Association between CHD and cerebral abscess: insights from a national database

Keats Ewing1, Rohit Seath Loomba1, Saul Flores2

  • 1Department of Pediatrics, Division of Cardiology, Ann and Robert H Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.

Cardiology in the Young
|September 22, 2025
PubMed

Insights

Congenital heart disease (CHD) is not associated with an increased risk of cerebral abscess in children. This study found that children with CHD were less likely to develop brain abscesses compared to those without CHD.

Area of Science:

  • Pediatric Neurology
  • Cardiology
  • Infectious Diseases

Background:

  • Congenital heart disease (CHD) has been historically linked to cerebral abscess development.
  • Understanding this association is crucial for pediatric patient care.

Purpose of the Study:

  • To investigate the association between congenital heart disease (CHD) and the occurrence of cerebral abscess in an inpatient pediatric population.
  • To determine if CHD increases the risk of cerebral abscess in children.

Main Methods:

  • Retrospective cohort study using the Pediatric Health Information System database (2016-2021).
  • Analyzed data from 426,029 pediatric intensive care unit admissions.
  • Compared cerebral abscess incidence in patients with and without CHD.

Main Results:

  • A total of 1,387 (0.3%) patients developed cerebral abscesses.
  • 88 (0.1%) of 80,927 patients with CHD experienced a cerebral abscess (OR 0.29).
  • Seizures, cerebral edema, stroke, shock, surgery, and older age increased abscess risk; mortality was not associated.

Conclusions:

  • Patients with CHD were less likely to develop cerebral abscesses compared to those without CHD.
  • Cerebral abscess is a rare complication in the contemporary pediatric inpatient population.
  • No significant association found between CHD and cerebral abscess development.