Viscoelastic properties of the normal human bladder

• Continuous and stepwise cystometry were performed through suprapubic catheters in 12 healthy young subjects in order to assess passive viscoelastic variables of the normal human bladder during the collection phase. Elastic contants increased non-linearly with bladder distension. Relative elastic modulus and relaxation time of the bladder wall increased or tended to increase with bladder distension and infusion rate. There was considerable interindividual variation in all variables suggesting that discrimination between normal and abnormal bladder wall viscoelasticity may be difficult in routine clinical practice.

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