Evidence Recommendation No
evidence Poor Poor Fair Fair Poor
Grade C
Comment
Not recommended for routine evaluation, particularly in the absence of alarm features
C C B-III B-III C
Not recommended for routine evaluation, particularly in the absence of alarm features
Not recommended for routine evaluation, particularly in the absence of alarm features
Used as an adjunct to anorectal manometry Used as an adjunct to anorectal manometry
Indicated in patients younger than 50 years who have alarm symptoms Indicated in all subjects older than 50 years for colorectal cancer screening
Good Good Good Good B-II A-I A-I B-II
Useful to classify patients according to pathophysiological subtypes
Useful to classify patients according to pathophysiological subtypes
Useful to identify slow transit vs. normal transit and upper gut dysmotility such as gastroparesis
Useful to establish the diagnoses of Hirschsprung's disease, impaired rectal or increased anal pressures during simulated evacuation. Even asymptomatic subjects may have dyssynergia by manometry. Dyssynergia is not always associated with impaired rectal expulsion.
Good Fair B-II B-III
Useful for documenting impaired evacuation. Predicts the response to pelvic floor retraining by biofeedback therapy.
Reveals motor dysfunction in some patients with normal colonic transit and vice versa
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