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Anorectal Manometry Nexam Pro User Manual 123
Figure 9.12 Compliance settings
Rectal compliance
Rectal compliance can be calculated after the sensation test. A catheter with a
balloon mounted on the tip and a filling lumen (opening at the tip), can be used
to determine the compliance.
If you want to perform a rectal compliance test, you need to select a catheter
in the protocol with balloon pressure (Pbal).
Balloon compliance can be determined each time at the start of the test or
determined once and saved if you always use the same type of balloon.
Use standard balloon calibration
Because the balloon has a compliance of its own, the calculated compliance
should be compensated in order to obtain the actual compliance of the rectum.
If the physician always uses the same balloon type, its compliance needs to be
determined only once. When this has been done, and the compliance is saved
as the standard balloon compliance, subsequent investigations can use this
balloon compliance. This can be achieved by this setting.