Background: Mental illness affects about 26.2 percent of the people in the United States
in a 12 month period and has a life time prevalence of about 46 percent. This implies that a large
number of patients depend largely on the emergency services among various other avenues for
their mental health needs. This has led to the exploration of utilizing physician assistants, social
workers and psychiatric nurses in emergency room in a liaison role to provide mental health services
Description: There are very few studies published to examine the effectiveness of implementing
psychiatric liaison nursing in the ED. The studies that are published regarding the use of a psychiatric
nurse in a liaison role, describe various conditions like duration, job description and research
methodology. It is important to consider the cumulative evidence in this area in a structured manner
to enable administrators and managers to understand the positive and negative impacts of this strategy
to deal with the increasing need for emergency mental health services. This article is a systemic
review of the current evidence about the impact of a psychiatric nurse in the emergency room on
various parameters such as patient satisfaction, staff perception and efficacy indicators.
Keywords: Mental health care, emergency room, psychiatric nurses, NSDUH, mental illness.
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