Paediatric anaesthesia & critical care
Intraoperative Cardiac Events During Pediatric Cardiac Magnetic Resonance Imaging Under Anesthesia: A Retrospective Cohort Study
Authors' conclusion
Intraoperative cardiac events, primarily hypotension of unknown significance, were common during pediatric cardiac MRI under anesthesia; no severe adverse cardiac events occurred.
Study context
- Population
- Patients ≤ 18 years undergoing cardiac magnetic resonance imaging (MRI) under anesthesia, 2013 to 2025
- Participants
- 330 cases
- Outcome
- Intraoperative cardiac events:
- ≥ 5 cumulative minutes with MAP > 2 SD below age- and sex-adjusted reference values
- Vasopressor administration
- Severe adverse cardiac events
Methodological detailssingle-centre
- Single-centre
Main finding
As reported in the abstract
Intraoperative cardiac events
Incidence of intraoperative cardiac events
29.7%
98/330
Hypotension
24.2%
Vasopressor administration
9.7%
Severe adverse cardiac events
0
Observational data: associations, not effects.
Further findings
| Outcome | OR (95% CI) | |
|---|---|---|
| Independent predictors of intraoperative cardiac events (multivariable logistic regression)Increasing age (per year) | 1.13 (1.04–1.21) | |
| 0.512Odds ratio (log scale) |
Independent predictors of intraoperative cardiac events (multivariable logistic regression)
| OR (95% CI) | ||
|---|---|---|
| Neonatal ICU preoperative location | 4.42 (1.86–10.52) | |
| Pediatric ICU preoperative location | 4.84 (1.91–12.26) | |
| 0.050.21520Odds ratio (log scale) |
- Sensitivity analyses consistent across model specifications
30-day mortality
- 30-day mortality
- 1.8% (6/330)
- Evaluated descriptively
Original publication
Intraoperative Cardiac Events During Pediatric Cardiac Magnetic Resonance Imaging Under Anesthesia: A Retrospective Cohort Study. Paediatr Anaesth. Published 19 June 2026. doi:10.
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