Особливості уродинаміки нижніх сечових шляхів у хворих за ідіопатичного гіперактивного сечового міхура

Introduction. Hyperactivity of the bladder (HAB) – severe disorder of urination, which is revealed in almost 17% of population, ageing more than 40 yrs, of them 56% - women, 44% - men. Objective. Determination of rate and clinical significance of some urodynamic symptoms, which are revealed in accordance to results of complex examination in idiopathic HAB. Маterials and methods. Combined urodynamic investigation was conducted in 137 patients, suffering HAB (105 women, 32 men). Results. Іmperative character of urination in patients with HAB causes reduction of maximal cystometric capacity - in 75.9% of patients, lowering of the bladder sensitivity threshold in 70.8%, the bladder detrusor muscle hyperactivity - in 35,8%, compliance - in 43.1%, ureteric instability - in 24.8%. Conclusion. Reduction of the bladder capacity of gathering and withholding of urine in normal or low intrabladder pressure and frequent combination of the bladder nonstability with signs of the urination obstruction constitutes the main peculiarities of disorder of the lower urinary ways urination in patients, suffering HAB.