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Weetman S, Roche M, Leckie T, Samuels T, Hodgson L. Feasibility of application-based psychomotor vigilance testing to assess fatigue in doctors working night shifts and correlation with smartwatch assessed shift intensity. Occup Environ Med 2024; 81:252-257. [PMID: 38658047 DOI: 10.1136/oemed-2023-109311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 04/13/2024] [Indexed: 04/26/2024]
Abstract
OBJECTIVES To assess: (1) the feasibility of novel data collection methods (wearable technology and an application-based psychomotor vigilance test (PVT)), (2) the impact of night shift working on fatigue, both objective and perceived, for doctors working night shifts in acute hospital specialties and (3) the effects of shift intensity and naps obtained on participant fatigue. METHODS We adopted an innovative, multimodal approach to data collection allowing assessment of objective and perceived measures of fatigue, in addition to markers of shift intensity. This comprised 5 min PVT for objective quantification of fatigue (via the validated, smartphone-based NASA PVT+ application), wearable electronic devices (Fitbit Versa2) for assessment of shift intensity (step counts and active minutes) and questionnaires to elicit perceptions of fatigue and shift intensity. RESULTS Data was collected from 25 participants for a total of 145 night shifts. Objective fatigue (assessed by PVT performance) was significantly increased post night shift, with a PVT mean reaction time 257 ms pre shift versus 283 ms post shift (p<0.0001). However, differences in PVT pre and post shift were not affected by night shift intensity, nor breaks or naps taken on shift. Differences in psychomotor performance between doctors working in different specialties were also observed. CONCLUSIONS The data collection methods used were found to be feasible with good participant engagement. Findings support existing evidence that night shift working in healthcare workers is associated with fatigue, with psychomotor impairment observed post shift. Lower shift intensity and napping did not appear to mitigate this effect.
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Affiliation(s)
- Stefan Weetman
- Anaesthetics and Intensive Care, University Hospitals Sussex NHS Foundation Trust, Worthing, UK
| | - Matthew Roche
- Anaesthetics and Intensive Care, University Hospitals Sussex NHS Foundation Trust, Worthing, UK
| | - Todd Leckie
- Anaesthetics and Intensive Care, University Hospitals Sussex NHS Foundation Trust, Worthing, UK
| | - Theophilus Samuels
- Anaesthetics and Intensive Care, Surrey and Sussex Healthcare NHS Trust, Redhill, UK
| | - Luke Hodgson
- Respiratory Medicine and Intensive Care, University Hospitals Sussex NHS Foundation Trust, Worthing, UK
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2
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Lall MD, Jayaprakash N, Carrick A, Chang BP, Himelfarb NT, Thomas Y, Wong ML, Dobiesz V, Raukar NP. Consensus-Driven Recommendations to Support Physician Pregnancy, Adoption, Surrogacy, Parental Leave, and Lactation in Emergency Medicine. Ann Emerg Med 2024; 83:585-597. [PMID: 38639673 DOI: 10.1016/j.annemergmed.2024.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 02/17/2024] [Accepted: 03/11/2024] [Indexed: 04/20/2024]
Abstract
The emergency department clinical environment is unique, and guidelines for promoting supportive and equitable workplace cultures ensure success and longevity for pregnant persons and parents in emergency medicine. There is paucity, variability, and dissatisfaction with current parental (historically referred to as maternity and paternity) leave policies. This paper describes the development of consensus-derived recommendations to serve as a framework for emergency departments across the country for incorporating family-friendly policies. Policies that foster a family-inclusive workplace by allowing for professional advancement without sacrificing personal values regardless of sex, gender, and gender identity are critical for emergency medicine recruitment and retention.
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Affiliation(s)
- Michelle D Lall
- Department of Emergency Medicine, Emory University School of Medicine, Atlanta, GA.
| | - Namita Jayaprakash
- Department of Emergency Medicine, Division of Pulmonary and Critical Care Medicine, Henry Ford Hospital, Detroit, MI
| | - Angela Carrick
- Kansas College of Osteopathic Medicine, Wichita, KS; Department of Emergency Medicine, Hutchison Regional Medical Center, Hutchison, KS
| | - Bernard P Chang
- Department of Emergency Medicine, Columbia University Irving Medical Center, New York, NY
| | - Nadine T Himelfarb
- Department of Emergency Medicine, The Warren Alpert Medical School of Brown University, Providence, RI
| | - Ynhi Thomas
- Henry J.N. Taub Department of Emergency Medicine, Baylor College of Medicine, Houston, TX
| | - Matthew L Wong
- Department of Emergency Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA
| | - Valerie Dobiesz
- Department of Emergency Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Neha P Raukar
- Department of Emergency Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN
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3
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Çolak M, Esin MN. Factors affecting the psychomotor vigilance of nurses working night shift. Int Nurs Rev 2024; 71:84-93. [PMID: 37216667 DOI: 10.1111/inr.12848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 04/26/2023] [Indexed: 05/24/2023]
Abstract
BACKGROUND Shifts and long working hours decrease the psychomotor vigilance of healthcare workers especially when working night shifts. Working night shifts adversely affects nurses' health and impacts patient safety. AIM The purpose of this study is to identify factors affecting the psychomotor vigilance of nurses working night shift. METHODS This descriptive cross-sectional study was carried out with 83 nurses who were working in a private hospital in Istanbul and voluntarily participated in this study between April 25 and May 30, 2022. Data were collected using "Descriptive Characteristics Form," "Psychomotor Vigilance Task," "Pittsburgh Sleep Quality Index," and "Epworth Sleepiness Scale." The "STROBE checklist" for cross-sectional studies was utilized in order to report the findings of the study. RESULTS When time-dependent variation of the nurses' psychomotor vigilance task performances on the night shift was examined, it was observed that the nurses' mean reaction time and number of lapses increased at the end of the night shift. Age, smoking, physical activity, daily water consumption, daytime sleepiness, and sleep quality were found as the factors affecting nurses' psychomotor vigilance. CONCLUSION The psychomotor vigilance task performances of nurses working night shift are affected by age and a variety of behavioral factors. IMPLICATIONS FOR NURSING AND HEALTH POLICY Suggestions for nursing policy include the implementation of workplace health promotion programs in order to increase the attention level of nurses in order to ensure employee and patient health and safety and create a healthy working environment.
