AI Article Synopsis
- The study aimed to compare air-charged and water-filled catheters' effectiveness in measuring various bladder pressures during urodynamic tests for women with urinary issues.
- A total of 20 women were analyzed, revealing that air-charged catheters consistently recorded higher pressure readings than water-filled catheters across different measurement points.
- The results indicated that pressure readings from the two types of catheters are not comparable, emphasizing the need for caution when interpreting urodynamic data from different catheter systems.
Article Abstract
Introduction And Hypothesis: The aim of our study was to compare air-charged and water-filled catheters simultaneously in the measurement of the intravesical, abdominal and detrusor pressure during urodynamic investigations.
Methods: Consecutive women with lower urinary tract symptoms, referred for urodynamics were prospectively studied. Readings of intravesical pressure (p(ves)), abdominal pressure (p(abd)) and detrusor pressure (p(det)), recorded by both the air-charged and water-filled catheters, were displayed simultaneously and compared at the end of filling, on standing, on sitting prior to voiding and at the maximum involuntary detrusor contraction. The signals (pressures) recorded by both types of catheter were compared using the Bland-Altman plot and paired samples t test.
Results: Twenty women with a mean age of 49 (range 36-72) were recruited. One patient with normal urodynamics was excluded in view of the poor quality trace. At each of the four comparison points, the air-charged catheters consistently produced higher mean pressures than the water-filled catheters. There were wide variations in the difference between the readings produced by the two types of catheter.
Conclusions: Pressures measured using air-charged catheters are not comparable with water-filled catheters and are therefore not interchangeable. Caution must be used when comparing urodynamic parameters using air-charged and water-filled catheters.
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| http://dx.doi.org/10.1007/s00192-013-2182-z | DOI Listing |
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