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Huyghe T, Calleja-González J, Bird SP, Alcaraz PE. Pupillometry as a new window to player fatigue? A glimpse inside the eyes of a Euro Cup Women's Basketball team. Biol Sport 2024; 41:3-15. [PMID: 38188113 PMCID: PMC10765450 DOI: 10.5114/biolsport.2024.125590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 07/18/2022] [Accepted: 02/14/2023] [Indexed: 01/09/2024] Open
Abstract
A rapidly emerging area of interest in high-pressure environments is that of pupillometry, where handheld quantitative infrared pupillometers (HQIPs) are able to track psycho-physiological fatigue in a fast, objective, valid, reliable, and non-invasive manner. However, the application of HQIPs in the context of athlete monitoring is yet to be determined. Therefore, the main aim of this pilot study was to examine the potential usefulness of a HQIP to monitor game-induced fatigue inside a professional female basketball setting by determining its (1) test-retest repeatability, (2) relationship with other biomarkers of game-induced fatigue, and (3) time-course from rested to fatigued states. A non-ophthalmologic practitioner performed a standardized Pupil Light Reflex (PLR) test using a medically graded HQIP among 9 professional female basketball players (2020-2021 Euro Cup) at baseline, 24-h pre-game (GD-1), 24-h post-game (GD+1) and 48-h post-game (GD+2). This was repeated over four subsequent games, equalling a total of 351 observations per eye. Two out of seven pupillometrics displayed good ICCs (0.95-0.99) (MinD and MaxD). Strong significant relationships were found between MaxD, MinD, and all registered biomarkers of game-induced fatigue (r = 0.69-0.82, p < 0.05), as well as between CV, MCV, and cognitive, lower-extremity muscle, and physiological fatigue markers (r = 0.74-0.76, p < 0.05). Three pupillometrics were able to detect a significant difference between rested and fatigued states. In particular, PC (right) (F = 5.173, η2 = 0.115 p = 0.028) and MCV (right) (F = 3.976, η2 = 0.090 p = 0.049) significantly decreased from baseline to GD+2, and LAT (left) (F = 4.023, η2 = 0.109 p = 0.009) significantly increased from GD-1 to GD+2. HQIPs have opened a new window of opportunity for monitoring game-induced fatigue in professional female basketball players. However, future research initiatives across larger and heterogenous samples, and longer investigation periods, are required to expand upon these preliminary findings.
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Affiliation(s)
- Thomas Huyghe
- Research Center for High Performance Sport, Universidad Católica de Murcia, Murcia, Spain
| | - Julio Calleja-González
- Department of Physical Education and Sports, Faculty of Education and Sport, University of the Basque Country, (UPV/EHU), Vitoria-Gasteiz, Spain
- Faculty of Kinesiology, University of Zagreb, Zagreb, Croatia
| | - Stephen P Bird
- School of Health and Medical Sciences, University of Southern Queensland, Ipswich QLD, Australia
| | - Pedro E Alcaraz
- Research Center for High Performance Sport, Universidad Católica de Murcia, Murcia, Spain
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Peter-Derex L, Micoulaud-Franchi JA, Lopez R, Barateau L. Evaluation of hypersomnolence: From symptoms to diagnosis, a multidimensional approach. Rev Neurol (Paris) 2023; 179:715-726. [PMID: 37563022 DOI: 10.1016/j.neurol.2023.07.004] [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: 07/02/2023] [Revised: 07/22/2023] [Accepted: 07/24/2023] [Indexed: 08/12/2023]
Abstract
Hypersomnolence is a major public health issue given its high frequency, its impact on academic/occupational functioning and on accidentology, as well as its heavy socio-economic burden. The positive and aetiological diagnosis is crucial, as it determines the therapeutic strategy. It must consider the following aspects: i) hypersomnolence is a complex concept referring to symptoms as varied as excessive daytime sleepiness, excessive need for sleep, sleep inertia, or drowsiness, all of which warrant specific dedicated investigations; ii) the boundary between physiological and abnormal hypersomnolence is blurred, since most symptoms can be encountered in the general population to varying degrees without being considered as pathological, meaning that their severity, frequency, context of occurrence and related impairment need to be carefully assessed; iii) investigation of hypersomnolence relies on scales/questionnaires as well as behavioural and neurophysiological tests, which measure one or more dimensions, keeping in mind the possible discrepancy between objective and subjective assessment; iv) aetiological reasoning is driven by knowledge of the main sleep regulation mechanisms, epidemiology, and associated symptoms. The need to assess hypersomnolence is growing, both for its management, and for assessing the efficacy of treatments. The landscape of tools available for investigating hypersomnolence is constantly evolving, in parallel with research into sleep physiology and technical advances. These investigations face the challenges of reconciling subjective perception and objective data, making tools accessible to as many people as possible and predicting the risk of accidents.
