ICU sedation, delirium & recovery

In-hospital use of beta-blockers for critically ill patients with acute heart failure: Whether and when to initiate

J Clin AnesthPublished Retrospective cohort study

Authors' conclusion

The use of beta-blockers during hospitalization for AHF is associated with a reduced risk of in-hospital mortality, and withdrawal was associated with an increased risk of mortality.

Study context

Population
Critically ill patients with acute heart failure (AHF), MIMIC-IV version 2.2 database
Exposure
In-hospital beta-blocker use vs no beta-blockers; timing of initiation
Outcome
In-hospital mortality
Methodological detailsinverse probability of treatment weighting (IPTW), MIMIC-IV version 2.2 database
  • Inverse probability of treatment weighting (IPTW)
  • MIMIC-IV version 2.2 database

Main finding

As reported in the abstract

Each group vs not treatedOdds ratio (95 % CI)
Newly started
0.45(0.34–0.61)
Continued
0.53(0.41–0.69)
Withdrawn
2.59(1.63–4.10)

Observational data: associations, not effects.

Further findings

OutcomeOR (95 % CI)P value
In-hospital mortality by timing of initiation (beta-blocker users; reference: treated before admission, first dose within 48 h)Not treated before admission, started after 48 h vs Treated before admission, first dose within 48 h0.82 (0.60–1.11)P = 0.202
In-hospital mortality by timing of initiation (beta-blocker users; reference: treated before admission, first dose within 48 h)Previously treated, initiated after 48 h vs Treated before admission, first dose within 48 h0.44 (0.30–0.64)P < 0.001
In-hospital mortality by timing of initiation (beta-blocker users; reference: treated before admission, first dose within 48 h)Not treated before admission, started within 48 h vs Treated before admission, first dose within 48 h0.65 (0.48–0.86)P = 0.003

Original publication

In-hospital use of beta-blockers for critically ill patients with acute heart failure: Whether and when to initiate. J Clin Anesth. Published 7 April 2025. doi:10.1016/j.jclinane.2025.111824

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