Anesthetic drugs & techniques

Tolerability and Clinical Outcomes With Anesthesia Dose Reduction During Electroconvulsive Therapy

JAMA Netw OpenPublished Retrospective cohort study

Authors' conclusion

In this retrospective cohort study, reduction of anesthesia agents was associated with reduced BVM use, with similar clinical outcomes and tolerability other than increased rates of insufficient initial sedation dosage and PIA

Study context

Population
Patients receiving an index course of electroconvulsive therapy (ECT) for any indication with methohexital and succinylcholine, Centre for Addiction and Mental Health, Toronto, 2017–2023included in the analysis
Participants
616 patients
Exposure
Pre-COVID-19 vs COVID-19
  • Pre-COVID-19n = 362reference
  • COVID-19n = 254
Outcome
BVM use and complication rates (aspiration, bradycardia, insufficient initial sedation dosage, postictal agitation [PIA], residual weakness, prolonged seizures)
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

BVM use and complications

COVID-19

13.8%

35 of 254

COVID-19 vs Pre-COVID-19Odds ratio (95% CI)
Insufficient initial sedation dosage
2.16(1.09–4.38)
PIA
2.81(1.76–4.56)

Observational data: associations, not effects.

Secondary outcomes

Response

P = 0.38

Methohexital dosage

P = 0.007

Succinylcholine dosage

P < 0.001

Safety

Cognitive impairment · secondary outcome

P = 0.66

Original publication

Tolerability and Clinical Outcomes With Anesthesia Dose Reduction During Electroconvulsive Therapy. JAMA Netw Open. Published 3 February 2025. doi:10.1001/jamanetworkopen.2024.62054

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