Low risk of COVID-19 infection found among people with congenital heart disease
October 14, 2020DALLAS, Oct. 14, 2020 -- Results of a retrospective analysis suggest that people born with a heart defect who developed COVID-19 symptoms had a low risk of moderate or severe COVID-19 infection, according to a new article published today in the Journal of the American Heart Association, an open access journal of the American Heart Association.
In what may be the largest study of its kind to date, researchers at Columbia University Vagelos College of Physicians and Surgeons in New York City explored the impact of COVID-19 infection on patients with congenital heart disease (CHD). The specialty center follows more than 7,000 adult and pediatric patients born with a heart defect. Fifty-three CHD patients (median age 34) with COVID-19 infection were reported at their center between March and July 2020.
"At the beginning of the pandemic, many feared that congenital heart disease would be
as big a risk factor for COVID-19 as adult-onset cardiovascular disease" the researchers wrote. However, they are "reassured by the low number of patients treated at their center and the patients' outcomes."
Among the 43 adults and 10 children with a congenital heart defect infected with COVID-19 , additional characteristics included: 58% had complex congenital anatomy; 15% had a genetic syndrome; 11% had pulmonary hypertension; and 17% had obesity. Additional analysis found:
- The presence of a concurrent genetic syndrome in all patients and advanced physiologic stage in adult patients were each associated with an increased risk of symptom severity.
- Five patients had trisomy 21 (an extra chromosome at position 21); four patients had Eisenmenger's syndrome (abnormal blood circulation caused by structural defects in the heart); and two patients had DiGeorge syndrome (a condition caused by the deletion of a segment of chromosome 22). Nearly all patients with trisomy 21 and DiGeorge syndrome had moderate/severe COVID-19 symptoms.
- As for outcomes among all 53 patients with CHD: nine patients (17%) had a moderate/severe infection, and three patients (6%) died.
- "While our sample size is small, these results imply that specific congenital heart lesions may not be sufficient cause alone for severe COVID-19 infection."
- "While it is possible that our patient population exercised stricter adherence to social distancing given early publicized concerns about cardiac risk, these early results appear reassuring."
- "...the median age and the frequency of acquired cardiac risk factors were lower in hospitalized patients in our cohort compared to published reports of hospitalized patients from COVID-19 in NYC at large. This may be because the CHD community, at large, is younger than the general population or because individuals with CHD may have distinct risk factors for severe COVID-19 infection when compared to the general population. It is possible that a cohort of elderly CHD patients might have a different risk profile than the general population."
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Results of a retrospective analysis suggest that people born with a heart defect who developed COVID-19 symptoms had a low risk of moderate or severe COVID-19 infection, according to a new article published today in the Journal of the American Heart Association, an open access journal of the American Heart Association.
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Researchers at King's College London have developed a new method for helping detect congenital heart disease of a baby in pregnant mothers using MRI.
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A drug used to treat gout, probenecid, may improve heart function in individuals with a particular heart defect, according to results from a small pilot study run by a University of Cincinnati researcher.
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