International Continence Society 2002 terminology report: have urogynecological conditions (diagnoses) been overlooked?
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Biomedical subjects
Bernard T Haylen
Publications and source records attributed to Bernard T Haylen.
Is sensory urgency part of the same spectrum of bladder dysfunction as detrusor overactivity?
It has been suggested that the urogynecological diagnosis of sensory urgency is an early form of detrusor overactivity and may be just earlier in the spectrum of disease. The former term is generally defined as increased perceived bladder sensation during filling, a low first desire to void and low bladder capacity in the absence of recorded urinary tract infection (UTI) or detrusor overactivity. The aims of this study are to determine the prevalence and associations of sensory urgency in comparison with detrusor overactivity, and whether sensory urgency is shown to be in the same spectrum of bladder dysfunction as detrusor overactivity. Five hundred and ninety-two women attending for an initial urogynecological/urodynamic assessment took part in this prospective study. In addition to a full clinical assessment, all women underwent free uroflowmetry, residual urine volume measurement (by vaginal ultrasound) and multichannel filling and voiding cystometry. Data were separated into those having (1) sensory urgency or (2) detrusor overactivity. Apart from prevalence figures, comparative associations were sought for (3) age; (4) parity; (5) presenting symptoms; (6) presence of at least one (medically) documented UTI in the previous 12 months; (7) two or more (recurrent) documented UTIs in the previous 12 months; (8) prior hysterectomy; (9) prior continence surgery; (10) menopause; (11) menopause and HRT use; (12) sign of clinical stress leakage; (13) retroverted uterus; (14) anterior vaginal wall prolapse; (15) uterine prolapse; (16) posterior vaginal wall prolapse; (17) apical vaginal prolapse; (18, 19) maximum, average urine flow rate (MUFR, AUFR) centiles, Liverpool Nomograms; (20) median residual urine volume (RUV) in milliliters; (21, 22) voiding difficulty: VD1,VD2 (MUFR, AUFR under 10th centile Liverpool Nomogram and/or RUV >30 ml); (23) diagnosis of urodynamic stress incontinence and (24) diagnosis of uterine and/or vaginal prolapse (grade >0). The prevalence of sensory urgency was 13%. The only differences in the clinical and urodynamic profiles of it and detrusor overactivity were (1) significantly increased prevalence of the symptom of urge incontinence and (2) (by definition) abnormal detrusor contractions during filling cystometry in women with detrusor overactivity. Overall, sensory urgency and detrusor overactivity appear to be part of the same spectrum of bladder dysfunction.
Adolescent↗
The retroverted uterus: ignored to date but core to prolapse.
The retroverted uterus has been largely ignored in urogynaecological research to date. The prevalence of the retroverted uterus is 79% more common in the urogynaecological patient population (34%) than in the general gynaecological population (19%). Its diagnosis requires the use of (a) transvaginal ultrasound with (b) an empty bladder. Recent data demonstrate that the prevalence of grade 2-4 uterine prolapse for a retroverted uterus is 4.5 times that for an anteverted uterus. Alternatively, 69% grade 2-4 uterine prolapse involves the retroverted uterus. The retroverted uterus, when diagnosed by transvaginal ultrasound (bladder empty), is far more common in urogynecology patients due to their higher incidence of prolapse.
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The empty bladder.
The empty (near-empty) bladder can have a volume ranging from 0 to 30 ml. Its diagnosis is effectively and least invasively made by ultrasound (transvaginal superior). It is a key marker of normal bladder function. It is necessary for the accurate assessment of uterovaginal prolapse, as increasing bladder volume has been shown to reduce the extent of the prolapse. Any negative effect of prolapse on voiding is reduced at high bladder volumes compared to voiding from low bladder volumes (due to the same reduction in the extent of the prolapse). An empty bladder is optimal for bimanual pelvic examination and most transvaginal ultrasound examinations including that for uterine version. The retroverted uterus is proving to be of increasing relevance to prolapse. The woman whose bladder is empty post-voiding is at a significantly lower risk of recurrent urinary tract infections. The bladder that can't be emptied is a marker of bladder dysfunction, requiring a fuller investigation. From a surgical point of view, the empty bladder improves access and reduces surgical risks with laparotomy, as well as both laparoscopic and vaginal surgery.
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Has the true prevalence of voiding difficulty in urogynecology patients been underestimated?
Voiding difficulty has been relatively overlooked as a diagnosis. Previous estimates of its prevalence have generally been no more than 14% with one exception at 24%. The aim of this study is to determine the true prevalence and associations of voiding difficulty using a validated definition [urine flow rate under 10th centile of the Liverpool Nomograms and/or residual urine volume (by transvaginal ultrasound) more than 30 ml]. This study involved 592 women referred for an initial urogynecological assessment including urodynamics. Data were separated according to the presence or absence of voiding difficulty. The prevalence of voiding difficulty was 39%, far higher than previous estimates. It is the third most common urodynamic diagnosis behind urodynamic stress incontinence (USI-72%) and uterine/vaginal prolapse (61%) and ahead of the overactive bladder (13%). Voiding difficulty significantly increased in prevalence with age and increasing grades of all types of uterine/vaginal prolapse. Prolapse appeared to be the main factor in the age deterioration. Other significant positive relationships with voiding difficulty were prior hysterectomy and prior continence surgery, whilst USI and the symptom and sign of stress incontinence had significant inverse relationships.
Adolescent↗