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Amygdalohippocampectomy

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https://www.readbyqxmd.com/read/29027858/role-of-the-temporal-pole-in-temporal-lobe-epilepsy-seizure-networks-an-intracranial-electrode-investigation
#1
Taylor J Abel, Royce W Woodroffe, Kirill V Nourski, Toshio Moritani, Aristides A Capizzano, Patricia Kirby, Hiroto Kawasaki, Matthew Howard, Mary Ann Werz
OBJECTIVE A convergence of clinical research suggests that the temporal pole (TP) plays an important and potentially underappreciated role in the genesis and propagation of seizures in temporal lobe epilepsy (TLE). Understanding its role is becoming increasingly important because selective resections for medically intractable TLE spare temporopolar cortex (TPC). The purpose of this study was to characterize the role of the TPC in TLE after using dense electrocorticography (ECoG) recordings in patients undergoing invasive monitoring for medically intractable TLE...
October 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29027855/mesial-temporal-lobe-epilepsy-long-term-seizure-outcome-of-patients-primarily-treated-with-transsylvian-selective-amygdalohippocampectomy
#2
Christian Dorfer, Thomas Czech, Susanne Aull-Watschinger, Christoph Baumgartner, Rebekka Jung, Gregor Kasprian, Klaus Novak, Susanne Pirker, Birgit Seidl, Harald Stefanits, Karin Trimmel, Ekaterina Pataraia
OBJECTIVE The aim of this study was to present long-term seizure outcome data in a consecutive series of patients with refractory mesial temporal lobe epilepsy primarily treated with transsylvian selective amygdalohippocampectomy (SAHE). METHODS The authors retrospectively analyzed prospectively collected data for all patients who had undergone resective surgery for medically refractory epilepsy at their institution between July 1994 and December 2014. Seizure outcome was assessed according to the International League Against Epilepsy (ILAE) and the Engel classifications...
October 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29017080/prognostic-significance-of-postoperative-spikes-varied-in-different-surgical-procedures-for-mesial-temporal-sclerosis
#3
Hsiang-Yu Yu, Sanford P C Hsu, Chun-Fu Lin, Yang-Hsin Shih, Der-Jen Yen, Shang-Yeong Kwan, Chien Chen, Chien-Chen Chou
PURPOSE: We conducted this study to compare the occurrence and prognostic significance of early postoperative interictal epileptiform discharges (IEDs) on seizure outcomes between corticoamygdalohippocampectomy (CAH) and selective amygdalohippocampectomy (SAH). METHODS: We reviewed our database of patients who had epilepsy surgery with hippocampus atrophy or signal changes on brain MRIs and pathology of mesial temporal sclerosis. One hundred and seventy-seven CAH and 39 SAH patients were enrolled...
October 3, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28954709/visual-field-defects-following-different-resective-procedures-for-mesiotemporal-lobe-epilepsy
#4
Barbara Schmeiser, Moritz Daniel, Evangelos Kogias, Daniel Böhringer, Karl Egger, Shan Yang, Niels Alexander Foit, Andreas Schulze-Bonhage, Bernhard Jochen Steinhoff, Josef Zentner, Wolf Alexander Lagrèze, Nikolai Johannes Gross
INTRODUCTION: One of the most common side effects of mesiotemporal lobe resection in patients with medically intractable epilepsy are visual field defects (VFD). While peripheral defects usually remain unnoticed by patients, extended VFD influence daily life activities and can, in particular, affect driving regulations. This study had been designed to evaluate frequency and extent of VFD following different surgical approaches to the mesiotemporal area with respect to the ability to drive...
