2020
Obsessive–Compulsive Personality Symptoms Predict Poorer Response to Gamma Ventral Capsulotomy for Intractable OCD
Copetti M, Lopes A, Requena G, Johnson I, Greenberg B, Noren G, McLaughlin N, Shavitt R, Miguel E, Batistuzzo M, Hoexter M. Obsessive–Compulsive Personality Symptoms Predict Poorer Response to Gamma Ventral Capsulotomy for Intractable OCD. Frontiers In Psychiatry 2020, 10: 936. PMID: 31998155, PMCID: PMC6962231, DOI: 10.3389/fpsyt.2019.00936.Peer-Reviewed Original ResearchGamma ventral capsulotomyPersonality disorder symptomsIntractable obsessive-compulsive disorderObsessive-compulsive disorderDisorder symptomsOCD patientsTreatment responseDisorder symptom changeSymptom changeStructured Clinical InterviewWorse treatment responseDSM-IV personality disordersWilcoxon signed-rank testPoorer ResponseClinical responseTreatment optionsInternal capsuleSigned-rank testTreatment attemptsAnterior limbClinical InterviewRadiosurgical proceduresPatientsSymptomsVentral part
2019
Understanding gamma ventral capsulotomy: Potential implications of diffusion tensor image tractography on target selectivity
de Oliveira Santos B, Gorgulho A, Saraiva C, Lopes A, Gomes J, Pássaro A, Hoexter M, Miguel E, De Salles A. Understanding gamma ventral capsulotomy: Potential implications of diffusion tensor image tractography on target selectivity. Surgical Neurology International 2019, 10: 136. PMID: 31528471, PMCID: PMC6744751, DOI: 10.25259/sni-65-2019.Peer-Reviewed Original ResearchDiffusion tensor image tractographyMorbid obesity patientsOCD patientsObesity patientsInternal capsuleOrbitofrontal cortexAnterior internal capsuleGamma ventral capsulotomyMedial orbitofrontal cortexFunctional stereotactic proceduresFunctional patientsMorbid obesityMean ageTract fibersAnterior limbCerebral hemispheresPatientsFiber tractsDisorder individualsStereotactic proceduresDeep brain stimulation implantsObesityTractography parametersExact topographyTractography
2017
Personality measures after gamma ventral capsulotomy in intractable OCD
Paiva R, Batistuzzo M, McLaughlin N, Canteras M, de Mathis M, Requena G, Shavitt R, Greenberg B, Norén G, Rasmussen S, Tavares H, Miguel E, Lopes A, Hoexter M. Personality measures after gamma ventral capsulotomy in intractable OCD. Progress In Neuro-Psychopharmacology And Biological Psychiatry 2017, 81: 161-168. PMID: 29100975, DOI: 10.1016/j.pnpbp.2017.10.023.Peer-Reviewed Original ResearchConceptsGamma ventral capsulotomyPersonality traitsOCD patientsOCD symptom improvementObsessive-compulsive disorder patientsLow reward dependence
2015
Visuospatial Memory Improvement after Gamma Ventral Capsulotomy in Treatment Refractory Obsessive–Compulsive Disorder Patients
Batistuzzo M, Hoexter M, Taub A, Gentil A, Cesar R, Joaquim M, D'Alcante C, McLaughlin N, Canteras M, Shavitt R, Savage C, Greenberg B, Norén G, Miguel E, Lopes A. Visuospatial Memory Improvement after Gamma Ventral Capsulotomy in Treatment Refractory Obsessive–Compulsive Disorder Patients. Neuropsychopharmacology 2015, 40: 1837-1845. PMID: 25645373, PMCID: PMC4839507, DOI: 10.1038/npp.2015.33.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderRefractory OCD patientsOCD patientsVisuospatial memory performanceComprehensive neuropsychological evaluationObsessive-compulsive disorder patientsTreatment-refractory obsessive-compulsive disorder patientsCognitive flexibilityNeuropsychological domainsMemory performanceVisuospatial learningNeuropsychological functioningVisuospatial perceptionIntellectual functioningInhibitory controlRefractory obsessive-compulsive disorderTreatment-refractory OCD patientsMemory improvementGamma ventral capsulotomyMotor functioningNeuropsychological evaluationNeuropsychological outcomesEffects of GVCMotor performanceFunctioning
2014
Gamma Ventral Capsulotomy for Obsessive-Compulsive Disorder: A Randomized Clinical Trial
Lopes A, Greenberg B, Canteras M, Batistuzzo M, Hoexter M, Gentil A, Pereira C, Joaquim M, de Mathis M, D’Alcante C, Taub A, de Castro D, Tokeshi L, Sampaio L, Leite C, Shavitt R, Diniz J, Busatto G, Norén G, Rasmussen S, Miguel E. Gamma Ventral Capsulotomy for Obsessive-Compulsive Disorder: A Randomized Clinical Trial. JAMA Psychiatry 2014, 71: 1066-1076. PMID: 25054836, DOI: 10.1001/jamapsychiatry.2014.1193.Peer-Reviewed Original ResearchConceptsIntractable obsessive-compulsive disorderObsessive-compulsive disorderClinical trialsGamma ventral capsulotomyClinical Global Impressions-Improvement scaleSerious adverse eventsRandomized clinical trialsCGI-I ratingsDeep brain stimulationYale-Brown ObsessiveAdverse eventsMonth 12Additional patientsActive treatmentSham groupSymptom improvementInternal capsuleSpecialized centersNeurosurgical ablationAnterior limbMAIN OUTCOMEPsychiatric disordersPatientsOCD symptom improvementSelect cases
2010
Response to Sham and Active Gamma Ventral Capsulotomy in Otherwise Intractable Obsessive-Compulsive Disorder
Gouvea F, Lopes A, Greenberg B, Canteras M, Taub A, Mathis M, Miguel E. Response to Sham and Active Gamma Ventral Capsulotomy in Otherwise Intractable Obsessive-Compulsive Disorder. Stereotactic And Functional Neurosurgery 2010, 88: 177-182. PMID: 20431329, DOI: 10.1159/000313870.Peer-Reviewed Original ResearchConceptsRefractory obsessive-compulsive disorderGamma ventral capsulotomyClinical responseSham surgeryObsessive-compulsive disorderSurgical techniquePsychopathological changesRadiosurgical proceduresRemarkable ameliorationActive interventionCompulsive disorderDisordersActive procedureCapsulotomySurgeryShamRadiosurgery
2008
Gamma ventral capsulotomy for treatment of resistant obsessive-compulsive disorder: A structural MRI pilot prospective study
Cecconi J, Lopes A, de Souza Duran F, Santos L, Hoexter M, Gentil A, Canteras M, de Castro C, Norén G, Greenberg B, Rauch S, Busatto G, Miguel E. Gamma ventral capsulotomy for treatment of resistant obsessive-compulsive disorder: A structural MRI pilot prospective study. Neuroscience Letters 2008, 447: 138-142. PMID: 18835422, DOI: 10.1016/j.neulet.2008.09.061.Peer-Reviewed Original ResearchConceptsGamma ventral capsulotomyObsessive-compulsive disorderRefractory obsessive-compulsive disorderResistant obsessive-compulsive disorderRefractory OCD patientsYear of radiosurgeryPilot prospective studyVoxel-based morphometry methodRegional structural abnormalitiesGray matter volumeRight inferior frontal gyrusInferior orbitofrontal cortexPostoperative increaseProspective studyInferior frontal gyrusMagnetic resonance imaging dataMatter volumeMRI scansNeurobiological changesStructural abnormalitiesOrbitofrontal cortexCapsulotomyPatientsOCD patientsFrontal gyrus