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1.
Rev Neurol (Paris) ; 2024 Jun 11.
Article in English | MEDLINE | ID: mdl-38866657

ABSTRACT

BACKGROUND: Previous studies showed the efficacy of epilepsy surgery in carefully selected children with epilepsy associated with tuberous sclerosis complex. However, how this selection is conducted, and the characteristics of the patients brought to surgery are still poorly described. By conducting a multicentric retrospective cohort study covering the practice of the last twenty years, we describe the paths leading to epilepsy surgery in children with epilepsy associated with tuberous sclerosis complex. METHODS: We identified 84 children diagnosed with tuberous sclerosis complex and epilepsy by matching two exhaustive registries of genetic diseases and subsequent medical records reviews within two French neuropediatric and epilepsy centers. Demographic, clinical, longitudinal, and diagnostic and surgical procedures data were collected. RESULTS: Forty-six percent of the children were initially drug-resistant and 19% underwent resective surgery, most often before the age of four. Stereotactic electroencephalography was performed prior to surgery in 44% of cases. Fifty-seven and 43% of patients remained seizure-free one and ten years after surgery, respectively. In addition, 52% of initially drug-resistant patients who did not undergo surgery were seizure-free at the last follow-up. The number of anti-seizure medications required decreased in 50% of cases after surgery. Infantile spasms, intellectual disability, autism spectrum disorder or severe behavioral disorders were not contraindications to surgery but were associated with a higher rate of complications and a lower rate of seizure freedom after surgery. CONCLUSION: Despite the assumption of complex multifocal epilepsy and practical difficulties in young children with tuberous sclerosis complex, successful surgery results are comparable with other populations of patients with drug-resistant epilepsy, and a spontaneous evolution to drug-sensitive epilepsy may occur in non-operated patients.

2.
Rev Neurol (Paris) ; 180(4): 290-297, 2024 Apr.
Article in English | MEDLINE | ID: mdl-38508955

ABSTRACT

The 2017 International League Against Epilepsy (ILAE) classification suggested that the term "genetic generalized epilepsies" (GGEs) should be used for the broad group of epilepsies with so-called "generalized" seizure types and "generalized" spike-wave activity on EEG, based on a presumed genetic etiology. Within this framework, idiopathic generalized epilepsies (IGEs) are described as a subset of GGEs and include only four epileptic syndromes: childhood absence epilepsy, juvenile absence epilepsy, juvenile myoclonic epilepsy, and epilepsy with generalized tonic-clonic seizures alone. The recent 2022 ILAE definition of IGEs is based on the current state of knowledge and reflects a community consensus and is designed to evolve as knowledge advances. The term "frontiers of IGEs" refers to the actual limits of our understanding of these four syndromes. Indeed, among patients presenting with a syndrome compatible with the 2022 definition of IGEs, we still observe a significant proportion of patients presenting with specific clinical features, refractory seizures, or drug-resistant epilepsies. This leads to the discussion of the boundaries of IGEs and GGEs, or what is accepted within a clinical spectrum of a definite IGE. Here, we discuss several entities that have been described in the literature for many years and that may either constitute rare features of IGEs or a distinct differential diagnosis. Their recognition by clinicians may allow a more individualized approach and improve the management of patients presenting with such entities.


Subject(s)
Drug Resistant Epilepsy , Epilepsy, Generalized , Humans , Epilepsy, Generalized/diagnosis , Epilepsy, Generalized/physiopathology , Drug Resistant Epilepsy/diagnosis , Drug Resistant Epilepsy/physiopathology , Drug Resistant Epilepsy/drug therapy , Drug Resistant Epilepsy/etiology , Electroencephalography , Anticonvulsants/therapeutic use , Child , Epilepsy, Absence/diagnosis , Epilepsy, Absence/physiopathology , Epilepsy, Absence/drug therapy
3.
Neurochirurgie ; 66(4): 270-274, 2020 Aug.
Article in English | MEDLINE | ID: mdl-32623060

ABSTRACT

INTRODUCTION: Over the past 20 years, Vagus Nerve Stimulation (VNS) has become one of the tools for surgical treatment of patients with refractory cryptogenic epilepsy. The objective of this study was to determine the feasibility of implanting a Vagus Nerve Stimulation in ambulatory patients with chronic epilepsy. PATIENTS AND METHODS: VNS procedure was consecutively performed in outpatient surgery between November 2016 and November 2018 in patients with refractory epilepsy. The main endpoints were complications, prolonged hospitalization and readmission during the first postoperative month. This information was collected by retrospective analysis of clinical files. RESULTS: Of the 22 patients included, the majority were autonomous (77%) with only 5 institutionalized patients. Retrospective analysis revealed a single complication of temporary dysphonia (4.5%) and an unplanned hospitalisation for immediate post-operative vomiting (4.5%). No readmissions were observed during the postoperative month but an emergency room visit for generalized seizure disorder was reported for one patient. CONCLUSION: The outpatient implantation of VNS in patients with epilepsy is a valid strategy for 95% of patients.


Subject(s)
Drug Resistant Epilepsy/surgery , Neurosurgical Procedures/methods , Vagus Nerve Stimulation/methods , Adolescent , Adult , Ambulatory Care , Child , Chronic Disease , Dysphonia/epidemiology , Dysphonia/etiology , Electrodes, Implanted , Female , Humans , Length of Stay , Male , Middle Aged , Outpatients , Patient Readmission , Postoperative Complications/epidemiology , Retrospective Studies , Treatment Outcome , Vagus Nerve Stimulation/adverse effects , Young Adult
4.
Neurochirurgie ; 66(3): 144-149, 2020 Jun.
Article in English | MEDLINE | ID: mdl-32197972

ABSTRACT

OBJECTIVE: Structural epilepsy related to cerebral arteriovenous malformation (AVM) suggests different epileptogenic mechanisms. The aim of our study was to determine factors associated with epilepsy into a retrospective cohort of AVM patients. PATIENTS AND METHODS: Ruptured and unruptured AVM data retrieved from a prospective single center registry (2009-2016) were retrospectively assessed. Demographic, clinical and radiological features were identified in AVM patients with or without epilepsy according to the International League Against Epilepsy classification. RESULTS: Epilepsy concerned 22 out of 80 consecutive patients with AVM (27.5%). Univariate analysis comparing both groups revealed a significant association of different variables with the structural epilepsy: young age (P=0.02), large nidus size (P=0.02), venous dilation (P=0.02), posterior cerebral artery (PCA) feeder (P<0.001) and Spetzler-Martin grade (P=0.02). Based on multivariate analysis, only the PCA feeder was identified (OR=5.2 [95% CI 1.1-24,5], P=0.04). CONCLUSION: PCA feeder for cerebral AVM was significantly associated with structural epilepsy. The hypothesis of a vascular steal phenomenon to the detriment of internal temporal lobe vascularization could be related to the development of epilepsy.


Subject(s)
Epilepsy/etiology , Intracranial Arteriovenous Malformations/complications , Adolescent , Adult , Age Factors , Age of Onset , Aged , Aged, 80 and over , Carotid Artery, External/diagnostic imaging , Cerebral Arteries/diagnostic imaging , Child , Child, Preschool , Cohort Studies , Epilepsy/diagnostic imaging , Epilepsy/epidemiology , Female , Humans , Intracranial Arteriovenous Malformations/diagnostic imaging , Intracranial Arteriovenous Malformations/epidemiology , Magnetic Resonance Imaging , Male , Middle Aged , Registries , Rupture , Treatment Outcome , Young Adult
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