September 24, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28931250/minimally-invasive-transpalpebral-endoscopic-assisted-amygdalohippocampectomy
#5
Mauricio Mandel, Eberval Gadelha Figueiredo, Suzana Abramovicz Mandel, Rafael Tutihashi, Manoel Jacobsen Teixeira
BACKGROUND: Although anterior temporal lobectomy may be a definitive surgical treatment for epileptic patients with mesial temporal sclerosis, it often results in verbal, visual, and cognitive dysfunction. Studies have consistently reported the advantages of selective procedures compared with a standard anterior temporal lobectomy, mainly in terms of neuropsychological outcomes. OBJECTIVE: To describe a new technique to perform a selective amygdalohippocampectomy (SAH) through a transpalpebral approach with endoscopic assistance...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28927701/an-epileptologist-s-view-seizure-related-outcomes-after-radiofrequency-ablation-for-mesial-temporal-lobe-epilepsy
#6
REVIEW
Zdeněk Vojtěch, Michaela Stará
In this article, we provide an overview of the reasons for the introduction of less invasive treatment modalities in the management of intractable mesial temporal lobe epilepsy (mTLE). We summarize our published research on stereotactic amygdalohippocampectomy (SAHE) and recalculate our data for the patients' last visit. In our previous work, we found that patients achieved long-term seizure-free outcomes in 70.5%. Re-analysis of results in a subgroup of patient who were diagnosed and followed-up at Epilepsy Center, Na Homolce Hospital, Prague, indicate that these outcomes are durable...
September 12, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28890320/neuropsychologist-s-re-view-resective-versus-ablative-amygdalohippocampectomies
#7
REVIEW
Juri-Alexander Witt, Christian Hoppe, Christoph Helmstaedter
Pharmacoresistant mesial temporal lobe epilepsy (mTLE) represents the major indication for epilepsy surgery. Since epilepsy surgery is an elective treatment option, preserving cognition is a high priority. Given the essential role of temporomesial structures in declarative long-term memory formation, surgical treatment for mTLE is primarily associated with a risk of material-specific memory decline, but other cognitive domains may be affected as well. The major determinants for the neuropsychological outcome are the functional integrity of surgically affected tissues, the functional reserve capacities of the remnant brain, the postoperative seizure outcome, as well as the quantitative and qualitative changes of antiepileptic drugs...
September 1, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28890011/a-secure-approach-to-the-inferior-horn-using-the-deep-medullary-vein-as-an-anatomical-guide-technical-note
#8
Kenji Ibayashi, Naoto Kunii, Kensuke Kawai, Nobuhito Saito
BACKGROUND: Safe entry to the inferior horn is required for a selective approach into the medial temporal region. However, this sometimes could be challenging for inexperienced surgeons. Our objective is to verify the usefulness of the deep medullary vein as an intraoperative landmark for safely entering the inferior horn during the transsylvian selective approach into the mesial temporal region. METHODS: Eight cases of transsylvian selective amygdalohippocampectomies (TSSAHs) performed at the University of Tokyo Hospital from 2013 to 2015 were video reviewed...
September 7, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28841472/neuropsychological-outcomes-following-stereotactic-laser-amygdalohippocampectomy
#9
Melanie R F Greenway, John A Lucas, Anteneh M Feyissa, Sanjeet Grewal, Robert E Wharen, William O Tatum
OBJECTIVE: The objective was to analyze neuropsychological testing data from 15 patients before and after stereotactic laser ablation surgery for temporal lobe epilepsy and to describe the seizure outcomes after stereotactic laser ablation surgery. METHODS: A retrospective review of 15 patients who underwent stereotactic laser ablation and who also underwent neuropsychological testing before and after surgery was performed. Verbal and visual memory was assessed in all 15 patients using California Verbal Learning Test and Wechsler Memory Scale IV...
August 22, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28752020/giant-epidermoid-cyst-a-rare-cause-of-temporal-lobe-epilepsy
#10
Vinicius Gomes Trindade, Marcos de Queiroz Teles Gomes, Marcelo Prudente do Espirito Santo, Manoel Jacobsen Teixeira, Wellingson Silva Paiva
Introduction  Epidermoid tumors represent approximately 0.3 to 1.8% of all intracranial brain tumors. Only 1.5% of all intracranial epidermoid cysts (ECs) invade the brain and secondary epilepsy is extremely rare. Since August 2014, a 59-year-old male smoker had been presenting bad smell feelings, totaling four episodes with sudden onset and duration of 2 minutes. On September 2014, after a sense of smell episode, it evolved into loss of contact and automatic movements followed by generalized tonic-clonic movements...
