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Updated: Jan 14, 2026

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Primary Bladder Neck Obstruction in Women: A Systematic Review.

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  • 1NYU Langone Health, New York, USA. dora.jericevic@nyulangone.org.

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Summary

This review summarizes treatment outcomes for female primary bladder neck obstruction (PBNO). Bladder neck incision shows higher success rates than alpha-adrenergic blockers, with further research needed for optimal management.

Keywords:
Bladder neck incisionFemale bladder outlet obstructionFemale lower urinary tract symptomsFunctional obstructionPrimary bladder neck obstruction in womenVideourodynamics

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Area of Science:

  • Urology
  • Gynecology
  • Female Lower Urinary Tract Dysfunction

Background:

  • Primary bladder neck obstruction (PBNO) in women is a condition affecting bladder voiding.
  • Limited systematic reviews exist for female PBNO treatment outcomes.

Purpose of the Study:

  • To systematically evaluate and synthesize existing literature on treatment outcomes for PBNO in women.
  • To identify gaps in current research and guide future studies.

Main Methods:

  • Systematic literature search and synthesis of studies reporting on PBNO treatments in women.
  • Analysis of treatment efficacy, success rates, and study quality.

Main Results:

  • Nonsurgical options include alpha-adrenergic blockers (AB) with ~50% success.
  • Surgical bladder neck incision (BNI) demonstrates ~75% success.
  • Investigational onabotulinumtoxinA injections (BTX-BN) show lower efficacy.
  • Existing studies exhibit significant heterogeneity and lack high-quality evidence.

Conclusions:

  • Standardization of PBNO definition, diagnostic workup, and success criteria is crucial.
  • Further investigation into risk factors for treatment failure is needed.
  • High-quality evidence is required to optimize patient counseling and management for female PBNO.