Cardiothoracic & vascular anesthesia

Levosimendan in patients undergoing extracorporeal membrane oxygenation after cardiac surgery: an emulated target trial using observational data

Crit CarePublished Emulated target trial using observational data

Main finding · Time to successful VA-ECMO weaningResult — go to the resultHR for successful ECMO weaning 0.91 CI 0.57–1.45

Authors' conclusion

Using the emulated target trial framework, this study did not find any association of levosimendan treatment and ECMO weaning success after postcardiotomy cardiogenic shock.

Study context

Population
Patients with refractory postcardiotomy cardiogenic shock assisted with veno-arterial extracorporeal membrane oxygenation (VA-ECMO), surgical ICU at La Pitié-Salpêtrière Hospital, 2016–20191,434 patient copies
Participants
239 patients
Exposure
Levosimendan vs no levosimendan during VA-ECMO
Outcome
Time to successful ECMO weaning
Methodological detailssequential nested trials, multivariable adjustment, single-centre
  • Sequential nested trials
  • Multivariable adjustment
  • Single-centre

Main finding

Time to successful VA-ECMO weaning

HR for successful ECMO weaning

0.91

CI 0.57–1.45

P = 0.659

Levosimendan vs No levosimendan
HR for successful ECMO weaning 0.91 (CI 0.57–1.45); P = 0.659

As reported in the abstract

Observational data: associations, not effects.

Secondary outcomes

OutcomeOR (CI)P value
30-day mortality1.03 (0.52–2.03)P = 0.940
1-year mortality1.00 (0.53–1.89)P = 0.999

Original publication

Levosimendan in patients undergoing extracorporeal membrane oxygenation after cardiac surgery: an emulated target trial using observational data. Crit Care. Published 7 February 2023. doi:10.1186/s13054-023-04328-6

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