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Emergency service workers, such as police officers, firefighters, and ambulance workers, are regularly exposed to trauma as part of their job. They are called upon to rescue people, many of whom are dying or are already deceased, regularly witness the aftermath of trauma, and often face life-threatening situations in their rescue roles. This puts emergency service workers at increased risk of developing post-traumatic stress disorder (PTSD). Research has identified that emergency service workers seek help for emotional problems at up to four times the rate of nonemergency workers. Prevalence of PTSD in emergency service workers, also known as first responders, is much higher than in the general population, with research suggesting rates of PTSD that range from between 5% and 40%. This dramatic variability in reported rates of PTSD appears to be due to how and when the disorder is measured.

The impact of PTSD in the emergency services is far-reaching and can include memory problems, alcohol dependence, relationship problems, and poor work performance, all of which can impact the working lives of the staff and potentially their job performance. The aim of this entry is to outline stressors linked to emergency service work, as well as the prevalence of PTSD in these groups, to discuss risk factors and methodological issues of research in this field, and finally to focus on prospective research and interventions. In the entry, the term emergency service workers will refer to firefighters, ambulance workers, and police officers.

Stressors Linked to the Job

Management Issues

Organizational issues are consistently identified as causing stress to emergency service workers, for example, not receiving enough downtime or support in the immediate aftermath of a critical incident, shift work, low pay, time pressures, and lack of control over decision-making processes. This can create a difficult working environment, as well as resulting in burnout, which may impact the workers’ psychological and physical health. Physical complaints from burnout can include fatigue, insomnia, and headaches, while psychological correlates include depression and anxiety. Research, such as that carried out by Eleonore van der Ploeg and colleagues, has identified associations between burnout and PTSD in emergency service workers, suggesting that PTSD-related stress is a risk factor for developing burnout. Trauma-related stress and difficulties, such as burnout, that develop in emergency service workers are extremely costly to organizations.

Sleep

Disturbed sleep is one of the most commonly reported symptoms after a trauma in those who develop PTSD; however, it is unclear whether it is a consequence of the disorder or whether it precedes and therefore contributes to its development. People can have trouble sleeping after a trauma because of intrusive memories of the event or from recurrent nightmares, or because they dwell on the implications of what they have suffered, drastically delaying sleep onset. Insufficient sleep may increase sensitivity, reactivity, and avoidance of trauma memories, heightening anxiety and feelings of being unable to cope. Furthermore, sleep disturbances may impair the emotional processing of the trauma memory. A poorly consolidated trauma memory is more likely to be linked to intrusive memories. In these ways, sleep problems may contribute to the development of traumatic stress symptoms and maintain them once they are established. Given the nature of emergency service work and the long shifts it often entails, these findings have important implications. Sleep problems in this group may increase their risk for developing PTSD and may make it difficult for them to recover once they experience such symptoms. Only prospective research can determine the role of sleep problems in the development and maintenance of PTSD in at-risk individuals.

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