When is bladder pressure assessment indicated?

Updated: Jan 16, 2020
  • Author: Pamela I Ellsworth, MD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Answer

In patients with neurogenic lower urinary tract dysfunction (ie, spina bifida, spinal cord injury), bladder pressure monitoring as part of a urodynamic study is important to ensure that bladder pressures during filling remain within the safe range (< 40 cm H2 O) to decrease the risk of upper urinary tract damage.

In male patients with lower urinary tract symptoms, bladder pressure measurements and flow rates during voiding (pressure/flow study) are used to determine the presence of bladder outlet obstruction.

In patients with refractory lower urinary tract symptoms, bladder pressure monitoring can determine if involuntary bladder contractions (detrusor overactivity) is occurring during bladder filling.

In women with lower urinary tract symptoms after incontinence surgery, bladder pressure monitoring during voiding can help identify postoperative bladder outlet obstruction.


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