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https://www.readbyqxmd.com/read/27522982/communicating-segment-aneurysm-of-internal-carotid-artery-associated-with-saltzman-s-type-iii-persistent-trigeminal-artery-a-case-report
#1
M A Alonso-Vanegas, E Quintero-Lopez, J C Moreira-Holguín, A A Martínez-Albarrán, R Corona-Cedillo, J L Gómez-Amador
Persistent trigeminal artery (PTA), also called primitive trigeminal artery represents the most common embryonic remnant of fetal circulation in adulthood, (only after fetal pattern of Posterior Communicating Artery (PComA)), with an estimated incidence of between 0.1 and 0.76%. The permanence of this fetal pattern constitutes an incidental finding in most cases, however, may be associated with aneurysms, arteriovenous malformations (AVM's), trigeminal neuralgia and other types of fetal circulation persistency...
August 11, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27207766/corrigendum-to-transcranial-direct-current-stimulation-in-epilepsy-brain-stimulation-8-2015-455-464
#2
Daniel San-Juan, León Morales-Quezada, Adolfo Josué Orozco Garduño, Mario Alonso-Vanegas, Maricarmen Fernández González-Aragón, Dulce Anabel Espinoza López, Rafael Vázquez Gregorio, David J Anschel, Felipe Fregni
No abstract text is available yet for this article.
May 2016: Brain Stimulation
https://www.readbyqxmd.com/read/26915454/pharmacoresistant-temporal-lobe-epilepsy-modifies-histamine-turnover-and-h3-receptor-function-in-the-human-hippocampus-and-temporal-neocortex
#3
Ivette Bañuelos-Cabrera, Manola Cuéllar-Herrera, Ana Luisa Velasco, Francisco Velasco, Mario Alonso-Vanegas, Francia Carmona, Rosalinda Guevara, José-Antonio Arias-Montaño, Luisa Rocha
Experiments were designed to evaluate the tissue content of tele-methylhistamine (t-MeHA) and histamine as well as H3 receptor (H3 Rs) binding and activation of the heterotrimeric guanine nucleotide binding αi/o proteins (Gαi/o) coupled to these receptors in the hippocampus and temporal neocortex of patients (n = 10) with pharmacoresistant mesial temporal lobe epilepsy (MTLE). Patients with MTLE showed elevated tissue content of t-MeHA in the hippocampus. Analyses revealed that a younger age at seizure onset was correlated with a higher tissue content of t-MeHA, lower H3 R binding, and lower efficacy of Gαi/o protein activation in the hippocampus...
April 2016: Epilepsia
https://www.readbyqxmd.com/read/26868428/recurrent-herpes-simplex-virus-encephalitis-after-neurologic-surgery
#4
Mario Arturo Alonso-Vanegas, Eduardo Quintero-López, Adrián Axallacan Martínez-Albarrán, Juan Carlos Moreira-Holguín
BACKGROUND: The herpes simplex virus (HSV) is the most common cause of sporadic encephalitis worldwide. Even with proper treatment, this infection is associated with a mortality rate of 19%-30% and with potential neurologic sequelae. Recurrences of encephalitis are rare and limited to a few cases in the literature. Although the mechanism of reactivation has not yet been clarified, in our patient, the surgery might have acted as a precipitating factor. CASE DESCRIPTION: The case involved a female 10-year-old patient with a history of type 1 HSV encephalitis since 24 months of age...
May 2016: World Neurosurgery
https://www.readbyqxmd.com/read/26621122/increased-expression-of-bdnf-transcript-with-exon-vi-in-hippocampi-of-patients-with-pharmaco-resistant-temporal-lobe-epilepsy
#5
G A Martínez-Levy, L Rocha, F D Lubin, M A Alonso-Vanegas, A Nani, R M Buentello-García, R Pérez-Molina, M Briones-Velasco, F Recillas-Targa, A Pérez-Molina, D San-Juan, J Cienfuegos, C S Cruz-Fuentes
A putative role of the brain-derived neurotrophic factor (BDNF) in epilepsy has emerged from in vitro and animal models, but few studies have analyzed human samples. We assessed the BDNF expression of transcripts with exons I (BDNFI), II (BDNFII), IV (BDNFIV) and VI (BDNFVI) and methylation levels of promoters 4 and 6 in the hippocampi of patients with pharmaco-resistant temporal lobe epilepsy (TLE) (n=24). Hippocampal sclerosis (HS) and pre-surgical pharmacological treatment were considered as clinical independent variables...
