• Barbara C J Solberg, Carmen D Dirksen, Fred H M Nieman, Godefridus van Merode, Graham Ramsay, Paul Roekaerts, and Martijn Poeze.
• Staff department of Quality and Safety, Maastricht University Medical Center, P. Debyelaan 25, Maastricht, HX 6229, The Netherlands.
• BMC Anesthesiol. 2014 Jan 1; 14: 76.

BackgroundImprovement of appropriate bed use and access to intensive care (ICU) beds is essential in optimizing utilization of ICU capacity. The introduction of an intermediate care unit (IMC) integrated in the ICU care may improve this utilization.MethodIn a before-after prospective intervention study in a university hospital mixed ICU, the impact of introducing a six-bed mixed IMC unit supervised and staffed by ICU physicians was investigated. Changes in ICU utilization (length of stay, frequency of mechanical ventilation use), nursing workload assessed byTISS-28 score, as well as inappropriate bed use, accessibility of the ICU (number of referrals), and clinical outcome indicators (readmission and mortality rates) were measured.ResultsDuring 17 months, data of 1027 ICU patients were collected. ICU utilization improved significantly with an increased appropriate use of ICU beds. However, the number of referrals, readmissions to the ICU and mortality rates did not decrease after the IMC was opened.ConclusionThe IMC contributed to a more appropriate use of ICU facilities and did result in a significant increase in mean nursing workload at the ICU.

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