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https://www.readbyqxmd.com/read/29475172/brain-network-alteration-in-patients-with-temporal-lobe-epilepsy-with-cognitive-impairment
#1
Hongyu Yang, Chao Zhang, Chang Liu, Tao Yu, Guojun Zhang, Nan Chen, Kuncheng Li
The aims of this study were to investigate the brain network alternation in patients with temporal lobe epilepsy (TLE) with and without cognitive impairment (CI) using functional magnetic resonance imaging (fMRI) and to further explore the potential mechanisms of epilepsy-induced CI. Forty patients with TLE and nineteen healthy controls (HCs) were recruited for this study. All participants received the Montreal Cognitive Assessment (MoCA) test, and the patients were divided into CI (n=21) and cognitive nonimpairment (CNI) groups (n=19) according to MoCA performance...
February 20, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29475170/a-case-report-of-anterior-cruciate-ligament-and-posterolateral-corner-reconstruction-using-tendon-graft-preserved-in-situ
#2
Bosco Mpatswenumugabo, Emmanuel Bukara, Muhammed Semakula, Albert Nzayisenga, Rene Mukezamfura, Lambert Dusingizimana, Basile Habumugisha, Salvador Kamarampaka, Leon Mutesa, Alex Butera
INTRODUCTION: Combined anterior cruciate ligament (ACL) and posterolateral corner (PLC) reconstruction are a rare clinical entity in orthopedic literature, whose management requires different types of tendon grafts. Missed PLC injury leads to the failure of ACL repair due to the joint instability. PRESENTATION OF CASE: We are presenting a case of posttraumatic right ACL, PLC and lateral meniscus injury. The patient was taken to theatre for arthroscopic meniscectomy, ACL and PLC reconstruction...
February 17, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29475131/factors-affecting-premature-plantarflexor-muscle-activity-during-hemiparetic-gait
#3
Kazuki Fujita, Hiroichi Miaki, Akira Fujimoto, Hideaki Hori, Hitomi Fujimoto, Yasutaka Kobayashi
In hemiparetic stroke survivors, premature plantarflexor muscle activity (PPF) often appears as a gait abnormality from terminal swing to the loading response on the paretic side. This study aimed to discern factors giving rise to PPF. Lower extremity function, spasticity magnitude, and gait electromyograms were assessed in 31 hemiparetic stroke survivors. Mean amplitudes during gait phases were determined for the paretic soleus, tibialis anterior, rectus femoris, and biceps femoris. The subjects were classified into PPF and non-PPF groups based on their relative soleus amplitude at different phases of gait, and group differences in each measurement were calculated and subjected to logistic regression...
February 14, 2018: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29475080/partial-maxillectomy-for-ameloblastoma-of-the-maxilla-with-infratemporal-fossa-involvement-a-combined-endoscopic-endonasal-and-transoral-approach
#4
Anasuya Guha, Libor Hart, Helena Polachova, Martin Chovanec, Petr Schalek
BACKGROUND: Ameloblastoma represents the most common epithelial odontogenic tumor. Because of the proximity of the maxillary tumors to the orbit and skull base, it should be managed as radically as possible. Maxillectomy mainly via the transfacial or transoral approach represents the most common type of surgical procedure. Drawback of these approaches is limited control of the superiomedial extent of the tumour in the paranasal area. We report the use of a combined endoscopic endonasal and transoral approach to manage maxillary plexiform ameloblastoma in a 48 year old male patient...
February 20, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29475076/from-percept-to-concept-in-the-ventral-temporal-lobes-graded-hemispheric-specialisation-based-on-stimulus-and-task
#5
Paul Hoffman, Matthew A Lambon Ralph
The left and right ventral anterior temporal lobes (vATL) have been implicated as key regions for the representation of conceptual knowledge. However, the nature and degree of hemispheric specialisation in their function is unclear. To address this issue, we investigated hemispheric specialisation in the ventral temporal lobes using a distortion-corrected spin-echo fMRI protocol that enhanced signal in vATL. We employed an orthogonal manipulation of stimulus (written words vs pictured objects) and task (naming vs recognition)...
