• Yaseen Arabi, S Venkatesh, Samir Haddad, Abdullah Al Shimemeri, and Salim Al Malik.
• Department of Intensive Care, King Fahad National Guard Hospital, Riyadh, Kingdom of Saudi Arabia. yaseenarabi@yahoo.com
• Int J Qual Health Care. 2002 Oct 1;14(5):403-10.

ObjectiveTo evaluate the predictors of prolonged Intensive Care Unit (ICU) stay and the impact on resource utilization.DesignProspective study.SettingAdult medical/surgical ICU in a tertiary-care teaching hospital.Study ParticipantsAll admissions to the ICU (numbering 947) over a 20-month period were enrolled. Data on demographic and clinical profile, length of stay, and outcome were collected prospectively. The ICU length of stay and mechanical ventilation days were used as surrogate parameters for resource utilization. Potential predictors were analyzed for possible association with prolonged ICU stay (length of stay > 14 days).ResultsPatients with prolonged ICU stay formed only 11% of patients, but utilized 45.1% of ICU days and 55.5% of mechanical ventilation days. Non-elective admissions, readmissions, respiratory or trauma-related reasons for admission, and first 24-hour evidence of infection, oliguria, coagulopathy, and the need for mechanical ventilation or vasopressor therapy had significant association with prolonged ICU stay. Mean APACHE II and SAPS II were slightly higher in patients with prolonged stay. ICU outcome was comparable to patients with < or = 14 days ICU stay.ConclusionsPatients with prolonged ICU stay form a small proportion of ICU patients, yet they consume a significant share of the ICU resources. The outcome of this group of patients is comparable to that of shorter stay patients. The predictors identified in the study can be used in targeting this group to improve resource utilization and efficiency of ICU care.

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