Respiratory failure & ventilation
Exploring the therapeutic role of early heparin administration in acute respiratory distress syndrome (ARDS) management: a MIMIC-IV database analysis
Authors' conclusion
This research highlights that early prophylactic administration of heparin may substantially lower mortality in ARDS patients.
Study context
- Population
- ARDS patients in the MIMIC-IV database
- Exposure
- Heparin vs No heparin
- Outcome
- In-hospital mortality
Methodological detailspropensity score matching, inverse probability weighting
- Propensity score matching
- Inverse probability weighting
Main finding
As reported in the abstract
Heparin vs No heparinHazard ratio (95% CI)P value
Unmatched
0.71(0.54–0.93)
P = 0.012After propensity score matching (12.75% vs 17.93%)
0.65(0.47–0.90)
P = 0.010Observational data: associations, not effects.
Secondary outcomes
| Outcome | HR (95% CI) | P value | |
|---|---|---|---|
| In-hospital mortality, alternative statistical models (sensitivity analysis)Heparin vs No heparin · doubly robust model without balanced covariates | 0.669 (0.487–0.919) | P = 0.013 | |
| In-hospital mortality, alternative statistical models (sensitivity analysis)Heparin vs No heparin · doubly robust model with all covariates | 0.705 (0.515–0.965) | P = 0.029 | |
| In-hospital mortality, alternative statistical models (sensitivity analysis)Heparin vs No heparin · propensity score (IPW) model | 0.660 (0.491–0.888) | P = 0.006 | |
| In-hospital mortality, alternative statistical models (sensitivity analysis)Heparin vs No heparin · propensity score matching model | 0.650 (0.470–0.900) | P = 0.010 | |
| In-hospital mortality, alternative statistical models (sensitivity analysis)Heparin vs No heparin · multivariate Cox regression model | 0.706 (0.536–0.930) | P = 0.013 | |
| 0.512Hazard ratio (log scale) |
Mortality at 60 and 90 days
- Heparin use associated with reduced mortality at 60 and 90 days
Original publication
Exploring the therapeutic role of early heparin administration in ARDS management: a MIMIC-IV database analysis. J Intensive Care. Published 26 February 2024. doi:10.
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