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  • Title: Can the sensory threshold toward electrical stimulation be used to quantify the subjective perception of bladder filling? A study in young healthy volunteers.
    Author: De Wachter S, Wyndaele JJ.
    Journal: Urology; 2001 Apr; 57(4):655-8; discussion 658-9. PubMed ID: 11306371.
    Abstract:
    OBJECTIVES: To evaluate whether electrosensation can be used as a quantitative measurement for the sensations felt during bladder distension. METHODS: A total of 48 healthy volunteers were examined. Sensations of bladder distension were evaluated during medium-fill cystometry. Electrosensation was quantified by obtaining electrical thresholds at different sites in the lower urinary tract with constant current stimulation at 2.5 and 95 Hz. RESULTS: Both currents were perceived differently. Thresholds at 95 Hz were significantly higher than at 2.5 Hz for each location. With neither current could a significant correlation be found between the parameters of filling perception and electrosensation in the lower urinary tract. CONCLUSIONS: Although the use of electrical thresholds is a valuable technique in the diagnosis of neuropathic disorders in the lower urinary tract, at the current settings it cannot be used to quantify the perception of bladder filling.
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