Title

Functional mobility of intensive care survivors at the time of discharge from acute care

Abstract

Questions: In patients intubated and ventilated for ≥ 168 hours who survive their acute care stay, what proportion are able to ambulate independently at the time of hospital discharge? What was the delay between intensive care admission and the attainment of functional milestones?

Design: Comprehensive retrospective review of medical records.

Participants: All 2590 patients admitted to the intensive care unit at Sir Charles Gairdner Hospital during 2007-08 were screened; of these, 190 met study criteria.

Outcome measures: Ambulation status at time of hospital discharge and timing of when each patient first sat out of bed, stood and ambulated.

Results: The prevalence of patients ambulating independently prior to their intensive care admission was 95% (95% CI: 92 to 98%), decreasing to 28% (95% CI: 22 to 34%) at the time of discharge from acute care. A further 18% (95% CI: 13 to 24%) were independent with a walking aid. A total of 68% (95% CI: 61 to 75%) of the patients sat out of bed during their intensive care stay. The delay between admission to the unit and first time sitting out of bed, standing and walking was 13 ± 8 days (n=183), 19 ± 19 days (n=163), and 23 ± 22 days (n = 155), respectively.

Conclusion: A prolonged stay in intensive care compromises the capacity to ambulate of half of all patients who survive their acute care admission. For those who were able to ambulate at discharge, ambulation was initiated more than 3 weeks following admission to the unit.

Keywords

intensive care, mobility limitation, outcome assessment (health care)

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