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https://www.readbyqxmd.com/read/29137921/intraoperative-definition-of-bottom-of-sulcus-dysplasia-using-intraoperative-ultrasound-and-single-depth-electrode-recording-a-technical-note
#1
Dorothea Miller, Patrick Carney, John S Archer, Gregory J Fitt, Graeme D Jackson, Kristian J Bulluss
Bottom of sulcus dysplasias (BOSDs) are localized focal cortical dysplasias (FCDs) centred on the bottom of a sulcus that can be highly epileptogenic, but difficult to delineate intraoperatively. We report on a patient with refractory epilepsy due to a BOSD, successfully resected with the aid of a multimodal surgical approach using neuronavigation based on MRI and PET, intraoperative ultrasound (iUS) and electrocorticography (ECoG) using depth electrodes. The lesion could be visualized on iUS showing an increase in echogenicity at the grey-white matter junction...
November 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29137593/central-pontine-myelinolysis-after-living-donor-liver-transplant-a-report-of-2-cases
#2
Ya-Lan Hsu, Chia-En Hsieh, Kuo-Hua Lin, Chen-Te Chou, Ping-Yi Lin, Su-Han Wang, Yao-Li Chen
Here, we present 2 patients who developed central pontine myelinolysis after living-donor liver transplant. Both patients had abnormal sodium level before living-donor liver transplant. Patient 1 presented with severe hyponatremia on admission. After administration of 3% saline, her sodium level during the first 24 hours was kept at 100 mEq/L and then increased to 116 mEq/L during the next 24 hours. The level increased 5.8 mEq/L during the 4- to 5-hour transplant procedure. Patient 2 was admitted to the hospital with an unprovoked seizure...
November 15, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29134517/subcutaneous-ketamine-for-postoperative-pain-relief-in-rwanda-a-randomized-clinical-trial
#3
Calen Sacevich, Benjamin Semakuba, William P McKay, Shefali Thakore, Theogene Twagirumugabe, John Nyiligira
PURPOSE: Postoperative pain control is often inadequate in low-income countries such as Rwanda, prompting the search for an inexpensive improvement. A randomized controlled trial was conducted to study the use of subcutaneous ketamine for the management of postoperative pain in patients undergoing major surgery in Kigali, Rwanda. METHODS: Fifty-nine patients undergoing major abdominal, head and neck, plastic, or gynecological surgeries were studied. In addition to standard care, patients received five subcutaneous injections of ketamine 1 mg·kg(-1) (ketamine group, n = 30) or normal saline (placebo group, n = 29) during the postoperative period...
November 13, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/29131676/incidence-of-postoperative-neurologic-complications-in-pugs-following-portosystemic-shunt-attenuation-surgery
#4
Mandy L Wallace, Catriona M MacPhail, Eric Monnet
Postoperative seizures occur in 5-12% of dogs following surgical attenuation of congenital extrahepatic portosystemic shunts (CEPSS) and are often refractory to treatment. Because pugs are predisposed to necrotizing meningoencephalitis, they may be at higher risk of developing neurologic complications after CEPSS attenuation. We hypothesized that pugs have a higher prevalence of postoperative neurologic complications and that pugs who died due to neurologic complications would have evidence of encephalitis at necropsy...
November 13, 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/29130506/animal-models-of-acquired-epilepsy-insights-into-mechanisms-of-human-epileptogenesis
#5
Albert J Becker
In many patients who suffer from epilepsies, recurrent epileptic seizures do not start at birth but develop later in life. This holds particularly true for epilepsies with a focal seizure origin including focal cortical dysplasias (FCDs) and temporal lobe epilepsy (TLE). TLE most frequently has its seizure onset in the hippocampal formation. Hippocampal biopsies of pharmacoresistant TLE patients undergoing epilepsy surgery for seizure control most frequently reveal the damage pattern of hippocampal sclerosis, i...
