The relationship of detrusor instability and symptoms with objective parameters used for diagnosing bladder outlet obstruction: a prospective study.

Purpose: Detrusor instability is a common urodynamic finding in patients with prostatic obstruction. In prospective fashion we evaluated detrusor instability in patients with lower urinary tract symptoms attributable to benign prostatic hyperplasia and determined its possible association with the degree of obstruction.

Materials And Methods: A total of 459 men with a mean age plus or minus standard deviation of 60.