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Affiliation(s)
- L Peter-Derex
- Centre for Sleep Medicine and Respiratory Diseases, Croix-Rousse Hospital, Hospices Civils de Lyon, Lyon 1 University, Lyon, France; Lyon Neuroscience Research Centre, PAM Team, INSERM U1028, CNRS UMR 5292, Lyon, France.
| | - J-A Micoulaud-Franchi
- Service Universitaire de médecine du Sommeil, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France; UMR CNRS 6033 SANPSY, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France
| | - R Lopez
- National Reference Centre for Orphan Diseases, Narcolepsy, Idiopathic Hypersomnia, and Kleine-Levin Syndrome, Montpellier, France; Sleep-Wake Disorders Unit, Department of Neurology, Gui-de-Chauliac Hospital, CHU Montpellier, Montpellier, France; Institute of Neurosciences of Montpellier, University of Montpellier, INSERM, Montpellier, France
| | - L Barateau
- National Reference Centre for Orphan Diseases, Narcolepsy, Idiopathic Hypersomnia, and Kleine-Levin Syndrome, Montpellier, France; Sleep-Wake Disorders Unit, Department of Neurology, Gui-de-Chauliac Hospital, CHU Montpellier, Montpellier, France; Institute of Neurosciences of Montpellier, University of Montpellier, INSERM, Montpellier, France
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3
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Thyssen JP, Nymand LK, Maul JT, Schmid-Grendelmeier P, Wu JJ, Frøstrup AG, Gren ST, Thomsen SF, Egeberg A. The Association Between Fatigue and Adult Atopic Dermatitis: A Cross-Sectional Study. Dermatitis 2023; 34:432-439. [PMID: 36724471 DOI: 10.1089/derm.2022.0036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Background: There is currently limited insight into the broader impact of atopic dermatitis (AD) on mental health. Although studies indicate that AD patients may experience fatigue, no study has so far examined fatigue in more granular detail, for example, occurrence of general fatigue, physical fatigue, reduced activity, reduced motivation, and mental fatigue, or correlated fatigue measures with AD severity and symptoms intensity. Objectives: To examine fatigue subtypes and their prevalence in adults with AD, as well as their possible association with AD severity. Methods: A survey was conducted in adults with AD who had been managed in a hospital setting. The Patient-Oriented SCORing Atopic Dermatitis was used to determine AD severity. Patient reported outcomes, including multidimensional fatigue inventory, were included. Results: Data from 2729 adults with AD were analyzed. The total and individual fatigue scores increased consistently with lower socioeconomic scores, higher AD severity, Dermatology Life Quality Index, itch, pain, and sleep scores. Increased fatigue scores were associated with AD severity in adjusted analyses. Conclusions: Among adults with AD, fatigue scores increased with disease severity as well as intensity of AD symptoms. Fatigue is a hitherto underappreciated symptom of AD that clinicians should be cognizant about.
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Affiliation(s)
- Jacob P Thyssen
- From the Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Lea K Nymand
- From the Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
| | | | | | - Jashin J Wu
- Dermatology Research and Education Foundation, Irvine, California, USA
| | | | | | - Simon Francis Thomsen
- From the Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Alexander Egeberg
- From the Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
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Russo A, Mulić R, Kolčić I, Maleš M, Jerončić Tomić I, Pezelj L. Longitudinal Study on the Effect of Onboard Service on Seafarers' Health Statuses. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:4497. [PMID: 36901506 PMCID: PMC10002301 DOI: 10.3390/ijerph20054497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/26/2023] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
Seafaring is considered one of the most stressful professions. Stressors in seafaring lead to typical symptoms of stress, such as insomnia, loss of concentration, anxiety, lower tolerance of frustration, changes in eating habits, psychosomatic symptoms and diseases, and overall reduced productivity, with the possibility of burnout and chronic responsibility syndrome. It has been previously determined that seafarers belong to high-risk occupations in terms of developing metabolic syndrome, and according to their BMIs, almost 50% of all seafarers belong to the overweight and obesity categories. This is the first longitudinal study conducted with the aim of using the BIA method to determine the anthropometrical changes that occur during several weeks of continuous onboard service. This study included an observed group consisting of 63 professional seafarers with 8 to 12 weeks of continuous onboard service and a control group of 36 respondents from unrelated occupations. It was determined that Croatian seafarers fit into the current world trends regarding overweight and obesity among the seafaring population, with the following percentages in the BMI categories: underweight, 0%; normal weight, 42.86%; overweight, 39.68%; and obesity, 17.46%. It was established that the anthropometric statuses of the seafarers significantly changed during several weeks of continuous onboard service. Seafarers who served on board for 11 weeks lost 0.41 kg of muscle mass, whereas their total fat mass increased by 1.93 kg. Changes in anthropometric parameters could indicate deterioration of seafarers' health statuses.
