Registered nurses (RNs) working in intensive care settings report challenges in supporting the physical as well as perceived additional psychological care of patients with mental health disorders (MHD). To undertake a scoping review of RNs' knowledge, attitudes, and perspectives of caring for patients with MHD in an Intensive Care Unit (ICU). Arksey and O'Malley's 2005 scoping review methodology was used, and the quality of reporting was upheld with PRISMA-Scoping Review guidelines. A comprehensive literature search of peer-reviewed, published studies in English from 2013 to 2013 was conducted in six databases (CINAHL, PubMed, Joanna Briggs Institute, Scopus, Cochrane, and PsycINFO databases). All included studies were evaluated using Critical Appraisal Skills Program (CASP) to assess the rigor of each study. Seven studies were included, three qualitative and four quantitative studies. Most represented the Oceania region (n=4). Thematic analysis identified four primary themes (i) developing knowledge and skills, (ii) variable empathy for patients, (iii) perceived safety concerns for patients and staff, and (iv) the need for clinical support. RNs' knowledge, attitudes, and perspectives influence the care of patients with MHD in adult intensive care. Ensuring staff are equipped technically with knowledge and skills along with clinical resources is fundamental to promoting the physical and psychological well-being of patients with MHD in the intensive care setting.
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