Perioperative medicine & outcomes
Epidemiology and Outcomes of Patients with Adult Congenital Heart Disease in Queensland Intensive Care Units: A Multicentre Retrospective Observational Study
Authors' conclusion
Outcomes vary significantly by admission type and lesion complexity.
Study context
- Population
- Adults (≥18 years) with adult congenital heart disease (ACHD) admitted to 12 intensive care units (ICUs) in Queensland, Australia, 2015–2021of 89,184 ICU admissions
- Participants
- 1,870 adults
- Exposure
- Medical vs surgical admissions; complex vs simple lesions
- Medicaln = 253
- Surgicaln = 1,617reference
- Outcome
- Mortality
- Follow-up
- 30 days
Methodological detailsmulticentre, 12 adult ICUs
- Multicentre
- 12 adult ICUs
Main finding
As reported in the abstract
P < 0.001
Observational data: associations, not effects.
Further findings
Mortality · 1 year
P < 0.001
ICU LOS
P < 0.001
Hospital LOS
P < 0.001
- 1-year mortality by lesion complexity (subgroup): Complex 18.3%
- 1-year mortality by lesion complexity (subgroup): Simple 4.3%
ACHD prevalence among ICU admissions; lesion complexity
- ACHD among ICU admissions
- 2.1%
- Simple lesions
- 82.5%
- Moderate lesions
- 11.8%
- Complex lesions
- 3.2%
- Valvular malformations
- 57.9%
- Septal malformations
- 31.0%
Illness severity and organ support
- Medical patients had greater illness severity and more frequent RRT and ECMO than surgical
Original publication
Epidemiology and Outcomes of Patients with Adult Congenital Heart Disease in Queensland Intensive Care Units: A Multicentre Retrospective Observational Study. J Cardiothorac Vasc Anesth. Published 3 September 2025. doi:10.
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