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. 2022 Aug 1;50(8):1256-1264.
doi: 10.1097/CCM.0000000000005533. Epub 2022 Mar 14.

Outcomes After Direct Discharge Home From Critical Care Units: A Population-Based Cohort Analysis

Claudio M Martin  1   2 , Melody Lam  3 , Britney Le  3 , Ruxandra Pinto  4 , Vincent Lau  5 , Ian M Ball  1   2   6 , Hannah Wunsch  4   7   8 , Robert A Fowler  4   7   8 , Damon C Scales  4   7   8
Affiliations

Outcomes After Direct Discharge Home From Critical Care Units: A Population-Based Cohort Analysis

Claudio M Martin et al. Crit Care Med. .

Abstract

Objectives: To compare health service use and clinical outcomes for patients with and without direct discharge to home (DDH) from ICUs in Ontario.

Design: Population-based, observational, cohort study using propensity scoring to match patients who were DDH to those not DDH and a preference-based instrumental variable (IV) analysis using ICU-level DDH rate as the IV.

Setting: ICUs in Ontario.

Patients: Patients discharged home from a hospitalization either directly or within 48 hours of care in an ICU between April 1, 2015, and March 31, 2017.

Intervention: DDH from ICU.

Measurements and main results: Among 76,737 patients in our cohort, 46,859 (61%) were DDH from the ICU. In the propensity matched cohort, the odds for our primary outcome of hospital readmission or emergency department (ED) visit within 30 days were not significantly different for patients DDH (odds ratio [OR], 1.00; 95% CI, 0.96-1.04), and there was no difference in mortality at 90 days for patients DDH (OR, 1.08; 95% CI, 0.97-1.21). The effect on hospital readmission or ED visits was similar in the subgroup of patients discharged from level 2 (OR, 0.98; 95% CI, 0.92-1.04) and level 3 ICUs (OR, 1.02; 95% CI, 0.96-1.09) and in the subgroups with cardiac conditions (OR, 1.03; 95% CI, 0.96-1.12) and noncardiac conditions (OR, 0.98; 95% CI, 0.94-1.03). Similar results were obtained in the IV analysis (coefficient for hospital readmission or ED visit within 30 d = -0.03 ± 0.03 ( se ); p = 0.3).

Conclusions: There was no difference in outcomes for patients DDH compared with ward transfer prior to discharge when two approaches were used to minimize confounding within a large health systemwide observational cohort. We did not evaluate how patients are selected for DDH. Our results suggest that with careful patient selection, this practice might be feasible for routine implementation to ensure efficient and safe use of limited healthcare resources.

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Conflict of interest statement

Dr. Fowler is the H. Barrie Fairley Professor of Critical Care Medicine at the University Health Network and the Interdepartmental Division of Critical Care Medicine at the University of Toronto. Dr. Martin received support for this project from the Division of Critical Care Medicine, Department of Medicine, and a Professional Development Grant from the Royal College of Physicians and Surgeons of Canada. Dr. Wunsch received funding from the Canadian Institutes for Health Research (CIHR). Dr. Scales’ institution received funding from the CIHR; he received funding from the National Institutes of Health Recover OSMB. The remaining authors have disclosed that they do not have any potential conflicts of interest.

Comment in

  • Home-Ward Bound?
    Rampon G, Simpson SQ. Rampon G, et al. Crit Care Med. 2022 Aug 1;50(8):1285-1287. doi: 10.1097/CCM.0000000000005560. Epub 2022 Jul 11. Crit Care Med. 2022. PMID: 35838259 No abstract available.

References

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    1. Lau VI, Priestap FA, Lam JNH, et al.: Factors associated with the increasing rates of discharges directly home from intensive care units-a direct from ICU sent home study. J Intensive Care Med. 2018; 33:121–127
    1. Martin CM, Lam M, Allen B, et al.: Determinants of direct discharge home from critical care units: A population-based cohort analysis. Crit Care Med. 2020; 48:475–483
    1. Basmaji J, Lau V, Lam J, et al. Lessons learned and new directions regarding discharge direct from adult intensive care units sent home (DISH): A narrative review. J Intensive Care Soc. 2019; 20:165–170
    1. Stelfox HT, Soo A, Niven DJ, et al.: Assessment of the safety of discharging select patients directly home from the intensive care unit: A multicenter population-based cohort study. JAMA Intern Med. 2018; 178:1390–1399

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