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Teixeira JG, Lima LTB, Cunha EC, Marques da Cruz FODA, Carneiro KKG, Ribeiro LM, Brasil GDC. Association between cortisol levels and performance in clinical simulation: a systematic review. Rev Esc Enferm USP 2024; 58:e20230279. [PMID: 39058375 PMCID: PMC11277686 DOI: 10.1590/1980-220x-reeusp-2023-0279en] [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: 09/04/2023] [Accepted: 05/28/2024] [Indexed: 07/28/2024] Open
Abstract
OBJECTIVE To identify how stress measured by salivary cortisol during clinical simulation-based education, or simulation and another teaching method, impacts performance. METHOD Systematic review of the association between cortisol and performance in simulations. The following databases were used: PubMed, LIVIVO, Scopus, EMBASE, Latin American and Caribbean Health Sciences Literature (LILACS) and Web of Science. Additional searches of gray literature were carried out on Google Scholar and Proquest. The searches took place on March 20, 2023. The risk of bias of randomized clinical trials was assessed using the Cochrane Collaboration Risk of Bias Tool (RoB 2). Inclusion criteria were: simulation studies with salivary cortisol collection and performance evaluation, published in any period in Portuguese, English and Spanish. RESULTS 11 studies were included which measured stress using salivary cortisol and were analyzed using descriptive synthesis and qualitative analysis. CONCLUSION Some studies have shown a relationship between stress and performance, which may be beneficial or harmful to the participant. However, other studies did not show this correlation, which may not have been due to methodological issues.
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Affiliation(s)
- Jackson Gois Teixeira
- Centro Universitário do Distrito Federal, Departamento de Enfermagem, Brasília, DF, Brazil
| | | | - Elaine Carvalho Cunha
- Centro Universitário do Distrito Federal, Departamento de Enfermagem, Brasília, DF, Brazil
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Li H, Upreti T, Do V, Dance E, Lewis M, Jacobson R, Goldberg A. Measuring wellbeing: A scoping review of metrics and studies measuring medical student wellbeing across multiple timepoints. MEDICAL TEACHER 2024; 46:82-101. [PMID: 37405740 DOI: 10.1080/0142159x.2023.2231625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/06/2023]
Abstract
PURPOSE Studies have demonstrated poor mental health in medical students. However, there is wide variation in study design and metric use, impairing comparability. The authors aimed to examine the metrics and methods used to measure medical student wellbeing across multiple timepoints and identify where guidance is necessary. METHODS Five databases were searched between May and June 2021 for studies using survey-based metrics among medical students at multiple timepoints. Screening and data extraction were done independently by two reviewers. Data regarding the manuscript, methodology, and metrics were analyzed. RESULTS 221 studies were included, with 109 observational and 112 interventional studies. There were limited studies (15.4%) focused on clinical students. Stress management interventions were the most common (40.2%). Few (3.57%) interventional studies followed participants longer than 12 months, and 38.4% had no control group. There were 140 unique metrics measuring 13 constructs. 52.1% of metrics were used only once. CONCLUSIONS Unique guidance is needed to address gaps in study design as well as unique challenges surrounding medical student wellbeing surveys. Metric use is highly variable and future research is necessary to identify metrics specifically validated in medical student samples that reflect the diversity of today's students.
