Cardiac arrest & resuscitation
Association of hyperosmolar therapy with cerebral oxygen extraction after cardiac arrest
Main finding · Change in SjvO2Result — go to the resultβ −2.2 % 95% CI −4.0 to −0.3Authors' conclusion
HTS was independently associated with decreased SjvO2 in patients resuscitated from cardiac arrest, and this effect was limited to patients with benign pretreatment EEG patterns.
Study context
- Population
- Comatose survivors of cardiac arrest with ≥1 elevated SjvO2 (>75%), EEG-monitored
- Exposure
- Hyperosmolar therapy vs no HTS
- Outcome
- Change in consecutive SjvO2 values within a sample pair
Methodological detailsobservational, multivariable mixed-effects regression
- Observational
- Multivariable mixed-effects regression
Main finding
Change in SjvO2
β
−2.2 %
95% CI −4.0 to −0.3
As reported in the abstract
Observational data: associations, not effects.
Further findings
| Outcome | Change in SjvO2 (%) (95% CI) | |
|---|---|---|
| Change in SjvO2 by pretreatment EEG pattern (interaction)HTS vs No HTS · benign pretreatment EEG | −12.4 (−18.4 to −6.4) | |
| Change in SjvO2 by pretreatment EEG pattern (interaction)HTS vs No HTS · ominous pretreatment EEG; not significant | −1.6 (−3.6 to 0.4) | |
| −20−10010Difference, % (linear scale) |
| Outcome | β for interaction term (%) (95% CI) |
|---|---|
| Change in SjvO2 by pretreatment EEG pattern (interaction)HTS vs No HTS · EEG pattern × HTS | −10.9 (−17.9 to −3.9) |
Original publication
Association of hyperosmolar therapy with cerebral oxygen extraction after cardiac arrest. Resuscitation. Published 7 November 2024. doi:10.
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