Relationship between psychological state and level of activity of extrinsic gut innervation in patients with a functional gut disorder

被引:49
作者
Emmanuel, AV [1 ]
Mason, HJ [1 ]
Kamm, MA [1 ]
机构
[1] St Marks Hosp, Harrow HA1 3UJ, Middx, England
关键词
gut function; gut innervation; constipation; psychological state;
D O I
10.1136/gut.49.2.209
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Background - Anxiety and depression are known to be associated with alterations in central autonomic activity, and this may manifest as a functional gut disturbance. However, the final expression of motility disturbance is non-specific and nonquantifiable. This study examines the relationship between psychological state and psychosocial functioning with a new direct measure of the level of activity of extrinsic autonomic gut innervation, rectal mucosal Doppler blood flow. Materials and methods - Thirty four female patients (mean age 36 years, range 19-45) with constipation for greater than five years and 19 healthy women (mean age 38 years, range 21-60) were studied. They completed the general health questionnaire - 28 point scale (GHQ-28; psychosocial functioning) and the Hem sex role inventory (BSRI; an index of women's psychological feelings about their own femininity). On the same day they underwent measurement of rectal mucosal Doppler blood flow, a new validated measure of the activity of gut extrinsic nerve innervation. Measurements were made during the follicular phase and in the fasted state. Results - Women with constipation scored higher on the total GHQ-28 score and the somatisation (p=0.05) and anxiety (p=0.05) subscales of the GHQ-28. There was a negative correlation between mucosal blood flow and GHQ somatisation subscale (r=-0.45, p <0.005), anxiety (r=-0.38, p <0.05), and depression (r=-0.40, p <0.01) scores in women with constipation. Although constipated women scored no higher than controls on the BSRI, there was a significant negative correlation between blood flow and BSRI score (r=-0.49, p <0.005) for constipated women. Conclusions - General psychosocial function, somatisation, anxiety, depression, and feelings about female role are impaired in women with constipation and associated with altered rectal mucosal blood flow, a measure of extrinsic gut innervation. These findings suggest that psychological factors are Likely to influence gut function via autonomic efferent neural pathways.
引用
收藏
页码:209 / 213
页数:5
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