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Posterior quadrant epilepsy surgery: case series of a South American hospital

dc.contributorPontificia Universidad Javeriana. Facultad de Medicina. Departamento de Neurociencias. Neurología
dc.contributorNariño González, Daniel
dc.creatorVelasco Marquez, Mario
dc.creatorCardenas-Cruz, Andres Felipe
dc.creatorAguilera-Pena, Maria Paula
dc.creatorVargas-Moreno, Alejandro
dc.creatorNariño González, Daniel
dc.creatorPérez Poveda, Juan Carlos
dc.creatorZorro Guio, Óscar Fernando
dc.date2022-12-06T12:44:12Z
dc.date2022-12-06T12:44:12Z
dc.date2022-10-10
dc.date.accessioned2025-10-30T13:28:48Z
dc.date.available2025-10-30T13:28:48Z
dc.identifierhttps://aepi.biomedcentral.com/articles/10.1186/s42494-022-00098-w
dc.identifier2096-9384 / 2524-4434 (Electrónico)
dc.identifierhttp://hdl.handle.net/10554/62385
dc.identifierhttps://doi.org/10.1186/s42494-022-00098-w
dc.identifierinstname:Pontificia Universidad Javeriana
dc.identifierreponame:Repositorio Institucional - Pontificia Universidad Javeriana
dc.identifierrepourl:https://repository.javeriana.edu.co
dc.identifier.urihttp://test.repositoriodigital.com:8080/handle/123456789/182310
dc.descriptionPacientes con Epilepsia del cuadrante posterior
dc.descriptionBackground: Posterior quadrant epilepsy (PCE) is a type of focal epilepsy that originates in the parietal lobe, occipital lobe, and the parietal-occipital border of the temporal lobe, or in any combination of these regions. PCE has a low incidence, but it can cause a great burden in disability-adjusted life years. In this retrospective cohort, patients of all ages with a diagnosis of PCE between 2006 and 2019 were evaluated in a referral center in Bogotá, Colombia. A descriptive analysis of demographic data, clinical history, imaging findings, type of surgery, histopathological diagnosis, outcome, and follow-up was performed using the Engel scale. Methods: This study included refractory PCE patients of all ages who were evaluated by the epilepsy surgery group of the Hospital Universitario San Ignacio from 2006 to 2019. Clinical, imaging and surgical variables were obtained from the medical records and analyzed. Results: Thirteen patients were included in the study, including 8 males and 5 females. The mean age of diagnosis was 8.8 years, while the mean age of surgery was 25 years. The most frequent clinical finding was intellectual disability. The most common findings on magnetic resonance imaging were encephalomalacia and gliosis. In 61.5% of the patients, the lateralization of video-EEG matched with brain magnetic resonance imaging alteration. The most frequent types of surgery performed were lobectomies, lesionectomies and cortical resections. Seizure-freedom was achieved in approximately one third of the patients; however, more than half of the patients were free of disabling seizures or had significant improvement after surgery. Conclusions: PCE surgery is scarcely performed worldwide, therefore the effectiveness and outcomes are quite variable in the reported literature. In this study, we show that patients with PCE can obtain great benefits in terms of reduction of seizures with a low risk of surgical complications, encouraging the use of this type of procedure in carefully selected patients.
dc.descriptionhttps://orcid.org/0000-0001-8829-846X
dc.descriptionhttps://orcid.org/0000-0003-4967-4906
dc.descriptionhttps://orcid.org/0000-0001-7361-6891
dc.descriptionhttps://orcid.org/0000-0003-1044-3043
dc.descriptionhttps://orcid.org/0000-0003-3467-222X
dc.descriptionhttps://orcid.org/0000-0001-5360-5650
dc.descriptionhttps://orcid.org/0000-0002-9362-2487
dc.descriptionRevista Internacional - No indexada
dc.descriptionNo
dc.formatPDF
dc.formatapplication/pdf
dc.formatapplication/pdf
dc.languageeng
dc.relation1
dc.relation6
dc.relationActa Epileptologica
dc.relation4
dc.rightsAtribución-NoComercial 4.0 Internacional
dc.rightshttp://creativecommons.org/licenses/by-nc/4.0/
dc.rightshttp://purl.org/coar/access_right/c_abf2
dc.subjectPosterior cortex
dc.subjectEpilepsy surgery
dc.subjectPosterior quadrant epilepsy
dc.titlePosterior quadrant epilepsy surgery: case series of a South American hospital
dc.typehttp://purl.org/coar/version/c_ab4af688f83e57aa
dc.typeArtículo de revista
dc.typehttp://purl.org/coar/resource_type/c_2df8fbb1
dc.coverageAmérica del Sur
dc.coverageColombia
dc.coverage2006-2019
dc.coverageBogotá (Colombia)


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