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https://www.readbyqxmd.com/read/29346515/a-brain-based-pain-facilitation-mechanism-contributes-to-painful-diabetic-polyneuropathy
#1
Andrew R Segerdahl, Andreas C Themistocleous, Dean Fido, David L Bennett, Irene Tracey
The descending pain modulatory system represents one of the oldest and most fundamentally important neurophysiological mechanisms relevant to pain. Extensive work in animals and humans has shown how a functional imbalance between the facilitatory and inhibitory components is linked to exacerbation and maintenance of persistent pain states. Forward translation of these findings into clinical populations is needed to verify the relevance of this imbalance. Diabetic polyneuropathy is one of the most common causes of chronic neuropathic pain; however, the reason why ∼25-30% of patients with diabetes develop pain is not known...
January 15, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29346242/prevalence-and-clinical-characteristics-of-pachydrusen-in-polypoidal-choroidal-vasculopathy-multimodal-image-study
#2
Junwon Lee, Suk Ho Byeon
PURPOSE: To investigate the prevalence of a newly defined drusen type, pachydrusen, soft drusen, and subretinal drusenoid deposits in eyes with polypoidal choroidal vasculopathy and fellow eyes and the relationship between each drusen type and the choroidal thickness, vascular morphology, and hyperpermeability. METHODS: The 169 eyes of 90 patients with polypoidal choroidal vasculopathy were retrospectively reviewed. The prevalence of each drusen type was evaluated using color fundus photography and optical coherence tomography...
January 16, 2018: Retina
https://www.readbyqxmd.com/read/29346228/analgesia-of-combined-femoral-triangle-and-obturator-nerve-blockade-is-superior-to-local-infiltration-analgesia-after-total-knee-arthroplasty-with-high-dose-intravenous-dexamethasone
#3
Charlotte Runge, Jan Mick Jensen, Louise Clemmesen, Henriette Bach Knudsen, Carsten Holm, Jens Børglum, Thomas Fichtner Bendtsen
BACKGROUND AND OBJECTIVES: High-dose intravenous dexamethasone reduces the postoperative opioid requirement and is often included in the multimodal analgesia strategy after total knee arthroplasty (TKA). Combined obturator nerve and femoral triangle blockade (OFB) reduces the opioid consumption and pain after TKA better than local infiltration analgesia (LIA). The question is whether preoperative high-dose intravenous dexamethasone would cancel out the superior analgesic effect of OFB compared with LIA...
January 17, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29346118/mycobacterium-avium-complex-pulmonary-disease-new-epidemiology-and-management-concepts
#4
Leah Lande, Jason George, Theodore Plush
PURPOSE OF REVIEW: The prevalence of Mycobacterium avium complex (MAC)-related pulmonary disease has been increasing because of environmental factors, changes in organism virulence, and evolving host susceptibility. Treatment is often complicated by adverse effects, development of drug resistance, and refractory disease, with recurrence rates as high as 25-45%. RECENT FINDINGS: Aerosolization of water, soil, or dusts are the likely sources of MAC-related pulmonary disease in susceptible individuals...
January 15, 2018: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/29346042/treatment-of-malignant-pleural-mesothelioma-american-society-of-clinical-oncology-clinical-practice-guideline
#5
Hedy L Kindler, Nofisat Ismaila, Samuel G Armato, Raphael Bueno, Mary Hesdorffer, Thierry Jahan, Clyde Michael Jones, Markku Miettinen, Harvey Pass, Andreas Rimner, Valerie Rusch, Daniel Sterman, Anish Thomas, Raffit Hassan
Purpose To provide evidence-based recommendations to practicing physicians and others on the management of malignant pleural mesothelioma. Methods ASCO convened an Expert Panel of medical oncology, thoracic surgery, radiation oncology, pulmonary, pathology, imaging, and advocacy experts to conduct a literature search, which included systematic reviews, meta-analyses, randomized controlled trials, and prospective and retrospective comparative observational studies published from 1990 through 2017. Outcomes of interest included survival, disease-free or recurrence-free survival, and quality of life...
