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What is the predictive value of urodynamics to reproduce clinical findings of urinary frequency, urge urinary incontinence, and/or stress urinary incontinence?

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Abstract

Introduction and hypothesis

The aim of this study was to determine the predictive value of urodynamics to reproduce clinical findings of urinary frequency (UF), urge urinary incontinence (UUI), and/or stress urinary incontinence (SUI).

Methods

We retrospectively reviewed the data of patients diagnosed with UF, UUI, and/or SUI and subsequently underwent urodynamics. Urodynamic findings were correlated with clinical findings to determine the predictive value of urodynamics.

Results

A total of 537 patients (366 females and 171 males) met study criteria. Two hundred seventy-eight patients had symptoms of UUI; 59% demonstrated detrusor overactivity on urodynamics. Three hundred eight patients had SUI on history and physical examination; 45% had urodynamic stress incontinence. A low maximum cystometric capacity (<200 ml) was not significantly associated with urinary frequency (p = 0.4).

Conclusions

Urodynamics has a low predictive value to reproduce clinical findings of UF, UUI, and/or SUI. Many patients with evidence of UF, UUI, and/or SUI on history and/or physical examination do not demonstrate supporting urodynamic evidence.

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Abbreviations

UF:

Urinary frequency

UUI:

Urge urinary incontinence

SUI:

Stress urinary incontinence

UD:

Urodynamics

MCC:

Maximum cystometric capacity

USI:

Urodynamic stress incontinence

UDI-6:

Urogenital Distress Inventory-6

VLPP:

Valsalva leak point pressures

DOA:

Detrusor overactivity

PPV:

Positive predictive value

NPV:

Negative predictive value

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Correspondence to Prashanth Kanagarajah.

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Caruso, D.J., Kanagarajah, P., Cohen, B.L. et al. What is the predictive value of urodynamics to reproduce clinical findings of urinary frequency, urge urinary incontinence, and/or stress urinary incontinence?. Int Urogynecol J 21, 1205–1209 (2010). https://doi.org/10.1007/s00192-010-1180-7

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  • DOI: https://doi.org/10.1007/s00192-010-1180-7

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