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Published on: February 11, 2022
Mild coronary artery dilatation developed in some children with mild COVID-19 but completely regressed within
Glykeria Rouva1, Eleni Vergadi1, Eleftheria Hatzidaki2
1Department of Pediatrics, University Hospital Heraklion, School of Medicine, University of Crete, Heraklion, Greece.
Insights
Mild COVID-19 in children can cause temporary coronary artery dilation, which fully resolves within three months. Further large-scale studies are needed to understand the long-term effects of COVID-19 on pediatric coronary arteries.
Area of Science:
- Pediatric Cardiology
- Infectious Diseases
- Vascular Biology
Background:
- COVID-19 has been associated with various cardiovascular complications.
- The impact of mild COVID-19 on coronary arteries in children requires further investigation.
Purpose of the Study:
- To investigate the incidence and time course of coronary artery changes in children hospitalized with mild COVID-19.
- To document the prevalence of coronary artery dilation and its regression in pediatric patients.
Main Methods:
- A single-center prospective study involving 29 children hospitalized for mild COVID-19.
- Three echocardiographic evaluations were performed at intervals of approximately 19, 82, and 172 days post-symptom onset.
- Prevalence of coronary artery dilation, regression, and changes was documented using z-scores.
Main Results:
- Coronary artery dilation was observed in 10.3% of cases at the first evaluation, with complete regression by the second.
- Complete regression was noted in 75% of cases with follow-up data.
- Significant z-score changes (>2) were observed in 31% of patients, and 62% showed coronary artery changes at any time point.
Conclusions:
- Transient and mild coronary artery dilation following mild COVID-19 in children completely regressed within three months.
- Large-scale studies are necessary to fully elucidate the extent and temporal patterns of coronary artery dilation post-pediatric COVID-19.
Aim:
We studied the incidence and time course of any coronary artery changes in children up to 2 years of age who were hospitalised with mild COVID-19.
Methods:
This was a single-centre prospective study of 29 children (19 males) with a median age of 3 months and interquartile range (IQR) of 1.6-4.3 months. They were admitted to a Greek University hospital for mild COVID-19 from 1 March to 30 December 2021. Three echocardiographic evaluations were performed at a median (IQR) of 19 (16-24) days, 82 (75-89) days and 172 (163-197) after the first symptoms. The prevalence of coronary artery dilation, regression, and changes was documented.
Results:
Coronary artery dilation was present in 3 (10.3%) cases at the first evaluation, with complete regression at the second. Regression was observed in 18/24 (75%) cases with follow-up data and 9 (31%) demonstrated significant z-score changes of >2. Coronary artery changes in any segment at any time were documented in 18/29 (62%) of the patients.
Conclusion:
Cases of transient and very mild coronary artery dilatation following mild COVID-19 completely regressed within 3 months. Large-scale studies are needed to document the extent and time course of coronary artery dilation following paediatric COVID-19.
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