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Affiliation(s)
- Merve Çolak
- PhD Candidate, Florence Nightingale Faculty of Nursing, Department of Public Health Nursing, Istanbul University-Cerrahpasa, Istanbul, Turkey
- Lecturer, Department of Nursing, Faculty of Health Sciences, Uskudar University, Istanbul, Turkey
| | - Melek Nihal Esin
- Professor, Florence Nightingale Faculty of Nursing, Department of Public Health Nursing, Istanbul University-Cerrahpasa, Istanbul, Turkey
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Phillips AJK, St Hilaire MA, Barger LK, O'Brien CS, Rahman SA, Landrigan CP, Lockley SW, Czeisler CA, Klerman EB. Predicting neurobehavioral performance of resident physicians in a Randomized Order Safety Trial Evaluating Resident-Physician Schedules (ROSTERS). Sleep Health 2024; 10:S25-S33. [PMID: 38007304 PMCID: PMC11031327 DOI: 10.1016/j.sleh.2023.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 10/20/2023] [Accepted: 10/27/2023] [Indexed: 11/27/2023]
Abstract
OBJECTIVES Mathematical models of human neurobehavioral performance that include the effects of acute and chronic sleep restriction can be key tools in assessment and comparison of work schedules, allowing quantitative predictions of performance when empirical assessment is impractical. METHODS Using such a model, we tested the hypothesis that resident physicians working an extended duration work roster, including 24-28 hours of continuous duty and up to 88 hours per week averaged over 4weeks, would have worse predicted performance than resident physicians working a rapidly cycling work roster intervention designed to reduce the duration of extended shifts. The performance metric used was attentional failures (ie, Psychomotor Vigilance Task lapses). Model input was 169 actual work and sleep schedules. Outcomes were predicted hours per week during work hours spent at moderate (equivalent to 16-20 hours of continuous wakefulness) or high (equivalent to ≥20 hours of continuous wakefulness) performance impairment. RESULTS The model predicted that resident physicians working an extended duration work roster would spend significantly more time at moderate impairment (p = .02, effect size=0.2) than those working a rapidly cycling work roster; this difference was most pronounced during the circadian night (p < .001). On both schedules, performance was predicted to decline from weeks 1 + 2 to weeks 3 + 4 (p < .001), but the rate of decline was significantly greater on extended duration work roster (p < .01). Predicted performance impairment was inversely related to prior sleep duration (p < .001). CONCLUSIONS These findings demonstrate the utility of a mathematical model to evaluate the predicted performance profile of schedules for resident physicians and others who experience chronic sleep restriction and circadian misalignment.
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Affiliation(s)
- Andrew J K Phillips
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Melissa A St Hilaire
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA.
| | - Laura K Barger
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Conor S O'Brien
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Shadab A Rahman
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Christopher P Landrigan
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA; Division of General Pediatrics, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Steven W Lockley
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Charles A Czeisler
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Elizabeth B Klerman
- Division of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, Massachusetts, USA; Division of Sleep Medicine, Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
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5
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Mul Fedele ML, López Gabeiras MDP, Simonelli G, Diez JJ, Bellone GJ, Cagliani J, Larrateguy L, Eiguchi K, Golombek DA, Cardinali DP, Pérez-Chada D, Vigo DE. "Multivariate analysis of the impact of sleep and working hours on medical errors: a MICE approach". BMC Public Health 2023; 23:2317. [PMID: 37996804 PMCID: PMC10666331 DOI: 10.1186/s12889-023-17130-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 11/01/2023] [Indexed: 11/25/2023] Open
Abstract
BACKGROUND The main objective of this study was to describe the relationship between working conditions, sleep and psycho-affective variables and medical errors. METHODS This was an observational, analytical and cross-sectional study in which 661 medical residents answered questionnaires about working conditions, sleep and psycho-affective variables. Actigraphic sleep parameters and peripheral temperature circadian rhythm were measured in a subgroup of 38 subjects. Bivariate and multivariate predictors of medical errors were assessed. RESULTS Medical residents reported working 66.2 ± 21.9 weekly hours. The longest continuous shift was of 28.4 ± 10.9 h. They reported sleeping 6.1 ± 1.6 h per day, with a sleep debt of 94 ± 129 min in workdays. A high percentage of them reported symptoms related to psycho-affective disorders. The longest continuous shift duration (OR = 1.03 [95% CI, 1.00-1.05], p = 0.01), working more than six monthly on-call shifts (OR = 1.87 [95% CI, 1.16-3.02], p = 0.01) and sleeping less than six hours per working day (OR = 1.66 [95% CI, 1.10-2.51], p = 0.02) were independently associated with self-reported medical errors. The report of medical errors was associated with an increase in the percentage of diurnal sleep (2.2% [95% CI, 0.1-4.3] vs 14.5% [95% CI, 5.9-23.0]; p = 0.01) in the actigraphic recording. CONCLUSIONS Medical residents have a high working hour load that affect their sleep opportunities, circadian rhythms and psycho-affective health, which are also related to the report of medical errors. These results highlight the importance of implementing multidimensional strategies to improve medical trainees' sleep and wellbeing, increasing in turn their own and patients' safety.
