Organ support & nutrition

Long-term mortality in ICU patients with hematological malignancies: Impact of organ support duration and ICU length of stay

J Crit CarePublished Retrospective cohort study

Authors' conclusion

One-year mortality among patients with hematological malignancy compared to matched controls was higher at the first day of admission and stayed higher for patients who remained in the ICU.

Study context

Population
ICU patients with hematological malignancies and matched non-hematological ICU patients
Exposure
Hematological malignancy vs matched non-hematological ICU controls
  • Hematological malignancyn = 555
  • Matched controlsn = 2.220reference
Outcome
Mortality by ICU LOS and organ support duration (landmark analyses)
Follow-up
1 year following ICU admission
Methodological detailsmulticentre, matched (1:4, APACHE IV score and year of admission), landmark analyses
  • Multicentre
  • Matched (1:4, APACHE IV score and year of admission)
  • Landmark analyses

Main finding

As reported in the abstract

1-year mortality by ICU LOS (at least 1, 7, 14 days) · 1 year

ICU LOS ≥1 day: Hematological malignancy vs Matched controls

64 % vs 43 %

ICU LOS ≥7 days: Hematological malignancy vs Matched controls

72 % vs 42 %

ICU LOS ≥14 days: Hematological malignancy vs Matched controls

74 % vs 34 %

Observational data: associations, not effects.

Further findings

1-year mortality by RRT duration (1, 7, 14 days)

RRT 1 day: Hematological malignancy vs Matched controls
79 % vs 60 %
RRT 7 days: Hematological malignancy vs Matched controls
79 % vs 52 %
RRT 14 days: Hematological malignancy vs Matched controls
85 % vs 55 %

1-year mortality by blood transfusion duration (1, 7, 14 days)

Transfusion 1 day: Hematological malignancy vs Matched controls
74 % vs 47 %
Transfusion 7 days: Hematological malignancy vs Matched controls
81 % vs 51 %
Transfusion 14 days: Hematological malignancy vs Matched controls
86 % vs 50 %

1-year mortality by triple organ support duration (1, 7, 14 days)

Triple organ support 1 day: Hematological malignancy vs Matched controls
84 % vs 54 %
Triple organ support 7 days: Hematological malignancy vs Matched controls
84 % vs 51 %
Triple organ support 14 days: Hematological malignancy vs Matched controls
94 % vs 56 %

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Long-term mortality in ICU patients with hematological malignancies: Impact of organ support duration and ICU length of stay. J Crit Care. Published 23 May 2025. doi:10.1016/j.jcrc.2025.155122

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