• Michael Malinchoc, Martin Reriani, Michelle Biehl, and Jeff A Sloan.
• Division of Pulmonary and Critical Care Medicine, Rochester, MN 55905, USA.
• J Crit Care. 2012 Aug 1;27(4):421.e1-7.

BackgroundMandatory compared with on-demand intensivist presence improves processes of care and decreases intensive care unit (ICU) complication rate and hospital length of stay. The effect of continuous mandatory intensivist coverage on long-term patient mortality and quality of life (QOL) is not known.MethodsWe compared the long-term survival before (year 2005) and after (year 2006) the intervention when the staffing model changed from on-demand presence to mandatory 24-hour staff-critical care specialist presence in the medical ICU. Baseline and 6-month QOL surveys (SF-36 [short form 36 health survey]) were compared in subgroups of patients admitted before and after the staffing change. Cox proportional hazard and paired statistical analyses were used for survival and QOL comparisons.ResultsThe baseline characteristics did not differ significantly between the 2 groups except for race and Acute Physiology and Chronic Health Evaluation III score (median, 30 vs 37; P < .001 before and after the staffing model change). Long-term survival was not significantly different before and after the staffing change-adjusted hazard ratio, 1.05; 95% confidence interval, 0.95 to 1.16; P = .3. In a subset of ICU survivors, SF-36 physical component score improved significantly at 6 months compared with baseline after the staffing model change-Δ mean (SD) 8 (14) vs 2 (11), P = .03. However, there was no difference in the Δ mean mental component score of the SF-36 between the 2 groups (P = .77).ConclusionsIntroduction of an additional night shift to provide mandatory as opposed to on-demand 24-hour staff critical care specialist coverage did not affect long-term survival of medical ICU patients.Copyright © 2012 Elsevier Inc. All rights reserved.

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