The impact of COVID-19 vaccination on patients with congenital heart disease in England: a case-control study
2024

Impact of COVID-19 Vaccination on Patients with Congenital Heart Disease

Sample size: 318135 publication 10 minutes Evidence: high

Author Information

Author(s): Harrison Catriona, Frain Simon, Jalalinajafabi Farideh, Williams Simon G, Keavney Bernard

Primary Institution: The University of Manchester

Hypothesis

What is the impact of COVID-19 vaccination on COVID-19 outcomes among patients with congenital heart disease?

Conclusion

Vaccination significantly reduces the risk of hospitalization and death from COVID-19 in patients with congenital heart disease, but they still face higher risks compared to vaccinated individuals without congenital heart disease.

Supporting Evidence

  • Vaccinated patients with congenital heart disease had a hospitalization rate of 0.5% compared to 15.8% in unvaccinated patients.
  • Vaccinated patients with congenital heart disease had a mortality rate of 0.5% compared to 4.6% in unvaccinated patients.
  • Vaccinated patients with congenital heart disease had more than twice the odds of hospitalization compared to vaccinated controls without congenital heart disease.

Takeaway

Getting vaccinated helps people with heart problems stay safer from getting really sick from COVID-19, but they still need to be careful because they can get sick more easily than others.

Methodology

A case-control study using linked English electronic health records, comparing vaccinated and unvaccinated patients with congenital heart disease and matched controls.

Potential Biases

Some degree of misclassification likely occurred, and socioeconomic differences may not have been adequately captured.

Limitations

Potential misclassification of congenital heart disease severity and inability to adjust for differences in SARS-CoV-2 strains.

Participant Demographics

Mean age of patients was 42.4 years, with a higher prevalence of male cases and various comorbid conditions.

Statistical Information

P-Value

p<0.0001

Confidence Interval

(1.88–2.65)

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1136/heartjnl-2024-324470

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