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Cognition and neurosurgery

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https://www.readbyqxmd.com/read/28424390/-area-10-38-prospective-functions-in-ba10-and-semantic-hub-in-ba38
#1
Satoshi Umeda
This paper reviews the structural specificities and functional roles in Brodmann areas 10 and 38. A number of studies have focused on both areas through various approaches including neuropsychology, neuroimaging, psychiatry, neurology, and neurosurgery. Both areas 10 and 38 may have a substantially very complex higher-order cognitive functions, which are quite hard to disentangle. Here, I picked up some fundamental perspectives for reviewing previous studies, to provide efficient research orientations for the elucidation of functions in both areas...
April 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28414666/just-a-puff-of-smoke
#2
A Leonard
CASE: A 44 year old woman with a history of stroke s/p aneurysm clipping, seizure, and substance abuse was brought to the hospital after a family member received a call from her friend saying she was acting unusual and may have had a seizure while hanging out on the street. At her baseline, she needed modest assistance in daily activities after her CVA and conversed without issue. Her mother died of a stroke. On exam the patient was afebrile, normotensive with mild tachycardia to 110...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28376692/neuroversion-using-electroconvulsive-therapy-as-a-bridge-to-deep-brain-stimulation-implantation
#3
Nolan R Williams, Greg Sahlem, Jaspreet Pannu, Istvan Takacs, Baron Short, Gonzalo Revuelta, Mark S George
Parkinson's disease (PD) is a movement disorder with significant neuropsychiatric comorbidities. Electroconvulsive therapy (ECT) is effective in treating these neuropsychiatric symptoms; however, clinicians are reluctant to use ECT in patients with deep brain stimulation (DBS) implantations for fear of damaging the device, as well as potential cognitive side effects. Right unilateral ultra-brief pulse (RUL UBP) ECT has a more favorable cognitive side-effect profile yet has never been reported in PD patients with DBS implants...
February 2017: Neurocase
https://www.readbyqxmd.com/read/28263047/mapping-the-connectome-in-awake-surgery-for-gliomas-an-update
#4
Hugues Duffau
The traditional principle underlying oncological neurosurgery is to remove a tumor mass displacing the brain in order to increase survival. Recently, advances in connectomics enabled an improved understanding of cerebral processing, and led to a paradigmatic shift in tumor surgery based upon interactions between neurooncology and cognitive neurosciences. First, glioma is not a focal tumor invaginated within the parenchyma but a diffuse neoplastic disease migrating in the brain. This concept resulted in a new surgical ideology, i...
March 6, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28236597/cognitive-change-1-year-after-cea-or-cas-compared-with-medication
#5
Junko Watanabe, Toshiyasu Ogata, Toshio Higashi, Tooru Inoue
BACKGROUND: Whether improvement of cognitive function can be maintained remains controversial. AIMS: This study aimed to investigate cognitive changes between before carotid endarterectomy (CEA) or carotid artery stenting (CAS) and 1 year after intervention using cognitive evaluation tools. METHODS: Patients suspected as having carotid stenosis were prospectively registered for evaluation of cognitive function from October 2011 to December 2013 in the Department of Neurosurgery, Fukuoka University Hospital...
February 21, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28169349/dynamic-hub-load-predicts-cognitive-decline-after-resective-neurosurgery
#6
Ellen W S Carbo, Arjan Hillebrand, Edwin van Dellen, Prejaas Tewarie, Philip C de Witt Hamer, Johannes C Baayen, Martin Klein, Jeroen J G Geurts, Jaap C Reijneveld, Cornelis J Stam, Linda Douw
Resective neurosurgery carries the risk of postoperative cognitive deterioration. The concept of 'hub (over)load', caused by (over)use of the most important brain regions, has been theoretically postulated in relation to symptomatology and neurological disease course, but lacks experimental confirmation. We investigated functional hub load and postsurgical cognitive deterioration in patients undergoing lesion resection. Patients (n = 28) underwent resting-state magnetoencephalography and neuropsychological assessments preoperatively and 1-year after lesion resection...