February 2, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29475059/ventro-lateral-motor-thalamus-abnormal-connectivity-in-essential-tremor-before-and-after-thalamotomy-a-resting-state-fmri-study
#6
Constantin Tuleasca, Elena Najdenovska, Jean Régis, Tatiana Witjas, Nadine Girard, Jérôme Champoudry, Mohamed Faouzi, Jean-Philippe Thiran, Meritxell Bach Cuadra, Marc Levivier, Dimitri Van De Ville
OBJECTIVE: To evaluate functional connectivity (FC) of the ventro-lateral thalamus, a common target for drug-resistant essential tremor (ET), resting-state data were analyzed before and 1 year after stereotactic radiosurgical thalamotomy (SRS-T), and compared against healthy controls (HC). METHODS: 17 consecutive patients and 10 HC were enrolled. Tremor network was investigated using ventro-lateral ventral (VLV) nucleus as region-of-interest (ROI), extracted using automated segmentation from pretherapeutic diffusion MRI...
February 20, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29474949/anterior-and-lateral-overcoverage-after-triple-pelvic-osteotomy-in-childhood-for-developmental-dislocation-of-the-hip-with-acetabular-dysplasia-frequency-features-and-medium-term-clinical-impact
#7
C Klein, A Fontanarosa, N Khouri, B Jonathan, J-P Padovani, C Glorion, P Wicart
BACKGROUND: Triple pelvic osteotomy (TPO) is a treatment option in children and adolescents with residual acetabular dysplasia after developmental dislocation of the hip (DDH). However, TPO to redirect the acetabulum is often blamed for anterior and lateral overcoverage of the femoral head. The main objectives of this study were to assess the potential clinical impact, frequency, and radiological features of acetabular overcorrection. Evidence of post-operative remodelling and associations linking younger age at surgery and/or dysplasia severity to the existence and magnitude of overcorrection were sought...
February 20, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29474883/newly-observed-anterior-thalamocortical-fiber-of-the-thalamus-with-7-0t-super-resolution-magnetic-resonance-tractogarphy-and-its-implication-for-the-classical-papez-circuit
#8
Sang-Han Choi, Young-Bo Kim, Zang-Hee Cho
Here, we have employed recently developed super-resolution tractography using 7.0T-MRI to analyze the fine structures involved in thalamocortical connections, something that has proved difficult using conventional techniques. We detail a newly observed thalamocortical pathway connecting the anterior nucleus of the thalamus and the cingulate cortex not via the internal capsule but via the septal area. The observed pathway is believed to be a classical pathway of the Papez circuit but had not been previously identified...
February 20, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29474882/the-angiographic-and-clinical-outcomes-of-intracranial-aneurysms-following-irradiation-in-patients-with-nasopharyngeal-carcinoma-a-13-year-experience-and-literature-review
#9
Chan Siang Hua Victor, Woo Yat Ming Peter, Wong Kai Sing Alain, Chan Kwong Yau, Leung Kar Ming
BACKGROUND AND PURPOSE: Intracranial aneurysms are a known but rare complication of radiotherapy (RT). We reviewed the angiographic and clinical outcomes of intracranial aneurysms following RT in patients with nasopharyngeal carcinoma (NPC), a malignancy endemic in Hong Kong. MATERIALS AND METHODS: The clinical, angiographic and laboratory data was collected for nine NPC patients harboring fifteen intracranial aneurysms following RT, diagnosed between 1st January 2000 and 31st December 2012...
February 20, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29474748/changes-in-prostate-orientation-due-to-removal-of-a-foley-catheter
#10
Dale W Litzenberg, Daniel G Muenz, Paul G Archer, William C Jackson, Daniel A Hamstra, Jason W Hearn, Matthew J Schipper, Daniel E Spratt
PURPOSE: Investigate the impact on prostate orientation caused by use and removal of a Foley catheter, and the dosimetric impact on men prospectively treated with prostate stereotactic body radiotherapy (SBRT). METHODS: Twenty-two men underwent a CT simulation with a Foley in place (FCT), followed immediately by a second treatment planning simulation without the Foley (TPCT). The change in prostate orientation was determined by rigid registration of three implanted transponders between FCT and TPCT and compared to measured orientation changes during treatment...
