Nov 19 chapter 2 - - Chapter 2 Literature review 2.1...

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Chapter 2 Literature review
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2.1 Literature searching strategies The search has been conducted through the use of various search engines such as CINAHL, PubMed, MEDLINE and Google scholar. The criteria for the searching process included only articles that have been published between 2000-2016. However, some studies that have been published earlier were also considered under certain circumstances. All the articles that have been reviewed were published in English. The majority of the studies that have been extracted were mainly focused on analyzing the impact of mental health disorders on nurses, but some studies were related to investigating these mental health disorders on other healthcare providers. The keywords that have been used during the searching process are: nurses, anxiety, depression, fatigue, night shift, mental disorders and Jordan. The results of this search were 601 articles. After that, the abstract of each article was read and the non-relevant articles were excluded ending with 250 articles in the review. However, the door was kept open for any article that might be found to be relevant during the writing process. 2.2.1 Introduction This literature review consists of the following sections: a) a brief introduction about the relationship among anxiety, depression and fatigue with nurses' work with the aim of the study, b) a detailed discussion about anxiety, c) a detailed discussion about depression, d) a detailed discussion about fatigue, d) a description about night shift work, and f) the correlation between anxiety, depression, fatigue with night work among nurses Recently, a great awareness has been drawn on investigating the impact of various mental health disorders such as anxiety, fatigue and depression on the nurses and their work (Hegney et al., 2014; Lin et al., 2010). Due to the high demanding work that nurses do, and which may
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include assessing the patient’s health status, planning for treatment options and provide a sufficient care to the patients, nurses are more exposed to develop mental health disorders. Therefore, nurses should maintain a strong psychological status in order to be able to provide therapeutic care to the patients (Ozugur et al., 2011). According to recent studies, it has been demonstrated that nurses involved in night work shifts have a higher risk of developing psychological and physical health disorders due to the fact that rotating shifts may interfere with the circadian rhythms (Shen et al., 2016). The circadian rhythms play a role in interrupting the sleep-wake schedules of nurses, which would affect the quality of care that is being delivered to the patients (Kalmbac et. Al., 2016). Thereby, night shifts could play a significant role in increasing the risk of developing anxiety, depression and fatigue disorders. Furthermore,Licht et al. (2009) have shown that anxiety is one of the factors that is linked with the decrease of Heart Rate Variability (HRV). Moreover, Licht et al., 2009 demonstrated that anxiety and depression are also linked with a higher risk of cardiac death (Licht et al., 2009).
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