Background-Life stress contributes to symptom onset and exacerbation in the majority of patients with irritable bowel syndrome (IBS) and functional dyspepsia (FD); research evidence is conflicting, however, as to the strength of these effects. Aims-To test prospectively the relation of chronic life stress threat to subsequent symptom intensity over time. Patients-One hundred and seventeen consecutive outpatients satisfying the modified Rome criteria for IBS (66% with one or more concurrent FD syndromes) participated. Methods-The life stress and symptom intensity measures were determined from interview data collected independently at entry, and at six and 16 months; these measures assessed the potency of chronic life stress threat during the prior six months or more, and the severity and frequency of IBS and FD symptoms during the following two weeks. Results-Chronic life stress threat was a powerful predictor of subsequent symptom intensity, explaining 97% of the variance on this measure over 16 months. No patient exposed to even one chronic highly threatening stressor improved clinically (by 50%) over the 16 months; all patients who improved did so in the absence of such a stressor. Conclusion-The level of chronic life stress threat predicts the clinical outcome in most patients with IBS/FD. (Gut 1998;43:256-261) Keywords: irritable bowel syndrome; chronic life stress threat; symptom intensityIn irritable bowel (IBS) and functional dyspepsia (FD) syndromes, major life stress situations precede onset and/or exacerbation of symptoms, 1-3 and early observations suggest that symptoms either disappear or improve following resolution of major life stress problems. 4 Furthermore, an impressive and sustained improvement in symptoms occurs following the acquisition of more eVective stress management skills.5-7 In a recent study of patients with functional gastrointestinal disorders (FGID), 8 we showed a significant correspondence between the intensity of chronic life stress threat and the severity and extent of aVective, gastrointestinal, and extraintestinal symptomatology, particularly in patients with IBS-FD syndromes. Despite these observations, the extent to which life stress contributes to the course of IBS and/or FD symptoms remains uncertain. 10To extend our previous cross sectional findings, our aim was to examine, in patients with IBS, group and individual patterns of change in life stress and symptom intensity over time. Specifically we aimed to determine within subject: (1) covariance of life stress and subsequent symptom intensity over three time frames; (2) time lag relations (with and without relevant covariates); (3) the role of personality, age, sex, and emotional distress in the above; (4) the life stress predictors of any improvement or lack of improvement in symptom intensity over time; and (5) the life stress predictors of clinical (50% or more) improvement or no clinical improvement in symptom intensity over time. We hypothesised that: (1) life stress and subsequent symptom intensity will...
Background-Life stress contributes to symptom onset and exacerbation in the majority of patients with irritable bowel syndrome (IBS) and functional dyspepsia (FD); research evidence is conflicting, however, as to the strength of these effects. Aims-To test prospectively the relation of chronic life stress threat to subsequent symptom intensity over time. Patients-One hundred and seventeen consecutive outpatients satisfying the modified Rome criteria for IBS (66% with one or more concurrent FD syndromes) participated. Methods-The life stress and symptom intensity measures were determined from interview data collected independently at entry, and at six and 16 months; these measures assessed the potency of chronic life stress threat during the prior six months or more, and the severity and frequency of IBS and FD symptoms during the following two weeks. Results-Chronic life stress threat was a powerful predictor of subsequent symptom intensity, explaining 97% of the variance on this measure over 16 months. No patient exposed to even one chronic highly threatening stressor improved clinically (by 50%) over the 16 months; all patients who improved did so in the absence of such a stressor. Conclusion-The level of chronic life stress threat predicts the clinical outcome in most patients with IBS/FD. (Gut 1998;43:256-261) Keywords: irritable bowel syndrome; chronic life stress threat; symptom intensityIn irritable bowel (IBS) and functional dyspepsia (FD) syndromes, major life stress situations precede onset and/or exacerbation of symptoms, 1-3 and early observations suggest that symptoms either disappear or improve following resolution of major life stress problems. 4 Furthermore, an impressive and sustained improvement in symptoms occurs following the acquisition of more eVective stress management skills.5-7 In a recent study of patients with functional gastrointestinal disorders (FGID), 8 we showed a significant correspondence between the intensity of chronic life stress threat and the severity and extent of aVective, gastrointestinal, and extraintestinal symptomatology, particularly in patients with IBS-FD syndromes. Despite these observations, the extent to which life stress contributes to the course of IBS and/or FD symptoms remains uncertain. 10To extend our previous cross sectional findings, our aim was to examine, in patients with IBS, group and individual patterns of change in life stress and symptom intensity over time. Specifically we aimed to determine within subject: (1) covariance of life stress and subsequent symptom intensity over three time frames; (2) time lag relations (with and without relevant covariates); (3) the role of personality, age, sex, and emotional distress in the above; (4) the life stress predictors of any improvement or lack of improvement in symptom intensity over time; and (5) the life stress predictors of clinical (50% or more) improvement or no clinical improvement in symptom intensity over time. We hypothesised that: (1) life stress and subsequent symptom intensity will...
Background-Psychological, social, and extraintestinal (somatic) disturbances are prominent features of functional gastrointestinal disorders (FGID); little attention, however, has been given to diVerences in the nature of these disturbances in the various FGID subgroups. Aims-(1) To determine whether psychological, social, and extraintestinal factors are associated with specific FGID, and/or with the overall severity and extent of FGID disturbance (the number of coexistent FGID subgroups present in any individual); and (2) to determine whether chronic social stressors link gastrointestinal, extraintestinal, and emotional symptomatologies in FGID. Patients-One hundred and eighty eight outpatients, fulfilling standard criteria for one or more functional gastroduodenal or functional bowel disorders. Methods-Utilising detailed and objective interview and questionnaire methods, detailed gastrointestinal, extraintestinal, psychological, and social data were collected. Results-Chronic stressors and extraintestinal and emotional symptomatologies were prominent features of functional dyspepsia (FD) and irritable bowel syndrome (IBS) alone. These particular features were, however, highly specific for particular FD and/or IBS subgroups. The chronic threat component of social stressors predicted the nature and extent of multisystem (gastrointestinal, extraintestinal, and emotional) symptomatology. Conclusions-Notable diVerences between the various FGID subgroups support the symptom based classification of FGID. Chronic stressor provoked psychological and extraintestinal disturbance is most specific for the FD-IBS group of syndromes. (Gut 1998;42:414-420) Keywords: functional gastrointestinal disorders; psychosocial; extraintestinal symptoms; chronic stressThe functional gastrointestinal disorders (FGID) are common disorders in gastroenterology practice and in the community. Although several FGID syndromes may coexist in an individual patient, each syndrome can be reliably identified as a distinct and homogeneous entity.1 Psychological, social, 2-4 and extraintestinal (somatic) disturbances [5][6][7][8][9] are prominent features of FGID in general; whether such factors are distinctive of specific FGID syndromes or subgroups (distinct clusters of symptoms), or whether they reflect the overall severity and/or extent of functional gut disturbance (number of coexistent FGID syndromes), has received little attention. Furthermore, although social stressors that are severe, chronic, and threatening have been implicated in the development of FGID, 3 4 no study has previously assessed the relation of specific objective measures of social stressors to coexistent gastrointestinal, extraintestinal, and emotional symptomatologies in the FGIDs.Our specific aims were therefore, in a large group of patients with various functional gastroduodenal and functional bowel disorders, to determine: (1) the relative importance of specific psychological, social, and extraintestinal (somatic) factors to specific FGID, and/or to severe and e...
Although carbohydrate malabsorption can provoke symptoms in some IBS patients, there is no consistent association between such a phenomenon and the presence of either jejunal hypersensitivity or dysmotility.
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