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Affiliation(s)
- Malena Lis Mul Fedele
- Chronophysiology Lab, Institute for Biomedical Research (UCA-CONICET), Buenos Aires, Argentina
| | | | - Guido Simonelli
- Centre d'études Avancées en Médecine du Sommeil, Hôpital du Sacré-Coeur de Montréal, CIUSSS du Nord de L'Île-de-Montréal, Montreal, Canada
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, Canada
- Department of Neuroscience, Faculty of Medicine, University of Montreal, Montreal, Canada
| | - Joaquín José Diez
- Pan-American Institute of Sleep Medicine and Chronobiology, Buenos Aires, Argentina
| | - Giannina Julieta Bellone
- Pontifical Catholic University of Argentina, Buenos Aires, Argentina
- Chronobiology Lab, Department of Science and Technology, National University of Quilmes, Bernal, Argentina
| | - Joaquín Cagliani
- Anesthesiology Department, North Shore University Hospital, Manhasset, NY, USA
| | - Luis Larrateguy
- Private Center of Respiratory Medicine of Paraná, Entre Ríos, Argentina
| | | | - Diego Andrés Golombek
- Chronobiology Lab, Department of Science and Technology, National University of Quilmes, Bernal, Argentina
- Interdisciplinary Time Lab, San Andrés University, Buenos Aires, Argentina
| | | | | | - Daniel Eduardo Vigo
- Chronophysiology Lab, Institute for Biomedical Research (UCA-CONICET), Buenos Aires, Argentina.
- Katholieke Universiteit Leuven, Leuven, Belgium.
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Hulsegge G, Coenen P, Gascon GM, Pahwa M, Greiner B, Bohane C, Wong IS, Liira J, Riera R, Pachito DV. Adapting shift work schedules for sleep quality, sleep duration, and sleepiness in shift workers. Cochrane Database Syst Rev 2023; 9:CD010639. [PMID: 37694838 PMCID: PMC10494487 DOI: 10.1002/14651858.cd010639.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
BACKGROUND Shift work is associated with insufficient sleep, which can compromise worker alertness with ultimate effects on occupational health and safety. Adapting shift work schedules may reduce adverse occupational outcomes. OBJECTIVES To assess the effects of shift schedule adaptation on sleep quality, sleep duration, and sleepiness among shift workers. SEARCH METHODS We searched CENTRAL, PubMed, Embase, and eight other databases on 13 December 2020, and again on 20 April 2022, applying no language restrictions. SELECTION CRITERIA We included randomised controlled trials (RCTs) and non-RCTs, including controlled before-after (CBA) trials, interrupted time series, and cross-over trials. Eligible trials evaluated any of the following shift schedule components. • Permanency of shifts • Regularity of shift changes • Direction of shift rotation • Speed of rotation • Shift duration • Timing of start of shifts • Distribution of shift schedule • Time off between shifts • Split shifts • Protected sleep • Worker participation We included studies that assessed sleep quality off-shift, sleep duration off-shift, or sleepiness during shifts. DATA COLLECTION AND ANALYSIS Two review authors independently screened the titles and abstracts of the records recovered by the search, read through the full-text articles of potentially eligible studies, and extracted data. We assessed the risk of bias of included studies using the Cochrane risk of bias tool, with specific additional domains for non-randomised and cluster-randomised studies. For all stages, we resolved any disagreements by consulting a third review author. We presented the results by study design and combined clinically homogeneous studies in meta-analyses using random-effects models. We assessed the certainty of the evidence with GRADE. MAIN RESULTS We included 11 studies with a total of 2125 participants. One study was conducted in a laboratory setting and was not considered for drawing conclusions on intervention effects. The included studies investigated different and often multiple changes to shift schedule, and were heterogeneous with respect to outcome measurement. Forward versus backward rotation Three CBA trials (561 participants) investigated the effects of forward rotation versus backward rotation. Only one CBA trial provided sufficient data for the quantitative analysis; it provided very low-certainty evidence that forward rotation compared with backward rotation did not affect sleep quality measured with the Basic Nordic Sleep Questionnaire (BNSQ; mean difference (MD) -0.20 points, 95% confidence interval (CI) -2.28 to 1.89; 62 participants) or sleep duration off-shift (MD -0.21 hours, 95% CI -3.29 to 2.88; 62 participants). However, there was also very low-certainty evidence that forward rotation reduced sleepiness during shifts measured with the BNSQ (MD -1.24 points, 95% CI -2.24 to -0.24; 62 participants). Faster versus slower rotation Two CBA trials and one non-randomised cross-over trial (341 participants) evaluated faster versus slower shift rotation. We were able to meta-analyse data from two studies. There was low-certainty evidence of no difference in sleep quality off-shift (standardised mean difference (SMD) -0.01, 95% CI -0.26 to 0.23) and very low-certainty evidence that faster shift rotation reduced sleep duration off-shift (SMD -0.26, 95% CI -0.51 to -0.01; 2 studies, 282 participants). The SMD for sleep duration translated to an MD of 0.38 hours' less sleep per day (95% CI -0.74 to -0.01). One study provided very low-certainty evidence that faster rotations decreased sleepiness during shifts measured with the BNSQ (MD -1.24 points, 95% CI -2.24 to -0.24; 62 participants). Limited shift duration (16 hours) versus unlimited shift duration Two RCTs (760 participants) evaluated 80-hour workweeks with maximum daily shift duration of 16 hours versus workweeks without any daily shift duration limits. There was low-certainty evidence that the 16-hour limit increased sleep duration off-shift (SMD 0.50, 95% CI 0.21 to 0.78; which translated to an MD of 0.73 hours' more sleep per day, 95% CI 0.30 to 1.13; 2 RCTs, 760 participants) and moderate-certainty evidence that the 16-hour limit reduced sleepiness during shifts, measured with the Karolinska Sleepiness Scale (SMD -0.29, 95% CI -0.44 to -0.14; which translated to an MD of 0.37 fewer points, 95% CI -0.55 to -0.17; 2 RCTs, 716 participants). Shorter versus longer shifts One RCT, one CBA trial, and one non-randomised cross-over trial (692 participants) evaluated shorter shift duration (eight to 10 hours) versus longer shift duration (two to three hours longer). There was very low-certainty evidence of no difference in sleep quality (SMD -0.23, 95% CI -0.61 to 0.15; which translated to an MD of 0.13 points lower on a scale of 1 to 5; 2 studies, 111 participants) or sleep duration off-shift (SMD 0.18, 95% CI -0.17 to 0.54; which translated to an MD of 0.26 hours' less sleep per day; 2 studies, 121 participants). The RCT and the non-randomised cross-over study found that shorter shifts reduced sleepiness during shifts, while the CBA study found no effect on sleepiness. More compressed versus more spread out shift schedules One RCT and one CBA trial (346 participants) evaluated more compressed versus more spread out shift schedules. The CBA trial provided very low-certainty evidence of no difference between the groups in sleep quality off-shift (MD 0.31 points, 95% CI -0.53 to 1.15) and sleep duration off-shift (MD 0.52 hours, 95% CI -0.52 to 1.56). AUTHORS' CONCLUSIONS Forward and faster rotation may reduce sleepiness during shifts, and may make no difference to sleep quality, but the evidence is very uncertain. Very low-certainty evidence indicated that sleep duration off-shift decreases with faster rotation. Low-certainty evidence indicated that on-duty workweeks with shift duration limited to 16 hours increases sleep duration, with moderate-certainty evidence for minimal reductions in sleepiness. Changes in shift duration and compression of workweeks had no effect on sleep or sleepiness, but the evidence was of very low-certainty. No evidence is available for other shift schedule changes. There is a need for more high-quality studies (preferably RCTs) for all shift schedule interventions to draw conclusions on the effects of shift schedule adaptations on sleep and sleepiness in shift workers.
