Related Experiment Videos
Endomyocardial biopsy in children. Usefulness in various myocardial disorders
1Department of Pediatric Cardiology, Hacettepe University, Ankara, Turkey.
Insights
Pediatric endomyocardial biopsy is a safe and effective diagnostic tool for myocardial disorders. This study shows its high sensitivity in diagnosing conditions like cardiomyopathy and myocarditis in children.
Area of Science:
- Pediatric Cardiology
- Cardiovascular Pathology
- Diagnostic Imaging
Background:
- Endomyocardial biopsy (EMB) is established in adult cardiology.
- Its utility in pediatric myocardial diseases requires further investigation.
- Early diagnosis is crucial for managing pediatric cardiomyopathies and myocarditis.
Purpose of the Study:
- To evaluate the diagnostic yield of EMB in children with clinically diagnosed myocardial diseases.
- To assess the safety and feasibility of EMB in a pediatric population.
- To determine the role of EMB in identifying the etiology and clinical status of pediatric heart conditions.
Main Methods:
- A prospective study involving 17 children (14 months to 18 years) with dilated cardiomyopathy, restrictive cardiomyopathy, or myocarditis.
- Right or left heart EMB performed, with specimens analyzed by light and electron microscopy.
- Safety and diagnostic accuracy of the procedure were assessed.
Main Results:
- No serious complications were reported following EMB in pediatric patients.
- Histological analysis yielded diagnostic findings in 41.2% of cases.
- Electron microscopy provided valuable diagnostic information in evaluated cases, demonstrating high sensitivity.
Conclusions:
- Endomyocardial biopsy is a highly sensitive and safe diagnostic method for pediatric myocardial disorders.
- EMB is poised to become a primary tool for the invasive yet safe detection of heart muscle diseases in children.
- Findings support the broader application of EMB in pediatric cardiology for accurate diagnosis.
Abstract:
Endomyocardial biopsy studies in adults have demonstrated the usefulness of this method. It is possible that studies will be more productive in determining the etiology and clinical status in patients with clinically diagnosed myocardial diseases. A prospective study conducted over 16 months included 17 children, aged 14 months to 18 years, with the diagnosis of dilated, restrictive cardiomyopathy and myocarditis. In 16 patients right, and in 1 patient left heart endomyocardial biopsies were performed. The specimens were evaluated by light and electron microscopy. There were no serious complications after the procedure. In 1 of 17 children histology showed no myocardial tissue. Electron microscopy evaluations were currently available in 9 patients. Endomyocardial biopsy findings were found to be diagnostic in 41.2%, helpful in 29.4% and of no help in 29.4% of patients. In conclusion, endomyocardial biopsy technique is highly sensitive in children with myocardial disorders. In future it will be the major diagnostic tool for invasive but safe detection of myocardial disease.