January 18, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29345284/quantitative-proteomics-analysis-of-the-role-of-tetraspanin-8-in-the-drug-resistance-of-gastric-cancer
#6
Lan Li, Daping Yang, Dejun Cui, Yu Li, Zhao Nie, Jinglin Wang, Li Liang
Gastric cancer, due to its high incidence rate, is the second leading cause of cancer-related mortality worldwide. Chemotherapy is an important component of the multimodal treatment for gastric cancer; however, a significant impediment to successful treatment is multidrug resistance (MDR) in patients with gastric cancer. In the present study, the protein profiles of the MDR cell line, SGC7901/DDP, and its parental cell line, SGC7901, were comparatively analyzed through an iTRAQ-based quantitative proteomics technique...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29344344/acetylcholinesterase-inhibitors-in-treatment-resistant-psychotic-depression
#7
Chris Smart, Hamish McAllister-Williams, David Andrew Cousins
Dopamine receptor antagonists can be effective in psychotic depression but response is not assured. Visual hallucinations may arise from a dysregulation of brain cholinergic systems and acetylcholinesterase inhibitors (AChEIs) can treat such hallucinations in dementia with Lewy bodies (DLB). AChEIs have been used in schizophrenia with some success but their efficacy and tolerability in psychotic depression is unclear. This striking case illustrates AChEIs specifically targeting multimodal hallucinations in treatment-resistant depression...
January 2018: Therapeutic Advances in Psychopharmacology
https://www.readbyqxmd.com/read/29344059/retinitis-pigmentosa-sine-pigmento-mimicking-a-chiasm-disease
#8
Francesco Pellegrini, Giovanni Prosdocimo, Francesco Romano, Emanuela Interlandi
A 75-year-old woman presented to her ophthalmologist complaining of visual loss for several years. The ophthalmic examination was remarkable for a bitemporal visual field defect. Magnetic resonance imaging (MRI) scan of the brain was normal without evidence of chiasm compression. Neuro-ophthalmic examination was consistent with a retinal rather than a chiasmal disease. Retinal multimodal imaging helped in the correct diagnosis of retinitis pigmentosa, later confirmed by genetic testing.
August 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/29343980/peripheral-and-spinal-trpa1-channels-contribute-to-formalin-induced-long-lasting-mechanical-hypersensitivity
#9
Vladimir A Martínez-Rojas, Guadalupe García, Roxana Noriega-Navarro, Crystell G Guzmán-Priego, Jorge E Torres-López, Vinicio Granados-Soto, Janet Murbartián
Background: Transient receptor potential ankyrin 1 (TRPA1) is a non-selective cation channel expressed by a subset of nociceptive neurons that acts as a multimodal receptor. Its activity contributes to modulate nociceptive transmission in acute inflammatory pain. However, the role of this channel in chronic pain has been less studied. The purpose of this study was to investigate the local peripheral and spinal participation of TRPA1 channels in formalin-induced long-lasting hypersensitivity...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29343932/effects-of-multimodal-mandala-yoga-on-social-and-emotional-skills-for-youth-with-autism-spectrum-disorder-an-exploratory-study
#10
Lyn Gorbett Litchke, Ting Liu, Stephanie Castro
Context: Youth with autism spectrum disorder (ASD) demonstrates impairment in the ability to socially and emotionally relate to others that can limit participation in groups, interaction with peers, and building successful life relationships. Aims: The aim of this exploratory study was to examine the effects of a novel multimodal Mandala yoga program on social and emotional skills for youth with ASD. Subjects and Methods: Five males with ASD attended 1 h yoga sessions, twice a week for 4 weeks...