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Affiliation(s)
- Gerben Hulsegge
- The Netherlands Organization for Applied Scientific Research, TNO, Leiden, Netherlands
| | - Pieter Coenen
- Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Gregg M Gascon
- OhioHealth, Columbus, Ohio, USA
- Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Manisha Pahwa
- Occupational Cancer Research Centre, Ontario Health, Toronto, Canada
- Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Canada
| | - Birgit Greiner
- School of Public Health, University College Cork, Cork, Ireland
| | | | - Imelda S Wong
- Division of Science Integration, National Institute for Occupational Safety and Health, Cincinnati, OH, USA
| | - Juha Liira
- Department of Occupational Health, University of Turku, Turku, Finland
| | - Rachel Riera
- Cochrane Brazil Rio de Janeiro, Cochrane, Petrópolis, Brazil
- Center of Health Technology Assessment, Hospital Sírio-Libanês, São Paulo, Brazil
- Núcleo de Ensino e Pesquisa em Saúde Baseada em Evidência, Avaliação Tecnológica e Ensino em Saúde (NEP-Sbeats), Universidade Federal de São Paulo, São Paulo, Brazil
| | - Daniela V Pachito
- Prossono Centro de Diagnóstico e Medicina do Sono, Ribeirão Preto, São Paulo, Brazil
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Huth K, Frankel H, Cook S, Samuels RC. Caring for a Child with Chronic Illness: Effect on Families and Siblings. Pediatr Rev 2023; 44:393-402. [PMID: 37391635 DOI: 10.1542/pir.2022-005649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Affiliation(s)
- Kathleen Huth
- Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - Hilary Frankel
- Children's Hospital at Montefiore and Albert Einstein College of Medicine, Bronx, NY
| | - Stacey Cook
- Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - Ronald C Samuels
- Children's Hospital at Montefiore and Albert Einstein College of Medicine, Bronx, NY
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de Mélo Silva Júnior ML, Valença MM, Sampaio Rocha-Filho PA. Characteristics of residency programs and residents' learning experience in Brazil: a multispecialty, nation-wide study. PSYCHOL HEALTH MED 2023; 28:2329-2340. [PMID: 35773980 DOI: 10.1080/13548506.2022.2093928] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 06/20/2022] [Indexed: 10/17/2022]
Abstract
Factors associated with the optimal physician resident learning are yet to be fully understood. We aimed to correlate the characteristics of residency programs with the learning perception of residents. This was a cross-sectional study using an online structured questionnaire published on social networks, enrolling physician residents from almost all specialties in Brazil. The collection tool was settled considering the current national standards of medical residency programs in Brazil and it was internally validated. The response rate was 71.4% (n = 1,419). The median age was 28 years (IQR = 27-30), 51.9% were from clinical areas and 69.9% from the first or second postgraduation year. Adequate quality of faculty supervision was reported by 50.9%; frequent supervision of assistance activities in 22.1%; proper structure for carrying out healthcare in 82.1%, formal appraisals in 81.8%, classroom activities more than three times a week in 12.3%. Learning was rated as satisfactory by 70.8%. We found an 'inverted-U' shape correlation between duty hours and learning - briefer and longer workloads were associated with unsatisfactory learning. The factors independently associated with learning satisfaction were quantity (OR = 10.79, 95%CI = 7.38-15.77) and quality (1.68, 1.19-2.37) of preceptorship, structure for healthcare (2.10, 1.44-3.08), formal evaluations (1.83, 1.26-2.67), and briefer workload (0.18, 0.04-0.90) and age (0.94, 0.89-0.99) (AUROC = 0.838, 95%CI = 0.816-0.860). We conclude that the perception of satisfactory learning was influenced by higher frequency and quality of faculty supervision, adequate structure for healthcare, formal assessments, and reduced duty hours and age. Regulatory institutions should reinforce strategies to guarantee the fulfillment of residency standards and faculties should receive continued formal training to maximize their teaching skills.
