Urologiia (Moscow, Russia : 1999) · 2021
[Overactive bladder: urodynamic characteristics of detrusor overactivity due to the etiology of low urinary tract dysfun- ction].
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Philippova E S, Bazhenov I V, Ziryanov A V, Zhuravlev V N
Аннотация
UNLABELLED: The aim of the study was to detect features of detrusor overactivity as an urodynamic phenomenon in patients with different etiology of low urinary tract dysfunction.
MATERIALS AND METHODS: The study included 283 patients (61% females and 39% males) aged 18-82 years (49.2+/-13.5) with neurogenic overactive bladder (n=197), idiopathic overactive bladder (n=41), radiation cystitis (n=8) and chronic pelvic pain (n=37). All patients underwent an urodynamic study (UDS) in Sverdlovsk Regional Clinical Hospital in the period from 2017 to 2020.
RESULTS: Detrusor overactivity was detected by UDS in 63.4% patients with idiopathic, 94.2% with neurogenic overactive bladder (OAB) and 2.7% in patients with pelvic pain. Maximal amplitude of detrusor pressure during involuntary bladder contraction was significantly higher in neurogenic dysfunction than in idiopathic (25.76+/-26.21 cm 2 and 10.1+/-3.4 cm 2 respectively, =0.003). According to the ROC-analysis, detrusor pressure amplitude has a high predictor value in the diagnosis of a neurogenic origin of overactive bladder (AUC=0.863, p=0.045). The sensitivity of pressure more than 9.5 cm 20 was 88%. Bladder volume at the time of first involuntary contraction was 137+/-120 ml and 218+/-120 ml (=0.07) for neurogenic and idiopathic OAB respectively. Neurogenic detrusor overactivity followed by urgency incontinence more often than idiopathic (59.5% vs 19.2%).
CONCLUSION: Neurogenic detrusor overactivity is characterized by larger amplitude and higher rate of urgency incontinence.
MATERIALS AND METHODS: The study included 283 patients (61% females and 39% males) aged 18-82 years (49.2+/-13.5) with neurogenic overactive bladder (n=197), idiopathic overactive bladder (n=41), radiation cystitis (n=8) and chronic pelvic pain (n=37). All patients underwent an urodynamic study (UDS) in Sverdlovsk Regional Clinical Hospital in the period from 2017 to 2020.
RESULTS: Detrusor overactivity was detected by UDS in 63.4% patients with idiopathic, 94.2% with neurogenic overactive bladder (OAB) and 2.7% in patients with pelvic pain. Maximal amplitude of detrusor pressure during involuntary bladder contraction was significantly higher in neurogenic dysfunction than in idiopathic (25.76+/-26.21 cm 2 and 10.1+/-3.4 cm 2 respectively, =0.003). According to the ROC-analysis, detrusor pressure amplitude has a high predictor value in the diagnosis of a neurogenic origin of overactive bladder (AUC=0.863, p=0.045). The sensitivity of pressure more than 9.5 cm 20 was 88%. Bladder volume at the time of first involuntary contraction was 137+/-120 ml and 218+/-120 ml (=0.07) for neurogenic and idiopathic OAB respectively. Neurogenic detrusor overactivity followed by urgency incontinence more often than idiopathic (59.5% vs 19.2%).
CONCLUSION: Neurogenic detrusor overactivity is characterized by larger amplitude and higher rate of urgency incontinence.