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Affiliation(s)
- Andrea Russo
- Faculty of Maritime Studies, University of Split, Ruđera Boškovića 37, 21000 Split, Croatia
| | - Rosanda Mulić
- Faculty of Maritime Studies, University of Split, Ruđera Boškovića 37, 21000 Split, Croatia
- School of Medicine, University of Split, Šoltanska 2, 21000 Split, Croatia
| | - Ivana Kolčić
- School of Medicine, University of Split, Šoltanska 2, 21000 Split, Croatia
| | - Matko Maleš
- Faculty of Maritime Studies, University of Split, Ruđera Boškovića 37, 21000 Split, Croatia
| | | | - Luka Pezelj
- Faculty of Maritime Studies, University of Split, Ruđera Boškovića 37, 21000 Split, Croatia
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Kerkamm F, Dengler D, Eichler M, Materzok-Köppen D, Belz L, Neumann FA, Zyriax BC, Harth V, Oldenburg M. Sleep Architecture and Sleep-Related Breathing Disorders of Seafarers on Board Merchant Ships: A Polysomnographic Pilot Field Study on the High Seas. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3168. [PMID: 36833863 PMCID: PMC9962439 DOI: 10.3390/ijerph20043168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 02/02/2023] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
As seafarers are assumed to have an increased risk profile for sleep-related breathing disorders, this cross-sectional observational study measured (a) the feasibility and quality of polysomnography (PSG) on board merchant ships, (b) sleep macro- and microarchitecture, (c) sleep-related breathing disorders, such as obstructive sleep apnea (OSA), using the apnea-hypopnea index (AHI), and (d) subjective and objective sleepiness using the Epworth Sleepiness Scale (ESS) and pupillometry. Measurements were carried out on two container ships and a bulk carrier. A total of 19 out of 73 male seafarers participated. The PSG's signal qualities and impedances were comparable to those in a sleep laboratory without unusual artifacts. Compared to the normal population, seafarers had a lower total sleep time, a shift of deep sleep phases in favor of light sleep phases as well as an increased arousal index. Additionally, 73.7% of the seafarers were diagnosed with at least mild OSA (AHI ≥ 5) and 15.8% with severe OSA (AHI ≥ 30). In general, seafarers slept in the supine position with a remarkable frequency of breathing cessations. A total of 61.1% of the seafarers had increased subjective daytime sleepiness (ESS > 5). Pupillometry results for objective sleepiness revealed a mean relative pupillary unrest index (rPUI) of 1.2 (SD 0.7) in both occupational groups. In addition, significantly poorer objective sleep quality was found among the watchkeepers. A need for action with regard to poor sleep quality and daytime sleepiness of seafarers on board is indicated. A slightly increased prevalence of OSA among seafarers is likely.
