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Amygdalohippocampectomy

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https://www.readbyqxmd.com/read/28434957/amygdalohippocampectomy-via-the-lateral-extended-transsphenoidal-endoscopic-approach-through-the-pterygopalatine-fossa-anatomic-study
#1
Pavel Kalinin, Oleg Sharipov, Maxim Kutin, Dmitry Fomichev, Andreis Gavrjushin, Georgiy Polev, Yevgeny Shults, Klementina Avdeeva
No abstract text is available yet for this article.
April 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28389411/complications-after-surgery-for-mesial-temporal-lobe-epilepsy-associated-with-hippocampal-sclerosis
#2
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 to 67 years (mean 36...
April 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28386927/microsurgical-techniques-in-temporal-lobe-epilepsy
#3
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
#4
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
#5
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
#6
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...
March 22, 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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/27897304/-the-role-of-diffusion-tensor-imaging-in-the-pre-surgical-study-of-temporal-lobe-epilepsy
#13
M A Garcia-Pallero, C V Torres, R Manzanares-Soler, E Camara, R G Sola
INTRODUCTION: Diffusion tensor imaging (DTI) is a non-invasive technique that can be used to assess the integrity of the white matter in the brain. AIMS: To investigate the usefulness of DTI in patients with temporal lobe epilepsy (TLE) and to observe its relationship with lateralisation of the epileptogenic focus in these patients. PATIENTS AND METHODS: We analysed 11 patients diagnosed with TLE in accordance with the pre-surgical protocol of our epilepsy unit, and who were seizure-free two years after performing a temporal lobectomy plus amygdalohippocampectomy (Spencer technique)...
December 16, 2016: Revista de Neurologia
https://www.readbyqxmd.com/read/27861328/laser-interstitial-thermal-therapy-for-mesial-temporal-lobe-epilepsy
#14
Robert T Wicks, Walter J Jermakowicz, Jonathan R Jagid, Daniel E Couture, Jon T Willie, Adrian W Laxton, Robert E Gross
Approximately one-third of patients with epilepsy do not achieve adequate seizure control through medical management alone. Mesial temporal lobe epilepsy (MTLE) is one of the most common forms of medically refractory epilepsy referred for surgical management. Stereotactic laser amygdalohippocampotomy using magnetic resonance-guided laser interstitial thermal therapy (MRg-LITT) is an important emerging therapy for MTLE. Initial published reports support MRg-LITT as a less invasive surgical option with a shorter hospital stay and fewer neurocognitive side effects compared with craniotomy for anterior temporal lobectomy with amygdalohippocampectomy and selective amygdalohippocampectomy...
December 2016: Neurosurgery
https://www.readbyqxmd.com/read/27677727/neuropsychological-performance-and-seizure-control-after-subsequent-anteromesial-temporal-lobe-resection-following-selective-amygdalohippocampectomy
#15
Thomas Sauvigny, Katja Brückner, Lasse Dührsen, Oliver Heese, Manfred Westphal, Stefan R G Stodieck, Tobias Martens
OBJECTIVE: Selective amygdalohippocampectomy (sAHE) is a well-established treatment for temporal lobe epilepsy, commonly with favorable neuropsychological outcome. Yet, it is still unknown if subsequent resection of the anteromesial temporal lobe (AMTLR), when necessary, deteriorates neuropsychological performance in this selected group of patients. Thus, we evaluated the clinical and neuropsychological data of patients who, due to insufficient seizure control after sAHE, received a subsequent ipsilateral AMTLR and compared these findings with patients who did not receive a second resection (control group)...
November 2016: Epilepsia
https://www.readbyqxmd.com/read/27561188/clinical-and-electrophysiological-findings-in-mesial-temporal-lobe-epilepsy-with-hippocampal-sclerosis-based-on-the-recent-histopathological-classifications
#16
F Irsel Tezer, Farid Xasiyev, Figen Soylemezoglu, Burcak Bilginer, Kader Karli Oguz, Serap Saygi
BACKGROUND: Hippocampal sclerosis (HS) is a common pathology in MTLE, patients may show different surgical outcomes and clinical features. The 2013 ILAE classification subdivides HS into 3 types (HS type 1: severe neuronal loss and gliosis predominantly in CA1 and CA4 regions; - HS type 2: CA1 predominant; HS type 3: CA4 predominant) and includes "gliosis only, as no-HS". The association of clinical and electrophysiological findings with different HS types has not been reported previously in detail...
