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https://www.readbyqxmd.com/read/29236275/multidisciplinary-management-of-a-giant-cervico-mediastinal-liposarcoma-a-case-report-and-literature-review
#1
Andrea Galli, Leone Giordano, Piergiorgio Muriana, Alessandro Bandiera, Giampiero Negri, Piero Zannini, Mario Bussi
Liposarcomas are rare mesenchymal tumors that usually develop in lower extremities or retroperitoneum; cervico-mediastinal presentation is quite uncommon. These neoplasms are commonly diagnosed at a late stage because they remain asymptomatic until nearby structures are compressed. This makes radical excision particularly challenging. To date, alternative chemoradiotherapy protocols have not yet been standardized. We report a case of a 55-year-old man with a right laterocervical mass and without substantial symptoms...
December 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/29230054/single-cell-analysis-of-experience-dependent-transcriptomic-states-in-the-mouse-visual-cortex
#2
Sinisa Hrvatin, Daniel R Hochbaum, M Aurel Nagy, Marcelo Cicconet, Keiramarie Robertson, Lucas Cheadle, Rapolas Zilionis, Alex Ratner, Rebeca Borges-Monroy, Allon M Klein, Bernardo L Sabatini, Michael E Greenberg
Activity-dependent transcriptional responses shape cortical function. However, a comprehensive understanding of the diversity of these responses across the full range of cortical cell types, and how these changes contribute to neuronal plasticity and disease, is lacking. To investigate the breadth of transcriptional changes that occur across cell types in the mouse visual cortex after exposure to light, we applied high-throughput single-cell RNA sequencing. We identified significant and divergent transcriptional responses to stimulation in each of the 30 cell types characterized, thus revealing 611 stimulus-responsive genes...
December 11, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/29229920/integration-of-neurogenesis-and-angiogenesis-models-for-constructing-a-neurovascular-tissue
#3
Hiroyuki Uwamori, Takuya Higuchi, Ken Arai, Ryo Sudo
Neurovascular unit (NVU) is a basic unit in the brain, including neurons, glial cells, blood vessels and extracellular matrix. This concept implies the importance of a three-dimensional (3D) culture model including these cell types for investigating brain functions. However, little is known about the construction of an in vitro 3D NVU model. In the present study, we aimed at constructing 3D neurovascular tissues by combining in vitro neurogenesis and angiogenesis models using a microfluidic platform, which is a critical step toward the NVU construction in vitro...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29229071/branching-of-mandibular-canal-on-cone-beam-computed-tomography-images
#4
Masoomeh Afsa, Hamid Rahmati
BACKGROUND: Mandibular neurovascular canal contents may be vulnerable to damage during mandibular surgical procedures. Greater knowledge of the location and configuration of the mandibular canal can help in the safe performance of these procedures in the dental clinic. Cross-sectional CBCT imaging is a good modality for studying the course, location, configuration and accessory branches of the mandibular canal. The aim of this study was to observe the branching of the mandibular canal at different segments of the mandible and mandibular tooth groups...
December 2017: Singapore Dental Journal
https://www.readbyqxmd.com/read/29228630/transplantation-of-ips-cell-derived-neural-progenitors-overexpressing-sdf-1%C3%AE-increases-regeneration-and-functional-recovery-after-ischemic-stroke
#5
Monica Chau, Todd C Deveau, Mingke Song, Zheng Z Wei, Xiaohuan Gu, Shan Ping Yu, Ling Wei
Ischemic stroke is a leading cause of human death and disability while clinical treatments are limited. The adult brain possesses endogenous regenerative activities that may benefit tissue repair after stroke. Trophic factors such as stromal cell-derived factor 1 alpha (SDF-1α) are upregulated in the ischemic brain, which promote endogenous regeneration. The regenerative response, however, is normally insufficient. Transplantation of exogenous cells has been explored as regenerative therapies. One promising cell type for transplantation is induced pluripotent stem (iPS) cells which are cells genetically reprogrammed from adult somatic cells...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29226741/side-effects-associated-with-current-and-prospective-antimigraine-pharmacotherapies
#6
Abimael González-Hernández, Bruno A Marichal-Cancino, Antoinette MaassenVanDenBrink, Carlos M Villalón
Migraine is a neurovascular disorder. Current acute specific antimigraine pharmacotherapies target trigeminovascular 5-HT1B/1D, 5-HT1F and CGRP receptors but, unfortunately, they induce some cardiovascular and central side effects that lead to poor treatment adherence/compliance. Therefore, new antimigraine drugs are being explored. Areas covered. This review considers the adverse (or potential) side effects produced by current and prospective antimigraine drugs, including medication overuse headache (MOH) produced by ergots and triptans, the side effects observed in clinical trials for the new gepants and CGRP antibodies, and a section discussing the potential effects resulting from disruption of the cardiovascular CGRPergic neurotransmission...