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Affiliation(s)
- Henry Li
- Department of Emergency Medicine, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Canada
| | - Tushar Upreti
- Max Rady College of Medicine, Faculty of Health Sciences, University of Manitoba Rady, Winnipeg, Canada
| | - Victor Do
- Department of Pediatrics, Faculty of Medicine, University of Toronto Temerty, Toronto, Canada
| | - Erica Dance
- Department of Emergency Medicine, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Canada
| | - Melanie Lewis
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Ryan Jacobson
- Office of Advocacy and Wellbeing, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada
| | - Aviva Goldberg
- Department of Pediatrics and Child Health, Faculty of Health Sciences, University of Manitoba Rady, Winnipeg, Canada
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Laufs C, Herweg A, Antink CH. Methods and evaluation of physiological measurements with acoustic stimuli-a systematic review. Physiol Meas 2023; 44:11TR01. [PMID: 37857312 DOI: 10.1088/1361-6579/ad0516] [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: 02/28/2023] [Accepted: 10/19/2023] [Indexed: 10/21/2023]
Abstract
Objective. The detection of psychological loads, such as stress reactions, is receiving greater attention and social interest, as stress can have long-term effects on health O'Connor, Thayer and Vedhara (2021Ann. Rev. Psychol.72, 663-688). Acoustic stimuli, especially noise, are investigated as triggering factors. The application of physiological measurements in the detection of psychological loads enables the recording of a further quantitative dimension that goes beyond purely perceptive questionnaires. Thus, unconscious reactions to acoustic stimuli can also be captured. The numerous physiological signals and possible experimental designs with acoustic stimuli may quickly lead to a challenging implementation of the study and an increased difficulty in reproduction or comparison between studies. An unsuitable experimental design or processing of the physiological data may result in conclusions about psychological loads that are not valid anymore.Approach. The systematic review according to the preferred reporting items for systematic reviews and meta-analysis standard presented here is therefore intended to provide guidance and a basis for further studies in this field. For this purpose, studies were identified in which the participants' short-term physiological responses to acoustic stimuli were investigated in the context of a listening test in a laboratory study.Main Results. A total of 37 studies met these criteria and data items were analysed in terms of the experimental design (studied psychological load, independent variables/acoustic stimuli, participants, playback, scenario/context, duration of test phases, questionnaires for perceptual comparison) and the physiological signals (measures, calculated features, systems, data processing methods, data analysis methods, results). The overviews show that stress is the most studied psychological load in response to acoustic stimuli. An ECG/PPG system and the measurement of skin conductance were most frequently used for the detection of psychological loads. A critical aspect is the numerous different methods of experimental design, which prevent comparability of the results. In the future, more standardized methods are needed to achieve more valid analyses of the effects of acoustic stimuli.
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Affiliation(s)
- Christian Laufs
- HEAD acoustics GmbH, Ebertstraße 30a, D-52134, Herzogenrath, Germany
- KIS*MED (AI-Systems in Medicine), TU Darmstadt, Merckstraße 25, D-64283 Darmstadt, Germany
| | - Andreas Herweg
- HEAD acoustics GmbH, Ebertstraße 30a, D-52134, Herzogenrath, Germany
| | - Christoph Hoog Antink
- KIS*MED (AI-Systems in Medicine), TU Darmstadt, Merckstraße 25, D-64283 Darmstadt, Germany
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Ahn BT, Maurice-Ventouris M, Bilgic E, Yang A, Lau CHH, Peters H, Li K, Chang-Ou D, Harley JM. A scoping review of emotions and related constructs in simulation-based education research articles. Adv Simul (Lond) 2023; 8:22. [PMID: 37717029 PMCID: PMC10505334 DOI: 10.1186/s41077-023-00258-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 07/17/2023] [Indexed: 09/18/2023] Open
Abstract
BACKGROUND While acknowledgement of emotions' importance in simulation-based education is emerging, there are concerns regarding how education researchers understand the concept of emotions for them to deliberately incorporate emotionally charged scenarios into simulation-based education. This concern is highlighted especially in the context of medical education often lacking strong theoretical integration. To map out how current simulation-based education literature conceptualises emotion, we conducted a scoping review on how emotions and closely related constructs (e.g. stress, and emotional intelligence) are conceptualised in simulation-based education articles that feature medical students, residents, and fellows. METHODS The scoping review was based on articles published in the last decade identified through database searches (EMBASE and Medline) and hand-searched articles. Data extraction included the constructs featured in the articles, their definitions, instruments used, and the types of emotions captured. Only empirical articles were included (e.g. no review or opinion articles). Data were charted via descriptive analyses. RESULTS A total of 141 articles were reviewed. Stress was featured in 88 of the articles, while emotions and emotional intelligence were highlighted in 45 and 34 articles respectively. Conceptualisations of emotions lacked integration of theory. Measurements of emotions mostly relied on self-reports while stress was often measured via physiological and self-report measurements. Negative emotions such as anxiety were sometimes seen as interchangeable with the term stress. No inferences were made about specific emotions of participants from their emotional intelligence. CONCLUSIONS Our scoping review illustrates that learners in simulation-based education are most often anxious and fearful. However, this is partially due to medical education prioritising measuring negative emotions. Further theoretical integration when examining emotions and stress may help broaden the scope towards other kinds of emotions and better conceptualisations of their impact. We call for simulation education researchers to reflect on how they understand emotions, and whether their understanding may neglect any specific aspect of affective experiences their simulation participants may have.
