Pressure-flow studies in patients with benign prostatic hyperplasia: a study comparing suprapubic and transurethral methods / 亚洲男科学杂志(英文版)
Asian Journal of Andrology
;
(6): 731-735, 2006.
Artigo
em Inglês
| WPRIM
| ID: wpr-253783
ABSTRACT
<p><b>AIM</b>To compare the use of the suprapubic puncture method versus the transurethral method in pressure-flow studies in patients with benign prostatic hyperplasia.</p><p><b>METHODS</b>Twenty-three men with benign prostatic hyperplasia underwent both suprapubic and transurethral pressure-flow studies during a single session. Standard pressure-flow variables were recorded in all patients with both methods, enabling calculation of obstruction using commonly used grading systems, such as the urethral resistance algorithm, the Abrams-Griffith (AG) number and the Schaer linear nomogram.</p><p><b>RESULTS</b>There were statistically significant differences between the methods in the mean values of maximum flow rate (P < 0.05), detrusor pressure at the maximum flow (P < 0.01), urethral resistance algorithm (P < 0.01), AG number (P < 0.01) and maximum cystic capacity (P < 0.01). Of the men in the study, 10 (43.5%) remained in the same Schaer class with both methods and 18 (78.3%) in the same AG number area. Using the transurethral method, 12 (52.2%) men increased their Schaer class by one and 1 (4.3%) by two. There were also differences between the suprapubic and transurethral methods using the AG number 4 (17.4%) men moved from a classification of equivocal to obstructed and 1 (4.3%) from unobstructed to equivocal.</p><p><b>CONCLUSION</b>The differences between the techniques for measuring intravesical pressure alter the grading of obstruction determined by several of the commonly used classifications. An 8 F transurethral catheter significantly increases the likelihood of a diagnosis of bladder outlet obstruction when compared with the suprapubic method.</p>
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Fisiologia
/
Pressão
/
Hiperplasia Prostática
/
Micção
/
Urodinâmica
/
Obstrução do Colo da Bexiga Urinária
/
Cateterismo Urinário
/
Punções
/
Diagnóstico
Tipo de estudo:
Estudo diagnóstico
Limite:
Idoso
/
Humanos
/
Masculino
Idioma:
Inglês
Revista:
Asian Journal of Andrology
Ano de publicação:
2006
Tipo de documento:
Artigo
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