Cystometry
Nexam Pro User Manual
81
MUP
MUP is the maximum urethral pressure in the urethra during an investigation.
Pabd. max
Pabd. max is the maximum pressure measured in the abdomen during the
investigation.
Bladder filling, vesical pressure, and detrusor pressure at sensation
markers
For all sensation markers present in a cystometry, the bladder filling, the
vesical pressure, and the detrusor pressure will be determined and displayed
on the result screen.
Figure 5.2
Cystometry sensation results
Pdet compliance
Pdet compliance is the change in bladder volume for a change in detrusor
pressure. It is defined as C= dV/dP, where dV is the volume increment and dP
is the change in pressure associated with this volume increment.
The compliance can be determined over a certain filling part of the
investigation, by placing two compliance markers. The first marker [A] should
be placed just after the start of the filling, the second marker [B] just before the
end of the filling. The software will calculate the compliance between the two
markers.
Compliance is calculated using following formula:
Volume (B) - Volume (A)
Compliance = ------------------------------------
Pdet (B) - Pdet (A)
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