February 9, 2016: Neuroscience
https://www.readbyqxmd.com/read/26526468/-jean-fran%C3%A3-ois-marie-aicardi-1926-2015
#6
EDITORIAL
Mario A Alonso-Vanegas, Salvador Vergara-López
No abstract text is available yet for this article.
September 2015: Gaceta Médica de México
https://www.readbyqxmd.com/read/25697590/transcranial-direct-current-stimulation-in-epilepsy
#7
REVIEW
Daniel San-Juan, León Morales-Quezada, Adolfo Josué Orozco Garduño, Mario Alonso-Vanegas, Maricarmen Fernández González-Aragón, Dulce Anabel Espinoza López, Rafael Vázquez Gregorio, David J Anschel, Felipe Fregni
BACKGROUND: Transcranial direct current stimulation (tDCS) is an emerging non-invasive neuromodulation therapy in epilepsy with conflicting results in terms of efficacy and safety. OBJECTIVE: Review the literature about the efficacy and safety of tDCS in epilepsy in humans and animals. METHODS: We searched studies in PubMed, MedLine, Scopus, Web of Science and Google Scholar (January 1969 to October 2013) using the keywords 'transcranial direct current stimulation' or 'tDCS' or 'brain polarization' or 'galvanic stimulation' and 'epilepsy' in animals and humans...
May 2015: Brain Stimulation
https://www.readbyqxmd.com/read/25304920/alterations-of-5-ht1a-receptor-induced-g-protein-functional-activation-and-relationship-to-memory-deficits-in-patients-with-pharmacoresistant-temporal-lobe-epilepsy
#8
Manola Cuellar-Herrera, Ana Luisa Velasco, Francisco Velasco, David Trejo, Mario Alonso-Vanegas, Avril Nuche-Bricaire, Daruni Vázquez-Barrón, Rosalinda Guevara-Guzmán, Luisa Rocha
The 5-hydroxytryptamine-1A (5-HT1A) receptors are known to be involved in the inhibition of seizures in epilepsy. Moreover, studies propose a role for the 5-HT1A receptor in memory function; it is believed that the higher density of this receptor in the hippocampus plays an important role in its regulation. Positron emission tomography (PET) studies in patients with mesial temporal lobe epilepsy (mTLE) have demonstrated that a decrease in 5-HT1A receptor binding in temporal regions may play a role in memory impairment...
December 2014: Epilepsy Research
https://www.readbyqxmd.com/read/25204009/utility-of-electrocorticography-in-the-surgical-treatment-of-cavernomas-presenting-with-pharmacoresistant-epilepsy
#9
REVIEW
Daniel San-Juan, Iván Cesár Díaz-Nuñez, Mónica Ojeda-Baldéz, Víctor Armando Barajas-Juárez, Iliana González-Hernández, Mario Alonso-Vanegas, David J Anschel, Jesús Delgado de la Mora, Ned Merari Davila-Avila, Carlos Alfonso Romero-Gameros, Rafael Vázquez-Gregorio, Axel Hernández-Ruíz
AIM: To describe the general aspects of cavernomas and epilepsy and review the available literature on the utility of electrocorticography (ECoG) in cerebral cavernoma surgery. METHODS: We searched studies in PubMed, MedLine, Scopus, Web of Science, and Google Scholar (from January 1969 to December 2013) using the keywords "electrocorticography" or "ECoG" or "prognosis" or "outcome" and "cavernomas". Original articles that reported utility of ECoG in epilepsy surgery were included...
September 2014: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/24472685/do-certain-signal-transduction-mechanisms-explain-the-comorbidity-of-epilepsy-and-mood-disorders
#10
REVIEW
Luisa Rocha, Mario Alonso-Vanegas, Sandra Orozco-Suárez, David Alcántara-González, Humberto Cruzblanca, Elena Castro
It is well known that mood disorders are highly prevalent in patients with epilepsy. Although several studies have aimed to characterize alterations in different types of receptors associated with both disturbances, there is a lack of studies focused on identifying the causes of this comorbidity. Here, we described some changes at the biochemical level involving serotonin, dopamine, and γ-aminobutyric acid (GABA) receptors as well as signal transduction mechanisms that may explain the coexistence of both epilepsy and mood disorders...
