Clinical Research on the Relation Between Body Mass Index, Motilin and Slow Transit Constipation

Hong Bin Chen, Yue Huang, Hui Wen Song, Xiao Lin Li, Song He, Jia Tia Xie, Chun Huang, Sheng Jun Zhang, Jia Liu, Ying Zou

Abstract


Background: Constipation is a common clinical symptom but its etiology remains unknown. The aims of the study are to discuss the relation between body mass index (BMI), motilin and the slow transit constipation (STC).

Methods: A total of 178 patients with STC and 123 healthy volunteers as controls were divided into three groups according to the BMI, group A (BMI <20), group B (BMI 20-25), and group C (BMI > 25). Fasting and one hour postprandial plasma motilin were measured and the results were analyzed.

Results: There was significant difference in the constituent ratio between STC patients and healthy controls (p < 0.05). The percentage of group A, B and C in STC patients was 49.4% (88/178), 23.0% (41/178) and 27.6% (49/178), respectively; and group A had a higher percentage. Plasma motilin of fasting and one hour postprandial in STC patients of group A was significantly lower than that of group B and C (p < 0.05), but there was no difference between group B and C (p > 0.05). There was no significant difference in the results of plasma motilin of fasting and one hour postprandial among the three groups of healthy controls (p > 0.05). Plasma motilin of fasting and one hour postprandial in STC patients of group A was significantly lower than those healthy controls of group A (p < 0.05). The same results of plasma motilin of fasting and one hour postprandial could be seen in group B and C, respectively (p < 0.05).

Conclusions: A higher proportion of low BMI sufferers was found in the STC patients. The reason may be related to the lower release of the plasma motilin.




doi:10.4021/gr2010.02.168w


Keywords


Body Mass Index; Motilin; Slow Transit Constipation

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