Early sedation with dexmedetomidine in patients with acute myocardial infarction requiring mechanical ventilation
Authors' conclusion
Early sedation with dexmedetomidine was associated with lower mortality compared with usual care in patients with AMI requiring IMV. A randomized controlled trial of sedative agents in this population is warranted.
Study context
- Population
- Patients aged ≥18 years admitted between 2015 and 2019 with a primary diagnosis of acute myocardial infarction (AMI) who required invasive mechanical ventilation (IMV)1,620 (10.2%) received early dexmedetomidine
- Participants
- 15,928 patients
- Comparison
- Early sedation with dexmedetomidine with usual care sedation in patients with AMI requiring IMV
- Early dexmedetomidine groupn = 1,620
- Outcome
- In-hospital mortality (unadjusted)
Methodological detailsInverse probability of treatment weighting (IPTW)
- Inverse probability of treatment weighting (IPTW)
Main finding
As reported in the abstract
Further findings
| Outcome | Risk difference (95% CI) | |
|---|---|---|
| Mortality (after IPTW)Lower mortality with early dexmedetomidine · After IPTW | 11.0% (8.6–13.5%) | |
| −1001020Difference (linear scale) |
Cardiogenic shock at presentation (baseline)
| Outcome | Early dexmedetomidine group | Usual care group | Mean difference (days) (95% CI) |
|---|---|---|---|
| Ventilator-free days (unadjusted)Unadjusted | 13.6 | 12.1 | |
| Ventilator-free days (after IPTW)More ventilator-free days with early dexmedetomidine · After IPTW | +2.2 (1.6–2.8) |
- Ventilator-free days (unadjusted): P < 0.05
- Cardiogenic shock at presentation (baseline): P = 0.001
Original publication
Early sedation with dexmedetomidine in patients with acute myocardial infarction requiring mechanical ventilation. Eur Heart J Acute Cardiovasc Care. Published 7 February 2025. doi:10.
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