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Affiliation(s)
| | | | - Elif Bilgic
- Department of Surgery, McGill University, Montreal, Canada
- Department of Pediatrics, McMaster University, Hamilton, Canada
- McMaster Education Research Innovation and Theory (MERIT) program, Hamilton, Canada
| | - Alison Yang
- Department of Surgery, McGill University, Montreal, Canada
| | | | - Hannah Peters
- Department of Surgery, McGill University, Montreal, Canada
| | - Kexin Li
- Department of Surgery, McGill University, Montreal, Canada
| | | | - Jason M Harley
- Department of Surgery, McGill University, Montreal, Canada.
- Research Institute of the McGill University Health Centre, Montreal, Canada.
- Institute for Health Sciences Education, McGill University, Montreal, Canada.
- Steinberg Centre for Simulation and Interactive Learning, McGill University, Montreal, Canada.
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Lehrke J, Lauff S, Mücher J, Friedrich MG, Boos M. Effects of the Noise Reduction and Communication Management Headset System SLOS on Noise and Stress of Medical Laboratory Workers. Lab Med 2023; 54:e161-e169. [PMID: 37218381 DOI: 10.1093/labmed/lmad033] [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] [Indexed: 05/24/2023] Open
Abstract
OBJECTIVE To investigate the effects of the Silent Laboratory Optimization System (SLOS), a technical-noise reduction and communication-management system, on noise load and stress among medical-laboratory workers. METHODS We conducted a quasiexperimental field study (20 days with SLOS as the experimental condition, and 20 days without SLOS as the control condition) in a within-subjects design. Survey data from 13 workers were collected before and after the shift. Also, a survey was conducted after the control and experimental conditions, respectively. Noise was measured in dBA and as a subjective assessment. Stress was operationalized via a stress composite score (STAI and Perkhofer Stress Scale), the Perceived Stress Scale (PSS), an exhaustion score (Leipziger StimmungsBogen in German [LSB]), and salivary cortisol values in µg/L. RESULTS SLOS users perceived significantly less noise (V = 76.5; P =.003). Multilevel models revealed a stress reduction with the SLOS on the composite score, compared with a stress increase in the control condition (F[1, 506.99] = 6.00; P = .01). A lower PSS score (F[1,13] = 4.67; P = .05) and a lower exhaustion level (F[1, 508.72] = 9.057; P = .003) in the experimental condition were found, whereas no differences in cortisol (F[1,812.58.6] = 0.093; P = .76) were revealed. CONCLUSION The workers showed reduced noise perception and stress across all criteria except cortisol when using SLOS.