November 2016: Epilepsy Research
https://www.readbyqxmd.com/read/27552380/the-predictive-value-of-fdg-pet-with-3d-ssp-for-surgical-outcomes-in-patients-with-temporal-lobe-epilepsy
#17
Takuma Higo, Hidenori Sugano, Madoka Nakajima, Kostadin Karagiozov, Yasushi Iimura, Masaru Suzuki, Kiyoshi Sato, Hajime Arai
PURPOSE: We retrospectively evaluated the diagnostic value of (18)F-2-fluorodeoxy-d-glucose positron emission tomography (FDG-PET) with statistical analysis for the foci detection and predictive utility for postsurgical seizure outcome of patients with mesial temporal lobe epilepsy (mTLE). METHOD: We evaluated 40 patients who were diagnosed mTLE and underwent selective amygdalohippocampectomy (SAH) or anterior temporal lobectomy (ATL) in our institute. Preoperative interictal FDG-PET with statistical analysis using three-dimensional stereotactic surface projection (3D-SSP) was detected with several clinical data including seizure semiology, MRI, scalp electroencephalography, surgical procedure with SAH or ATL and postsurgical outcome...
October 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27499121/transcortical-selective-amygdalohippocampectomy-technique-through-the-middle-temporal-gyrus-revisited-an-anatomical-study-laboratory-investigation
#18
Baran Bozkurt, Ricardo da Silva Centeno, Feres Chaddad-Neto, Marcos Devanir Silva da Costa, Marcelo Augusto Acosta Goiri, Ali Karadag, Bekir Tugcu, Talat Cem Ovalioglu, Necmettin Tanriover, Serdar Kaya, Kaan Yagmurlu, Andrew Grande
The anterior temporal lobectomy (ATL) and selective amygdalohippocampectomy (SelAH) have been used for surgical treatment of mesial temporal lobe epilepsy. We examined the comprehensive white matter tract anatomy of the temporal lobe to gain an insight into the trans-middle temporal gyrus, a lateral approach which has been commonly used. The transmiddle temporal gyrus approach was performed in a stepwise manner on cadaveric human heads to examine the traversing white matter pathways through it and the structures located in the temporal horn...
December 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27399521/323%C3%A2-the-role-of-the-temporal-pole-in-temporal-lobe-seizure-networks-an-intracranial-electrode-investigation
#19
Taylor J Abel, Royce Woodroffe, Toshio Moritani, Patricia Kirby, Matthew A Howard, Hiroto Kawasaki, Mary Ann Werz
INTRODUCTION: 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 the role of the TP in TLE is becoming increasingly important because selective surgical resections for medically intractable TLE spare TP cortex. The purpose of this study is to characterize the role of temporopolar cortex in TLE using dense electrocorticographic (ECoG) recordings of the TP in patients undergoing invasive monitoring for medically intractable TLE...
August 2016: Neurosurgery
https://www.readbyqxmd.com/read/27394376/progressive-contralateral-hippocampal-atrophy-following-surgery-for-medically-refractory-temporal-lobe-epilepsy
#20
Cameron A Elliott, Donald W Gross, B Matt Wheatley, Christian Beaulieu, Tejas Sankar
OBJECTIVE: Determine the extent and time course of volumetric changes in the contralateral hippocampus following surgery for medically refractory temporal lobe epilepsy (TLE). METHODS: Serial T1-weighted MRI brain scans were obtained in 26 TLE patients pre- and post-temporal lobe epilepsy surgery as well as in 12 control subjects of similar age. Patients underwent either anterior temporal lobectomy (ATL) or selective amygdalohippocampectomy (SAH). Blinded, manual hippocampal volumetry (head, body, and tail) was performed in two groups: 1) two scan group [ATL (n=6); SAH (n=10)], imaged pre-surgery and on average at 5...
September 2016: Epilepsy Research
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