November 12, 2017: Neuropathology and Applied Neurobiology
https://www.readbyqxmd.com/read/29128469/the-different-patterns-of-seizure-induced-aphasia-in-temporal-lobe-epilepsies
#6
Agnès Trebuchon, Isabelle Lambert, Bernard Guisiano, Aileen McGonigal, Charline Perot, Francesca Bonini, Romain Carron, Catherine Liegeois-Chauvel, Patrick Chauvel, Fabrice Bartolomei
OBJECTIVES: Ictal language disturbances may occur in dominant hemisphere temporal lobe epilepsy (TLE), but little is known about the precise anatomoelectroclinical correlations. This study investigated the different facets of ictal aphasia in intracerebrally recorded TLE. METHODS: Video-stereoelectroencephalography (SEEG) recordings of 37 seizures in 17 right-handed patients with drug-resistant TLE were analyzed; SEEG electroclinical correlations between language disturbance and involvement of temporal lobe structures were assessed...
November 8, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29126702/delay-in-pediatric-epilepsy-surgery-a-caregiver-s-perspective
#7
Alice Shen, Kara T Quaid, Brenda E Porter
The timing of epilepsy surgery is complex, and there is not a structured pathway to help families decide whether to continue medical management or pursue surgical treatment. We surveyed caregivers of pediatric epilepsy surgery patients. Fifty-eight respondents answered the majority of questions. Thirty caregivers wished their child had undergone epilepsy surgery earlier compared with twenty who felt surgery was done at the appropriate time, and eight were unsure. In retrospect, caregivers who wished their child's surgery had been performed sooner had a significantly longer duration of epilepsy prior to the surgery [44...
November 7, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29126238/seizure-outcome-after-surgical-resection-of-insular-glioma
#8
Doris D Wang, Hansen Deng, Shawn L Hervey-Jumper, Annette A Molinaro, Edward F Chang, Mitchel S Berger
BACKGROUND: A majority of patients with insular tumors present with seizures. Although a number of studies have shown that greater extent of resection improves overall patient survival, few studies have documented postoperative seizure control after insular tumor resection. OBJECTIVE: To (1) characterize seizure control rates in patients undergoing insular tumor resection, (2) identify predictors of seizure control, and (3) evaluate the association between seizure recurrence and tumor progression...
November 8, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29125946/a-stereo-eeg-study-in-a-patient-with-sleep-related-hypermotor-epilepsy-due-to-depdc5-mutation
#9
Lorenzo Ferri, Francesca Bisulli, Roberto Mai, Laura Licchetta, Chiara Leta, Lino Nobili, Barbara Mostacci, Tommaso Pippucci, Paolo Tinuper
PURPOSE: Dishevelled EGL-10 and pleckstrin domain-containing protein 5 (DEPDC5) mutations are found in a wide spectrum of focal epilepsies ranging from epilepsy caused by malformation of cortical development to non-lesional epilepsy, including sleep-related hypermotor epilepsy (SHE). A surgical approach has been anecdotally reported in patients with DEPDC5 mutations, but most of these cases had a lesional etiology. METHODS: We describe a stereo-EEG (SEEG) study in a patient with drug-resistant/non-lesional SHE...
November 4, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29117924/red-flags-in-epilepsy-surgery-identifying-the-patients-who-pay-a-high-cognitive-price-for-an-unsuccessful-surgical-outcome
#10
Sallie Baxendale, Pamela Thompson
Preoperative estimates of cognitive and seizure outcome must be as accurate as possible if the candidate is to make an informed decision about epilepsy surgery. Significant declines in memory function are reported in approximately 30% of temporal lobe surgery patients. The percentage varies according to the ways in which a postoperative deterioration is defined but since the majority of outcome studies do not take into account the patient's capacity to deteriorate if they are functioning at or close to the floor of a memory test prior to surgery, the published percentages may be an underrepresentation of the true extent of memory decline following epilepsy surgery...