December 9, 2017: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/29225397/concurrent-oct-imaging-of-stimulus-evoked-retinal-neural-activation-and-hemodynamic-responses
#7
Taeyoon Son, Benquan Wang, Yiming Lu, Yanjun Chen, Dingcai Cao, Xincheng Yao
It is well established that major retinal diseases involve distortions of the retinal neural physiology and blood vascular structures. However, the details of distortions in retinal neurovascular coupling associated with major eye diseases are not well understood. In this study, a multi-modal optical coherence tomography (OCT) imaging system was developed to enable concurrent imaging of retinal neural activity and vascular hemodynamics. Flicker light stimulation was applied to mouse retinas to evoke retinal neural responses and hemodynamic changes...
2017: Proceedings of SPIE
https://www.readbyqxmd.com/read/29224048/comparison-between-whole-body-and-head-and-neck-neurovascular-coils-for-3-t-magnetic-resonance-proton-resonance-frequency-shift-thermography-guidance-in-the-head-and-neck-region
#8
Daniel Thomas Ginat, Gregory J Anthony, Gregory Christoforidis, Aytekin Oto, Leonard Dalag, Steffen Sammet
The purpose of this study is to compare the image quality of magnetic resonance (MR) treatment planning images and proton resonance frequency (PRF) shift thermography images and inform coil selection for MR-guided laser ablation of tumors in the head and neck region. Laser ablation was performed on an agar phantom and monitored via MR PRF shift thermography on a 3-T scanner, following acquisition of T1-weighted (T1W) planning images. PRF shift thermography images and T2-weighted (T2W) planning images were also performed in the neck region of five normal human volunteers...
December 9, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29223144/role-of-carbon-monoxide-in-neurovascular-repair-processing
#9
REVIEW
Yoon Kyung Choi
Carbon monoxide (CO) is a gaseous molecule produced from heme by heme oxygenase (HO). Endogenous CO production occurring at low concentrations is thought to have several useful biological roles. In mammals, especially humans, a proper neurovascular unit comprising endothelial cells, pericytes, astrocytes, microglia, and neurons is essential for the homeostasis and survival of the central nervous system (CNS). In addition, the regeneration of neurovascular systems from neural stem cells and endothelial precursor cells after CNS diseases is responsible for functional repair...
December 8, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/29221576/an-important-lesson-in-assessing-neurovascular-involvement-in-proximal-humeral-fractures-the-presence-of-neuropathic-pain-in-a-dysvascular-limb
#10
Ashok K Singh, William Rudge, Tom Quick
No abstract text is available yet for this article.
January 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29220303/locally-aggressive-connective-tissue-tumors
#11
Mrinal M Gounder, David M Thomas, William D Tap
In this review, we highlight the complexities of the natural history, biology, and clinical management of three intermediate connective tissue tumors: desmoid tumor (DT) or aggressive fibromatosis, tenosynovial giant cell tumor (TGCT) or diffuse-type pigmented villonodular synovitis (dtPVNS), and giant cell tumor of bone (GCTB). Intermediate histologies include tumors of both soft tissue and bone origin and are locally aggressive and rarely metastatic. Some common aspects to these tumors are that they can be locally infiltrative and/or impinge on critical organs, which leads to disfigurement, pain, loss of function and mobility, neurovascular compromise, and occasionally life-threatening consequences, such as mesenteric, bowel, ureteral, and/or bladder obstruction...
December 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29214784/contrast-induced-acute-kidney-injury-after-coil-embolization-for-aneurysmal-subarachnoid-hemorrhage
#12
Hyun Goo Lee, Won Ki Kim, Je Young Yeon, Jong Soo Kim, Keon Ha Kim, Pyoung Jeon, Seung Chyul Hong
PURPOSE: Contrast-induced acute kidney injury (CI-AKI) is associated with poor outcomes after percutaneous coronary intervention. However, CI-AKI has rarely been evaluated within the neurovascular field. The aim of this study was to investigate the incidence and clinical implication of CI-AKI after coil embolization in patients with an aneurysmal subarachnoid hemorrhage (aSAH). MATERIALS AND METHODS: Between January 2005 and March 2016, 192 patients who underwent coil embolization were enrolled in this study...
January 2018: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29214101/cell-junction-protein-armadillo-repeat-gene-deleted-in-velo-cardio-facial-syndrome-is-expressed-in-the-skin-and-colocalizes-with-autoantibodies-of-patients-affected-by-a-new-variant-of-endemic-pemphigus-foliaceus-in-colombia
#13
Ana Maria Abreu-Velez, Hong Yi, Michael S Howard
Background: We previously described a new variant of endemic pemphigus foliaceus in El Bagre, Colombia, South America (El Bagre-EPF, or pemphigus Abreu-Manu). El Bagre-EPF differs from other types of EPF clinically, epidemiologically, immunologically and in its target antigens. We reported the presence of patient autoantibodies colocalizing with armadillo repeat gene deleted in velo-cardio-facial syndrome (ARVCF), a catenin cell junction protein colocalizing with El Bagre-EPF autoantibodies in the heart and within pilosebaceous units along their neurovascular supply routes...