February 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28159330/neurosurgery-of-the-future-deep-brain-stimulations-and-manipulations
#7
Stylianos Nicolaidis
Important advances are afoot in the field of neurosurgery-particularly in the realms of deep brain stimulation (DBS), deep brain manipulation (DBM), and the newly introduced refinement "closed-loop" deep brain stimulation (CLDBS). Use of closed-loop technology will make both DBS and DBM more precise as procedures and will broaden their indications. CLDBS utilizes as feedback a variety of sources of electrophysiological and neurochemical afferent information about the function of the brain structures to be treated or studied...
April 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27858384/efficacy-of-lumboperitoneal-shunting-in-patients-with-normal-pressure-hydrocephalus
#8
Mehmet Akif Bayar, Ayhan Tekiner, Haydar Celik, Ali Yilmaz, Guner Menekse, Timur Yildirim, Fatih Alagoz, Yahya Guvenc, Yavuz Erdem
AIM: To evaluate the effectiveness of lumboperitoneal shunt procedures in the treatment of normal pressure hydrocephalus Material and Methods: A medical record review was conducted to obtain demographic, clinical, laboratory data, as well as pre-, intra, -post-operative details of 65 patients who underwent lumboperitoneal shunt surgery between January 1, 2001 and January 1, 2014 in the Neurosurgery Clinics of Ankara Training and Research Hospital and Ankara Numune Hospital. RESULTS: At about 3 months after LP shunt surgery, the complaint of headache resolved in almost all patients; at the end of the first year, while statistically significant improvements were noted in the Modified Rankin Scores and Mini Mental Test Scores, gait disturbance, urinary incontinence and cognitive functions improved by 86%, 72% and 65% of the patients, respectively...
October 14, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27833756/presurgical-assessment-of-cognitive-function-in-pediatric-brain-tumor-patients-feasibility-and-initial-findings
#9
Jennifer C Thigpen, Matthew Pearson, Kristen E Robinson, Charissa Andreotti, Jennifer P Dunbar, Kelly H Watson, Leandra Dejardins, Lindsay Holmes, Rebecca Byram, Claire Fraley, Bruce E Compas
BACKGROUND: Establishing a presurgical baseline of neurocognitive functioning for pediatric brain tumor patients is a high priority to identify level of functioning prior to medical interventions. However, few studies have obtained adequate samples of presurgery assessments. METHODS: This study examines the feasibility of completing tests to assess pre-surgical neurocognitive functioning in 59 identified pediatric brain tumor patients. RESULTS: Eighty-five percent of patients (n = 50) were referred by the neurosurgery team before surgery and 83% of patients (n = 49) enrolled in the study...
December 2016: Neuro-oncology Practice
https://www.readbyqxmd.com/read/27792692/-white-matter-hyperintensities-and-cognitive-function-in-patients-with-late-onset-mania
#10
Jesús Ramírez-Bermúdez, Roger Carrillo-Mezo, Carmen Atriano, Dora Sánchez, Óscar Marrufo-Meléndez, Cecilia Berlanga, Adilia Guadamuz, Jesús Taboada, Camilo Ríos
Bipolar disorder is characterized by affective episodes in the mania-depression spectrum. Ninety per cent of the cases have an onset before age 50. In the patients with late onset mania, white matter hyperintensities (WMH) may be seen in the MRI FLAIR sequence, although these are of uncertain significance. A case-control study was done, including patients with late onset mania attended at the National Institute of Neurology and Neurosurgery, as well as healthy controls which were paired by age, sex, and academic level...