November 5, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29115566/downregulation-of-microrna%C3%A2-155-by-preoperative-administration-of-valproic-acid-prevents-postoperative-seizures-by-upregulating-scn1a
#11
Zhijie Zhang, Zhenzhong Wang, Bo Zhang, Yan Liu
The risk of seizure is increased following brain surgery such as cranioplasty. Patients with seizures that are treated with valproic acid (VPA) may have a decreased risk of further seizures. To verify microRNA (miR)‑155 as a potential biomarker for the occurrence of seizures, reverse transcription quantitative polymerase chain reaction (RT‑qPCR) was used. Computational analysis and luciferase reporter assay was performed to identify the putative target of miR‑155. RT‑qPCR and western blot analyses were used to determine the expression level of miR‑155, sodium voltage‑gated channel α subunit 1 (SCN1A) mRNA and protein...
November 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29114271/organized-chronic-subdural-hematomas-treated-by-large-craniotomy-with-extended-membranectomy-as-the-initial-treatment
#12
Mustafa Balevi
Objective: The aim of this retrospective study is to evaluate the efficacy and incidence of complications of craniotomy and membranectomy in elderly patients for the treatment of organized chronic subdural hematoma (OCSH). Materials and Methods: We retrospectively reviewed a series of 28 consecutive patients suffering from OCSH, diagnosed by magnetic resonance imaging (MRI) or computer tomography (CT) to establish the degree of organization and determine the intrahematomal architecture including inner membrane ossification...
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29111591/magnetoencephalographic-imaging-of-ictal-high-frequency-oscillations-80-200%C3%A2-hz-in-pharmacologically-resistant-focal-epilepsy
#13
Jayabal Velmurugan, Srikantan S Nagarajan, Narayanan Mariyappa, Shankar G Ravi, Kandavel Thennarasu, Ravindranadh C Mundlamuri, Kenchaiah Raghavendra, Rose Dawn Bharath, Jitender Saini, Arimappamagan Arivazhagan, Jamuna Rajan, Anita Mahadevan, Malla B Rao, Parthasarathy Satishchandra, Sanjib Sinha
OBJECTIVE: Specificity of ictal high-frequency oscillations (HFOs) in identifying epileptogenic abnormality is significant, compared to the spikes and interictal HFOs. The objectives of the study were to detect and to localize ictal HFOs by magnetoencephalography (MEG) for identifying the seizure onset zone (SOZ), evaluate the cortical excitability from preictal to ictal transition, and establish HFO concordance rates with other modalities and postsurgical resection. METHODS: Sixty-seven patients with drug-resistant epilepsy had at least 1 spontaneous seizure each during MEG acquisition, and analysis was carried out on 20 seizures from 20 patients...
November 7, 2017: Epilepsia
https://www.readbyqxmd.com/read/29111296/a-neurosurgeon-s-view-laser-interstitial-thermal-therapy-of-mesial-temporal-lobe-structures
#14
Yarema B Bezchlibnyk, Jon T Willie, Robert E Gross
Stereotactic laser ablation of mesial temporal structures is a promising new surgical intervention for patients with mesial temporal lobe epilepsy (MTLE). Since this procedure was first used to treat MTLE in 2010, the literature contains reports of 37 patients that underwent MR-guided stereotactic laser amygdalohippocampotomy (SLAH) using Laser Interstitial Thermal Therapy (LITT) with at least 1year of follow-up. This early body of data suggests that SLAH is a safe and effective treatment for MTLE in properly selected patients...
October 27, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29111096/multinodular-and-vacuolating-neuronal-tumor-of-the-cerebrum-a-rare-entity-new-case-and-review-of-the-literature
#15
Lain Hermes Gonzalez-Quarante, Fernando Ruiz-Juretschke, Emma Sola Vendrell, Oscar Lucas Gil de Sagredo Del Corral, Vijay Agarwal, Roberto Garcia-Leal
BACKGROUND: Multinodular and vacuolating neuronal tumor has been recently described and included in the World Health Organization Classification of Tumors of The Central Nervous System, even though its consideration as a true tumor is controversial. Patients with these lesions usually present with refractory seizures and inconclusive imaging findings that may be confused with other more common diagnoses such as dysembryoplastic neuroepithelial tumors or low-grade gliomas. Therefore, surgical resection is warranted to reach a pathologic diagnosis and seizure control...