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Affiliation(s)
- Jan Lehrke
- Georg-Elias-Mueller-Institute of Psychology, University of Goettingen, Goettingen, Germany
| | - Sören Lauff
- Department of Anesthesiology, University Medical Centre Goettingen, Goettingen, Germany
| | - Jan Mücher
- Georg-Elias-Mueller-Institute of Psychology, University of Goettingen, Goettingen, Germany
| | - Martin G Friedrich
- Department of Cardiovascular and Thoracic Surgery, University Medical Centre Goettingen, Goettingen, Germany
| | - Margarete Boos
- Georg-Elias-Mueller-Institute of Psychology, University of Goettingen, Goettingen, Germany
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Le Lous M, Beridot C, Baxter JSH, Huaulme A, Vasconcelos F, Stoyanov D, Siassakos D, Jannin P. Physical environment of the operating room during cesarean section: A systematic review. Eur J Obstet Gynecol Reprod Biol 2023; 288:1-6. [PMID: 37406465 DOI: 10.1016/j.ejogrb.2023.06.029] [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: 05/30/2023] [Accepted: 06/27/2023] [Indexed: 07/07/2023]
Abstract
INTRODUCTION Environmental factors in the operating room during cesarean sections are likely important for both women/birthing people and their babies but there is currently a lack of rigorous literature about their evaluation. The principal aim of this study was to systematically examine studies published on the physical environment in the obstetrical operating room during c-sections and its impact on mother and neonate outcomes. The secondary objective was to identify the sensors used to investigate the operating room environment during cesarean sections. METHODS In this literature review, we searched MEDLINE a database using the following keywords: Cesarean section AND (operating room environment OR Noise OR Music OR Video recording OR Light level OR Gentle OR Temperature OR Motion Data). Eligible studies had to be published in English or French within the past 10 years and had to investigate the operating room environment during cesarean sections in women. For each study we reported which aspects of the physical environment were investigated in the OR (i.e., noise, music, movement, light or temperature) and the involved sensors. RESULTS Of a total of 105 studies screened, we selected 8 articles from title and abstract in PubMed. This small number shows that the field is poorly investigated. The most evaluated environment factors to date are operating room noise and temperature, and the presence of music. Few studies used advanced sensors in the operating room to evaluate environmental factors in a more nuanced and complete way. Two studies concern the sound level, four concern music, one concerns temperature and one analyzed the number of entrances/exits into the OR. No study analyzed light level or more fine-grained movement data. CONCLUSIONS Main findings include increase of noise and motion at specific time-points, for example during delivery or anaesthesia; the positive impact of music on parents and staff alike; and that a warmer theatre is better for babies but more uncomfortable for surgeons.
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Affiliation(s)
- Maela Le Lous
- Department of Obstetrics and Gynecology, University Hospital of Rennes, France; LTSI - INSERM UMR 1099, University of Rennes 1, F35000 Rennes, France; Department of Computer Science, Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, London, United Kingdom.
| | - Caroline Beridot
- Department of Obstetrics and Gynecology, University Hospital of Rennes, France
| | - John S H Baxter
- LTSI - INSERM UMR 1099, University of Rennes 1, F35000 Rennes, France
| | - Arnaud Huaulme
- LTSI - INSERM UMR 1099, University of Rennes 1, F35000 Rennes, France
| | - Francisco Vasconcelos
- Department of Computer Science, Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, London, United Kingdom
| | - Danail Stoyanov
- Department of Computer Science, Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, London, United Kingdom
| | - Dimitrios Siassakos
- Department of Computer Science, Wellcome/EPSRC Centre for Interventional and Surgical Sciences (WEISS), University College London, London, United Kingdom; EGA Institute for Women's Health, University College London, London, United Kingdom
| | - Pierre Jannin
- LTSI - INSERM UMR 1099, University of Rennes 1, F35000 Rennes, France
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Tjønnås MS, Guzmán-García C, Sánchez-González P, Gómez EJ, Oropesa I, Våpenstad C. Stress in surgical educational environments: a systematic review. BMC MEDICAL EDUCATION 2022; 22:791. [PMID: 36380334 PMCID: PMC9667591 DOI: 10.1186/s12909-022-03841-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 10/29/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The effects of stress on surgical residents and how stress management training can prepare residents to effectively manage stressful situations is a relevant topic. This systematic review aimed to analyze the literature regarding (1) the current stress monitoring tools and their use in surgical environments, (2) the current methods in surgical stress management training, and (3) how stress affects surgical performance. METHODS A search strategy was implemented to retrieve relevant articles from Web of Science, Scopus, and PubMed. The 787 initially retrieved articles were reviewed for further evaluation according to the inclusion/exclusion criteria (Prospero registration number CRD42021252682). RESULTS Sixty-one articles were included in the review. The stress monitoring methods found in the articles showed heart rate analysis as the most used monitoring tool for physiological parameters while the STAI-6 scale was preferred for psychological parameters. The stress management methods found in the articles were mental-, simulation- and feedback-based training, with the mental-based training showing clear positive effects on participants. The studies analyzing the effects of stress on surgical performance showed both negative and positive effects on technical and non-technical performance. CONCLUSIONS The impact of stress responses presents an important factor in surgical environments, affecting residents' training and performance. This study identified the main methods used for monitoring stress parameters in surgical educational environments. The applied surgical stress management training methods were diverse and demonstrated positive effects on surgeons' stress levels and performance. There were negative and positive effects of stress on surgical performance, although a collective pattern on their effects was not clear.
