Emptying cystometry: A feasibility and validation pilot study on female patients

Progrès en urologie : journal de l'Association française d'urologie et de la Société française d'urologie
C ChesnelGérard Amarenco

Abstract

To assess the feasibility and the accuracy of emptying cystometry in order to simplify the manometric follow-up of overactive detrusor in neurological patients under anticholinergic or botulinum toxin injections. Female patients with a stable detrusor underwent both a conventional cystometry and sequential measurements of bladder pressure during emptying (emptying cystometry). At the end of the standard cystometry, a CH12 urinary catheter was introduced in the bladder and was connected to a three-way stopcock. The second way of the stopcock permitted the emptying. The third way of the stopcock was connected to a vertical graduated tube to measure the bladder pressure each 50mL during the bladder emptying. Eleven female patients were included (mean age: 59.4years). Nine patients (82%) had neurogenic bladder. Mean cystometric capacity was 439mL (SD: 35mL). During the emptying cystometry, 8 to 10 measures were taken (mean: 9.4). The mean detrusor pressure was 1.7cmH2O (SD 2.1) for the filling cystometry and 2.3cmH2O (SD: 2.7) for the emptying cystometry. The agreement between the detrusor pressure between the two cystometries was good with intra-class correlation coefficient at 0.66 [0.48-0.77] - and the correlation was high (r=0....Continue Reading

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