October 28, 2017: Neurocirugía
https://www.readbyqxmd.com/read/29106787/familial-pallister-hall-in-adulthood
#16
(no author information available yet)
Pallister Hall syndrome is autosomal dominant disorder usually diagnosed in infants and children. Current diagnostic criteria include presence of hypothalamic hamartoma, post axial polydactyly and positive family history, but the disease has variable manifestations. Herein we report Pallister Hall syndrome diagnosed in a family where both patients were adults. A 59 year old man developed seizures 4 years prior to our evaluation of him, at which time imaging showed a hypothalamic hamartoma. The seizures were controlled medically...
October 6, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/29106684/frontal-lobe-epilepsy-surgery-in-childhood-and-adolescence-predictors-of-long-term-seizure-freedom-overall-cognitive-and-adaptive-functioning
#17
Georgia Ramantani, Navah Ester Kadish, Hans Mayer, Constantin Anastasopoulos, Kathrin Wagner, Gitta Reuner, Karl Strobl, Susanne Schubert-Bast, Gert Wiegand, Armin Brandt, Rudolf Korinthenberg, Irina Mader, Vera van Velthoven, Josef Zentner, Andreas Schulze-Bonhage, Thomas Bast
BACKGROUND: Although frontal lobe resections account for one-third of intralobar resections in pediatric epilepsy surgery, there is a dearth of information regarding long-term seizure freedom, overall cognitive and adaptive functioning. OBJECTIVE: To identify outcome predictors and define the appropriate timing for surgery. METHODS: We retrospectively analyzed the data of 75 consecutive patients aged 10.0 ± 4.9 yr at surgery that had an 8...
July 5, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29105058/verbal-memory-decline-from-hippocampal-depth-electrodes-in-temporal-lobe-surgery-for-epilepsy
#18
Hanna Ljung, Arto Nordlund, Maria Strandberg, Johan Bengzon, Kristina Källén
OBJECTIVE: To explore whether patients with refractory mesial temporal lobe epilepsy risk aggravated verbal memory loss from intracranial electroencephalography (EEG) recording with longitudinal hippocampal electrodes in the language-dominant hemisphere. METHODS: A long-term neuropsychological follow-up (mean 61.5 months, range 22-111 months) was performed in 40 patients after ictal registration with left hippocampal depth electrodes (study group, n = 16) or no invasive EEG, only extracranial registration (reference group, n = 24)...
November 3, 2017: Epilepsia
https://www.readbyqxmd.com/read/29103980/extranodal-marginal-zone-lymphoma-of-the-central-nervous-system
#19
REVIEW
Adanma Ayanambakkam, Sami Ibrahimi, Khalid Bilal, Mohamad A Cherry
Extranodal marginal zone lymphoma of the central nervous system (CNS EMZBL) is a rare disease. We present a review of the literature and describe its presentation, differential diagnosis, treatment options, and outcomes. Systematic search of PubMed, Medline, and Embase databases via the Ovid engine for primary articles and case reports yielded 37 unduplicated peer-reviewed articles of CNS EMZBL. We identified 69 cases in these articles and 1 unreported case at our institution, which were included for this review's analysis...
September 23, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/29101936/propofol-frenzy-clinical-spectrum-in-3-patients
#20
Diego Z Carvalho, Ryan A Townley, Christopher M Burkle, Alejandro A Rabinstein, Eelco F M Wijdicks
Postsedation neuroexcitation is sometimes attributed to intravenous injection of the sedative-hypnotic drug propofol. The movements associated with these events have strongly suggested convulsive activity, but they rarely have been comprehensively evaluated. We present video recordings of 3 healthy young patients who underwent elective surgery under conscious sedation and emerged from sedation with transient but repetitive violent motor activity and impaired consciousness. These manifestations required considerable mobilization of multiple health care workers to protect the patient from inflicting harm...
November 2017: Mayo Clinic Proceedings
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