Amir Vahedian-Azimi - Nursing Faculty, Baqiyatallah University of Medical Sciences, Tehran, Iran
Abbas Ebadi - Nursing Faculty, Baqiyatallah University of Medical Sciences, Tehran, Iran
Soheil Saadat - Sina Trauma Research Center, Tehran University of Medical Sciences, Tehran, Iran
Fazlollah Ahmadi - Nursing Dept. Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran

Critically ill patients are characterized as those who survive the initial episode of criticalillness but remain dependent on critical care therapies. Models of care delivery to guidecare of critically ill patients are valuable resources to optimize care and promote thewell-being of these patients in acute hospital settings. The purposes of this review articlewere 1. What are appropriate characteristics of an appropriate model for application incritical care unit (CCU)? 2. What are the effects of application nursing care models(NCMs) on the daily nursing practices? 3. What are the effects of application NCMs onthe patients' outcomes? The University of York center for Reviewers and DisseminationGuidance approach was used for searching seven databases (Science direct, Ovid,Cochrane, Ebsco Host, Scopus, Pub med, and SID) with 10 key words from the 1983 tothe June 2014. Lastly, 25 full texts analyzed for responding to the research questions.Additional responding to the three research questions, the core concepts of internationalNCMs were partnerships, evaluation the current models in CCU, better understanding ofcritically ill patients, and staff satisfaction from caring in CCU, however, domesticNCMs had more focused on the NCMs in CCU and in the majority ones, the staffsatisfaction and selecting appropriate steps as a model were not assessed. Consideringthe appropriate features of domestic NCMs, it is recommended that these modelscarefully reviewed and adjusted to CCUs' needs.

Nursing care model, Domestic model, International model, Critical care unit