Pudendal somatosensory evoked potentials in normal women

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dc.contributor.authorCavalcanti, Geraldo A. [UNIFESP]
dc.contributor.authorBruschini, Homero [UNIFESP]
dc.contributor.authorManzano, Gilberto Mastrocola [UNIFESP]
dc.contributor.authorNunes, Karlo Faria [UNIFESP]
dc.contributor.authorGiuliano, Lydia M. [UNIFESP]
dc.contributor.authorNobrega, Joao Antonio [UNIFESP]
dc.contributor.authorSrougi, Miguel [UNIFESP]
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2015-06-14T13:37:12Z
dc.date.available2015-06-14T13:37:12Z
dc.date.issued2007-12-01
dc.description.abstractOBJECTIVE: Somatosensory evoked potential (SSEP) is an electrophysiological test used to evaluate sensory innervations in peripheral and central neuropathies. Pudendal SSEP has been studied in dysfunctions related to the lower urinary tract and pelvic floor. Although some authors have already described technical details pertaining to the method, the standardization and the influence of physiological variables in normative values have not yet been established, especially for women. The aim of the study was to describe normal values of the pudendal SSEP and to compare technical details with those described by other authors. MATERIALS AND METHODS: The clitoral sensory threshold and pudendal SSEP latency was accomplished in 38 normal volunteers. The results obtained from stimulation performed on each side of the clitoris were compared to ages, body mass index (BMI) and number of pregnancies. RESULTS: The values of clitoral sensory threshold and P1 latency with clitoral left stimulation were respectively, 3.64 ± 1.01 mA and 37.68 ± 2.60 ms. Results obtained with clitoral right stimulation were 3.84 ± 1.53 mA and 37.42 ± 3.12 ms, respectively. There were no correlations between clitoral sensory threshold and P1 latency with age, BMI or height of the volunteers. A significant difference was found in P1 latency between nulliparous women and volunteers who had been previously submitted to cesarean section. CONCLUSIONS: The SSEP latency represents an accessible and reproducible method to investigate the afferent pathways from the genitourinary tract. These results could be used as normative values in studies involving genitourinary neuropathies in order to better clarify voiding and sexual dysfunctions in females.en
dc.description.affiliationFederal University of São Paulo Divisions of Urology and Neurology
dc.description.affiliationUniversity of São Paulo
dc.description.affiliationUnifespUNIFESP, Divisions of Urology and Neurology
dc.description.sourceSciELO
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent815-821
dc.identifierhttp://dx.doi.org/10.1590/S1677-55382007000600010
dc.identifier.citationInternational braz j urol. Sociedade Brasileira de Urologia, v. 33, n. 6, p. 815-821, 2007.
dc.identifier.doi10.1590/S1677-55382007000600010
dc.identifier.fileS1677-55382007000600010.pdf
dc.identifier.issn1677-5538
dc.identifier.scieloS1677-55382007000600010
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/4014
dc.language.isoeng
dc.publisherSociedade Brasileira de Urologia
dc.relation.ispartofInternational braz j urol
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectneurophysiologyen
dc.subjectpelvic flooren
dc.subjectevoked potentialsen
dc.subjectelectrodiagnosisen
dc.titlePudendal somatosensory evoked potentials in normal womenen
dc.typeinfo:eu-repo/semantics/article
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