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Affiliation(s)
- Maria Suong Tjønnås
- Department of Neuromedicine and Movement Science (INB), Faculty of Medicine and Health Sciences, NTNU, Norwegian University of Science and Technology, N-7491, Trondheim, Norway.
- SINTEF Digital, Health Department, Trondheim, Norway.
| | - Carmen Guzmán-García
- Biomedical Engineering and Telemedicine Centre (GBT), ETSI Telecomunicación, Center for Biomedical Technology, Universidad Politécnica de Madrid (UPM), Madrid, Spain
| | - Patricia Sánchez-González
- Biomedical Engineering and Telemedicine Centre (GBT), ETSI Telecomunicación, Center for Biomedical Technology, Universidad Politécnica de Madrid (UPM), Madrid, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Enrique Javier Gómez
- Biomedical Engineering and Telemedicine Centre (GBT), ETSI Telecomunicación, Center for Biomedical Technology, Universidad Politécnica de Madrid (UPM), Madrid, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Ignacio Oropesa
- Biomedical Engineering and Telemedicine Centre (GBT), ETSI Telecomunicación, Center for Biomedical Technology, Universidad Politécnica de Madrid (UPM), Madrid, Spain
| | - Cecilie Våpenstad
- SINTEF Digital, Health Department, Trondheim, Norway
- Department of Clinical and Molecular Medicine (IKOM), Faculty of Medicine and Health Sciences, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
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Torkamani-Azar M, Lee A, Bednarik R. Methods and Measures for Mental Stress Assessment in Surgery: A Systematic Review of 20 Years of Literature. IEEE J Biomed Health Inform 2022; 26:4436-4449. [PMID: 35696473 DOI: 10.1109/jbhi.2022.3182869] [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: 11/10/2022]
Abstract
Real-time mental stress monitoring from surgeons and surgical staff in operating rooms may reduce surgical injuries, improve performance and quality of medical care, and accelerate implementation of stress-management strategies. Motivated by the increase in usage of objective and subjective metrics for cognitive monitoring and by the gap in reviews of experimental design setups and data analytics, a systematic review of 71 studies on mental stress and workload measurement in surgical settings, published in 2001-2020, is presented. Almost 61% of selected papers used both objective and subjective measures, followed by 25% that only administered subjective tools - mostly consisting of validated instruments and customized surveys. An overall increase in the total number of publications on intraoperative stress assessment was observed from mid-2010 s along with a momentum in the use of both subjective and real-time objective measures. Cardiac activity, including heart-rate variability metrics, stress hormones, and eye-tracking metrics were the most frequently and electroencephalography (EEG) was the least frequently used objective measures. Around 40% of selected papers collected at least two objective measures, 41% used wearable devices, 23% performed synchronization and annotation, and 76% conducted baseline or multi-point data acquisition. Furthermore, 93% used a variety of statistical techniques, 14% applied regression models, and only one study released a public, anonymized dataset. This review of data modalities, experimental setups, and analysis techniques for intraoperative stress monitoring highlights the initiatives of surgical data science and motivates research on computational techniques for mental and surgical skills assessment and cognition-guided surgery.