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Affiliation(s)
- Mário Luciano de Mélo Silva Júnior
- Division of Neuropsychiatry, Federal University of Pernambuco (UFPE), Recife, Brazil
- Neurology Unit, Hospital da Restauração, Recife, Brazil
- Medical School, Uninassau, Recife, Brazil
| | | | - Pedro Augusto Sampaio Rocha-Filho
- Division of Neuropsychiatry, Federal University of Pernambuco (UFPE), Recife, Brazil
- Headache Clinic, Hospital Universitario Oswaldo Cruz, University of Pernambuco (UPE), Recife, Brazil
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9
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Schmidt MA, Jones JA, Mason CE. Optimizing human performance in extreme environments through precision medicine: From spaceflight to high-performance operations on Earth. CAMBRIDGE PRISMS. PRECISION MEDICINE 2023; 1:e27. [PMID: 38550927 PMCID: PMC10953751 DOI: 10.1017/pcm.2023.16] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/09/2023] [Accepted: 06/13/2023] [Indexed: 04/12/2024]
Abstract
Humans operating in extreme environments often conduct their operations at the edges of the limits of human performance. Sometimes, they are required to push these limits to previously unattained levels. As a result, their margins for error in execution are much smaller than that found in the general public. These same small margins for error that impact execution may also impact risk, safety, health, and even survival. Thus, humans operating in extreme environments have a need for greater refinement in their preparation, training, fitness, and medical care. Precision medicine (PM) is uniquely suited to address the needs of those engaged in these extreme operations because of its depth of molecular analysis, derived precision countermeasures, and ability to match each individual (and his or her specific molecular phenotype) with any given operating context (environment). Herein, we present an overview of a systems approach to PM in extreme environments, which affords clinicians one method to contextualize the inputs, processes, and outputs that can form the basis of a formal practice. For the sake of brevity, this overview is focused on molecular dynamics, while providing only a brief introduction to the also important physiologic and behavioral phenotypes in PM. Moreover, rather than a full review, it highlights important concepts, while using only selected citations to illustrate those concepts. It further explores, by demonstration, the basic principles of using functionally characterized molecular networks to guide the practical application of PM in extreme environments. At its core, PM in extreme environments is about attention to incremental gains and losses in molecular network efficiency that can scale to produce notable changes in health and performance. The aim of this overview is to provide a conceptual overview of one approach to PM in extreme environments, coupled with a selected suite of practical considerations for molecular profiling and countermeasures.
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Affiliation(s)
- Michael A. Schmidt
- Sovaris Aerospace, Boulder, CO, USA
- Advanced Pattern Analysis & Human Performance Group, Boulder, CO, USA
| | - Jeffrey A. Jones
- Center for Space Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Christopher E. Mason
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, NY, USA
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10
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Pavlinac Dodig I, Qazzafi A, Lusic Kalcina L, Demirovic S, Pecotic R, Valic M, Dogas Z. The Associations between Results in Different Domains of Cognitive and Psychomotor Abilities Measured in Medical Students. Brain Sci 2023; 13:brainsci13020185. [PMID: 36831728 PMCID: PMC9954177 DOI: 10.3390/brainsci13020185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/24/2023] Open
Abstract
We aimed to investigate the associations between intelligence quotient test scores obtained using the Raven's Advanced Progressive Matrices (APM) and psychomotor testing using the Complex Reactionmeter Drenovac (CRD) test battery, while taking into account previous theoretical approaches recognizing intelligent behavior as the cumulative result of a general biological speed factor reflected in the reaction time for perceptual detections and motor decisions. A total of 224 medical students at the University of Split School of Medicine were recruited. Their IQ scores were assessed using Raven's APM, while the computerized tests of CRD-series were used for testing the reaction time of perception to visual stimulus (CRD311), psychomotor limbs coordination task (CRD411), and solving simple arithmetic operations (CRD11). The total test-solving (TTST) and the minimum single-task-solving (MinT) times were analyzed. On the CRD11 test, task-solving times were shorter in students with higher APM scores (r = -0.48 for TTST and r = -0.44 for MinT; p < 0.001 for both). Negative associations between task-solving times and APM scores were reported on CRD311 (r = -0.30 for TTST and r = -0.33 for MinT, p < 0.001 for both). Negative associations between task-solving times in CRD411 and APM scores (r = -0.40 for TTST and r = -0.30 for MinT, p < 0.001 for both) were found. Faster reaction time in psychomotor limbs coordination tasks, the reaction time of perception to visual stimulus, and the reaction time of solving simple arithmetic operations were associated with a higher APM score in medical students, indicating the importance of mental speed in intelligence test performance. However, executive system functions, such as attention, planning, and goal weighting, might also impact cognitive abilities and should be considered in future research.
