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Clinical Hub,Patient Education,Health and Nutrition Facts For You,Digestive Health Center (DHC)

Anal Manometry (7484)

Anal Manometry (7484) - Clinical Hub, Patient Education, Health and Nutrition Facts For You, Digestive Health Center (DHC)

7484






Anal Manometry


Anal manometry is a test that measures
the strength and tone of your anal
sphincter. A strong anal sphincter
allows you to control your bowel
movements. In addition, it can measure
sensation within the rectum.

Getting Ready:


2-3 hours before your appointment you
should give yourself one (1) to two (2)
phosphate enema(s) to clean any solid stool
from your rectum. You can purchase
phosphate enemas (such as Fleets) from
your local drugstore. Follow manufacturer
administration instructions.

How to give the enema

Lay a towel on the bed to protect it. Lie on
your left side, knees bent. Gently insert the
lubricated enema tip into your anal canal. It
may go in easier if you bear down, like you
are having a bowel movement. This helps
relax the muscles. Squeeze the enema bottle
to get the liquid into your rectum. Gently
remove enema tip from your body. Hold the
liquid in for 3-5 minutes. Then use the
bathroom. It is normal to have mild
cramping or burning. It will go away with
rest.

Day of procedure:

Your appointment will last approximately
one hour.

During this test, a thin, flexible catheter with
a balloon on the end is inserted into the anal
canal and rectum. The catheter is connected
to a machine that measures pressure. You
will be asked to squeeze and push your
sphincter muscles during the test. It should
feel very close to the feeling you have when
passing a bowel movement.

Based on your doctor’s request,
additional testing may be performed
after the manometry exam is complete.
This may include Balloon Expulsion
testing or Transanal Ultrasound.

Balloon Expulsion Testing:


This test assesses rectal emptying. A small
balloon is inserted into the rectum and filled
with water. You will need to expel the small
balloon from the rectum while seated. The
amount of time it takes to expel the balloon
is recorded.

Transanal Ultrasound:

This test uses high frequency sound waves
to create images of tissue layers beneath the

surface of the anal canal. A smooth probe is
placed in the anus and evaluates the
sphincter muscles. This test is used to look
for tears or other problems within the
sphincter muscles.


Follow up:

You will follow up with your doctor as
planned after testing. Please allow 1
week for finalized reports to be
available for your physician to review.

UW Health Digestive Health Center
750 University Row
Madison, WI

(608) 890-5010 or (855) 342-9900











































Your health care team may have given you this information as part of your care. If so, please use it and call if you have any
questions. If this information was not given to you as part of your care, please check with your doctor. This is not medical
advice. This is not to be used for diagnosis or treatment of any medical condition. Because each person’s health needs are
different, you should talk with your doctor or others on your health care team when using this information. If you have an
emergency, please call 911. Copyright © 11/2016 University of Wisconsin Hospitals and Clinics Authority. All rights reserved.
Produced by the Department of Nursing. HF#7484