September 2014: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/24134485/cavernoma-related-epilepsy-review-and-recommendations-for-management-report-of-the-surgical-task-force-of-the-ilae-commission-on-therapeutic-strategies
#11
REVIEW
Felix Rosenow, Mario A Alonso-Vanegas, Christoph Baumgartner, Ingmar Blümcke, Maria Carreño, Elke R Gizewski, Hajo M Hamer, Susanne Knake, Philippe Kahane, Hans O Lüders, Gary W Mathern, Katja Menzler, Jonathan Miller, Taisuke Otsuki, Cigdem Ozkara, Asla Pitkänen, Steven N Roper, Americo C Sakamoto, Ulrich Sure, Matthew C Walker, Bernhard J Steinhoff
Cerebral cavernous malformations (CCMs) are well-defined, mostly singular lesions present in 0.4-0.9% of the population. Epileptic seizures are the most frequent symptom in patients with CCMs and have a great impact on social function and quality of life. However, patients with CCM-related epilepsy (CRE) who undergo surgical resection achieve postoperative seizure freedom in only about 75% of cases. This is frequently because insufficient efforts are made to adequately define and resect the epileptogenic zone...
December 2013: Epilepsia
https://www.readbyqxmd.com/read/23906668/self-reported-quality-of-life-in-pharmacoresistant-temporal-lobe-epilepsy-correlation-with-clinical-variables-and-memory-evaluation
#12
Mario Arturo Alonso-Vanegas, José Miguel Cisneros-Franco, Carlos Castillo-Montoya, Alma Rosa Martínez-Rosas, María Esther Gómez-Pérez, Francisco Rubio-Donnadieu
AIM: This work explores the effects of clinical variables on self-reported quality of life (QoL) in pharmacoresistant temporal lobe epilepsy (TLE), correlating this information with results from the Quality of Life in Epilepsy questionnaire (QOLIE-31) and selective memory tests of the Barcelona Battery and the Rey-Osterrieth figure. METHODS: We retrospectively analysed the records of 60 TLE patients and correlated patient variables (e.g. gender, aetiology; mesial TLE with hippocampal sclerosis [HS] versus lesional TLE, side of ictal onset, age, age at onset, duration of epilepsy, seizure frequency, and use of AEDs) with selective memory test scores and self-reported QoL...
September 2013: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/23787169/periodic-epileptiform-discharges-in-mesial-temporal-lobe-epilepsy-with-hippocampal-sclerosis
#13
Daniel San-Juan, Adriana Patricia M Mayorga, Juan de Dios Del Castillo Calcáneo, Maricarmen Fernández González-Aragón, Mario Alonso-Vanegas, Carolina Domínguez Rico, Richard J Staba, David J Anschel, Andrew J Cole
PURPOSE: Periodic epileptiform discharges (PEDs) are an uncommon, abnormal EEG pattern seen usually in patients with acute diseases and less frequently in chronic conditions, such as mesial temporal lobe epilepsy (mTLE). Evaluate the clinical histories, neuroimaging findings, and serial electrophysiological studies prior to the appearance of PEDs in patients with mTLE secondary to hippocampal sclerosis (HS). METHODS: We searched 19, 375 EEGs (2006-2012) for the presence of PEDs secondary to mTLE due to HS...
November 2013: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/23265444/a-collaborative-effort-to-establish-a-comprehensive-epilepsy-program-in-peru
#14
Jorge G Burneo, Jose C Delgado, David A Steven, Carlos M Vasquez, Mario A Alonso-Vanegas, Jose E Cavazos, Lizardo Mija, Willy Zapata, Lucio Portilla
We report the achievements obtained, over a period of 4 years, by the collaborative partnering effort of the Epilepsy Program at Western University in Canada and the Instituto of Ciencias Neurologicas in Lima, Peru, building an epilepsy program in Peru.
January 2013: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/22824214/treatment-of-craniopharyngioma-in-adults-systematic-analysis-of-a-25-year-experience
#15
Raul Lopez-Serna, Juan Luis Gómez-Amador, Juan Barges-Coll, Edgar Nathal-Vera, Rogelio Revuelta-Gutiérrez, Mario Alonso-Vanegas, Miguel Ramos-Peek, Lesly Portocarrero-Ortiz
BACKGROUND AND AIMS: Craniopharyngioma is a rare and mostly benign epithelial tumor of the central nervous system, mostly affecting children. Considering that most of the published series of craniopharyngioma are based on pediatric populations, studies in adults gain importance based mainly on the reduced number of cases and the possible differences emerging from a mostly different histological type. We undertook this study to establish the pattern of presentation, morphological features and specific characteristics of craniopharyngioma in an adult Mexican population, as well as discussing the long-term outcome and how it may be influenced by surgical, anatomic and clinical factors...
