Impact of body mass index on 90-day survival in patients in cardiogenic shock treated with V-A extracorporeal membrane oxygenation (ECMO): A propensity weighted analysis
Main finding · 90-day mortality (association with BMI)Result — go to the resultHazard ratio 0.99 95 % CI 0.97–1.01Authors' conclusion
Patients with obesity treated with ECMO for refractory cardiogenic shock have similar 90-day outcomes to their lean counterparts, despite higher respiratory, renal, and device-related complications.
Study context
- Population
- Patients with refractory cardiogenic shock treated with V-A ECMO, two French ECMO centres, 2006–2022
- Participants
- 921 patients
- Exposure
- Body mass index (BMI) and 90-day mortality
- Outcome
- 90-day mortality
- Follow-up
- 90 days
Methodological detailsinverse propensity-score weighted, propensity-score matched, multivariable models, prospectively maintained database, two centres
- Inverse propensity-score weighted
- Propensity-score matched
- Multivariable models
- Prospectively maintained database
- Two centres
Main finding
90-day mortality (association with BMI)
Hazard ratio
0.99
95 % CI 0.97–1.01
P = 0.2
BMI
HR 0.99 (95 % CI 0.97–1.01); P = 0.2
As reported in the abstract
Observational data: associations, not effects.
Further findings
90-day mortality, ECPR subgroup (n = 204)
P = 0.5
Original publication
Impact of body mass index on 90-day survival in patients in cardiogenic shock treated with V-A ECMO: A propensity weighted analysis. J Crit Care. Published 11 October 2025. doi:10.
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