Presentation
Infrequent bowel habit with no response to mutliple different laxative agents - ? slow transit constipation
Patient Data
Age: 25 years
Gender: Female
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A capsule containing 20 radio-opaque markers is swallowed and an abdominal xray is taken 2 hours later. The markers are seen distributed within the right iliac fossa, likely to be within the distal small bowel and cecum.
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None of the markers are seen, indicating that there is no slow transit constipation.
Case Discussion
Functional impairment of defecation can be divided into three subtypes:
- slow colonic transit
- obstructed defecation (pelvic floor disorders)
- a combination of the above
Colonic transit studies (also known as Sitz marker studies) aid in defining which group a patient with disordered bowel habit may fall into.
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