September 2016: Gaceta Médica de México
https://www.readbyqxmd.com/read/27746701/regional-versus-general-anaesthesia-for-improved-cognitive-function-after-procedures-other-than-cardiac-surgery-or-neurosurgery-in-adult-and-paediatric-patients
#11
Michael H Andreae, Arthur Atchabahian, Aileen M McCrillis, Jerry Y Chao, Suzuko Suzuki, Shlomo Shinnar, Charles B Hall, Richard B Lipton
This is the protocol for a review and there is no abstract. The objectives are as follows: The objective of this review is to compare the effects of regional versus general anaesthesia on cognitive function after procedures other than cardiac surgery or neurosurgery in adult and in paediatric patients.
2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27695540/comprehension-and-compliance-with-the-discharge-advice-and-quality-of-life-at-home-among-the-postoperative-neurosurgery-patients-discharged-from-pgimer-chandigarh-india
#12
Vishal Kumar, Amarjeet Singh, Manoj K Tewari, Sukhpal Kaur
PROBLEM STATEMENT: Neurosurgical patients require special care not only in the hospital but also after their discharge from the hospital. Comprehension and compliance to the instructions given by the doctors/nurses at the time of discharge is important in home care of these patients. Many such patients suffer from various co-morbidities. Variable periods of convalescence affect health-related quality of life in these patients. PURPOSE OF THE STUDY: To determine the degree of compliance of neurosurgery patients and their family caregivers with the discharge advice given by the consultantsTo evaluate the quality of life of these patientsTo know the problems faced by these patients at home...
October 2016: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/27686504/intraventricular-meningiomas-a-series-of-42-patients-at-a-single-institution-and-literature-review
#13
Danica Grujicic, Luigi Maria Cavallo, Teresa Somma, Rosanda Illic, Mihailo Milicevic, Savo Raicevic, Milica Skender Gazibara, Alessandro Villa, Dragan Savic, Domenico Solari, Paolo Cappabianca
BACKGROUND: Primary intraventricular meningiomas (IVMs) make up 0.5%-5% of all intracranial meningiomas and represent one of the most challenging lesions in neurosurgery. METHODS: Between 1990 and 2013, 42 patients (30 female, 12 male; mean age, 43.6 years) underwent resection of their IVM. The removal was performed by a posterior parietal approach in 19 of the 40 lateral ventricle tumors, and 1 third ventricle meningioma. The transcallosal approach was used for 3 meningiomas, and patients with other lesions underwent temporal (7 cases) and temporoparietal approaches (12 patients), respectively...
January 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27676667/subtle-sensory-abnormalities-detected-by-quantitative-sensory-testing-in-patients-with-trigeminal-neuralgia
#14
Herta Flor, Dirk Rasche, Ariyan Pirayesh Islamian, Claudia Rolko, Pinar Yilmaz, Marc Ruppolt, H Holger Capelle, Volker Tronnier, Joachim K Krauss
BACKGROUND: Trigeminal neuralgia (TN) is characterized by paroxysmal pain attacks affecting the somatosensory distributions of the trigeminal nerve. It is thought to be associated with a neurovascular conflict most frequently, but pathomechanisms have not been fully elucidated. In general, no sensory deficit is found in routine clinical examination. There is limited data available, however, showing subtle subclinical sensory deficits upon extensive testing. OBJECTIVE: We used quantitative sensory testing (QST) to detect abnormalities in sensory processing in patients with TN by comparing the affected and non-affected nerve branches with their contralateral counterparts and by comparing the results of the patients with those of controls...
September 2016: Pain Physician
https://www.readbyqxmd.com/read/27659835/preoperative-neurocognitive-evaluation-as-a-predictor-of-brain-tumor-grading-in-pediatric-patients-with-supratentorial-hemispheric-tumors
#15
D Chieffo, Gianpiero Tamburrini, P Frassanito, V Arcangeli, M Caldarelli, C Di Rocco
OBJECTIVE: The objective of the present study was to retrospectively evaluate the relationship between tumor grading and a selective evaluation of neurocognitive and behavioral functions in children with supratentorial hemispheric brain tumors. METHODS: Children admitted with a diagnosis of supratentorial hemispheric tumors involving the cerebral hemispheres or the thalamus at the Pediatric Neurosurgery Unit of the Catholic University of Rome between January 2008 and January 2014 were considered for the present study...