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Affiliation(s)
- Ivana Pavlinac Dodig
- Department of Neuroscience and Split Sleep Medicine Center, University of Split School of Medicine, 21000 Split, Croatia
| | - Aisha Qazzafi
- Department of Neuroscience, University of Split School of Medicine, 21000 Split, Croatia
| | - Linda Lusic Kalcina
- Department of Neuroscience and Split Sleep Medicine Center, University of Split School of Medicine, 21000 Split, Croatia
| | - Sijana Demirovic
- Department of Neuroscience and Split Sleep Medicine Center, University of Split School of Medicine, 21000 Split, Croatia
| | - Renata Pecotic
- Department of Neuroscience and Split Sleep Medicine Center, University of Split School of Medicine, 21000 Split, Croatia
- Correspondence: ; Tel.: +385-21-557-857
| | - Maja Valic
- Department of Neuroscience and Split Sleep Medicine Center, University of Split School of Medicine, 21000 Split, Croatia
| | - Zoran Dogas
- Department of Neuroscience and Split Sleep Medicine Center, University of Split School of Medicine, 21000 Split, Croatia
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11
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Douglas GL, DeKerlegand D, Dlouhy H, Dumont-Leblond N, Fields E, Heer M, Krieger S, Mehta S, Rooney BV, Torralba MG, Whiting SE, Crucian B, Lorenzi H, Smith SM, Young M, Zwart SR. Impact of diet on human nutrition, immune response, gut microbiome, and cognition in an isolated and confined mission environment. Sci Rep 2022; 12:20847. [PMID: 36522361 PMCID: PMC9755260 DOI: 10.1038/s41598-022-21927-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 10/06/2022] [Indexed: 12/23/2022] Open
Abstract
Long-duration spaceflight impacts human physiology, including well documented immune system dysregulation. The space food system has the potential to serve as a countermeasure to maladaptive physiological changes during spaceflight. However, the relationship between dietary requirements, the food system, and spaceflight adaptation requires further investigation to adequately define countermeasures and prioritize resources on future spaceflight missions. We evaluated the impact of an enhanced spaceflight diet, with increased quantity and variety of fruits, vegetables, fish, and other foods rich in flavonoids and omega-3 fatty acids, compared to a standard spaceflight diet on multiple health and performance outcomes in 16 subjects over four 45-day closed chamber missions in the NASA Human Exploration Research Analog (HERA). Subjects consuming the enhanced spaceflight diet had lower cholesterol levels, lower stress (i.e. cortisol levels), better cognitive speed, accuracy, and attention, and a more stable microbiome and metatranscriptome than subjects consuming the standard diet. Although no substantial changes were observed in the immune response, there were also no immune challenges, such as illness or infection, so the full benefits of the diet may not have been apparent in these analog missions. These results indicate that a spaceflight diet rich in fruits, vegetables, and omega-3 fatty acids produces significant health and performance benefits even over short durations. Further investigation is required to fully develop dietary countermeasures to physiological decrements observed during spaceflight. These results will have implications for food resource prioritization on spaceflight missions.
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Affiliation(s)
- Grace L. Douglas
- grid.419085.10000 0004 0613 2864Human Health and Performance Directorate (SF4), NASA Johnson Space Center, 2101 NASA Parkway, Houston, TX 77058 USA
| | | | - Holly Dlouhy
- grid.481680.30000 0004 0634 8729KBR, Houston, TX USA
| | - Nathan Dumont-Leblond
- grid.421142.00000 0000 8521 1798Centre de Recherche de L’Institut Universitaire de Cardiologie Et de Pneumologie de Québec, Quebec City, QC Canada
| | | | - Martina Heer
- grid.10388.320000 0001 2240 3300IU International University of Applied Sciences and University of Bonn, Bonn, Germany
| | | | | | | | | | | | - Brian Crucian
- grid.419085.10000 0004 0613 2864Human Health and Performance Directorate (SF4), NASA Johnson Space Center, 2101 NASA Parkway, Houston, TX 77058 USA
| | - Hernan Lorenzi
- grid.469946.0J Craig Venter Institute, Rockville, MD USA
| | - Scott M. Smith
- grid.419085.10000 0004 0613 2864Human Health and Performance Directorate (SF4), NASA Johnson Space Center, 2101 NASA Parkway, Houston, TX 77058 USA
| | - Millennia Young
- grid.419085.10000 0004 0613 2864Human Health and Performance Directorate (SF4), NASA Johnson Space Center, 2101 NASA Parkway, Houston, TX 77058 USA
| | - Sara R. Zwart
- grid.176731.50000 0001 1547 9964University of Texas Medical Branch, Galveston, TX USA
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12
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Lee MJ, Nho WY, Jung H, Cho JW, Seo JS, Lee HM, Cho KH, Kim YJ, Kim JK. High prevalence of depression and sleep-wake disorders among female emergency medicine residents in South Korea. Ann Med 2022; 54:846-855. [PMID: 35348012 PMCID: PMC8967212 DOI: 10.1080/07853890.2022.2053568] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Depression and sleep-wake disorders are recognized as one of the major problems among emergency physicians. While depression is more common in females than in males, the associated factors linking depression and sleep-wake disorders in emergency physicians, particularly females, remain unknown. OBJECTIVE To analyze the prevalence of depression and sleep-wake problems among emergency medicine (EM) residents in South Korea and to identify the gender differences and situations that adversely predispose female residents to mental health problems. METHODS We conducted a cross-sectional analysis using the data collected from the 2019 National EM Residents Wellness Survey targeting all of 630 EM residents in South Korea. The survey included variables potentially influencing depression and sleep-wake problems, such as personal characteristics, work-related stress, and extrinsic environment. Information regarding medical conditions, depression, job stress, and sleep deprivation was obtained using the self-administered Patient Health Questionnaire (PHQ-9), the Apgar Wellness Score (AWS), and the Epworth Sleepiness Scale (ESS). We analyzed the data using IBM SPSS Statistics version 25 and MedCalc version 17. RESULTS A total of 384 residents participated in the survey. Overall, 27.5% of the EM residents met the criteria for at least moderate depression and 36.9% of the EM residents had sleep-related problems. We found that difficulty in trading the shift schedule and frequent night shifts was associated with depression (p = .001, p = .005; respectively). Female residents demonstrated an increased risk of depression and sleepiness compared to their male counterparts (odds ratio [OR] 1.95, OR 1.81; respectively). In addition, logistic regression analysis revealed significant differences by gender in depression with regards to flexibility of trading shifts (p = .005), level of training in the emergency medical centre (p = .035), and frequent night shifts (p = .010). CONCLUSIONS Approximately, one-third of EM residents report depression and sleep-wake problems, with female residents showing a higher risk than male residents. Several risk factors were identified, and future strategies should be aimed to address these issues to improve the training environment and overall wellbeing of EM residents.KEY MESSAGESThe prevalence of depression and sleep-related problems were, respectively, 1.95 and 1.81 times higher in female residents compared to their male colleagues.The associated risk factors for depression were flexibility of shift trade, level of training in the emergency medical centre, and frequency of night shifts.Improving the training environment and facilities, as well as offering more flexible duty trading options can provide potential opportunities to reduce the risk.
