Anorectal Manometry

Anorectal Manometry at North Shore Gastroenterology

Anorectal manometry is a test that evaluates bowel function in patients with constipation or stool leakage (fecal incontinence). Done on an outpatient basis, it measures:

• The strength of the anal sphincter muscles
• The sensation of stooling in the rectum
• Neural reflexes that govern bowel movements

During the test, which takes approximately 30 minutes, the doctor inserts a small, flexible tube with a balloon at the end into the rectum. This catheter is connected to a machine that measures pressure. The balloon is inflated in the rectum to assess its normal reflex pathways while the patient is asked to squeeze, relax, and push at various intervals.

Two other tests may also be done: an anal sphincter electromyography (EMG) and balloon expulsion test. The EMG evaluates the nerve supply to the anal muscle. The other test measures the time it takes to expel the balloon from the rectum. Following the exam, you may drive yourself home and resume your normal activities.

If you or a loved one is experiencing chronic constipation, you may want to consult with a specialist at North Shore Gastroenterology in Westlake and Brooklyn, Ohio. To schedule an appointment, call (440) 808-1212 or request one online.