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Amygdalohippocampectomy

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https://www.readbyqxmd.com/read/28656696/predictive-factors-of-long-term-outcomes-of-surgery-for-mesial-temporal-lobe-epilepsy-associated-with-hippocampal-sclerosis
#1
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...
June 28, 2017: Epilepsia
https://www.readbyqxmd.com/read/28644097/thirty-day-postoperative-morbidity-and-mortality-after-temporal-lobectomy-for-medically-refractory-epilepsy
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
https://www.readbyqxmd.com/read/28386927/microsurgical-techniques-in-temporal-lobe-epilepsy
#11
REVIEW
Mario A Alonso Vanegas, Sean M Lew, Michiharu Morino, Stenio A Sarmento
Temporal lobe resection is the most prevalent epilepsy surgery procedure. However, there is no consensus on the best surgical approach to treat temporal lobe epilepsy. Complication rates are low and efficacy is very high regarding seizures after such procedures. However, there is still ample controversy regarding the best surgical approach to warrant maximum seizure control with minimal functional deficits. We describe the most frequently used microsurgical techniques for removal of both the lateral and mesial temporal lobe structures in the treatment of medically intractable temporal lobe epilepsy (TLE) due to mesial temporal sclerosis (corticoamygdalohippocampectomy and selective amygdalohippocampectomy)...
April 2017: Epilepsia
https://www.readbyqxmd.com/read/28362965/transsylvian-selective-amygdalohippocampectomy-for-mesiotemporal-epilepsy-experience-with-162-procedures
#12
Barbara Schmeiser, Kathrin Wagner, Andreas Schulze-Bonhage, Christian Erich Elger, Bernhard Jochen Steinhoff, Anne-Sophie Wendling, Irina Mader, Marco Prinz, Christian Scheiwe, Josef Zentner
BACKGROUND: Mesial temporal lobe epilepsy (MTLE) is one of the most common forms of epilepsy refractory to medical therapy. Among different surgical approaches, selective amygdalohippocampectomy has gained increasing interest for its rationale of isolated removal of the epileptogenic mesiotemporal area. OBJECTIVE: To summarize our experience with surgical treatment of MTLE in 162 patients using the transsylvian approach and to analyze possible effects of length of hippocampal resection and postoperative gliosis on seizure and cognitive outcome...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28342319/absolute-spike-frequency-as-a-predictor-of-surgical-outcome-in-temporal-lobe-epilepsy
#13
Ly Ngo, Michael R Sperling, Christopher Skidmore, Scott Mintzer, Maromi Nei
PURPOSE: Frequent interictal epileptiform abnormalities may correlate with poor prognosis after temporal lobe resection for refractory epilepsy. To date, studies have focused on limited resections such as selective amygdalohippocampectomy and apical temporal lobectomy without hippocampectomy. However, it is unclear whether the frequency of spikes predicts outcome after standard anterior temporal lobectomy. METHOD: Preoperative scalp video-EEG monitoring data from patients who subsequently underwent anterior temporal lobectomy over a three year period and were followed for at least one year were reviewed for the frequency of interictal epileptiform abnormalities...
April 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28324881/optic-radiation-tractography-and-visual-field-deficits-in-laser-interstitial-thermal-therapy-for-amygdalohippocampectomy-in-patients-with-mesial-temporal-lobe-epilepsy
#14
Dali Yin, John A Thompson, Cornelia Drees, Steven G Ojemann, Lidia Nagae, Victoria S Pelak, Aviva Abosch
BACKGROUND/AIMS: Laser interstitial thermal therapy (LITT) has become an alternative to open-resective surgery for refractory mesial temporal lobe epilepsy (MTLE). Occurrence of visual field defects (VFDs) following open surgery for MTLE is reported at 52-100%. We examined the rate of VFDs following LITT for amygdalohippocampectomy (AHE) and correlated the occurrence of VFDs with damage to the optic radiations, assessed by diffusion tensor tractography (DTI). METHODS: We performed a retrospective analysis of 5 patients who underwent LITT-AHE for medically refractory MTLE...
2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28306691/predictive-value-of-electrocorticography-in-patients-with-mesial-temporal-lobe-epilepsy-undergoing-selective-amygdalohippocampectomy
#15
Aline Herlopian, Bashir Shihabuddin
PURPOSE: The utility of intraoperative electrocorticography has been reported in predicting seizure outcome in patients with mesial temporal lobe epilepsy due to mesial temporal sclerosis (MTS) undergoing standard temporal lobectomy. Three studies reported the predictive outcome in patients with MTS undergoing selective amygdalohippocampectomy (sAHE). We evaluate the predictive value of the intraoperative electrocorticography in postoperative outcome in patients with mesial temporal lobe epilepsy secondary to MTS undergoing sAHE...