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Lehrke J, Boos M, Cordes A, Leitsmann C, Friedrich M. Effects of a Technical Solution on Stress of Surgical Staff in Operating Theatres. Thorac Cardiovasc Surg 2022; 70:392-400. [PMID: 35108735 DOI: 10.1055/s-0041-1741059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND Noise in operating theaters (OT) exceeds safety standards with detrimental effects on the health and performance of OT crews as well as patient safety. One of the reasons for these effects is the stress response to noise, which could be minimized by the Silent Operating Theater Optimisation System (SOTOS), a noise-reductive headset solution. METHODS This study evaluates the effects of the SOTOS on the stress perceived by OT crew members, operationalized through stress level and exhaustion. Twenty-one heart surgeries and 32 robot-assisted prostatectomies at the University Medical Center Goettingen, Germany were examined. Twenty-six surgeries were conducted with and 27 without the SOTOS. The SOTOS-effect is defined as a more beneficial stress course from before to after surgery, when comparing the experimental group with and control group without SOTOS. FINDINGS Eighty-one OT workers were investigated. The linear multilevel models revealed significant interactions between treatment and time of measurement on stress level (F[1, 406.66] = 3.62, p = 0.029) and exhaustion (F[1, 397.62] = 13.12, p = 0.00017). Nevertheless, there was no a significant main effect of surgery type on stress level (F[1, 82.69] = 1.00, p = 0.32) or on exhaustion (F[1, 80.61] = 0.58, p = 0.45). Additionally, no significant three-way interaction including surgery type, for stress level (F[1, 406.66] = 0.32, p = 0.29) or exhaustion (F[1, 397.62] = 0.03, p = 0.43), was found. INTERPRETATION An SOTOS-effect was confirmed: the development of stress over the course of an operation was beneficially modified by the SOTOS. Both surgery types are perceived as similarly stressful, and the staff benefits equally strongly from the intervention in both settings.
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Affiliation(s)
- Jan Lehrke
- Department of Social and Communication Psychology, Georg-Elias-Mueller-Institute of Psychology, University of Goettingen, Georg-August-Universität Goettingen, Goettingen, Germany
| | - Margarete Boos
- Department of Social and Communication Psychology, Georg-Elias-Mueller-Institute of Psychology, University of Goettingen, Georg-August-Universität Goettingen, Goettingen, Germany
| | - Andreas Cordes
- Department of Social and Communication Psychology, Georg-Elias-Mueller-Institute of Psychology, University of Goettingen, Georg-August-Universität Goettingen, Goettingen, Germany
| | - Conrad Leitsmann
- Department of Urology, University Medical Center Goettingen, Universitätsmedizin Goettingen, Goettingen, Niedersachsen, Germany
| | - Martin Friedrich
- Department of Thoracic and Cardiovascular Surgery, University Medical Center Goettingen, Universitätsmedizin Goettingen, Goettingen, Niedersachsen, Germany
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Grenzebach J, Romanus E. Quantifying the Effect of Noise on Cognitive Processes: A Review of Psychophysiological Correlates of Workload. Noise Health 2022; 24:199-214. [PMID: 36537445 PMCID: PMC10088430 DOI: 10.4103/nah.nah_34_22] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Noise is present in most work environments, including emissions from machines and devices, irrelevant speech from colleagues, and traffic noise. Although it is generally accepted that noise below the permissible exposure limits does not pose a considerable risk for auditory effects like hearing impairments. Yet, noise can have a direct adverse effect on cognitive performance (non-auditory effects like workload or stress). Under certain circumstances, the observable performance for a task carried out in silence compared to noisy surroundings may not differ. One possible explanation for this phenomenon needs further investigation: individuals may invest additional cognitive resources to overcome the distraction from irrelevant auditory stimulation. Recent developments in measurements of psychophysiological correlates and analysis methods of load-related parameters can shed light on this complex interaction. These objective measurements complement subjective self-report of perceived effort by quantifying unnoticed noise-related cognitive workload. In this review, literature databases were searched for peer-reviewed journal articles that deal with an at least partially irrelevant "auditory stimulation" during an ongoing "cognitive task" that is accompanied by "psychophysiological correlates" to quantify the "momentary workload." The spectrum of assessed types of "auditory stimulations" extended from speech stimuli (varying intelligibility), oddball sounds (repeating short tone sequences), and auditory stressors (white noise, task-irrelevant real-life sounds). The type of "auditory stimulation" was related (speech stimuli) or unrelated (oddball, auditory stressor) to the type of primary "cognitive task." The types of "cognitive tasks" include speech-related tasks, fundamental psychological assessment tasks, and real-world/simulated tasks. The "psychophysiological correlates" include pupillometry and eye-tracking, recordings of brain activity (hemodynamic, potentials), cardiovascular markers, skin conductance, endocrinological markers, and behavioral markers. The prevention of negative effects on health by unexpected stressful soundscapes during mental work starts with the continuous estimation of cognitive workload triggered by auditory noise. This review gives a comprehensive overview of methods that were tested for their sensitivity as markers of workload in various auditory settings during cognitive processing.