February 23, 2018: Medical Physics
https://www.readbyqxmd.com/read/29474516/nasal-structural-and-aerodynamic-features-that-may-benefit-normal-olfactory-sensitivity
#11
Chengyu Li, Jianbo Jiang, Kanghyun Kim, Bradley A Otto, Alexander A Farag, Beverly J Cowart, Edmund A Pribitkin, Pamela Dalton, Kai Zhao
Nasal airflow that effectively transports ambient odors to the olfactory receptors is important for human olfaction. Yet, the impact of nasal anatomical variations on airflow pattern and olfactory function are not fully understood. In this study, 22 healthy volunteers were recruited and underwent CT scans for computational simulations of nasal airflow patterns. Unilateral odor detection thresholds (ODT) to l-Carvone, phenylethyl alcohol (PEA) and d-Limonene were also obtained for all participants. Significant normative variations in both nasal anatomy and aerodynamics were found...
February 21, 2018: Chemical Senses
https://www.readbyqxmd.com/read/29474472/within-the-fortress-a-specialized-parasite-is-not-discriminated-against-in-a-social-insect-society
#12
Emilia Solá Gracia, Charissa de Bekker, Ephraim M Hanks, David P Hughes
Social insect colonies function cohesively due, in part, to altruistic behaviors performed towards related individuals. These colonies can be affected by parasites in two distinct ways, either at the level of the individual or the entire colony. As such, colonies of social insects can experience conflict with infected individuals reducing the cohesiveness that typifies them. Parasites of social insects therefore offer us a framework to study conflicts within social insect colonies in addition to the traditionally viewed conflicts afforded by groups of low genetic relatedness due to multiple mating for example...
2018: PloS One
https://www.readbyqxmd.com/read/29474298/descemet-membrane-endothelial-keratoplasty-for-failed-deep-anterior-lamellar-keratoplasty-a-case-series
#13
Adi Einan-Lifshitz, Nir Sorkin, Tanguy Boutin, Zale Mednick, Mohammad Kreimei, Clara C Chan, David S Rootman
PURPOSE: To suggest a new surgical approach for posterior opacities or persistent Descemet membrane (DM) detachment in failed deep anterior lamellar keratoplasty (DALK) and to report the outcome of Descemet membrane endothelial keratoplasty (DMEK) in a series of patients with DALK failure. METHODS: In this retrospective case series of patients who underwent DMEK for failed DALK at Toronto Western Hospital, 4 patients with failed DALK who underwent DMEK surgery were included...
February 22, 2018: Cornea
https://www.readbyqxmd.com/read/29474222/hemorrhagic-occlusive-retinal-vasculitis-after-intracameral-vancomycin-use-in-cataract-surgery-after-intravenous-exposure
#14
Tarek Alasil, James J Y Wong, Ron A Adelman, David Tom, Patrick A Coady
PURPOSE: To report a case of hemorrhagic occlusive retinal vasculitis after cataract surgery. METHODS: A 74-year-old woman presented with blurry vision and distorted vision, which started 2 days after an uncomplicated cataract surgery in the left eye. Intracameral vancomycin was injected during the case. The patient reported being treated with systemic vancomycin in the past. RESULTS: The visual acuity was 20/80 in the left eye. She had trace cells in the anterior chamber with no hypopyon and intraocular lens implant within the capsular bag in the left eye...
February 22, 2018: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29474220/multicolor-imaging-in-a-case-of-acute-retinal-pigment-epitheliitis
#15
Rupak Roy, Kumar Saurabh, Nicey R Thomas
PURPOSE: To describe multicolor imaging findings in a case of acute retinal pigment epitheliitis. SETTING: Vitreoretinal department of a tertiary care center in Eastern India. METHODS: A 28-year-old lady presented with acute vision loss in the right eye since 3 days. Left eye examination was unremarkable. Best-corrected visual acuity in the right eye was 20/40. Anterior segment examination revealed clear lens with no evidence of inflammation...
