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https://www.readbyqxmd.com/read/28087339/differential-behavioral-sensitivity-to-carbon-dioxide-co2-inhalation-in-rats
#1
Andrew Winter, Rebecca Ahlbrand, Devanshi Naik, Renu Sah
Inhalation of carbon dioxide (CO2) is frequently employed as a biological challenge to evoke intense fear and anxiety. In individuals with panic disorder, CO2 reliably evokes panic attacks. Sensitivity to CO2 is highly heterogeneous among individuals, and although a genetic component is implicated, underlying mechanisms are not clear. Preclinical models that can simulate differential responsivity to CO2 are therefore relevant. In the current study we investigated CO2-evoked behavioral responses in four different rat strains: Sprague-Dawley (SD), Wistar (W), Long Evans (LE) and Wistar-Kyoto, (WK) rats...
January 10, 2017: Neuroscience
https://www.readbyqxmd.com/read/28087184/clinical-characteristics-of-ruptured-distal-middle-cerebral-artery-aneurysms-review-of-the-literature
#2
REVIEW
Keiji Tsutsumi, Tetsuyoshi Horiuchi, Alhusain Nagm, Yasuyuki Toba, Kazuhiro Hongo
Middle cerebral artery (MCA) aneurysms usually arise at the primary MCA bifurcation or trifurcation. Distal MCA aneurysms are rarely considered as sources of aneurysmal subarachnoid hemorrhage (SAH). It has been reported that ruptured distal MCA aneurysms are associated with head trauma, neoplastic emboli, arterial dissection, or bacterial infection. We experienced five cases of ruptured distal MCA aneurysms and evaluated their clinical characteristics. Retrospective analysis of aneurysmal SAH at Kobayashi Neurosurgical Neurological Hospital was performed from January, 2004 to December, 2014...
January 10, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28070922/an-open-label-randomized-control-trial-of-hopping-and-jumping-training-versus-sensorimotor-rehabilitation-programme-on-postural-capacities-in-individuals-with-intellectual-disabilities
#3
Rihab Borji, Sonia Sahli, Rym Baccouch, Rabeb Laatar, Hiba Kachouri, Haithem Rebai
BACKGROUND: This study aimed to compare the effectiveness of a hopping and jumping training programme (HJP) versus a sensorimotor rehabilitation programme (SRP) on postural performances in children with intellectual disability. METHODS: Three groups of children with intellectual disability participated in the study: the HJP group, the SRP group and a control group. Postural capacities were tested with the Berg Balance Scale (BBS) and the Tinetti tests. The HJP and the SRP groups participated in the training programmes for eight weeks...
January 10, 2017: Journal of Applied Research in Intellectual Disabilities: JARID
https://www.readbyqxmd.com/read/28069456/neurocardiac-protection-with-milrinone-for-restoring-acute-cerebral-hypoperfusion-and-delayed-ischemic-injury-after-experimental-subarachnoid-hemorrhage
#4
Tomoko Mutoh, Tatsushi Mutoh, Kazumasu Sasaki, Kazuhiro Nakamura, Yasuko Tatewaki, Tatsuya Ishikawa, Yasuyuki Taki
BACKGROUND AND PURPOSE: Acute cerebral hypoperfusion following subarachnoid hemorrhage (SAH) is highly related to the pathogenesis of delayed cerebral ischemia (DCI), but the therapeutic option is poorly available. This study aimed to clarify the effect of milrinone (MIL) on cerebral blood flow (CBF) and related outcomes after experimental SAH. METHODS: Twenty-seven male C57BL/6 mice were assigned to either sham surgery (SAH-sham; n=6), SAH induced by endovascular perforation (control; n=10), or SAH followed by cardiac support with intravenous MIL (n=11) performed 1...
January 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28067149/navigation-assisted-trans-inferotemporal-cortex-selective-amygdalohippocampectomy-for-mesial-temporal-lobe-epilepsy-preserving-the-temporal-stem
#5
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)...
January 9, 2017: Neurological Research
https://www.readbyqxmd.com/read/28062803/posterior-circulation-perforator-aneurysms-a-proposed-management-algorithm
#6
Thomas J Buell, Dale Ding, Daniel M S Raper, Ching-Jen Chen, Harry R Hixson, R Webster Crowley, Avery J Evans, Mary E Jensen, Kenneth C Liu
INTRODUCTION: Subarachnoid hemorrhage (SAH) from posterior circulation perforator aneurysms (PCPAs) is rare and its natural history is unknown. Diagnosis may be difficult, acute management is poorly defined, and long-term recurrent SAH rates and clinical outcome data are lacking. METHODS: We searched our institution's records for cases of PCPA rupture and analyzed patient demographics, Hunt and Hess (HH) grades, diagnostic imaging, management, and clinical outcomes...
