Workplace violence—any threat or act of physical violence, harassment, intimidation, or other threatening behavior1—is a serious problem worldwide.2 Health care workers have an increased risk of workplace violence compared with workers in private industry.3 Nurses are the most common victims,4–6 and patients are the main perpetrators (however, visitors and employees also can precipitate workplace violence).3 In 2014, the US Bureau of Labor Statistics7 reported that serious workplace violence is more than 3 times higher in health care settings than other workplaces, with an incidence of 16.2 per 10 000 employees. Such estimates are conservative because of gross underreporting of workplace violence in health care settings.2,3,8–10The percentage of nurses reporting having experienced verbal threats or actual physical violence ranges from 33% to 65% (Australia),11 to 50% (Switzerland),12 to 76% (US).10 A systematic review1 of 50 international studies revealed that patients' aggression toward nurses was similar in type (verbal abuse reported 3 times as often as physical assault in any setting), location and context (nurses in emergency departments commonly report higher rates),10 individual consequences (physical injury, short- and long-term trauma), and organizational consequences (eg, absenteeism, low morale, job dissatisfaction, increased turnover, worker's compensation, heightened security, property damage, litigation) in different countries.8 Risk factors include individual influences such as history of aggression, psychiatric disorders, substance abuse, stress/frustration/anxiety, powerlessness, and perceptions that violence is tolerated. Environmental risk factors for workplace violence include unrestricted access, inadequate security, long wait times, overcrowding, weekends/off-shifts, and lack of aggression management training.2,3,10,13,14 As education is a critical solution to arm nurses with knowledge, skill, and confidence to prevent and respond to situations involving workplace violence, the PICO (patient population, intervention, comparator, outcome) question for this evidence synthesis is, What effect does deescalation education have on nurse outcomes of aggression management knowledge and performance and clinical outcomes (incidence and severity of violence)?The strategy included searching the Cumulative Index to Nursing and Allied Health Literature (CINAHL) and MEDLINE. Key words included violence, hospital violence, acute care, nurses, aggression management, and deescalation education. The search was limited to research from the past 10 years.Seven original research papers15–21 were retrieved. Of these, 2 were systematic reviews, 1 was an integrative review, 3 were pre-post studies, and 1 was a qualitative study. Table 1 outlines main findings of these 7 studies that enrolled registered nurses and nursing students in medical/surgical, emergency department, or intensive care unit settings. Aggression management interventions included rapid 45-minute in-service training sessions,16 twenty-four 50-minute sessions in several days,20,21 4-hour18 and 1-day sessions,17,18 and a deescalation kit (poster and in-service training session).18 Topics included prevention (situational awareness, self-reflection), assessment (risk factors, causes/types of aggression), intervention (deescalation based on nonviolent crisis intervention model), and postevent coping.Main benefits of education related to aggression management for acute care nurses can be described via the Kirkpatrick 4-level evaluation model22 (see Figure). Nurses responded (level 1) favorably, gaining knowledge, skills, and confidence (level 2) to manage aggressive situations (level 3) more effectively. In 1 study,15 nurses reflected how education related to aggression management helped them consciously pay more attention to patients' cues and their body language (eg, voice, gestures, posture, distance) and use of deescalation techniques. Despite favorable effects on practice, attitudes toward aggression largely did not change. In 1 study,15 nurses' attitude (positive or negative evaluation of patient's behavior) determined their emotional response to the situation. If illness-related factors were implicated, nurses did not attribute blame, which allowed them to remain emotionally detached. But when behavior was perceived as offensive or disrespectful, nurses attributed blame, which then triggered an emotional response.15A small body of low-quality evidence (mostly level C) is available about aggression management education for nurses practicing in acute care (nonpsychiatric) settings (Table 2). The benefits of education included improvement in knowledge, skills, and confidence related to aggression management, as well as increased reporting and some reduction in the incidence and severity of workplace violence. However, nurses' attitudes toward aggression or coping during aggressive situations did not change. In a systematic review of deescalation education in mental health, Price and colleagues24 identified that confidence or anxiety regulation was not a reliable predictor of performance. Rather, the ability to relate to the aggressor interpersonally played the critical role. Although weak, some evidence supported attitudinal change to patient aggression as a mechanism for improving clinical performance.In a 2015 position statement, the American Nurses Association25 indicated that "the nursing profession will no longer tolerate violence of any kind from any source." Potera26 advocated reporting, legislation, and education as the touchstones for eradicating workplace violence. Recognizing that workplace violence occurs in clinical settings beyond psychiatry, the National Database of Nursing Quality Indicators (NDNQI)27 expanded the "Assault against nursing personnel" for medical-surgical settings. Better reporting of incidents of workplace violence may build a case for the need for education about aggression management to prepare nurses in the key elements of deescalation (Table 3) in acute care settings. The Occupational Safety and Health Administration30 noted that education about aggression management is most effective when tailored to the unit's risk profile or the organization's specific clinical context. Such customization includes specifying who needs the education (eg, clinical nurses, charge nurses, assistant nurse managers), and at what interval. Educational planning can be aided by considering patient populations served and historical trends in workplace violence of each unit.31 Aggression management programs should strive to achieve the educational outcomes shown in Table 4 by blending didactic content with opportunities for nurses to practice skills using real case studies that cover the array of aggression scenarios specific to their populations.24,30 Competency can then be evaluated and feedback given to nurses about how they managed actual aggressive situations in clinical practice.24More research is needed to evaluate aggression management education with acute care nurses. A promising area of this research focuses on strategies to assist nurses in developing empathetic and compassionate responses to aggression. Previous research has suggested that the ability to relate to an aggressor and thereby understand his or her needs may serve as a powerful mediator and thus help nurses improve performance in the midst of aggression.
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