Hemodynamics, fluids & transfusion

Thrombocytopenia and platelet transfusions in intensive care unit (ICU) patients: an international inception cohort study (PLOT-ICU)

Intensive Care MedPublished Prospective inception cohort study

An erratum to this article was published (Intensive Care Med, Jan 2024 ↗)

Authors' conclusion

Thrombocytopenia occurred in 43% of critically ill patients and was associated with worse outcomes including increased mortality.

Study context

Population
Adult ICU patients in 52 ICUs across 10 countries
Participants
1,166 patients · 52 ICUs · 10 countries
Exposure
Thrombocytopenia vs no thrombocytopenia
Outcome
Frequency of thrombocytopenia
Methodological detailsinternational, multicentre, pre-specified logistic regression analyses
  • International
  • Multicentre
  • Pre-specified logistic regression analyses

Main finding

As reported in the abstract

Thrombocytopenia (any)

Thrombocytopenia overall

43.2%

95% CI 40.4–46.1

Thrombocytopenia at ICU admission

23.4%

95% CI 20–26

Thrombocytopenia developed during ICU stay

19.8%

95% CI 17.6–22.2

Observational data: associations, not effects.

Further findings

OutcomeaOR (95% CI)
Mortality by thrombocytopenia at ICU admission · 90 daysThrombocytopenia at ICU admission1.7 (1.19–2.42)

Platelet transfusions among patients with thrombocytopenia

Received platelet transfusion(s)
22.6%
In-ICU transfusions that were prophylactic
64.3%

Risk factors for thrombocytopenia during ICU stay

Absence of AIDS, non-cancer-related immune deficiency, liver failure, male sex, septic shock and bleeding at ICU admission associated with development of thrombocytopenia

Bleeding, death, days alive without life-support, days alive and out of hospital

Thrombocytopenia: more bleeding and death, fewer days alive without life-support and fewer days alive and out of hospital

Original publication

Thrombocytopenia and platelet transfusions in ICU patients: an international inception cohort study (PLOT-ICU). Intensive Care Med. Published 9 October 2023. doi:10.1007/s00134-023-07225-2

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