bladder outlet obstruction


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bladder outlet obstruction (BOO)

obstruction of the outflow of urine from the bladder resulting from various etiologies; causes include benign prostatic hyperplasia, prostate cancer, bladder neck contracture, stricture, and a variety of other conditions.

bladder outlet obstruction

A general condition for any difficulty in the passage of urine from the base of the bladder to the urethra, which is more common in men, in which case it is caused by benign prostatic hypertrophy and renal calculi. In women, bladder outlet obstruction is caused by gynaecologic surgery, pregnancy and cancers of pelvic organs.

bladder outlet obstruction

Urology A general condition for any difficulty in the passage of urine from the bladder to the urethra which is more common in ♂, and due to BPH. See Benign prostate hypertrophy.

bladder outlet obstruction

Abbreviation: BOO
The inability to pass urine. BOO is caused by prostatic hyperplasia, drug therapy, or urethral injury and may produce bladder pain, urinary tract infection (esp. in elderly men), or kidney failure. See: benign prostatic hyperplasia
See also: obstruction
References in periodicals archive ?
Videourodynamics testing is particularly useful for the evaluation of neurogenic bladder dysfunction with urinary incontinence and/or incomplete bladder emptying, identification of the level of bladder outlet obstruction, and assessment of lower urinary tract symptoms in selected patients undergoing evaluation for invasive surgical procedures.
It was based on data from 117 men 55 years of age or older undergoing evaluation for bladder outlet obstruction.
While technically feasible, few clinicians routinely measure the duration of the detrusor contraction because it can be difficult to determine the precise point of its onset and the precise point when Pdet returns to baseline, especially in the patient with bladder outlet obstruction and incomplete bladder emptying.
Ten of 13 patients with bladder outlet obstruction and a bladder drainage catheter had relief of their obstruction leading to catheter removal by 12 weeks.
The pathogenic factors for bladder herniation include bladder outlet obstruction, sliding direct inguinal hernia, obesity and weakness of the pelvic musculature.
In this pilot study, conducted at Oakwood Annapolis Medical Center in Wayne, MI, 10 patients with severe bladder outlet obstruction caused by BPH were treated using the new laser system.
Bladder outlet obstruction (BOO) is seen in 52% of asymptomatic patients and in 60% of symptomatic patients.
The treatment should be capable of being performed without anesthesia and will provide immediate relief of bladder outlet obstruction.
An extravesical ureterocele is a cause of bladder outlet obstruction in newborn girls.
Urodynamic effects of finasteride in the treatment of bladder outlet obstruction due to BPH were assessed by invasive techniques in a 24-week, double-blind, placebo-controlled study of 36 patients with moderate to severe symptoms of urinary obstruction and a maximum flow rate of less than 15 cc/sec.