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Histopathological study on right endomyocardial biopsy of Kawasaki disease
Insights
Kawasaki disease can cause heart muscle damage, including fibrosis, which worsens over time. Myocardial changes affect both sexes, but coronary issues are seen only in males.
Area of Science:
- Cardiology
- Pathology
- Pediatrics
Background:
- Kawasaki disease is an acute febrile illness that can lead to cardiovascular complications.
- Endomyocardial biopsy is a diagnostic tool for assessing cardiac involvement in various conditions.
Purpose of the Study:
- To investigate the myocardial histopathological changes in patients with Kawasaki disease.
- To correlate these changes with disease duration and patient demographics.
Main Methods:
- Analysis of 50 right ventricular endomyocardial biopsy specimens from patients with Kawasaki disease.
- Histopathological examination for inflammatory cell infiltration, fibrosis, myocardial disarray, and hypertrophy.
- Development of a severity score and correlation with clinical data.
Main Results:
- Histopathological abnormalities were observed in biopsy specimens.
- Fibrosis correlated significantly with disease duration (36% of cases).
- Myocardial changes occurred in both male and female patients, whereas coronary involvement was limited to males.
Conclusions:
- Kawasaki disease can lead to significant myocardial alterations, including fibrosis, that progress with disease duration.
- The study highlights sex-specific differences in cardiovascular manifestations of Kawasaki disease.
Abstract:
Fifty right ventricular endomyocardial biopsy specimens taken from patients with Kawasaki disease were studied. These were taken from 33 male and 17 female patients. Biopsies were examined for inflammatory cell infiltration, fibrosis, myocardial fibre disarrangement, and the cellular and nuclear changes of hypertrophy. A score of severity was prepared. The degree of abnormality was found to correlate with the duration of the disease, as did fibrosis found in 18 cases (36%), but inflammatory cell infiltration did not (13 cases, 26%). Coronary involvement was restricted to the male patients but the myocardial changes occurred in both sexes.