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Brasil GDC, Lima LTB, Cunha EC, Cruz FODAMD, Ribeiro LM. Stress level experienced by participants in realistic simulation: a systematic review. Rev Bras Enferm 2021; 74:e20201151. [PMID: 34287562 DOI: 10.1590/0034-7167-2020-1151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 01/11/2021] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVES to identify the available evidence regarding stress levels experienced by participants in education based on a realistic simulation. METHODS systematic review that included randomized clinic trials on electronic databases: Cumulative Index to Nursing and Allied Health Literature, Cochrane Library, Latin-American and Caribbean Literature in Health Sciences, LIVIVO, PubMed, Scopus, and Web of Science. The additional search was performed on Google Scholar and OpenGrey. All searches occurred on September 24, 2020. The methodologic quality of the results was evaluated by the Cochrane Collaboration Risk of Bias Tool. RESULTS eighteen studies were included, which evaluated the participants' stress using physiologic, self-reported measures, or the combination of both. Stress as experienced in a high level in simulated scenarios. CONCLUSIONS evidence of the study included in this systematic review suggest that stress is experienced in a high level in simulated scenarios.
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Arabacı A, Önler E. The Effect of Noise Levels in the Operating Room on the Stress Levels and Workload of the Operating Room Team. J Perianesth Nurs 2020; 36:54-58. [PMID: 33077358 DOI: 10.1016/j.jopan.2020.06.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 06/15/2020] [Accepted: 06/15/2020] [Indexed: 11/19/2022]
Abstract
PURPOSE The research was conducted to evaluate the noise levels and the effect of noise on the workload and stress levels of the operating room (OR) staff of a public hospital. DESIGN Descriptive and cross-sectional study. METHODS The data were obtained by measuring ambient noise during 403 orthopaedic, urological, and general surgeries on weekdays between July and October 2019. We measured the noise by dividing the surgery into three phases. These phases are as follows: from the entry of the patient, induction of anesthesia, and preparation of the surgical area until the start of the procedure (Phase I), from the incision until the completion of closure and dressing application (Phase II), from the completion of closure and dressing application until the exit of the patient (Phase III). Furthermore, the workload and stress levels of 45 OR staff who work in the general surgery, orthopaedics, and urology ORs were measured. Data were collected using a CA 834 noise measurement device, State-Trait Anxiety Inventory (STAI Form TX-I), the National Aeronautics and Space Administration (NASA) Task Load Index Workload Scale, and Information form related to surgery and ORs. FINDINGS The noise in the OR was higher than 35 dB, A-weighted [dB(A)], the limit proposed by the World Health Organization for hospitals. Phase I average noise level was 63.00 ± 3.50, Phase II average noise level was 62.94 ± 3.75, and Phase III average noise level was 63.67 ± 2.81. The mean anxiety score was 34.50 ± 6.09. The total workload level was found to be 56.91 ± 15.67. Anxiety scores and workload scores had positive weak and moderate correlations with noise levels (P < .01). CONCLUSIONS The noise in the OR was high, and anxiety scores and workload scores correlated positively with noise levels.
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Affiliation(s)
- Ayşen Arabacı
- Nursing Department, Tekirdağ Namik Kemal University, Tekirdağ, Turkey
| | - Ebru Önler
- Nursing Department, Tekirdağ Namik Kemal University, Tekirdağ, Turkey.