February 22, 2018: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/29474137/pcr-multiplex-for-cmv-detection-in-patients-with-anterior-uveitis
#16
Alexandra Martín Ramírez, Laura Cardeñoso Domingo, J Jacobo González Guijarro
PURPOSE: Describing the utility of Polymerase Chain Reaction for Cytomegalovirus (CMV-PCR) in the diagnosis of suspected viral anterior uveitis (AU). PATIENTS AND METHODS: We analyzed aqueous humor (AH) CMV-PCR positivity and treatment modifications in 47 eyes of 46 patients with viral uveitis and its correlation with high intraocular pressure (HIOP), uveitis clinical characteristics and time intervals from samples to uveitis diagnosis and to relapse. RESULTS: CMV-PCR positive results occurred in 13 eyes (27...
February 23, 2018: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29474135/clinical-features-and-prognosis-of-uveitis-in-a-turkish-patient-population-with-ankylosing-spondylitis-incidence-and-management-of-ocular-complications
#17
Gulten Sungur, Mehmet Yakin, Selma Uzman, Ozgur Balta, Gozde Orman, Firdevs Ornek
PURPOSE: To investigate clinical features, visual prognosis, and ocular complications in patients with ankylosing spondylitis (AS)-associated anterior uveitis (AU). METHODS: Data of 211 eyes of 145 patients with AU associated with AS were reviewed retrospectively. RESULTS: Mean follow-up time was 6.31 ± 6.33 years. Men were younger than women at AS diagnosis (p = 0.035). The mean number of uveitis flares was highest during the first quarter of the year and lowest during the third quarter (p = 0...
February 23, 2018: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29474100/cervical-myelopathy-causing-numbness-and-paresthesias-in-lower-extremities-a-case-report-identifying-the-cause-of-a-false-positive-sharp-purser-test
#18
Cody J Mansfield
INTRODUCTION: The patient was referred to an outpatient physical therapy clinic for lumbar radiculopathy by a primary care physician and subsequently referred for imaging due to suspicion of cervical myelopathy. The case highlights the clinical reasoning of the physical therapist differentiating between lumbar stenosis, cervical myelopathy, and upper cervical instability. To the author's knowledge, this is the only case report in the literature to describe the mechanism that could underpin a false positive Sharp-Purser test (SPT)...
February 23, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29473873/new-evidence-on-the-effect-of-medical-insurance-on-the-obesity-risk-of-rural-residents-findings-from-the-china-health-and-nutrition-survey-chns-2004-2011
#19
Jian Zhao, Chang Su, Huijun Wang, Zhihong Wang, Bing Zhan
The obesity rate in China has risen significantly in the past few decades. While a number of causes for the rise in obesity have been explored, little attention has been paid to the role of health insurance per se. This study aims to investigate the impact of health insurance on the risk of obesity in rural China using longitudinal data from the China Health and Nutrition Survey (CHNS). We employed pooled ordinary least squares (OLS), probit estimation, and pooled two-stage least squares (2SLS) for an instrumental variable (IV)...
February 23, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29473789/ligament-augmentation-for-prevention-of-proximal-junctional-kyphosis-and-proximal-junctional-failure-in-adult-spinal-deformity
#20
Michael M Safaee, Vedat Deviren, Cecilia Dalle Ore, Justin K Scheer, Darryl Lau, Joseph A Osorio, Fred Nicholls, Christopher P Ames
OBJECTIVE Proximal junctional kyphosis (PJK) is a well-recognized, yet incompletely defined, complication of adult spinal deformity surgery. There is no standardized definition for PJK, but most studies describe PJK as an increase in the proximal junctional angle (PJA) of greater than 10°-20°. Ligament augmentation is a novel strategy for PJK reduction that provides strength to the upper instrumented vertebra (UIV) and adjacent segments while also reducing junctional stress at those levels. METHODS In this study, ligament augmentation was used in a consecutive series of adult spinal deformity patients at a single institution...
February 23, 2018: Journal of Neurosurgery. Spine
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