January 6, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28059632/pseudoaneurysm-formation-due-to-rupture-of-intracranial-aneurysms-case-series-and-literature-review
#7
Motohiro Nomura, Kentaro Mori, Akira Tamase, Tomoya Kamide, Syunsuke Seki, Yu Iida, Tatsu Nakano, Yuichi Kawabata, Taro Kitabatake, Teruyuki Nakajima, Kiyoyuki Yasutake, Kei Egami, Tatsunori Takahashi, Mitsuyuki Takahashi, Kunio Yanagimoto
Background Intracranial pseudoaneurysm formation due to a ruptured non-traumatic aneurysm is extremely rare. We describe the radiological findings and management of pseudoaneurysms due to ruptured cerebral aneurysms in our case series and previously reported cases. Patients and methods Four additional and 20 reported patients presenting with subarachnoid hemorrhage (SAH) are included. Radiological findings and clinical features of these patients were reviewed. Results In our series, three-dimensional computed tomographic angiography (3D-CTA) and/or angiography showed an irregular- or snowman-shaped cavity extending from the parent artery...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28054290/treatment-of-hyponatremia-in-patients-with-acute-neurological-injury
#8
Theresa Human, Aaron M Cook, Brian Anger, Kathleen Bledsoe, Amber Castle, David Deen, Haley Gibbs, Christine Lesch, Norah Liang, Karen McAllen, Christopher Morrison, Dennis Parker, A Shaun Rowe, Denise Rhoney, Kiranpal Sangha, Elena Santayana, Scott Taylor, Eljim Tesoro, Gretchen Brophy
BACKGROUND: Little data exist regarding the practice of sodium management in acute neurologically injured patients. This study describes the practice variations, thresholds for treatment, and effectiveness of treatment in this population. METHODS: This retrospective, multicenter, observational study identified 400 ICU patients, from 17 centers, admitted for ≥48 h with subarachnoid hemorrhage (SAH), traumatic brain injury (TBI), intraparenchymal hemorrhage, or intracranial tumors between January 1, 2011 and July 31, 2012...
January 4, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28052979/prevalence-incidence-and-mortality-of-stroke-in-china-results-from-a-nationwide-population-based-survey-of-480-687-adults
#9
Wenzhi Wang, Bin Jiang, Haixin Sun, Xiaojuan Ru, Dongling Sun, Linhong Wang, Limin Wang, Yong Jiang, Yichong Li, Yilong Wang, Zhenghong Chen, Shengping Wu, Yazhuo Zhang, David Wang, Yongjun Wang, Valery L Feigin
BACKGROUND: -China bears the biggest stroke burden in the world. However, little is known about the current prevalence, incidence, and mortality of stroke at the national level, and the trend in the last 30 years. METHODS: -In 2013 a nationally-representative door-to-door survey was conducted in 155 urban and rural centres in 31 provinces in China, totalling 480,687 adults aged ≥20 years. All stroke survivors were considered as prevalent stroke cases at the prevalent time (August 31, 2013)...
January 4, 2017: Circulation
https://www.readbyqxmd.com/read/28048972/astaxanthin-improves-cognitive-performance-in-mice-following-mild-traumatic-brain-injury
#10
Xinran Ji, Dayong Peng, Yiling Zhang, Jun Zhang, Yuning Wang, Yuan Gao, Ning Lu, Peifu Tang
[BACKGROUND]: Traumatic brain injury (TBI) produces lasting neurological deficits that plague patients and physicians. To date, there is no effective method to combat the source of this problem. Here, we utilized a mild, closed head TBI model to determine the modulatory effects of a natural dietary compound, astaxanthin (AST). AST is centrally active following oral administration and is neuroprotective in experimental brain ischemia/stroke and subarachnoid hemorrhage (SAH) models. We examined the effects of oral AST on the long-term neurological functional recovery and histological outcomes following moderate TBI in a mice model...
