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Frequency of functional bowel disorders among healthy volunteers in Mexico City
Max Schmulson1, Orianna Ortíz, Mariana Santiago-Lomeli
1Liver, Pancreas and Motility Laboratory (HIPAM), Department of Experimental Medicine, Faculty of Medicine, Universidad Nacional Autonoma de Mexico-UNAM, Mexico City, Mexico. maxjulio@avantel.net
Background:
The frequency of functional bowel disorders (FBD) in Mexico using the Rome II criteria is unknown.
Methods:
The Rome II Modular Questionnaire (RII-MQ) was translated into Spanish in coordination with the Rome Committee and their Latin American program. Volunteers were recruited by advertisement in Mexico City, and administered the RII-MQ.
Results:
The study population consisted of 324 healthy volunteers, with a mean age of 35.7; 66% were female. The most prevalent disorders were heartburn 35%, irritable bowel syndrome (IBS) 35%, functional bloating 21%, proctalgia fugax 21%, and functional constipation 19%. Based on gender, IBS-C was 4 times more frequent in females than males (19 vs. 4.6%) and functional bloating 3 times more frequent (10 vs. 3.7%). Differences according to occupation included a higher prevalence of ulcer-like dyspepsia (p = 0.04), IBS-C (p = 0.018) and proctalgia fugax (p = 0.034) among students.
Conclusions:
This is the first study to use RII-MQ to determine the prevalence of FBD in urban Mexico. The prevalence of IBS was significant and is related to a number of factors, including the stress of living in an overpopulated city. Selection bias is likely operative. A community-based study is warranted.
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