July 2012: Archives of Medical Research
https://www.readbyqxmd.com/read/22520456/diffusion-tensor-imaging-in-radiosurgical-callosotomy
#16
Sergio Moreno-Jiménez, Daniel San-Juan, José M Lárraga-Gutiérrez, Miguel A Celis, Mario A Alonso-Vanegas, David J Anschel
Callosotomy by radioneurosurgery induces slow and progressive axonal degeneration of white matter fibers, a key consequence of neuronal or axonal injury (radionecrosis). However, the acute effects are not apparent when using conventional MRI techniques. Diffusion tensor imaging (DTI) during the first week following radioneurosurgical callosotomy allowed evaluation of these microstructural changes. The present report details that the use of sequential DTI to evaluate axonal degeneration following radioneurosurgical callosotomy in a patient normalized with the data of six healthy subjects...
July 2012: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/22423570/cellular-damage-markers-in-the-temporal-lobe-of-a-patient-with-dyke-davidoff-masson-syndrome
#17
M A Alonso-Vanegas, L Osorio-Rico, Juana Villeda-Hernández
We studied the cellular damage in a patient with Dyke-Davidoff-Masson Syndrome and a history of chronic temporal lobe epilepsy resistant to treatment. The epileptogenic zone was localized to the right temporal lobe, and an extensive surgical removal of the temporal neocortex plus amygdala and hippocampus was performed. The specimens were immediately frozen in liquid nitrogen and stored at -75 degrees C for biochemical studies. Specimens were immersed and fixed in freshly prepared 4% paraformaldehyde for histopathological evaluation...
2011: Proceedings of the Western Pharmacology Society
https://www.readbyqxmd.com/read/22319505/surgical-management-of-cavernous-malformations-presenting-with-drug-resistant-epilepsy
#18
Mario Arturo Alonso-Vanegas, José M Cisneros-Franco, Taisuke Otsuki
Cerebral cavernous malformations (CMs) are dynamic lesions characterized by continuous size changes and repeated bleeding. When involving cortical tissue, CMs pose a significant risk for the development of drug-resistant epilepsy, which is thought to be result of an altered neuronal network caused by the lesion itself and its blood degradation products. Preoperative evaluation should comprise a complete seizure history, neurological examination, epilepsy-oriented MRI, EEG, video-EEG, completed with SPECT, PET, functional MRI, and/or invasive monitoring as needed...
2011: Frontiers in Neurology
https://www.readbyqxmd.com/read/21964255/dopamine-abnormalities-in-the-neocortex-of-patients-with-temporal-lobe-epilepsy
#19
Luisa Rocha, Mario Alonso-Vanegas, Juana Villeda-Hernández, Mario Mújica, José Miguel Cisneros-Franco, Mario López-Gómez, Cecilia Zavala-Tecuapetla, Christian Lizette Frías-Soria, José Segovia-Vila, Anna Borsodi
Experiments were designed to evaluate different variables of the dopaminergic system in the temporal cortex of surgically treated patients with temporal lobe epilepsy (TLE) associated with mesial sclerosis (MTLE, n=12) or with cerebral tumor or lesion (n=8). In addition, we sought to identify dopaminergic abnormalities in those patients with epilepsy that had comorbid anxiety and depression. Specifically, we investigated changes in dopamine and its metabolites, D1 and D2 receptors, tyrosine hydroxylase (TH) and dopamine transporter...
January 2012: Neurobiology of Disease
https://www.readbyqxmd.com/read/21616682/the-prognostic-role-of-electrocorticography-in-tailored-temporal-lobe-surgery
#20
Daniel San-juan, Claudia Alfaro Tapia, Alfaro Tapia Claudia, Maricarmen Fernández González-Aragón, González-Aragón Fernández Maricarmen, Adriana Martínez Mayorga, Martínez Mayorga Adriana, Richard J Staba, J Staba Richard, Mario Alonso-Vanegas, Alonso-Vanegas Mario
UNLABELLED: Intraoperative electrocorticography (ECoG) has been in clinical use for many decades, yet the validity of this procedure in guiding resective surgery for temporal lobe epilepsy (TLE) is still uncertain, especially in tailored temporal lobectomies in cases of TLE with hippocampal sclerosis. METHODOLOGY: Using a case-control design combined with descriptive and comparative analyses we retrospectively evaluated two groups of patients: patients (n=20) who had tailored temporal lobectomies guided by intraoperative ECoG and patients (n=19) who had standard temporal lobectomies without ECoG...
September 2011: Seizure: the Journal of the British Epilepsy Association
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