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Quantitative Evaluations of the Effects of Noise on Mental Workloads Based on Pupil Dilation during Laparoscopic Surgery. Am Surg 2018. [DOI: 10.1177/000313481808401243] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Noise can exert undeniable pressure on human minds, especially during tasks that require high precision and attention, such as those performed during surgery. To investigate whether auditory stimuli increases mental loads during laparoscopic surgery, we examined the effects of operating room (OR) noises and music by measuring mean changes in pupil sizes and subjectively assessing performances during surgery. We recruited 24 subjects with varying laparoscopic surgery experience levels to perform complete appendectomy using a laparoscopic simulator. Wearable eye trackers were worn by all subjects to monitor pupil sizes during surgery, and surgical tasks were performed under conditions of silence, background OR noise, and music. National Aeronautics and Space Administration-Task Load Index scores and performance parameters were also recorded during surgical tasks. Noise distractions were associated with significant increases in pupil sizes compared with those observed in silence, and the related increases in mental loads may have affected surgical performance. However, more experienced operators had smaller changes in pupil sizes because of auditory disturbances than moderately experienced surgeons. Noise stimulation in the OR increases surgeon's mental workload and performance. Auditory regulation of the OR may be better standardized using data from studies of the effects of acoustic stimulation in the OR, and mental stresses during surgery could be considered in a more humane manner. Further investigations are necessary to determine the cognitive consequences of various auditory stimuli.
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Moawad GN, Tyan P, Kumar D, Krapf J, Marfori C, Abi Khalil ED, Robinson J. Determining the Effect of External Stressors on Laparoscopic Skills and Performance Between Obstetrics and Gynecology Residents. JOURNAL OF SURGICAL EDUCATION 2017; 74:862-866. [PMID: 28552418 DOI: 10.1016/j.jsurg.2017.03.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 03/01/2017] [Indexed: 06/07/2023]
Abstract
STUDY OBJECTIVE To evaluate the effect of stress on laparoscopic skills between obstetrics and gynecology residents. DESIGN Observational prospective cohort study. DESIGN CLASSIFICATION Prospective cohort. SETTING Urban teaching university hospital. PARTICIPANTS (PATIENTS) Thirty-one obstetrics and gynecology residents, postgraduate years 1 to 4. INTERVENTION We assessed 4 basic laparoscopic skills at 2 sessions. The first session was the baseline; 6 months later the same skills were assessed under audiovisual stressors. We compared the effect of stress on accuracy and efficiency between the 2 sessions. MEASUREMENTS AND MAIN RESULTS A linear model was used to analyze time. Under stress, residents were more efficient in 3 of the 4 modules. Ring transfer (hand-eye coordination and bimanual dexterity), p = 0.0304. Ring of fire (bimanual dexterity and measure of depth perception), p = 0.0024 and dissection glove (respect of delicate tissue planes), p = 0.0002. Poisson regression was used to analyze the total number of penalties. Residents were more likely to acquire penalties under stress. Ring transfer, p = 0.0184 and cobra (hand-to-hand coordination), p = 0.0487 yielded a statistically significant increase in penalties in the presence of stressors. Dissection glove p = 0.0605 yielded a nonsignificant increase in penalties. CONCLUSION Our work confirmed that while under stress residents were more efficient, this translated into their ability to complete tasks faster in all the tested skills. Efficiency, however, came at the expense of accuracy.
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Affiliation(s)
- Gaby N Moawad
- Department of Minimally Invasive Gynecologic Surgery, George Washington University, Washington, DC
| | - Paul Tyan
- Department of Obstetrics and Gynecology, George Washington University, Washington, DC.
| | - Dipti Kumar
- Department of Obstetrics and Gynecology, Tufts Medical Center, Boston, Massachusetts
| | - Jill Krapf
- Women's Health Department, Baylor All-Saints Medical Center, Fort Worth, Texas
| | - Cherie Marfori
- Department of Minimally Invasive Gynecologic Surgery, George Washington University, Washington, DC
| | - Elias D Abi Khalil
- Department of Minimally Invasive Gynecologic Surgery, George Washington University, Washington, DC
| | - James Robinson
- Department of Obstetrics and Gynecology, National Center for Advanced Pelvic Surgery, MedStar Washington Hospital Center, Georgetown University School of Medicine, Washington, DC; Department of Urology, National Center for Advanced Pelvic Surgery, MedStar Washington Hospital Center, Georgetown University School of Medicine, Washington, DC
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