排尿機能検査によるいわゆる膀胱頚部硬化症の診断

概要

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Obstruction at the bladder neck is not uncommon in the adult male and has been thought to be caused by organic mechanical obstruction. Its pathogenesis is, however, often obscure and there are no accurate diagnostic criteria. Urodynamic examinations were performed in the patients who complained of dysuria and had obstructive pattern of urinary flow without any organic mechanical obstruction in the urethra nor any abnormal findings in simultaneous recording of bladder pressure and electromyogram of the anal external sphincter. The urodynamic exalninations revealed that the patients consist of two groups (responder and non-responder) based on the response of urinary flow rate to phentolamine and suggested the important role of the adrenergic nervous system on the bladder neck in responders.
泌尿器科紀要刊行会の論文