July 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/28656696/predictive-factors-of-long-term-outcomes-of-surgery-for-mesial-temporal-lobe-epilepsy-associated-with-hippocampal-sclerosis
#11
Bertrand Mathon, Franck Bielle, Séverine Samson, Odile Plaisant, Sophie Dupont, Anne Bertrand, Richard Miles, Vi-Huong Nguyen-Michel, Virginie Lambrecq, Ana Laura Calderon-Garcidueñas, Charles Duyckaerts, Alexandre Carpentier, Michel Baulac, Philippe Cornu, Claude Adam, Stéphane Clemenceau, Vincent Navarro
OBJECTIVE: The reasons for failure of surgical treatment for mesial temporal lobe epilepsy (MTLE) associated with hippocampal sclerosis (HS) remain unclear. This retrospective study analyzed seizure, cognitive, and psychiatric outcomes, searching for factors associated with seizure relapse or cognitive and psychiatric deterioration after MTLE-HS surgery. METHODS: Seizure, cognitive, and psychiatric outcomes were reviewed after 389 surgeries performed between 1990 and 2015 on patients aged 15-67 years at a tertiary center...
August 2017: Epilepsia
https://www.readbyqxmd.com/read/28644097/thirty-day-postoperative-morbidity-and-mortality-after-temporal-lobectomy-for-medically-refractory-epilepsy
#12
Panagiotis Kerezoudis, Brandon McCutcheon, Meghan E Murphy, Kenan R Rajjoub, Daniel Ubl, Elizabeth B Habermann, Gregory Worrell, Mohamad Bydon, Jamie J Van Gompel
OBJECTIVE Temporal lobectomy is a well-established treatment modality for the management of medically refractory epilepsy in appropriately selected patients. The aim of this study was to assess 30-day morbidity and mortality after temporal lobectomy in cases registered in a national database. METHODS A retrospective cohort analysis was conducted using a multiinstitutional surgical registry compiled between 2006 and 2014. The authors identified patients who underwent anterior temporal lobectomy and/or amygdalohippocampectomy for a primary diagnosis of intractable epilepsy...
June 23, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28595352/neuropsychology-outcomes-following-trephine-epilepsy-surgery-the-inferior-temporal-gyrus-approach-for-amygdalohippocampectomy-in-medically-refractory-mesial-temporal-lobe-epilepsy
#13
Mike R Schoenberg, William E Clifton, Ryan W Sever, Fernando L Vale
BACKGROUND: Surgery is indicated in cases of mesial temporal lobe epilepsy(MTLE) that are refractory to medical management. The inferior temporal gyrus (ITG) approach provides access to the mesial temporal lobe (MTL) structures with minimal tissue disruption. Reported neuropsychology outcomes following this approach are limited. OBJECTIVE: To report neuropsychological outcomes using an ITG approach to amygdalohippocampectomy (AH) in patients with medically refractory MTLE based on a prospective design...
June 8, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28582572/surgical-treatment-of-mesiotemporal-lobe-epilepsy-which-approach-is-favorable
#14
Barbara Schmeiser, Kathrin Wagner, Andreas Schulze-Bonhage, Irina Mader, Anne-Sophie Wendling, Bernhard Jochen Steinhoff, Marco Prinz, Christian Scheiwe, Astrid Weyerbrock, Josef Zentner
BACKGROUND: Mesiotemporal lobe epilepsy is one of the most frequent causes for pharmacoresistant epilepsy. Different surgical approaches to the mesiotemporal area are used. OBJECTIVE: To analyze epileptological and neuropsychological results as well as complications of different surgical strategies. METHODS: This retrospective study is based on a consecutive series of 458 patients all harboring pharmacoresistant mesiotemporal lobe epilepsy...
June 2, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28580377/optimization-of-curvilinear-needle-trajectories-for-transforamenal-hippocampotomy
#15
David B Comber, E Bryn Pitt, Hunter B Gilbert, Matthew W Powelson, Emily Matijevich, Joseph S Neimat, Robert J Webster, Eric J Barth
BACKGROUND: The recent development of MRI-guided laser-induced thermal therapy (LITT) offers a minimally invasive alternative to craniotomies performed for tumor resection or for amygdalohippocampectomy to control seizure disorders. Current LITT therapies rely on linear stereotactic trajectories that mandate twist-drill entry into the skull and potentially long approaches traversing healthy brain. The use of robotically-driven, telescoping, curved needles has the potential to reduce procedure invasiveness by tailoring trajectories to the curved shape of the ablated structure and by enabling access through natural orifices...
