How to Perform a Study
Laborie NXT Pro Owner’s Manual LBL-00146 [C], MAN2010 41
3.4 Cystometry Study
A Cystometry study involves filling the bladder and determining the Detrusor pressure Pdet
= Pves – Pabd (the difference between the pressure inside the bladder [Pves] and the
pressure inside the abdomen [Pabd]). The Cystometry study provides one phase to
complete filling and voiding. This affords you flexibility in procedure structure.
Starting the Cystometry Study
Start the Cystometry study as described in the section Starting a Study on page 33.
The study requires the use of the Urocap NXT, Roam NXT, Infusion Pump NXT, and
Bluetooth Dongle NXT. Ensure that all modules are connected in the Synergy application
and that the Urocap NXT and Roam NXT are fully charged. Synergy will recognize the PIM
NXT and the Roam NXT as one device under the title Roam NXT. Prepare the Urocap NXT
as detailed in the section Preparing the Urocap NXT on page 23
.
Performing the Cystometry Study
3.4.2.1 Preview phase
Complete patient and consumables setup during this phase. Refer to the section Setting Up
Consumables and Preparing the Patient on page 25. When the patient and pump setup are
complete, proceed to the Cystometry phase.
3.4.2.2 Cystometry phase
Click the Start Cystometry Study button.
Click the Pump On button to start the infusion pump and begin filling the bladder.
Click the Smart Pump Up or Smart Pump Down buttons to increase or
decrease the pump speed, respectively.
NOTE: To change the infusion bag, click the Change Infusion Fluid button. A pop-up
window opens, and the study pauses. If desired, you can update the Fluid Density setting
using the drop-down menu available in the pop-up window. Click OK to resume the study.
Fluid density options must be configured in the Workflow Configuration dialog box before
starting the study. Refer to the section Customizing Workflows on page 59
.
Encourage the patient to give feedback on sensation or urge. Mark relevant events
(First Sensation, First Desire, Strong Desire, etc.) by clicking the First
Sensation drop-down menu and then selecting the relevant event.
When the patient begins to feel discomfort or fullness, stop the infusion pump by
clicking the Pump Off button.
Caution: You can stop infusion at ANY TIME by pressing the gray pump stop button on
the NXT docking station, by opening the pump door, or by disconnecting the filling tube
from the catheter or the water bag.
Click the Permission To Void button and ask the patient to void through the
commode chair into the Urocap NXT setup. See
Preparing the Urocap NXT for a
reference image of the Urocap NXT setup. If the patient fails to void, reclick the
Permission To Void button to create a new marker; this action will change the
previous marker to Attempt to Void. If the Permission To Void button is
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