January 2018: International Journal of Yoga
https://www.readbyqxmd.com/read/29343751/altered-power-spectral-density-in-the-resting-state-sensorimotor-network-in-patients-with-myotonic-dystrophy-type-1
#11
Jin-Sung Park, Jeehye Seo, Hyunsil Cha, Hui-Jin Song, Sang-Hoon Lee, Kyung Eun Jang, Hui Joong Lee, Juyoung Park, Ho-Won Lee, Yongmin Chang
Myotonic dystrophy type 1 (DM1) is a multisystemic disease that involves the brain with several neurological symptoms. Although there were few imaging studies on DM1, no studies have investigated functional alterations in the sensorimotor network at rest in patients with DM1. In the current study, a power spectral density (PSD) analysis of resting-state fMRI data was performed to assess possible alteration in spontaneous neural activity of the sensorimotor network in patients with DM1. Compared to healthy controls, patients with DM1 showed higher PSD responses in the orbitofrontal cortex, parahippocampus and basal ganglia (corrected P < 0...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343635/combining-radiation-with-hyperthermia-a-multiscale-model-informed-by-in-vitro-experiments
#12
S Brüningk, G Powathil, P Ziegenhein, J Ijaz, I Rivens, S Nill, M Chaplain, U Oelfke, G Ter Haar
Combined radiotherapy and hyperthermia offer great potential for the successful treatment of radio-resistant tumours through thermo-radiosensitization. Tumour response heterogeneity, due to intrinsic, or micro-environmentally induced factors, may greatly influence treatment outcome, but is difficult to account for using traditional treatment planning approaches. Systems oncology simulation, using mathematical models designed to predict tumour growth and treatment response, provides a powerful tool for analysis and optimization of combined treatments...
January 2018: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29343412/implementing-genome-driven-personalized-cardiology-in-clinical-practice
#13
REVIEW
Ares Pasipoularides
Genomics designates the coordinated investigation of a large number of genes in the context of a biological process or disease. It may be long before we attain comprehensive understanding of the genomics of common complex cardiovascular diseases (CVDs) such as inherited cardiomyopathies, valvular diseases, primary arrhythmogenic conditions, congenital heart syndromes, hypercholesterolemia and atherosclerotic heart disease, hypertensive syndromes, and heart failure with preserved/reduced ejection fraction. Nonetheless, as genomics is evolving rapidly, it is constructive to survey now pertinent concepts and breakthroughs...
January 14, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29343221/a-case-of-molecularly-profiled-extraneural-medulloblastoma-metastases-in-a-child
#14
Nahla Ali Mobark, Musa Al-Harbi, Othman Mosleh, Sandro Santagata, Matija Snuderl, Malak Abedalthagafi
BACKGROUND: Extraneural metastases are relatively rare manifestations of medulloblastoma. CASE PRESENTATION: We present the case of a young boy with group three MYCN-amplified medulloblastoma. He received multimodal chemotherapy consisting of gross total resection followed by postoperative craniospinal radiation and adjuvant chemotherapy. The patient developed extraneural metastases 4 months after the end of therapy. Literature review identifies the poor prognosis of MYCN-amplified medulloblastomas as well as extraneural metastases; we review the current limitations and future directions of medulloblastoma treatment options...
January 17, 2018: BMC Medical Genetics
https://www.readbyqxmd.com/read/29341816/red-cell-indexes-made-easy-using-an-interactive-animation-do-students-and-their-scores-concur
#15
Upasana Kachroo, Elizabeth Vinod, Sivakumar Balasubramanian, Jesi W, Neetu Prince
A good understanding of red cell indexes can aid medical students in a considerable manner, serving as a basis to unravel both concepts in red cell physiology and abnormalities associated with the same. In this study, we tried to assess whether an interactive animation was helpful in improving student comprehension and understanding of red cell indexes compared with conventional classroom teaching. Eighty-eight first-year MBBS students participated, of which 44 were assigned to group A and 44 were assigned to group B after randomization...
