How reliable are bladder perceptions during cystometry?

Neurourology and Urodynamics
Erim ErdemErcüment Ulusoy

Abstract

Sensory input is important for bladder control in daily life. It has been reported that perceptions during cystometry are subjective. To help refine this subjectivity, objective and semi-objective tests (e.g., sensory thresholds of electrical stimulation) have been recommended by The International Continence Society. However, the reliability of such studies has not been established. This study was designed to evaluate the reliability of bladder perceptions during cystometry. The study included 59 patients with urologic complaints. The average age of 40 male and 19 female patients was 58.1 years (range: 14-83). After insertion of an 8F double lumen catheter, patients were blinded to the pump and screen process. During Phase I nothing was infused. In Phase II, filling cystometry was performed with 50 ml/min pump speed and then the bladder was emptied. Phase III was performed with the same method used in Phase I. The time that each sensation was perceived, in seconds, was used to compare sensations. The bladder volume, at which sensations were perceived, was recorded at Phase II. Except for strong desire, there were no statistically significant differences between the mean times in seconds elapsed till sensations in Phases I and I...Continue Reading

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