February 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28566958/cognitive-outcome-after-surgery-in-patients-with-mesial-temporal-lobe-epilepsy
#16
Günay Gül, Demet Yandim Kuşcu, Mesude Özerden, Melek Kandemir, Fulya Eren, Bekir Tuğcu, Cahit Keskinkiliç, Nalan Kayrak, Dursun Kirbaş
INTRODUCTION: The aim of the present study was to evaluate the neuropsychological outcomes of patients with medically intractable unilateral mesial temporal lobe epilepsy (MTLE) due to hippocampal sclerosis (HS) treated either by anterior temporal lobectomy (ATL) or selective amygdalohippocampectomy (SAH). METHODS: This was a retrospective study where 67 patients who had undergone surgery for MTLE were evaluated. Thirty-two patients underwent ATL and 35 underwent SAH...
March 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/28501875/five-year-neuropsychological-outcome-after-stereotactic-radiofrequency-amygdalohippocampectomy-for-mesial-temporal-lobe-epilepsy-longitudinal-study
#17
Lenka Krámská, Zdeněk Vojtěch, Jiří Lukavský, Michaela Stará, Hana Malíková
PURPOSE: To assess the neuropsychological performance recoded over a period of 5 years after stereotactic radiofrequency amygdalohippocampectomy (SAHE) in the treatment of mesial temporal lobe epilepsy. MATERIAL AND METHODS: Thirty patients (mean age 38 years, 14 females/16 males) were included in this study. Twenty-one patients were treated on the left side, 9 on the right. Patients underwent neuropsychological evaluation by the Wechsler Adult Intelligence Scale-Revised and the Wechsler Memory Scale-Revised preoperatively and 5 years after SAHE...
2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28482271/usefulness-of-stereoeeg-based-tailored-surgery-for-medial-temporal-lobe-epilepsy-preliminary-results-in-11-patients
#18
Yuichi Kubota, Taku Ochiai, Tomokatsu Hori, Takakazu Kawamata
OBJECTIVE: Surgical options for medial temporal lobe epilepsy (MTLE) include anterior temporal lobectomy (ATL) and selective amygdalohippocampectomy (SAH). Optimal criteria for choosing the appropriate surgical approach remain uncertain. This article reports 11 consecutive cases in which electrophysiological findings of stereoelectroencephalography (SEEG) were used to determine the optimal surgical approach. PATIENTS AND METHODS: Eleven consecutive patients with MTLE underwent SEEG evaluation and were placed in either the medial or the medial+lateral group based on the findings...
July 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28434957/amygdalohippocampectomy-via-the-lateral-extended-transsphenoidal-endoscopic-approach-through-the-pterygopalatine-fossa-an-anatomic-study
#19
Pavel Kalinin, Oleg Sharipov, Maxim Kutin, Dmitry Fomichev, Andreis Gavrjushin, Georgiy Polev, Yevgeny Shults, Klementina Avdeeva
BACKGROUND: The lateral extended transsphenoidal endoscopic approach (LETEA) is used to remove tumors located lateral to the cavernous segment of the internal carotid artery under direct visual control and provides access to Meckel cave, pterygopalatine fossa, medial part of the middle cranial fossa, and orbit. We describe an extended transsphenoidal approach to the amygdalohippocampectomy through the pterygopalatine fossa. METHODS: The LETEA to the middle cranial fossa through the pterygopalatine fossa was studied on 3 injected human cadavers at the Burdenko Neurosurgery Institute in Moscow, Russia...
July 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28389411/complications-after-surgery-for-mesial-temporal-lobe-epilepsy-associated-with-hippocampal-sclerosis
#20
Bertrand Mathon, Vincent Navarro, Franck Bielle, Vi-Huong Nguyen-Michel, Alexandre Carpentier, Michel Baulac, Philippe Cornu, Claude Adam, Sophie Dupont, Stéphane Clemenceau
BACKGROUND: Hippocampal sclerosis is the most common cause of drug-resistant epilepsy amenable for surgical treatment and seizure control. This study aimed to analyze morbidities related to surgery of mesial temporal lobe epilepsy associated with hippocampal sclerosis and to identify possible risk factors for complications. METHODS: A retrospective analysis of postoperative complications was made for 389 operations performed between 1990 and 2015 on patients aged 15-67 years (mean 36...
June 2017: World Neurosurgery
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