الفهرس 
Material and methodsOnly 14 pages are availabe for public view
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Abstract
50 cases with benign prostatic hyperplasia were
the material of this study aiming at evaluation of
these cases urodynamically before advising for prosta
teetomy.
The proloque of this work included a detailed
review of the anatomy of the bladder and its outlet .and
the dynamic of continence and voiding.
A detailed review of the urodynamic parameters
used in this study (cystometry, uroflowmetry and
urethral pressure profile, was followed by a coincise
review of the bladder instability.
A short review ~bout the pathogenesis of prostatic
out flow obstruction.
The results of this study show that benign prostatic
hyperplasia may be presented with irritative
symptoms associated, with unstable bladder in all
these cases.
By cystometry unstable bladder was detected
in 44% of patient with benign prostatic hyperplasia,
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not related to age of patient, urinary tract infection,
or presence of indwelling catheter but related
to prostatic obstruction in some cases, and associated
with irritative presentation.
2 out of every 5 patient with bladder instability
and benign prostatic hyperplasia persist postoperatively
with instability and one of the two persists
with its irritative symptoms which was the only
finding preoperatively.
Uroflowmetry is agood screening test for diagnosis
of prostatic obstruction but with some limitation
as regard cases with irritative presentation and
unstable bladder due to small voided ( <150 ml) in
the majority of these cases.
CO
Urethral pressure prof’Ll,e was found to be of value
for diagnosis of outlet obstruction due to benign prostatic
hyperplasia in addition to identifying the
nature of external urethral sphincter, its localization
in relation to bladder neck and perfection of
the operative procedure but was found to be .)flimited
value in the preoperative estimation of the adenoma
weight.