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Affiliation(s)
- Mi Jin Lee
- Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, South Korea
| | - Woo Young Nho
- Department of Emergency Medicine, CHA Gumi Medical Center, CHA University, Gumi, South Korea
| | - Haewon Jung
- Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, South Korea
| | - Jae Wan Cho
- Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, South Korea
| | - Jun Seok Seo
- Department of Emergency Medicine, Dongguk University Ilsan Hospital, College of Medicine, Dongguk University, Seoul, South Korea
| | - Hyung Min Lee
- Department of Emergency Medicine, Kyung Hee Medical Center, Kyung Hee University, Seoul, South Korea
| | - Kwang Hyun Cho
- Department of Emergency Medicine, Nowon Eulji Medical Center, Eulji University, Seoul, South Korea
| | - Yun Jeong Kim
- Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, South Korea
| | - Jong Kun Kim
- Department of Emergency Medicine, School of Medicine, Kyungpook National University, Daegu, South Korea
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13
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Balfour-Lynn LP, Balfour-Lynn RE, Balfour-Lynn IM. Three generations of paediatric training. Arch Dis Child 2022; 107:857-858. [PMID: 34016594 DOI: 10.1136/archdischild-2021-322160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/03/2021] [Accepted: 05/06/2021] [Indexed: 11/03/2022]
Affiliation(s)
| | - Rosie E Balfour-Lynn
- Department of Paediatrics, Whipps Cross University Hospital NHS Trust, London, UK
| | - Ian M Balfour-Lynn
- Department of Paediatric Respiratory Medicine, Royal Brompton Hospital, London, UK
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14
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Ganesan S, Manousakis JE, Mulhall MD, Sletten TL, Tucker A, Howard ME, Anderson C, Rajaratnam SMW. Sleep, alertness and performance across a first and a second night shift in mining haul truck drivers. Chronobiol Int 2022; 39:769-780. [PMID: 35176952 DOI: 10.1080/07420528.2022.2034838] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This study examined the impact of first and second night shift work on sleep and performance in mining haul truck drivers. Sleep-wake patterns were monitored using wrist actigraphy. The Karolinska Sleepiness Scale (KSS), Psychomotor Vigilance Test (PVT) and a truck simulator were administered at the start and end of the first (N1) or second (N2) night shift (19:00-07:00 h). Participants were categorised into those who demonstrated a decline in performance (increase of one or more PVT lapses [reaction time >500 msec] from the start to the end of shift) or those who did not demonstrate a decline in performance (no increase in lapses) from the start to the end of shift. Total sleep time (TST) was longer in the 24 h prior to N1 (9.05 ± 1.49 h) compared to N2 (5.38 ± 1.32 h). PVT lapses and the slowest 10% of reaction times were similar at the start and end of N1, while greater impairments on these outcomes were observed at the end of N2 compared to the end of N1 (p < .05). In contrast, subjective sleepiness was equally impaired at the end of both night shifts. PVT performance (lapses and slowest 10% of reaction times) and drive violations demonstrated a similar direction of change on N1 and N2. Participants who demonstrated a decline in performance showed reduced TST in the 48 h prior to shifts compared to those who demonstrated no decline in performance across the shift. Likely due to short sleep prior, the end of N2 was associated with pronounced performance impairments on the PVT and drive violations compared to the start of the shift. The findings suggest that drive violations may be more sensitive to sleep loss compared to the other driving measures examined in this study. This study also emphasizes the need for adequate recovery sleep between night shifts.
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Affiliation(s)
- Saranea Ganesan
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia.,Cooperative Research Centre for Alertness, Safety and Productivity, Australia
| | - Jessica E Manousakis
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia
| | - Megan D Mulhall
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia.,Cooperative Research Centre for Alertness, Safety and Productivity, Australia
| | - Tracey L Sletten
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia.,Cooperative Research Centre for Alertness, Safety and Productivity, Australia
| | - Andrew Tucker
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia.,Cooperative Research Centre for Alertness, Safety and Productivity, Australia
| | - Mark E Howard
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia.,Cooperative Research Centre for Alertness, Safety and Productivity, Australia.,Institute for Breathing and Sleep, Austin Health, Heidelberg, Australia
| | - Clare Anderson
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia.,Cooperative Research Centre for Alertness, Safety and Productivity, Australia
| | - Shantha M W Rajaratnam
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, Australia.,Cooperative Research Centre for Alertness, Safety and Productivity, Australia
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15
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Stenger S, Grasshoff H, Hundt JE, Lange T. Potential effects of shift work on skin autoimmune diseases. Front Immunol 2022; 13:1000951. [PMID: 36865523 PMCID: PMC9972893 DOI: 10.3389/fimmu.2022.1000951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 11/29/2022] [Indexed: 02/16/2023] Open
Abstract
Shift work is associated with systemic chronic inflammation, impaired host and tumor defense and dysregulated immune responses to harmless antigens such as allergens or auto-antigens. Thus, shift workers are at higher risk to develop a systemic autoimmune disease and circadian disruption with sleep impairment seem to be the key underlying mechanisms. Presumably, disturbances of the sleep-wake cycle also drive skin-specific autoimmune diseases, but epidemiological and experimental evidence so far is scarce. This review summarizes the effects of shift work, circadian misalignment, poor sleep, and the effect of potential hormonal mediators such as stress mediators or melatonin on skin barrier functions and on innate and adaptive skin immunity. Human studies as well as animal models were considered. We will also address advantages and potential pitfalls in animal models of shift work, and possible confounders that could drive skin autoimmune diseases in shift workers such as adverse lifestyle habits and psychosocial influences. Finally, we will outline feasible countermeasures that may reduce the risk of systemic and skin autoimmunity in shift workers, as well as treatment options and highlight outstanding questions that should be addressed in future studies.