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Affiliation(s)
- Fiona Kerkamm
- Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany
| | - Dorothee Dengler
- Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany
| | - Matthias Eichler
- Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany
| | - Danuta Materzok-Köppen
- Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany
| | - Lukas Belz
- Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany
| | - Felix Alexander Neumann
- Preventive Medicine and Nutrition, Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany
| | - Birgit-Christiane Zyriax
- Preventive Medicine and Nutrition, Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany
| | - Volker Harth
- Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany
| | - Marcus Oldenburg
- Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany
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Gao X, Ma K, Yang H, Wang K, Fu B, Zhu Y, She X, Cui B. A rapid, non-invasive method for fatigue detection based on voice information. Front Cell Dev Biol 2022; 10:994001. [PMID: 36176279 PMCID: PMC9513181 DOI: 10.3389/fcell.2022.994001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 08/24/2022] [Indexed: 11/19/2022] Open
Abstract
Fatigue results from a series of physiological and psychological changes due to continuous energy consumption. It can affect the physiological states of operators, thereby reducing their labor capacity. Fatigue can also reduce efficiency and, in serious cases, cause severe accidents. In addition, it can trigger pathological-related changes. By establishing appropriate methods to closely monitor the fatigue status of personnel and relieve the fatigue on time, operation-related injuries can be reduced. Existing fatigue detection methods mostly include subjective methods, such as fatigue scales, or those involving the use of professional instruments, which are more demanding for operators and cannot detect fatigue levels in real time. Speech contains information that can be used as acoustic biomarkers to monitor physiological and psychological statuses. In this study, we constructed a fatigue model based on the method of sleep deprivation by collecting various physiological indexes, such as P300 and glucocorticoid level in saliva, as well as fatigue questionnaires filled by 15 participants under different fatigue procedures and graded the fatigue levels accordingly. We then extracted the speech features at different instances and constructed a model to match the speech features and the degree of fatigue using a machine learning algorithm. Thus, we established a method to rapidly judge the degree of fatigue based on speech. The accuracy of the judgment based on unitary voice could reach 94%, whereas that based on long speech could reach 81%. Our fatigue detection method based on acoustic information can easily and rapidly determine the fatigue levels of the participants. This method can operate in real time and is non-invasive and efficient. Moreover, it can be combined with the advantages of information technology and big data to expand its applicability.
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Affiliation(s)
| | | | | | | | | | | | | | - Bo Cui
- *Correspondence: Xiaojun She, ; Bo Cui,
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The Necessity of a Reduced Version of the Psychomotor Battery to Screen for Learning Difficulties in Preschool Children. SUSTAINABILITY 2022. [DOI: 10.3390/su14127263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Psychomotor development is important for effective learning. Therefore, psychomotor observation is essential beginning in preschool education; however, observational instruments require practice, experience and time-consuming procedures. Psychomotor Battery (PBM) is useful to observe children’s psychomotor profile but needs 30 to 40 min per child to be applied. Therefore, the main objective of this study was to justify the need of a reduced version of the PBM to enable more frequent psychomotor observations at this level of education. A total of 70 preschool students with typical development were observed over 4 months in a school context, among which 31 were males and 39 were females (4- and 5-year-old). PBM is composed by seven psychomotor factors (PMF) distributed across three neuropsychological functional units. The total average of points for psychomotor observations was obtained using multiple linear regression (MLR) with a Stepwise method. For associations, Pearson’s correlation coefficient (r) was used. The results of this study showed that it is possible to reduce the average time of psychomotor observation by 43.7% (13 min and 31 s), maintaining a very strong association with the total average of points obtained. This reduction in observation time may contribute to the increase in psychomotor observations of preschool children using PMB.
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Edú-Valsania S, Laguía A, Moriano JA. Burnout: A Review of Theory and Measurement. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:1780. [PMID: 35162802 PMCID: PMC8834764 DOI: 10.3390/ijerph19031780] [Citation(s) in RCA: 96] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/31/2022] [Accepted: 02/02/2022] [Indexed: 02/06/2023]
Abstract
A growing body of empirical evidence shows that occupational health is now more relevant than ever due to the COVID-19 pandemic. This review focuses on burnout, an occupational phenomenon that results from chronic stress in the workplace. After analyzing how burnout occurs and its different dimensions, the following aspects are discussed: (1) Description of the factors that can trigger burnout and the individual factors that have been proposed to modulate it, (2) identification of the effects that burnout generates at both individual and organizational levels, (3) presentation of the main actions that can be used to prevent and/or reduce burnout, and (4) recapitulation of the main tools that have been developed so far to measure burnout, both from a generic perspective or applied to specific occupations. Furthermore, this review summarizes the main contributions of the papers that comprise the Special Issue on "Occupational Stress and Health: Psychological Burden and Burnout", which represent an advance in the theoretical and practical understanding of burnout.
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Affiliation(s)
- Sergio Edú-Valsania
- Department of Social Sciences, Universidad Europea Miguel de Cervantes (UEMC), C/Padre Julio Chevalier, 2, 47012 Valladolid, Spain;
| | - Ana Laguía
- Department of Social and Organizational Psychology, Faculty of Psychology, Universidad Nacional de Educación a Distancia (UNED), C/Juan del Rosal 10, 28040 Madrid, Spain;
| | - Juan A. Moriano
- Department of Social and Organizational Psychology, Faculty of Psychology, Universidad Nacional de Educación a Distancia (UNED), C/Juan del Rosal 10, 28040 Madrid, Spain;
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