The role of bladder diverticula in the prevalence of acute urinary retention in patients with BPH who are candidates to surgery

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorISCAIFE, Alexandre
dc.contributor.authorARFOS, Gabriel dos
dc.contributor.authorNETO, Cristovao Barbosa
dc.contributor.authorNAHAS, Willian Carlos
dc.contributor.authorSROUGI, Miguel
dc.contributor.authorANTUNES, Alberto Azoubel
dc.date.accessioned2018-09-13T15:21:10Z
dc.date.available2018-09-13T15:21:10Z
dc.date.issued2018
dc.description.abstractIntroduction: The urinary bladder diverticula (BD) secondary to benign prostatic hyperplasia (BPH) is a complication that can lead to urinary stasis, stone, urinary tract infection (UTI) and tumors. It's role in acute urinary retention (AUR) is not totally understood. Objectives: To determine the effect of BD size on AUR rates in patients with BPH candidates to surgery. Subjects and Methods: We performed a retrospective cohort study of 47 patients with BPH and BD who underwent BPH surgery associated to complete bladder diverticulectomy from 2006 to 2016. We analyzed risk factors for AUR in patients with BD using univariate, multivariate and correlation analysis. Results: There was a difference in the size of the diverticula, with 6.8 cm vs. 4.5 cm among patients with and without AUR respectively (p=0.005). The ROC curve showed a correlation between the size of BD and the risk of AUR. The value of 5.15 cm presented a sensitivity of 73% and a specificity of 72%. The area under the curve was 0.75 (p=0.01). Comparing groups with BD > 5.0 cm vs. <= 5.0 cm, the AUR incidence was 74% and 27.8% respectively with an OR of 2.65 (1.20-5.85) (p=0.005). In the multivariate analysis, only the size of the diverticula reached statistical significance (p=0.012). Conclusions: The diameter of BD is an independent risk factor for AUR in patients with BPH and BD who are candidates to surgery. A diameter greater than 5.15 cm increases the risk of AUR.
dc.description.indexMEDLINE
dc.identifier.citationINTERNATIONAL BRAZ J UROL, v.44, n.4, p.765-770, 2018
dc.identifier.doi10.1590/S1677-5538.IBJU.2017.0605
dc.identifier.eissn1677-6119
dc.identifier.issn1677-5538
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/27947
dc.language.isoeng
dc.publisherBRAZILIAN SOC UROL
dc.relation.ispartofInternational Braz J Urol
dc.rightsopenAccess
dc.rights.holderCopyright BRAZILIAN SOC UROL
dc.subjectBladder Diverticulum [Supplementary Concept]
dc.subjectProstatic Hyperplasia
dc.subjectUrinary Retention
dc.subject.otherbenign prostatic hyperplasia
dc.subject.othervesical diverticula
dc.subject.otherclinical progression
dc.subject.othernatural-history
dc.subject.otherrisk-factors
dc.subject.othertherapy
dc.subject.othermen
dc.subject.wosUrology & Nephrology
dc.titleThe role of bladder diverticula in the prevalence of acute urinary retention in patients with BPH who are candidates to surgery
dc.typearticle
dc.type.categoryoriginal article
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.author.externalARFOS, Gabriel dos:Univ Sao Paulo, Fac Med, Div Urol, Av Dr Arnaldo 455-2145, BR-01246903 Sao Paulo, SP, Brazil
hcfmusp.citation.scopus5
hcfmusp.contributor.author-fmusphcALEXANDRE ISCAIFE
hcfmusp.contributor.author-fmusphcCRISTOVAO MACHADO BARBOSA NETO
hcfmusp.contributor.author-fmusphcWILLIAM CARLOS NAHAS
hcfmusp.contributor.author-fmusphcMIGUEL SROUGI
hcfmusp.contributor.author-fmusphcALBERTO AZOUBEL ANTUNES
hcfmusp.description.beginpage765
hcfmusp.description.endpage770
hcfmusp.description.issue4
hcfmusp.description.volume44
hcfmusp.origemWOS
hcfmusp.origem.pubmed29617085
hcfmusp.origem.scieloSCIELO:S1677-55382018000400765
hcfmusp.origem.scopus2-s2.0-85050776565
hcfmusp.origem.wosWOS:000437040700016
hcfmusp.publisher.cityRIO DE JANEIRO
hcfmusp.publisher.countryBRAZIL
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