December 31, 2016: Brain Research
https://www.readbyqxmd.com/read/28043903/patients-with-severe-alcoholic-hepatitis-given-prednisolone-therapy-who-have-high-circulating-levels-of-bacterial-dna-are-at-increased-risk-for-developing-infections
#11
Nikhil Vergis, Stephen R Atkinson, Suzanne Knapp, James Maurice, Michael Allison, Andrew Austin, Ewan H Forrest, Steven Masson, Anne McCune, David Patch, Stephen Ryder, Mark Wright, Mark R Thursz
BACKGROUND & AIMS: Infections are common in patients with severe alcoholic hepatitis (SAH), but little information is available on how to predict their development or their effects on patients. Prednisolone is advocated for treatment of SAH, but may increase susceptibility to infection. We compared the effects of infection on clinical outcomes of patients treated with and without prednisolone, and identified risk factors for development of infection in SAH. METHODS: We analyzed data from 1092 patients enrolled in a double-blind placebo-controlled trial to evaluate the efficacy of treatment with prednisolone (40 mg daily) or pentoxifylline (400 mg 3 times each day) in patients with SAH...
December 30, 2016: Gastroenterology
https://www.readbyqxmd.com/read/28043115/angiopoietin-1-and-angiopoietin-2-expression-imbalance-influence-in-early-period-after-subarachnoid-hemorrhage
#12
Hua Gu, Zhen-Hai Fei, Yi-Qi Wang, Jian-Guo Yang, Chao-Hui Zhao, Yong Cai, Xing-Ming Zhong
PURPOSE: Microvascular endothelial integrity is important for maintaining the blood-brain barrier (BBB). However, subarachnoid hemorrhage (SAH) disrupts this integrity, making the BBB dysfunctional-an important pathophysiological change after SAH. Angiopoietin-1 (Ang-1) and angiopoietin-2 (Ang-2) regulate microvascular permeability by balancing each other's expression. METHODS: This study investigated the dynamics of Ang-1 and Ang-2 expression after SAH and the protective effect of Ang-1 on BBB functioning using an endovascular puncture model of rat SAH...
December 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/28039044/preclinical-efficacy-of-human-albumin-in-subarachnoid-hemorrhage
#13
Liumin Wang, Meiying Li, Yi Xie, Lili Xu, Ruidong Ye, Xinfeng Liu
Human Albumin is a unique pleiotropic protein with multiple properties. Previous clinical and laboratory studies have indicated a possible beneficial effect of Albumin in subarachnoid hemorrhage (SAH). The present study aimed to further define the preclinical characteristics of Albumin. SAH was induced by endovascular perforation in Sprague-Dawley rats. In the dose-escalation study, Albumin ranging from 0.02g/kg to 1.0g/kg was intravenously infused immediately after SAH. In the therapeutic window study, 1.0g/kg Albumin was administered at 0h, 2h, 4h or 8h after SAH...
December 28, 2016: Neuroscience
https://www.readbyqxmd.com/read/28038795/sleep-apnea-and-driving-recommendations-for-interpreting-spanish-regulations-for-drivers
#14
Joaquín Terán-Santos, Carlos Egea Santaolalla, Jose María Montserrat, Fernando Masa Jiménez, Maria Villar Librada Escribano, Enrique Mirabet, Elena Valdés Rodríguez
Road traffic accidents are one of the main causes of death worldwide and are clearly associated with sleepiness. Individuals with undiagnosed sleep apnea-hypopnea syndrome (SAHS) are among the population with a high risk of experiencing sleepiness at the wheel and, consequently, road traffic accidents. Treatment with continuous positive airway pressure (CPAP) has been shown to reduce the risk of accidents among drivers with SAHS. For this reason, the European Union has included this disease in the psychological and physical criteria for obtaining or renewing a driving license...
December 27, 2016: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/28034814/outcome-prognostic-factors-and-follow-up-results-after-subarachnoid-hemorrhage-from-pericallosal-artery-aneurysms
#15
Nazife Dinc, Stephanie Lescher, Johanna Quick-Weller, Joachim Berkefeld, Johannes Platz, Christian Senft, Volker Seifert, Juergen Konczalla
OBJECTIVE: Pericallosal artery aneurysms (PAA) are usually rare (2-5%) and treatment is challenging for both modalities, surgical and endovascular. The authors performed this analysis to determine the outcome and prognostic factors after subarachnoidal hemorrhage due to ruptured pericallosal artery aneurysms. MATERIALS AND METHODS: A total of 32 patients with ruptured PAA were admitted to our hospital between 1999 and 2014, added to our prospective database and analyzed retrospectively...
