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The fecal microflora in pruritus ani
S H Silverman1, D J Youngs, A Allan
1Department of Surgery, General Hospital, Birmingham, United Kingdom.
Diseases of the Colon and Rectum
|June 1, 1989
Summary
This study investigated if abnormal fecal flora causes pruritus ani (anal itching). Researchers found no significant differences in fecal microflora between patients with pruritus ani and healthy controls, suggesting no microbiologic basis for the condition.
Area of Science:
- Gastroenterology
- Microbiology
- Dermatology
Background:
- Pruritus ani is a common condition characterized by anal itching and perianal soiling, potentially due to irritant fecal material.
- The role of abnormal fecal flora in the pathogenesis of pruritus ani remains unclear.
Purpose of the Study:
- To investigate whether an abnormal fecal microflora contributes to the irritant effects of fecal material in patients with pruritus ani.
- To determine if qualitative and quantitative differences in fecal microflora exist between individuals with pruritus ani and healthy controls.
Main Methods:
- Fecal samples were collected from 20 patients diagnosed with pruritus ani and 20 matched healthy controls.
- Qualitative and quantitative analyses of fecal microflora were performed for all participants.
Main Results:
- No significant differences were observed in the qualitative or quantitative measurements of fecal microflora between the pruritus ani group and the control group.
- The composition of fecal microflora did not appear to be a distinguishing factor between the two study groups.
Conclusions:
- The study failed to provide evidence supporting a microbiologic basis for pruritus ani.
- Abnormal fecal flora is unlikely to be the primary cause of pruritus ani based on these findings.