Key result
High ICU capacity strain composed of higher acuity patients was associated with an increased risk of acute hospital mortality (OR 1.05; 95% CI 1.01-1.10; p=0.03).
Why the study?
It was unknown whether ICU admission during times of capacity strain compared with its own norm is associated with higher mortality in ICUs with closed staffing models.
Does higher ICU capacity strain increase risk-adjusted acute hospital mortality in adult patients admitted to closed ICUs?
Cohort (n=149,310)
Yes
Does higher ICU capacity strain increase risk-adjusted acute hospital mortality in adult patients admitted to closed ICUs?
Higher ICU capacity strain, particularly when driven by higher patient acuity, is associated with increased acute hospital mortality in closed ICUs.
Answers are grounded in this paper and cite their sources.
Lower ICU strain on admission day linked to modestly lower mortality; hypothesis-generating for capacity interventions, prospective trials needed before practice change.
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Wilcox et al. (2020) conducted a cohort in ICU admission (n=149,310). High ICU capacity strain vs. Lower ICU capacity strain (own norm) was evaluated on risk-adjusted acute hospital mortality (OR 1.05, 95% CI 1.01-1.10, p=0.03). High ICU capacity strain composed of higher acuity patients was associated with an increased risk of acute hospital mortality (OR 1.05; 95% CI 1.01-1.10; p=0.03).
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