Recommendations for the prevention of breast cancer in shift workers

Richter, Kneginja; Acker, Jens; Kamcev, Nikola; Bajraktarov, Stojan; Piehl, Anja; Niklewski, Guenter

doi:10.1007/s13167-011-0126-6

Cited by 24 publications

(22 citation statements)

References 23 publications

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“…Chronotype (or circadian typology), defined as the phase-relationship between one's sleep-wake cycle and formal clock time (Roenneberg et al, 2003), has repeatedly been suggested as a factor that can potentially mediate adaptation to shift work (Erren & Morfeld, 2014;Richter et al, 2011). Individuals with early (i.e.…”

Section: Introductionmentioning

confidence: 99%

Day and night shift schedules are associated with lower sleep quality in Evening-types

Martin

Laberge

Sasseville

et al. 2015

Chronobiology International

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Eveningness has been suggested as a facilitating factor in adaptation to shift work, with several studies reporting evening chronotypes (E-types) as better sleepers when on night shifts. Conversely, eveningness has been associated with more sleep complaints during day shifts. However, sleep during day shifts has received limited attention in previous studies assessing chronotypes in shift workers. Environmental light exposure has also been reported to differ between chronotypes in day workers. Activity is also known to provide temporal input to the circadian clock. Therefore, the aim of this study was to compare objective sleep, light exposure and activity levels between chronotypes, both during the night and day shifts. Thirty-nine patrol police patrol officers working on a fast rotating shift schedule (mean age ± SD: 28.9 ± 3.2 yrs; 28 males) participated in this study. All subjects completed the Morningness-Eveningness Questionnaire (MEQ). Sleep and activity were monitored with actigraphy (Actiwatch-L; Mini-Mitter/Respironics, Bend, OR) for four consecutive night shifts and four consecutive day shifts (night work schedule: 00:00 h-07:00 h; day work schedule: 07:00 h-15:00 h). Sleep and activity parameters were calculated with Actiware software. MEQ scores ranged from 26 to 56; no subject was categorized as Morning-type. E-types (n = 13) showed significantly lower sleep efficiency, longer snooze time and spent more time awake after sleep onset than Intermediate-types (I-types, n = 26) for both the night and day shifts. E-types also exhibited shorter and more numerous sleep bouts. Furthermore, when napping was taken into account, E-types had shorter total sleep duration than I-types during the day shifts. E-types were more active during the first hours of their night shift when compared to I-types. Also, all participants spent more time active and had higher amount of activity per minute during day shifts when compared to night shifts. No difference was found regarding light exposure between chronotypes. In conclusion, sleep parameters revealed poorer sleep quality in E-types for both the night and day shifts. These differences could not be explained by sleep opportunity, light exposure or activity levels. This study challenges the notion that E-types adapt better to night shifts. Further studies must verify whether E-types exhibit lower sleep quality than Morning-types.

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Section: Introductionmentioning

confidence: 99%

Day and night shift schedules are associated with lower sleep quality in Evening-types

Martin

Laberge

Sasseville

et al. 2015

Chronobiology International

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“…Frauen weisen ein hohes Risiko für negative, gesundheitliche Konsequenzen der Schichtarbeit auf -insbesondere Frauen über 50 leiden unter Müdigkeit und Schichtarbeiterinnen haben ein Risiko von 28 % für Brustkrebs (18,19). Frauen, die mehr als 20 Jahre Schichtarbeit geleistet haben, haben sogar ein noch weiter erhöhtes Brustkrebsrisiko (20,21…”

Section: Schlafstörungen Bei Schichtarbeitunclassified

Schlafstörungen bei Schichtarbeit

Richter¹,

Acker²,

Niklewski³

2015

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Durch Schichtarbeit verursachte Schlafstörungen und Müdigkeit können eine reduzierte Arbeitsleistung, Fehler bei der Arbeit sowie Arbeitsunfälle zur Folge haben. Absentismus, eine reduzierte Lebensqualität oder auch Depressionen sind weitere mögliche Konsequenzen. Außerdem kann Schichtarbeit in rotierenden Schichten einen Risikofaktor für verschiedene somatische und psychische Störungen darstellen und negative Folgen für den Gesundheitsstatus der Angestellten, insbesondere älterer Erwachsener und Frauen, haben.

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“…Detectable stress factors with acknowledged impacts for BC development such as a shift-worker’s job [34]…”

Section: Reviewmentioning

confidence: 99%

Risk assessment, disease prevention and personalised treatments in breast cancer: is clinically qualified integrative approach in the horizon?

Golubnitschaja

Yeghiazaryan

Costigliola³

et al. 2013

EPMA Journal

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Breast cancer is a multifactorial disease. A spectrum of internal and external factors contributes to the disease promotion such as a genetic predisposition, chronic inflammatory processes, exposure to toxic compounds, abundant stress factors, a shift-worker job, etc. The cumulative effects lead to high incidence of breast cancer in populations worldwide. Breast cancer in the USA is currently registered with the highest incidence rates amongst all cancer related patient cohorts. Currently applied diagnostic approaches are frequently unable to recognise early stages in tumour development that impairs individual outcomes. Early diagnosis has been demonstrated to be highly beneficial for significantly enhanced therapy efficacy and possibly full recovery. Actual paper shows that the elaboration of an integrative diagnostic approach combining several levels of examinations creates a robust platform for the reliable risk assessment, targeted preventive measures and more effective treatments tailored to the person in the overall task of breast cancer management. The levels of examinations are proposed, and innovative technological approaches are described in the paper. The absolute necessity to create individual patient profiles and extended medical records is justified for the utilising by routine medical services. Expert recommendations are provided to promote further developments in the field.

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Recommendations for the prevention of breast cancer in shift workers

Cited by 24 publications

References 23 publications

Day and night shift schedules are associated with lower sleep quality in Evening-types

Day and night shift schedules are associated with lower sleep quality in Evening-types

Schlafstörungen bei Schichtarbeit

Risk assessment, disease prevention and personalised treatments in breast cancer: is clinically qualified integrative approach in the horizon?

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