The surgical intensive care unit optimal mobility score predicts mortality and length of stay
- PMID: 22067629
- DOI: 10.1097/CCM.0b013e3182376e6d
The surgical intensive care unit optimal mobility score predicts mortality and length of stay
Abstract
Objectives: To test if the surgical intensive care unit optimal mobility score predicts mortality and intensive care unit and hospital length of stay.
Design: Prospective single-center cohort study.
Setting: Surgical intensive care unit of the Massachusetts General Hospital.
Patients: One hundred thirteen consecutive patients admitted to the surgical intensive care unit.
Investigations: We tested the hypotheses that the surgical intensive care unit optimal mobility score independent of comorbidity index, Acute Physiology and Chronic Health Evaluation II, creatinine, hypotension, hypernatremia, acidosis, hypoxia, and hypercarbia predicts hospital mortality, surgical intensive care unit and total hospital length of stay.
Measurements and main results: Two nurses independently predicted the patients' mobilization capacity by using the surgical intensive care unit optimal mobility score the morning after admission, whereas a third nurse recorded the achieved mobilization levels of patients at the end of the day. A multidisciplinary expert team measured patients' grip strength and assessed their predicted mobilization capacity independently. Multivariate analysis revealed that the surgical intensive care unit optimal mobility score was the only independent predictor of mortality. Surgical intensive care unit optimal mobility score, hypotension, and hypernatremia (>144 mmol/L) independently predicted intensive care unit length of stay, whereas the surgical intensive care unit optimal mobility score and hypernatremia predicted total hospital length of stay. The Acute Physiology and Chronic Health Evaluation II score was not identified in the multivariate analysis. The surgical intensive care unit optimal mobility score was also a reliable and valid instrument in predicting achieved mobilization levels of patients.
Conclusions: In surgical critically ill patients presenting without preexisting impairment of functional mobility, the surgical intensive care unit optimal mobility score is a reliable and valid tool to predict mortality and intensive care unit and hospital length of stay.
Comment in
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Early mobilization of the critically ill patients: towards standardization.Crit Care Med. 2012 Apr;40(4):1346-7. doi: 10.1097/CCM.0b013e31823b8e44. Crit Care Med. 2012. PMID: 22425834 No abstract available.
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Predicting outcome at the bedside: the surgical intensive care unit: optimal mobility score.Evid Based Nurs. 2013 Jul;16(3):86. doi: 10.1136/eb-2012-100830. Epub 2012 Dec 4. Evid Based Nurs. 2013. PMID: 23213122 No abstract available.
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