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Nexam Pro User Manual
Chapter 9
Ask the patient to squeeze and to maintain the squeeze. Press the
Start profile [Squeeze]
button. A window is displayed with the
distance you have to withdraw the catheter. Withdraw the catheter with
the speed and distance as displayed (setting in the protocol). After a
short while, there should be an increase in the anal pressure. The
software automatically marks the start and the end of the anal profile.
Reposition the catheter and repeat the procedure if necessary.
Variations
Instead of a rest profile it also possible to perform stress profiles similar to the
procedure described above. To perform a stress profile, let the patient cough
during the profile manometry. During the analysis, the software can calculate
transmission parameters for the peaks.
9.4.11 Balloon Expulsion Test
The purpose of the balloon expulsion test is to determine if the patient can
expel a balloon filled with a certain volume. The filled balloon simulates the
feces. Therefore, the best way to perform this test is to use water at body
temperature and a syringe or the pump module to fill the balloon with water.
In case of a multiuse catheter (without replacement of the balloon), it is
advised to fill the balloon with air (with a syringe) instead of water. This is to
prevent the balloon from sticking together.
Filling with water or air (syringe)
Press the
Next test
button until the text
Balloon expulsion
is
displayed on the left button. Fill the syringe with water (or air) according
to the volume displayed on the Syringe button in the upper-left corner
of the screen (e.g., 10 ml). Connect the syringe to the three-way
stopcock which is attached to the filling lumen of the catheter. Fill the
balloon.
Press the
Balloon expulsion
button to mark the start of the test. A
balloon marker is automatically inserted. Ask the patient to expel the
balloon.
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