Constipation Clinical Trial
Official title:
3D High Resolution Manometry and Balloon Expulsion Test in Diagnosis of Dyssynergic Defecation in Children
Anorectal 3D manometry (3D HRAM) is the most advanced version of manometric equipment that
measures pressures along the anal canal in a very detailed manner. It provides complete data
about pressure profile of anorectum and may indicate impaired defecation dynamics. Balloon
expulsion test (BET) is a cheap, easy way to diagnose constipation as the result of outlet
obstruction.
Our aim is to compare this two methods of diagnosis of dyssynergic defecation and to find the
correlation between this diagnostic equipment.
Patients with the diagnosis of constipation will be enrolled in the study. Each patient will
be investigated by anorectal manometry and after the procedure BET will be performed at the
same day.
During anorectal manometry conventional manometric parameters will be recorded, such as
resting pressure, squeeze pressure, bear down manoeuver, thresholds of sensation and
threshold of recto anal inhibitory reflex. 3D picture of anal canal will be recorded.
After the manometry standard BET will be performed. The balloon will be inserted into the
rectum and patient will be asked to expel it in private during 1 min.
Data from manometry will be correlated with the success rate of BET.
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