March 1, 2018: Advances in Physiology Education
https://www.readbyqxmd.com/read/29341712/spatial-multiplexing-of-atom-photon-entanglement-sources-using-feedforward-control-and-switching-networks
#16
Long Tian, Zhongxiao Xu, Lirong Chen, Wei Ge, Haoxiang Yuan, Yafei Wen, Shengzhi Wang, Shujing Li, Hai Wang
The light-matter quantum interface that can create quantum correlations or entanglement between a photon and one atomic collective excitation is a fundamental building block for a quantum repeater. The intrinsic limit is that the probability of preparing such nonclassical atom-photon correlations has to be kept low in order to suppress multiexcitation. To enhance this probability without introducing multiexcitation errors, a promising scheme is to apply multimode memories to the interface. Significant progress has been made in temporal, spectral, and spatial multiplexing memories, but the enhanced probability for generating the entangled atom-photon pair has not been experimentally realized...
September 29, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29341320/spatiotemporal-metabolic-and-therapeutic-characterization-of-altered-functional-connectivity-in-major-depressive-disorder
#17
Jintao Sheng, Yuedi Shen, Yanhua Qin, Lei Zhang, Binjia Jiang, Yaoyao Li, Luoyi Xu, Wei Chen, Jinhui Wang
Although imbalanced functional integration has been increasingly reported in major depressive disorder (MDD), there still lacks a general framework to characterize common characteristic and origin shared by the integrative disturbances. Here we examined spatial selectivity, temporal uniqueness, metabolic basis, and therapeutic response of altered functional connectivity (FC) in MDD by analyzing both cross-sectional and longitudinal multimodal functional magnetic resonance imaging data from 35 patients and 34 demographically matched healthy controls...
January 17, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29341038/-the-use-of-deep-inferior-epigastric-vessels-to-revascularise-free-flaps-for-reconstruction-of-complex-oncosurgical-defects-of-the-thigh-and-the-abdomen
#18
F Simunovic, U Wittel, B Passlick, S Wiesemann, M Czerny, M Südkamp, G B Stark, H Bannasch
BACKGROUND: The resection of large soft-tissue sarcoma requires reconstruction with free flaps. The choice of recipient vessels is crucial for the success of surgery. PATIENTS: We report four cases with large soft-tissue sarcomas with complex anatomical relationships: two tumors of the thigh surrounding the femoral neurovascular structures and two tumors of the abdomen with infiltration of the thorax and the abdomen. All cases received multimodal interdisciplinary treatment...
January 16, 2018: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/29341024/advanced-contrast-agents-for-multimodal-biomedical-imaging-based-on-nanotechnology
#19
Daniel Calle, Paloma Ballesteros, Sebastián Cerdán
Clinical imaging modalities have reached a prominent role in medical diagnosis and patient management in the last decades. Different image methodologies as Positron Emission Tomography, Single Photon Emission Tomography, X-Rays, or Magnetic Resonance Imaging are in continuous evolution to satisfy the increasing demands of current medical diagnosis. Progress in these methodologies has been favored by the parallel development of increasingly more powerful contrast agents. These are molecules that enhance the intrinsic contrast of the images in the tissues where they accumulate, revealing noninvasively the presence of characteristic molecular targets or differential physiopathological microenvironments...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29340288/7t-mri-subthalamic-nucleus-atlas-for-use-with-3t-mri
#20
Mikhail Milchenko, Scott A Norris, Kathleen Poston, Meghan C Campbell, Mwiza Ushe, Joel S Perlmutter, Abraham Z Snyder
Deep brain stimulation (DBS) of the subthalamic nucleus (STN) reduces motor symptoms in most patients with Parkinson disease (PD), yet may produce untoward effects. Investigation of DBS effects requires accurate localization of the STN, which can be difficult to identify on magnetic resonance images collected with clinically available 3T scanners. The goal of this study is to develop a high-quality STN atlas that can be applied to standard 3T images. We created a high-definition STN atlas derived from seven older participants imaged at 7T...
January 2018: Journal of Medical Imaging
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