October 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/29211922/local-blood-flow-in-peripheral-nerves-and-their-ganglia-resurrecting-key-ideas-around-its-measurement-and-significance
#14
REVIEW
Douglas W Zochodne
Over three decades ago, seminal work by Phillip Low and colleagues established exquisite physiology around the measurement of nerve blood flow (NBF). Although not widely explored recently, its connection to the clinic has awaited human methodology. While human studies have not achieved a convincing level of rigour, newer imaging technologies are offering early information. The peripheral nerve trunk has parallel blood flow compartments that include epineurial flow dominated by arteriovenous shunts and downstream endoneurial blood flow (EBF)...
December 6, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/29206838/implementation-of-stroke-teams-and-simulation-training-shortened-process-times-in-a-regional-stroke-network-a-network-wide-prospective-trial
#15
Damla Tahtali, Ferdinand Bohmann, Natalia Kurka, Peter Rostek, Anelia Todorova-Rudolph, Martin Buchkremer, Mario Abruscato, Ann-Kathrin Hartmetz, Andrea Kuhlmann, Christian Henke, André Stegemann, Sanjay Menon, Björn Misselwitz, Anke Reihs, Stefan Weidauer, Sven Thonke, Uta Meyding-Lamadé, Oliver Singer, Helmuth Steinmetz, Waltraud Pfeilschifter
BACKGROUND: To meet the requirements imposed by the time-dependency of acute stroke therapies, it is necessary 1) to initiate structural and cultural changes in the breadth of stroke-ready hospitals and 2) to find new ways to train the personnel treating patients with acute stroke. We aimed to implement and validate a composite intervention of a stroke team algorithm and simulation-based stroke team training as an effective quality initiative in our regional interdisciplinary neurovascular network consisting of 7 stroke units...
2017: PloS One
https://www.readbyqxmd.com/read/29203626/exaggerated-sympathetic-neurovascular-transduction-as-a-mechanism-of-neurogenic-hypertension-it-is-not-all-about-activity
#16
EDITORIAL
Gregory D Fink
No abstract text is available yet for this article.
December 4, 2017: Hypertension
https://www.readbyqxmd.com/read/29203379/arthroscopic-reconstruction-of-the-ligamentum-teres-a-guide-to-safe-tunnel-placement
#17
Alex W Brady, Jorge Chahla, Renato Locks, Jacob D Mikula, Erik L Slette, Robert F LaPrade, Marc J Philippon
PURPOSE: To provide a quantitative guide to tunnel placement concurrently through the femur and acetabulum during a ligamentum teres reconstruction, minimizing the risk of injury to the obturator neurovascular bundle. METHODS: Nine human cadaveric pelvises, complete with femurs (mean age, 59.6 years; age range, 47-65 years), were studied. Before dissection, a 3-dimensional coordinate-measuring device was used to record the neutral orientation of the femur in the acetabulum...
December 1, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29203316/cervical-rib-prevalence-and-its-association-with-thoracic-outlet-syndrome-a-meta-analysis-of-141-studies-with-surgical-considerations
#18
Brandon Michael Henry, Jens Vikse, Beatrice Sanna, Dominik Taterra, Martyna Gomulska, Przemysław A Pękala, R Shane Tubbs, Krzysztof A Tomaszewski
BACKGROUND: Cervical ribs (CR) are supernumerary ribs that arise from the seventh cervical vertebra. In the presence of CR, the boundaries of the interscalene triangle can be further constricted and result in neurovascular compression and Thoracic Outlet Syndrome (TOS). The aim of our study was to provide a comprehensive evidence-based assessment of CR prevalence and their association with TOS as well as surgical approach to excision of CR and surgical patients' characteristics. METHODS: A thorough search of major electronic databases was conducted to identify any relevant studies...
December 1, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29203132/deaths-in-france-characteristics-place-of-death-hospitalisations-and-use-of-palliative-care-during-the-year-before-death-hospital-care-the-year-before-death
#19
C Poulalhon, L Rotelli-Bihet, C Raso, R Aubry, A Fagot-Campagna, P Tuppin
AIM: Only limited data are available concerning the diseases managed and the hospital pathway before death. The aim of this study was to describe diseases, hospitalisations, and use of palliative care one year before death as well as place of death in France. METHODS: French health insurance general scheme beneficiaries who died in 2013 were identified in the National Health Insurance Information System (SNIIRAM) with a selection of information concerning their various hospital stays, including hospital palliative care (HPC) and nursing home care...
December 1, 2017: Revue D'épidémiologie et de Santé Publique
https://www.readbyqxmd.com/read/29202765/a-novel-technique-for-modified-all-inside-repair-of-bucket-handle-meniscus-tears-using-standard-arthroscopic-portals
#20
Jing Hui Yik, Bryan Thean Howe Koh, Wilson Wang
BACKGROUND: Bucket-handle meniscus tears (BHMT) are often displaced and unstable. The inside-out technique of repairing such tears is currently the gold standard. All-inside repair with meniscal fixators is getting increasingly popular. Shortcomings of the inside-out technique include neurovascular complications, especially saphenous nerve palsy, and retention of a non-resorbable suture which can result in discomfort to patient, granuloma formation, and a foci of infection. Hence, the purpose of this project was to innovate a novel all-inside technique to precisely reduce and fix BHMT while avoiding neurovascular complications and retention of a non-resorbable suture...
December 4, 2017: Journal of Orthopaedic Surgery and Research
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