Small bowel permeability in patients with nasal polyposis

Area of Science:

• Gastroenterology
• Allergy and Immunology
• Otolaryngology

Background:

• Atopic eczema is linked to small bowel absorption issues.
• Recurrent nasal polyps often present with allergic inflammation.
• Assessing small bowel function is crucial in patients with atopic conditions.

Purpose of the Study:

• To evaluate small bowel function in patients with recurrent nasal polyps.
• To determine if atopy influences small bowel absorption in this cohort.
• To correlate polyp histology with small bowel function.

Main Methods:

• Eighteen patients with recurrent nasal polyps underwent the cellobiose/mannitol ratio test.
• Atopy was assessed in all participants.
• Nasal polyp histology was examined for allergic characteristics.

Main Results:

• 11 out of 18 patients showed evidence of atopy.
• All patients had a normal cellobiose/mannitol ratio, indicating no small bowel absorption defect.
• Histological examination described the polyps as allergic.

Conclusions:

• No evidence of small bowel absorption defects was found in patients with recurrent nasal polyps, even with coexisting atopy.
• The cellobiose/mannitol ratio test is a reliable indicator of small bowel function in this patient group.
• Allergic nasal polyps do not appear to be associated with impaired small bowel absorption.