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The purpose of this evaluation is to validate the previous clinical study results using a Near-Infrared Spectroscopy (NIRS) device, as compared to the conventional urodynamics (UDS) testing. The experiment will use the commercially available Tetra-NIRS and Laborie UDS equipment.
The hypothesis is that the Tetra-NIRS device, in the clinical environment, provides data to enhance the analysis using the standard urodynamics equipment (stand-alone Urodynamic procedure).
Full description
This is a study of the commercially available Tetra-NIRS device to compare the results collected against conventional urodynamics. The study will evaluate male patients with lower urinary tract symptoms (LUTS) as well as female subjects with over-active bladder (OAB).
The Tetra-NIRS unit uses near infrared light at 3 different wavelengths to measure changes in haemoglobin and cytochrome from the detrusor muscle from the human bladder wall. This process is similar to what is used for cerebral and muscle oxygenation monitoring (e.g., pulse oximetry). Previous clinical feasibility studies have identified the correlation between the changes in haemoglobin and cytochrome of the bladder, and bladder pressure values obtained during urodynamics procedures and uroflow procedures.
For this study the Tetra-NIRS results will not be used by the urologist/nurse to guide in patient management and treatment decisions, but rather will only be used to collect measurements from the patient for the purposes of this study. The Tetra-NIRS sensor patch will be adhered externally to the skin surface where the bladder is located.
For this study, a minimum of 30 male subjects with LUTS and 30 female subjects with OAB scheduled to undergo a urodynamics procedure are to be enrolled. Up to 20 female subjects with OAB will be enrolled. The investigators will attempt to equally enrol male subjects into each of the two categories including obstructed and non-obstructed groups according to prostate hyperplasia (equivocal subjects will be determined by the investigator).
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The selection of subjects enrolled for testing must meet the following criteria:
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155 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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