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Affiliation(s)
- Sarah Stenger
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany
| | - Hanna Grasshoff
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany
| | - Jennifer Elisabeth Hundt
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany.,Center for Research on Inflammation of the Skin, University of Lübeck, Lübeck, Germany
| | - Tanja Lange
- Department of Rheumatology and Clinical Immunology, University of Lübeck, Lübeck, Germany.,Center for Research on Inflammation of the Skin, University of Lübeck, Lübeck, Germany.,Center of Brain, Behavior and Metabolism (CBBM), University of Lübeck, Lübeck, Germany
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16
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Nakao H, Nomura O, Kubota M, Ishiguro A. Long-term impact of overnight shiftwork implementation on pediatric residents' mental wellness: A repeated cross-sectional survey. J Occup Health 2022; 64:e12349. [PMID: 35906714 PMCID: PMC9338226 DOI: 10.1002/1348-9585.12349] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/25/2022] [Accepted: 07/21/2022] [Indexed: 11/10/2022] Open
Abstract
Objectives The Japanese government partially enacted the “Work Style Reform Bill” in 2019. The National Center for Child Health and Development (NCCHD) introduced an Overnight Call Shift (OCS) system for pediatrician training. We conducted a follow‐up survey in 2019 to investigate the long‐term effectiveness of the OCS system to improve the pediatric residents' mental wellness at NCCHD. Methods We conducted a questionnaire‐based cross‐sectional survey for pediatric residents in 2019 to compare the data with those of the previous survey in 2012. The questionnaire includes demographic data, working conditions data, and mental wellness assessment by the Center for Epidemiologic Studies Depression scale (CES‐D) and the Maslach Burnout Inventory (MBI). Results The collection rate for the 2019 survey was 94.5% (37 participants/39 eligible). Compared to 2012, there were no significant changes in demographic data and working hours, a significant increase by about 30% in residents who took daytime off after night work, about 10% decrease in residents who scored 16 and above on the CES‐D, and a significant decrease in the mean score for depersonalization (DP) in the MBI. Multiple regression analyses showed that daytime off after night work was the decreasing factor for CES‐D and Emotional exhaustion (EE). Conclusions The overnight shiftwork system shortened the pediatric residents' duty hours somewhat, and imposed an impact on the pediatric residents' mental wellness.
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Affiliation(s)
- Hiro Nakao
- Department of General Pediatrics and Interdisciplinary Medicine, National Center for Child Health and Development, Setagaya-ku, Japan.,Center for Postgraduate Education and Training, National Center for Child Health and Development, Setagaya-ku, Japan
| | - Osamu Nomura
- Center for Postgraduate Education and Training, National Center for Child Health and Development, Setagaya-ku, Japan.,Department of Emergency and Disaster Medicine, Hirosaki University, Hirosaki, Japan
| | - Mitsuru Kubota
- Department of General Pediatrics and Interdisciplinary Medicine, National Center for Child Health and Development, Setagaya-ku, Japan
| | - Akira Ishiguro
- Center for Postgraduate Education and Training, National Center for Child Health and Development, Setagaya-ku, Japan
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17
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Boivin DB, Boudreau P, Kosmadopoulos A. Disturbance of the Circadian System in Shift Work and Its Health Impact. J Biol Rhythms 2021; 37:3-28. [PMID: 34969316 PMCID: PMC8832572 DOI: 10.1177/07487304211064218] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The various non-standard schedules required of shift workers force abrupt changes in the timing of sleep and light-dark exposure. These changes result in disturbances of the endogenous circadian system and its misalignment with the environment. Simulated night-shift experiments and field-based studies with shift workers both indicate that the circadian system is resistant to adaptation from a day- to a night-oriented schedule, as determined by a lack of substantial phase shifts over multiple days in centrally controlled rhythms, such as those of melatonin and cortisol. There is evidence that disruption of the circadian system caused by night-shift work results not only in a misalignment between the circadian system and the external light-dark cycle, but also in a state of internal desynchronization between various levels of the circadian system. This is the case between rhythms controlled by the central circadian pacemaker and clock genes expression in tissues such as peripheral blood mononuclear cells, hair follicle cells, and oral mucosa cells. The disruptive effects of atypical work schedules extend beyond the expression profile of canonical circadian clock genes and affects other transcripts of the human genome. In general, after several days of living at night, most rhythmic transcripts in the human genome remain adjusted to a day-oriented schedule, with dampened group amplitudes. In contrast to circadian clock genes and rhythmic transcripts, metabolomics studies revealed that most metabolites shift by several hours when working nights, thus leading to their misalignment with the circadian system. Altogether, these circadian and sleep-wake disturbances emphasize the all-encompassing impact of night-shift work, and can contribute to the increased risk of various medical conditions. Here, we review the latest scientific evidence regarding the effects of atypical work schedules on the circadian system, sleep and alertness of shift-working populations, and discuss their potential clinical impacts.
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Affiliation(s)
- Diane B Boivin
- Centre for Study and Treatment of Circadian Rhythms, Douglas Mental Health University Institute, Department of Psychiatry, McGill University, Montreal, QC, Canada
| | - Philippe Boudreau
- Centre for Study and Treatment of Circadian Rhythms, Douglas Mental Health University Institute, Department of Psychiatry, McGill University, Montreal, QC, Canada
| | - Anastasi Kosmadopoulos
- Centre for Study and Treatment of Circadian Rhythms, Douglas Mental Health University Institute, Department of Psychiatry, McGill University, Montreal, QC, Canada
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18
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Dairo Oguntebi A, Rosenbluth G. Doctors Also Need Sleep: Is It Time to Take Another Look at Our ROSTERS? Pediatrics 2021; 147:peds.2020-034017. [PMID: 33619045 DOI: 10.1542/peds.2020-034017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/13/2020] [Indexed: 11/24/2022] Open
Affiliation(s)
- Abimbola Dairo Oguntebi
- Department of Pediatric Hospital Medicine, Santa Clara Medical Center, Kaiser Permanente, Santa Clara, California; and
| | - Glenn Rosenbluth
- Division of Hospital Medicine, Department of Pediatrics, University of California, San Francisco, San Francisco, California
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