October 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27637646/intracranial-and-spinal-dural-arterio-venous-fistula-davf-a-surgical-series-of-107-patients
#16
Alessandro Bertuccio, Chiara Robba, Giannantonio Spena, Pietro Primo Versari
INTRODUCTION: Dural arteriovenous fistulas (DAVFs) is a challenging condition in vascular neurosurgery. Development of new endovascular techniques has progressively modified treatment strategies; however, surgery is still considered a valid option of treatment of this pathology. MATERIALS AND METHODS: From a retrospective analysis of our database, we selected 107 patients who underwent surgical treatment for DAVFs. Patients were grouped into five categories according to the Borden and Cognard classifications...
2016: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/27593685/early-brain-injury-or-vasospasm-an-overview-of-common-mechanisms
#17
Basak Topkoru, Emrah Egemen, Ihsan Solaroglu, John Zhang
Subarachnoid hemorrhage (SAH) following rupture of an intracranial is associated with high mortality and morbidity. The late deterioration of the patient's neurological status or late cognitive dysfunctions even after secure clipping or decent endovascular treatment which is defined as delayed ischemic neurological deficits recently has been attributed to vasospasm. Due to the failure of specific anti-vasospastic agents in clinical trials researchers focused to explore new pathological mechanisms to be responsible for the delayed deterioration of the patients suffering from SAH...
September 5, 2016: Current Drug Targets
https://www.readbyqxmd.com/read/27403908/-evaluation-of-repetitive-transcranial-magnetic-stimulation-effectiveness-in-treatment-of-psychiatric-and-neurologic-diseases
#18
REVIEW
Żanna Pastuszak, Anna Stępień, Renata Piusińska-Macoch, Bogdan Brodacki, Kazimierz Tomczykiewicz
Repetitive transcranial magnetic stimulation (rTMS) is a treatment option with proved effectiveness especially in drug resist depression. It is used in functional brain mapping before neurosurgery operations and diagnostic of corticospinal tract transmission. Many studies are performed to evaluate rTMS using in treatment of obsessive - compulsive disorder, schizophrenia, autism, strokes, tinnitus, Alzheimer and Parkinson diseases, cranial traumas. Moreover rTMS was used in treatment of multiple sclerosis, migraine, dystonia...
June 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27225878/parent-reported-executive-dysfunction-in-children-and-adolescents-with-chiari-malformation-type-1
#19
Maureen Lacy, Sarah E Ellefson, Samantha DeDios-Stern, David M Frim
BACKGROUND: Children with Chiari malformation type 1 (CM1) have increasingly presented to neurosurgery clinics. Limited research relating to the cognitive dysfunction experienced by this population has been completed. In adults, inhibition problems and executive dysfunction have been documented. METHODS: Seventy-seven parental reports of children with CM1 were included in the study. Parents completed questions on a scale rating daily executive functioning as well as reporting on common neurological symptoms...
2016: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27161981/single-case-study-neuropsychological-functioning-in-a-patient-diagnosed-with-intermittent-explosive-disorder-pre-and-post-neurosurgery
#20
María José Alvarez-Alonso, Isabel Morales-Muñoz, Ana María Castaño-León, Alfonso Lagares, Gabriel Rubio, Rosa Jurado-Barba
Intermittent explosive disorder (IED) is characterized by a difficulty to resist the urge to carry out a recognized harmful behavior. The central symptom is aggressiveness, expressed in isolated episodes. Executive function impairments are habitually found in impulse control disorders. Neuropsychology of impulsivity is related to dysfunctions in the orbito-frontal cortex, dorsolateral cortex and anterior-cingulated regions, being consequently involved in cognitive mechanisms of inhibition. Lesions in those areas are common in IED...
May 10, 2016: Spanish Journal of Psychology
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