Stressors in anaesthesiology: development and validation of a new questionnaire: A cross-sectional study of Portuguese anaesthesiologists

BACKGROUND: Stress in anaesthesiologists is a common and multifactorial problem related to patients, colleagues and organisations. The consequences of stress include depression, work-home conflicts and burnout. Reduction in stress can be achieved by reducing the number and magnitude of stressors or by increasing resilience strategies. OBJECTIVES: We have created the self-reporting 'Stress Questionnaire in Anaesthesiologists' (SQA), to qualify the sources of stress in anaesthesiologists' professional lives, and measure the level of associated stress. Our study aimed to develop and validate the SQA using exploratory and confirmatory factor analyses. Construct validity was assessed through correlations between SQA and negative psychological outcomes as well as by comparing perception of stress among different known groups. DESIGN: A questionnaire-based cross-sectional, correlational, observational study. SETTINGS: The study was conducted between January 2014 and December 2014, throughout different anaesthesia departments in Portuguese hospitals. Data collection was from a representative subset at one specific time point. PARTICIPANTS: A sample of 710 anaesthesia specialists and residents from Portugal. MAIN OUTCOME MEASURES: The primary outcome measure was to identify specific stressors in anaesthesiologists. Secondary outcome was the association between stressors and burnout, depression symptoms, anxiety, stress, rumination, satisfaction with life and functional impairment. RESULTS: The exploratory analysis showed the SQA is a tri-dimensional instrument and confirmatory analysis showed the tri-dimensional structure presented good model fit. The three dimensions of SQA correlated positively with other stress measures and burnout, but negatively with satisfaction with life. CONCLUSION: SQA is a well adjusted measure for assessing stressors in anaesthesia physicians and includes clinical, organisational and team stress factors. Results showed that the SQA is a robust and reliable instrument.info:eu-repo/semantics/publishedVersio

Construction de modules de rattrapage : La loi d'Ohm, exemple de programme permettant de traiter une loi simple

contrat EDU-JSP-81-6-182

A study by electronic paramagnetic resonance and Mössbauer spectroscopy of some lunar samples collected by Apollo 12

Les auteurs ont soumis à l'étude, par résonance paramagnétique électronique et par effet Mössbauer, quelques échantillons lunaires, sous forme de roches compactes et de poussière, prélevés par Apollo 12 dans l'Océan des Tempêtes. Ces recherches ont conduit à une importante discordance par rapport aux observations antérieures dues à Apollo 11, à savoir la très faible concentration des composés titanifères. Par contre, la contribution minime des ions ferriques et la présence probable de fer métallique, qui se déduisent de l'examen combiné par les deux méthodes en cause, sont en complet accord avec les analyses dues à la mission précédente.Duchesne Jules, Read M., Grandjean F., Gérard A., Depireux Joseph. A study by electronic paramagnetic resonance and Mössbauer spectroscopy of some lunar samples collected by Apollo 12. In: Bulletin de la Classe des sciences, tome 56, 1970. pp. 768-775