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Overactive bladder induces transient hypertension.

Kazumasa Torimoto1, Yoshihiro Matsumoto2, Daisuke Gotoh3

  • 1Department of Urology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan. torimoto@naramed-u.ac.jp.

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Summary
This summary is machine-generated.

Urgency and detrusor overactivity (DO) in overactive bladder (OAB) patients cause temporary blood pressure spikes. This suggests OAB may induce a form of hypertension linked to sympathetic hyperactivity before urination.

Keywords:
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Area of Science:

  • Urology
  • Cardiology
  • Hypertension Research

Background:

  • Lower urinary tract symptoms are linked to autonomic imbalance.
  • Sympathetic hyperactivity may contribute to hypertension.
  • The relationship between detrusor overactivity (DO) and transient blood pressure increase requires further investigation.

Purpose of the Study:

  • To investigate the association between DO or urgency and transient blood pressure increases.
  • To explore if overactive bladder (OAB) induces a type of hypertension related to sympathetic hyperactivity.

Main Methods:

  • Study 1: Measured blood pressure and Overactive Bladder Symptom Score (OABSS) during cystometry in male patients with and without DO.
  • Study 2: Utilized 24-hour ambulatory blood pressure monitoring in male patients with and without OAB, measuring OABSS.

Main Results:

  • In Study 1, systolic pressure was significantly higher during urgency/detrusor voiding contractions in the DO group compared to other points.
  • In Study 2, systolic pressure was significantly elevated before micturition in the OAB group compared to non-micturition points.

Conclusions:

  • DO and urgency lead to a transient increase in blood pressure.
  • Overactive bladder may induce a form of hypertension, particularly before micturition, possibly due to sympathetic hyperactivity.