title: Natural volume handwashing urethrocystometry: a physiological technique for the objective diagnosis of the unstable detrusor.
abstract: A group of 163 patients attending with a naturally full bladder had urethrocystometric assessment during provocation with a handwashing test. The results were compared with those from a similar group of 169 patients who were subjected to a handwashing test following the infusion of 500 ml of saline with fast-fill cystometry. The latter group was found to have an unacceptably high number of false-positive results. Also, the results appear to indicate that urine loss due to uncontrolled detrusor contraction may be mainly due to premature activation of the micturition reflex. A fall in the intraurethral pressure was found in 79% and a rise in detrusor pressure in 49% of the patients presenting with a prior history of an unstable bladder. Natural urethrocystometry appears to be a useful and informative technique for objectively assessing patients with a prior history of bladder instability.
authors.affiliation: Department of Gynaecology, Royal Perth Hospital, W.A., Australia.
authors.forename: P E
authors.initials: PE
authors.lastname: Petros
authors.forename: U
authors.initials: U
authors.lastname: Ulmsten
mesh_terms: D005189:False Positive Reactions; D005260:Female; D006235:Hand Disinfection; D006801:Humans; D008875:Middle Aged; D012018:Reflex / Q000502:physiology; D001743:Urinary Bladder / Q000503:physiopathology*; D014549:Urinary Incontinence / Q000175:diagnosis* / Q000503:physiopathology; D014550:Urinary Incontinence, Stress / Q000175:diagnosis* / Q000503:physiopathology; D014554:Urination / Q000502:physiology; D014563:Urodynamics / Q000502:physiology*