March 16, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28124054/metal-maps-of-sclerotic-hippocampi-of-patients-with-mesial-temporal-lobe-epilepsy
#16
Miloš Opačić, Aleksandar J Ristić, Danijela Savić, Vid Simon Šelih, Marko Živin, Dragoslav Sokić, Savo Raičević, Vladimir Baščarević, Ivan Spasojević
The loss of metal homeostasis has been implicated in the pathophysiology of mesial temporal lobe epilepsy associated with hippocampal sclerosis (mTLE-HS). Here we applied laser ablation inductively coupled plasma mass spectrometry imaging to establish the spatial distribution of Zn, Fe, Cu and Mn in coronal sections of hippocampi of four patients with drug-resistant mTLE-HS who underwent amygdalohippocampectomy. Detailed maps of the metal concentrations in the different morphological areas/layers were built and analyzed...
January 26, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28067149/navigation-assisted-trans-inferotemporal-cortex-selective-amygdalohippocampectomy-for-mesial-temporal-lobe-epilepsy-preserving-the-temporal-stem
#17
Haruhiko Kishima, Amami Kato, Satoru Oshino, Naoki Tani, Tomoyuki Maruo, Hui Ming Khoo, Takufumi Yanagisawa, Kotaro Edakawa, Maki Kobayashi, Masataka Tanaka, Koichi Hosomi, Masayuki Hirata, Toshiki Yoshimine
OBJECTIVE: Selective amygdalohippocampectomy (SAH) can be used to obtain satisfactory seizure control in patients with mesial temporal lobe epilepsy (MTLE). Several SAH procedures have been reported to achieve satisfactory outcomes for seizure control, but none yield fully satisfactory outcomes for memory function. We hypothesized that preserving the temporal stem might play an important role. To preserve the temporal stem, we developed a minimally invasive surgical procedure, 'neuronavigation-assisted trans-inferotemporal cortex SAH' (TITC-SAH)...
March 2017: Neurological Research
https://www.readbyqxmd.com/read/28043058/epilepsy-surgery-in-drug-resistant-temporal-lobe-epilepsy-associated-with-neuronal-antibodies
#18
Mar Carreño, Christian G Bien, Ali A Asadi-Pooya, Michael Sperling, Petr Marusic, Martin Elisak, Jose Pimentel, Tim Wehner, Rajiv Mohanraj, Juan Uranga, Asier Gómez-Ibáñez, Vicente Villanueva, Francisco Gil, Antonio Donaire, Nuria Bargalló, Jordi Rumià, Pedro Roldán, Xavier Setoain, Luis Pintor, Teresa Boget, Eva Bailles, Mercè Falip, Javier Aparicio, Josep Dalmau, Francesc Graus
We assessed the outcome of patients with drug resistant epilepsy and neuronal antibodies who underwent epilepsy surgery. Retrospective study, information collected with a questionnaire sent to epilepsy surgery centers. Thirteen patients identified, with antibodies to GAD (8), Ma2 (2), Hu (1), LGI1 (1) or CASPR2 (1). Mean age at seizure onset: 23 years. Five patients had an encephalitic phase. Three had testicular tumors and five had autoimmune diseases. All had drug resistant temporal lobe epilepsy (median: 20 seizures/month)...
January 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28031219/preoperative-automated-fibre-quantification-predicts-postoperative-seizure-outcome-in-temporal-lobe-epilepsy
#19
Simon S Keller, G Russell Glenn, Bernd Weber, Barbara A K Kreilkamp, Jens H Jensen, Joseph A Helpern, Jan Wagner, Gareth J Barker, Mark P Richardson, Leonardo Bonilha
Approximately one in every two patients with pharmacoresistant temporal lobe epilepsy will not be rendered completely seizure-free after temporal lobe surgery. The reasons for this are unknown and are likely to be multifactorial. Quantitative volumetric magnetic resonance imaging techniques have provided limited insight into the causes of persistent postoperative seizures in patients with temporal lobe epilepsy. The relationship between postoperative outcome and preoperative pathology of white matter tracts, which constitute crucial components of epileptogenic networks, is unknown...
January 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/27997922/continuous-intraoperative-monitoring-of-temporal-lobe-epilepsy-surgery
#20
Rémi Tyrand, Shahan Momjian, Claudio Pollo, Christopher Lysakowski, Agustina M Lascano, Serge Vulliémoz, Karl Schaller, Colette Boëx
BACKGROUND/AIMS: The monitoring of interictal epileptiform discharge rates (IEDRs) all along anterior temporal lobe resections (ATLRs) has never been reported. Here the effect of ATLR on continuous IEDR monitoring is described. METHODS: IEDRs computed automatically during entire interventions were recorded in 34 patients (38.2%, 13/34 depth; 61.8%, 21/34 scalp electrodes only). Monitorings were invalidated when burst suppression occurred or if initial IEDRs were <5...
2016: Stereotactic and Functional Neurosurgery
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