Studies have demonstrated a high prevalence of bronchial hyperresponsiveness in patients with irritable bowel syndrome (IBS).
In this study, investigators from Italy evaluated the prevalence of IBS in 623 asthmatic patients.
|44% of asthmatic patients were positive on the methacholine challenge test.|
The team measured body mass index, sex, and age before patients underwent both a methacholine challenge test and skin prick tests.
The investigators found that 44% of asthmatic patients were positive on the methacholine challenge test, while 56% were negative.
In addition, 8% of patients with a positive test and 13% of patients with a negative test were affected by IBS.
There was no statistically significant difference between positive methacholine challenge test tests and IBS.
Dr Riccionia‘s team concluded, “These results do not demonstrate a relationship between methacholine challenge test and IBS“.
“However, a relationship might still exist in a subpopulation of patients whose symptoms worsen by stress“.