The role of stress in symptom exacerbation among IBS patients

Over 200 treatment-seeking irritable bowel syndrome (IBS) patients completed 4 weeks of daily prospective measures of stress and gastrointestinal symptoms as well as retrospective measures of stress (life events over 12 months, hassles over 1 month). We also obtained the stress measures on 66 nonill...

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Vydané v:	Journal of psychosomatic research Ročník 64; číslo 2; s. 119 - 128
Hlavní autori:	Blanchard, Edward B., Lackner, Jeffrey M., Jaccard, James, Rowell, Dianna, Carosella, Ann Marie, Powell, Catherine, Sanders, Kathryn, Krasner, Susan, Kuhn, Eric
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Amsterdam Elsevier Inc 01.02.2008 New York, NY Elsevier
Predmet:	Biological and medical sciences Female Fundamental and applied biological sciences. Psychology Gastroenterology. Liver. Pancreas. Abdomen Humans Illness and personality Illness, stress and coping Irritable bowel syndrome Irritable Bowel Syndrome - diagnosis Irritable Bowel Syndrome - epidemiology Irritable Bowel Syndrome - physiopathology Life Change Events Life events Male Medical sciences Middle Aged Other diseases. Semiology Prospective Studies Psychiatric/Mental Health Psychology and medicine Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Retrospective Studies Severity of Illness Index Stomach. Duodenum. Small intestine. Colon. Rectum. Anus Stress Stress and irritable bowel syndrome Stress, Psychological - epidemiology Stress, Psychological - psychology Surveys and Questionnaires Symptoms Stress Stress and irritable bowel syndrome Irritable bowel syndrome Human Symptomatology Life events Follow up study Digestive diseases Intestinal disease Severity score Comparative study
ISSN:	0022-3999, 1879-1360
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Shrnutí:	Over 200 treatment-seeking irritable bowel syndrome (IBS) patients completed 4 weeks of daily prospective measures of stress and gastrointestinal symptoms as well as retrospective measures of stress (life events over 12 months, hassles over 1 month). We also obtained the stress measures on 66 nonill controls. Irritable bowel syndrome patients report more frequent hassles than controls and a greater stress impact than controls. Using structural equation modeling, we found that the data were consistent with a model of robust autocorrelation effects of both week-to-week gastrointestinal (GI) symptom indices ( r=.84) and stress indices ( r=.73), as well as strong concurrent effects of stress on IBS symptoms ( r=.90) and vice versa ( r=.41). The data also were consistent with a model where there were effects of stress in Week t upon GI symptoms in Week t+1 and t+2, but they were mediated through the concurrent week effects and/or autocorrelation effects. There were no statistically significant independent pathways from stress in Week t to GI symptoms in Week t+1 or t+2. Thus, there is more support for a reciprocal relation between stress and symptoms than there is for a causal relation.
Bibliografia:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0022-3999 1879-1360
DOI:	10.1016/j.jpsychores.2007.10.010