated at 26 cases per 100,000 children.
- Dilated (50%) and hypertrophic (42.5%) cardiomyopathies were most common; etiology identified in 40%, with genetic diagnosis in 22.5%.
Conclusions:
- Pediatric cardiomyopathy incidence in Crete exceeds rates reported for other Caucasian populations.
- Further research is required for precise prevalence and genetic factors in Mediterranean populations.
- Findings suggest unique epidemiological characteristics in this region.
Background:
Our knowledge regarding the epidemiology of pediatric cardiomyopathy is based on large national population studies reporting an annual incidence of 1 case per 100,000 children, with a higher incidence observed in infancy and among selected populations. The aim here is to document the epidemiology of pediatric cardiomyopathy in a Mediterranean population.
Methods:
Children younger than 18 years of age living on the Mediterranean island of Crete, Greece, who have been evaluated since the establishment of tertiary pediatric cardiology services (2002-2022) were included in this retrospective study.
Results:
A total of 40 children were included, corresponding to an average annual incidence of pediatric cardiomyopathy of 1.59 cases (95% CI: 1.4-2.3) and a prevalence of 26 cases per 100,000 children. In decreasing order of frequency, most cases corresponded to dilated (50%), followed by hypertrophic (42.5%), arrhythmogenic (5%), and restrictive (2.5%) cardiomyopathy. An etiology was identified in 40%, including a genetic diagnosis in 22.5%.
Conclusions:
The incidence of pediatric cardiomyopathy in the Mediterranean island of Crete is higher compared with that reported previously for other Caucasian populations. Further study is needed to investigate the exact prevalence and specific genetic factors associated with the epidemiology of pediatric cardiomyopathy in Mediterranean populations.
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Myocarditis I: Introduction
Myocarditis II: Clinical Features and Diagnostic Tests
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Cardiomyopathy II: Dilated Cardiomyopathy
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