High HOMA-IR Index in Healthcare Shift Workers

Ledda, Caterina; Cinà, Diana; Matera, Serena; Mucci, Nicola; Bracci, Massimo; Rapisarda, Venerando

doi:10.3390/medicina55050186

Cited by 31 publications

(34 citation statements)

References 57 publications

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“…The factors involved in these responses may be different. In addition to sleep deprivation, it is believed that the particular psychophysical commitment required by the activity conducted on the road plays a fundamental role [49][50][51][52][53][54]. Previous research indicated that exposure to shift work during one's occupational career causes disruption of the circadian time.…”

Section: Discussionmentioning

confidence: 99%

Night-Time Shift Work and Related Stress Responses: A Study on Security Guards

Cannizzaro

Cirrincione

Mazzucco

et al. 2020

IJERPH

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Work-related stress can induce a break in homeostasis by placing demands on the body that are met by the activation of two different systems, the hypothalamic–pituitary–adrenal axis and the sympathetic nervous system. Night-shift work alters the body’s exposure to the natural light–dark schedule and disrupts circadian (daily) rhythms. The greatest effect of night-shift work is the disruption of circadian rhythms. The impact that these disruptions may have on the pathogenesis of many diseases, including cancer, is unknown. This study aims to discover the relationship among three different job activities of security guards and their stress-related responses by evaluating salivary cortisol levels and blood pressure. Methods: Ninety security guards, including night-time workers and night-time and daily-shift workers, were recruited for this study. Each security guard provided two saliva samples before and after three scheduled time points: (i) at 22:00, (ii) at 06:30, and (iii) at 14:00. Results: The results of the study showed a significant alteration in cortisol levels. Night-time shift cortisol levels significantly increased before and after the work shifts. A physiological prevalence of the vagal tone on the cardiocirculatory activity was found during night-shift work. Conclusions: This study indicates that cortisol levels and blood pressure are sensitive markers of biological responses to severe work stress. Shift-change consequences may occur at the end of the night shift when there is a significant increase in the cortisol level and a significant variation in cardiovascular parameters.

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Section: Discussionmentioning

confidence: 99%

Night-Time Shift Work and Related Stress Responses: A Study on Security Guards

Cannizzaro

Cirrincione

Mazzucco

et al. 2020

IJERPH

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“…In a highly precarious and highly conflictual work environment, workers' situations of psychophysical discomfort tend to grow exponentially, undermining not only the physical integrity of a worker but, above all, his/her balance and emotional stability [81,82].…”

Section: Discussionmentioning

confidence: 99%

“…Several indications in the literature have shown that, apart from socio-demographic factors and personality traits, circumstantial emotional states especially condition the perception of risk at work [78,79]. Some authors have described risk perception as a cognitive process mediated by an emotional component: emotions would represent heuristics (or mental shortcuts) that allow people to assess risks in a way that is certainly not rational, but functional [80,81,91]. Clearly, these temporary emotional states are mainly conditioned-and somehow managed-by our personality structure, but it will be the task of future research to clarify the weight of the different variables in the perception of negative actions and work-related stressors.…”

Section: Discussionmentioning

confidence: 99%

Straining at Work and Its Relationship with Personality Profiles and Individual Consequences in Healthcare Workers (HCWs)

Ramaci

Barattucci

Vella

et al. 2020

IJERPH

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Straining is an attenuated form of mobbing, in which the continuity of vexatious actions is not driven by a discriminatory intent. With the objective of testing the possible moderating role of personality in the relationship between perceptions about straining at work and individual consequences, a correlational design research involved 374 healthcare workers (HCWs) from two Italian hospitals. The following questionnaires were administered: (1) Short Negative Acts Questionnaire (S-NAQ), to assess discriminative actions at work); (2) the Italian version of the Big Five Inventory (BFI-10 scale), to assess personality factors; (3) Occupational Stress Indicator (OSI), to measure psychological and physical health. Regression analysis and Structural Equation Models (SEM) were computed in order to test the relationships between variables. Perceived straining showed significant correlations with both psychological and physical health. Conscientiousness was inversely proportional to work-related bullying (WB), as agreeableness was to personal bullying (PB). Emotional stability was negatively correlated with all the three component scales of S-NAQ: WB, PB, and social bullying. The results seem to confirm that straining perceptions especially elicit, through emotional stability, psychological consequences. As regards the role of emotional stability in risk perceptions, it seems management has to pay thorough attention to personal factors in organizational perceptions and to straining actions.

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“…Shift work may disrupt sleep and meal rhythms. The perturbation of biological rhythms can alter metabolic homeostasis that may lead to weight gain and/or metabolic disturbances [54][55][56][57]. Shift work was associated with higher waist circumference [58][59][60], and a higher risk of metabolic syndrome and cardiovascular events [7,[61][62][63].…”

Section: Discussionmentioning

confidence: 99%

Exosomal miR-92a Concentration in the Serum of Shift Workers

et al. 2020

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Shift work is associated with alterations in the human biological clock and metabolism. Serum exosomal miR-92a concentration was inversely correlated with brown adipose tissue activity playing a pivotal role in energy balance. In this study, miR-92a was measured in serum exosomes of 30 workers engaged in shift and daytime work. No significant metabolic alterations were shown between daytime and shift workers while a difference in serum exosomal miR-92a levels was found between the two groups. The lower levels of miR-92a in shift workers were suggestive of a higher brown adipose tissue activity compared with daytime workers. However, the possibility that other physiological and pathological processes may influence miR-92a cannot be ruled out. Our results suggest further investigations on brown adipose tissue activity and on miR-92a regulatory mechanisms, such as those related to the estrogen pathway, in shift workers.

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High HOMA-IR Index in Healthcare Shift Workers

Cited by 31 publications

References 57 publications

Night-Time Shift Work and Related Stress Responses: A Study on Security Guards

Night-Time Shift Work and Related Stress Responses: A Study on Security Guards

Straining at Work and Its Relationship with Personality Profiles and Individual Consequences in Healthcare Workers (HCWs)

Exosomal miR-92a Concentration in the Serum of Shift Workers

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