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Effects of occupational stress on the gastrointestinal tract

World Journal of Gastrointestinal Pathophysiology 2013年第4期4卷 108-118页

作者： María-Raquel Huerta-Franco Miguel Vargas-Luna Paola Tienda Isabel Delgadillo-Holtfort Marco Balleza-Ordaz corina flores-hernandez Department of Applied Science and Labor Research DCS Campus LeonUniversity of Guanajuato Department of Physical Engineering DCICampus LeonUniversity of Guanajuato Loma del Bosque

The aim of this review is to provide a general overview of the relationship between occupational stress and gastrointestinal alterations. The International Labour Organization suggests occupational health includes psychological aspects to achieve mental well-being. However, the definition of health risks for an occupation includes biological, chemical, physical and ergonomic factors but does not address psychological stress or other affective disorders. Nevertheless, multiple investigations have studied occupational stress and its physiological consequences, focusing on specific risk groups and occupations considered stressful. Among the physiological effects of stress, gastrointestinal tract(GIT) alterations are highly prevalent. The relationship between occupational stress and GIT diseases is evident in everyday clinical practice; however, the usual strategy is to attack the effects but not the root of the problem. That is, in clinics, occupational stress is recognized as a source of GIT problems, but employers do not ascribe it enough importance as a risk factor, in general, and for gastrointestinal health, in particular. The identification, stratification, measurement and evaluation of stress and its associated corrective strategies, particularly for occupational stress, are important topics to address in the near future to establish the basis for considering stress as an important risk factor in occupational health.

关键词： Stress Occupation Gastric alterations Gastrointestinal tract diseases Health risks

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Electrical bioimpedance and other techniques for gastric emptying and motility evaluation

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World Journal of Gastrointestinal Pathophysiology 2012年第1期3卷 10-18页

作者： María Raquel Huerta-Franco Miguel Vargas-Luna Juana Berenice Montes-Frausto corina flores-Hernández Ismael Morales-Mata Health Science Division Department of Applied Sciences to Work University of Guanajuato Av Eugenio Garza Sada 572 Lomas del Campestre 37150 León Guanajuato México Science and Engineering Division Department of Physical Engineering University of Guanajuato Loma del Bosque 103 Lomas del Campestre 37150 León Guanajuato México

The aim of this article is to identify non-invasive, inexpensive, highly sensitive and accurate techniques for evaluating and diagnosing gastric diseases. In the case of the stomach, there are highly sensitive and specific methods for assessing gastric motility and emptying (GME). However, these methods are invasive, expensive and/or not technically feasible for all clinicians and patients. We present a summary of the most relevant international information on non-invasive methods and techniques for clinically evaluating GME. We particularly emphasize the potential of gastric electrical bioimpedance (EBI). EBI was initially used mainly in gastric emptying studies and was essentially abandoned in favor of techniques such as electrogastrography and the gold standard, scintigraphy. The current research evaluating the utility of gastric EBI either combines this technique with other frequently used techniques or uses new methods for gastric EBI signal analysis. In this context, we discuss our results and those of other researchers who have worked with gastric EBI. In this review article, we present the following topics: (1) a description of the oldest methods and procedures for evaluating GME; (2) an explanation of the methods currently used to evaluate gastric activity; and (3) a perspective on the newest trends and techniques in clinical and research GME methods. We conclude that gastric EBI is a highly effective non-invasive, easy to use and inexpensive technique for assessing GME.

关键词： Gastrointestinal motility Gastric emptying Bioimpedance technique Diagnostic techniques Digestive system

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