December 26, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28033055/multiple-eccrine-syringofibroadenoma-of-mascaro-of-the-lower-extremity
#16
Danae L Lowell, Nichol L Salvo, William J Weily, Michael Swiatek, Hannah Sahli
Eccrine syringofibroadenoma (ESFA) is a rare benign lesion of ductal and secretory differentiation exhibiting multiple cutaneous polymorphic presentations with an unknown etiology. We present a case of ESFA that uniquely exhibited large, thick, verrucous-like hyperplastic growths as well as superficial shiny mosaic plaques and deep ulcerations in three different anatomical locations in the same patient. The diagnosis of ESFA was confirmed histologically after biopsies were performed on all of the affected areas...
November 2016: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28031370/binding-of-the-methyl-donor-sam-to-mers-cov-2-o-methyltransferase-nsp16-promotes-the-recruitment-of-the-allosteric-activator-nsp10
#17
Wahiba Aouadi, Alexandre Blanjoie, Jean-Jacques Vasseur, Françoise Debart, Bruno Canard, Etienne Decroly
: The Middle East respiratory syndrome coronavirus (MERS-CoV) non-structural protein 16 (nsp16) is an S-adenosyl-L-methionine (SAM)-dependent 2' -O-methyltransferase (MTase) that is thought to methylate the ribose 2' -OH of the first transcribed nucleotide (N1) of viral RNA cap structures. This 2' -O MTase activity is regulated by nsp10. The 2' -O methylation prevents virus detection by cell innate immunity mechanisms and viral translation inhibition by the interferon-stimulated IFIT-1 protein...
December 28, 2016: Journal of Virology
https://www.readbyqxmd.com/read/28030939/evaluation-of-vcam-1-and-icam-1-concentration-and-values-of-global-tests-concerning-the-coagulation-system-of-patients-suffering-from-subarachnoid-haemorrage
#18
Abu-Sitta Al-Drawi, Michał Wiciński, Grzegorz Grześk, Katarzyna Szadujkis-Szadurska, Elżbieta Grześk, Mateusz Maciej Węclewicz, Agnieszka Michalska, Anna Czeczuk, Elżbieta Huk-Wieliczuk
INTRODUCTION: The term 'subarachnoid haemorrhage' (SAH) stands for bleeding into the subarachnoid space, regardless of its source. It may be of primary character when the source of bleeding is situated within the subarachnoid space. Subarachnoid haemorrhage is often described as spontaneous bleeding, mainly in order to differentiate it from post-traumatic bleeding. OBJECTIVE: The aim of the study was to evaluate the concentration of ICAM-1 and VCAM-1 in the blood of patients in the early phase following subarachnoid haemorrhage in terms of searching for markers useful in subarachnoid bleeding diagnostics and monitoring a patient's clinical state...
23, 2016: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28028564/evolution-of-diffusion-tensor-imaging-parameters-after-acute-subarachnoid-haemorrhage-a-prospective-cohort-study
#19
Isabel Fragata, Patrícia Canhão, Marta Alves, Ana Luísa Papoila, Nuno Canto-Moreira
INTRODUCTION: Few studies assessed diffusion tensor imaging (DTI) changes in the acute phase of subarachnoid haemorrhage (SAH). We prospectively evaluated DTI parameters in the acute phase of SAH and 8-10 days after and analysed whether changes could be related to SAH severity or to the development of delayed cerebral ischemia (DCI). METHODS: Apparent diffusion coefficient (ADC) and fractional anisotropy (FA) changes over time were assessed in a prospective cohort of patients with acute SAH...
December 27, 2016: Neuroradiology
https://www.readbyqxmd.com/read/28028144/valproate-reduces-delayed-brain-injury-in-a-rat-model-of-subarachnoid-hemorrhage
#20
Arend M Hamming, Annette van der Toorn, Umesh S Rudrapatna, Lisha Ma, Hine J A van Os, Michel D Ferrari, Arn M J M van den Maagdenberg, Erik van Zwet, Katherine Poinsatte, Ann M Stowe, Rick M Dijkhuizen, Marieke J H Wermer
BACKGROUND AND PURPOSE: Spreading depolarizations (SDs) may contribute to delayed cerebral ischemia after subarachnoid hemorrhage (SAH). We tested whether SD-inhibitor valproate reduces brain injury in an SAH rat model with and without experimental SD induction. METHODS: Rats were randomized in a 2×2 design and pretreated with valproate (200 mg/kg) or vehicle for 4 weeks. SAH was induced by endovascular puncture of the right internal carotid bifurcation. One day post-SAH, brain tissue damage was measured with T2-weighted magnetic resonance imaging, followed by cortical application of 1 mol/L KCl (to induce SDs) or NaCl (no SDs)...
December 27, 2016: Stroke; a Journal of Cerebral Circulation
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