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https://www.readbyqxmd.com/read/28652701/follow-up-of-the-retinal-nerve-fiber-layer-thickness-of-diabetic-patients-type-2-as-a-predisposing-factor-for-glaucoma-compared-to-normal-subjects
#1
Alexandros Takis, Dimitrios Alonistiotis, Nikolaos Ioannou, Evgenia Kontou, Maria Mitsopoulou, Dimitrios Papaconstantinou
PURPOSE: To evaluate and follow-up the retinal nerve fiber layer (RNFL) thickness in patients with diabetes mellitus type 2 compared to a group of healthy individuals with similar demographic characteristics. PATIENTS AND METHODS: This is a prospective, noninvasive, observational case series study. For the purposes of the study, 27 eyes of diabetic patients without diabetic retinopathy, 24 eyes of patients with mild retinopathy, and 25 normal age-matched subjects (control group [CG]) were examined...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28650925/quantitative-analysis-of-the-inner-retinal-layer-thicknesses-in-age-related-macular-degeneration-using-corrected-optical-coherence-tomography-segmentation
#2
Ilkay Kilic Muftuoglu, Hema L Ramkumar, Dirk-Uwe Bartsch, Amit Meshi, Raouf Gaber, William R Freeman
PURPOSE: To characterize inner retinal damage in patients with dry age-related macular degeneration (AMD) using high-resolution spectral domain optical coherence tomography images. METHODS: Sixty eyes of 60 patients with AMD were categorized using the Age-Related Eye Disease Study (AREDS) severity scale. Spectral domain optical coherence tomography images of these patients were quantified by manually correcting the segmentation of each retinal layer, including the retinal nerve fiber layer, ganglion cell layer, and inner plexiform layer to ensure accurate delineation of layers...
June 23, 2017: Retina
https://www.readbyqxmd.com/read/28650218/bilateral-surgical-damage-of-the-central-tegmental-tract-resulting-in-bilateral-hypertrophic-olivary-degeneration-an-mri-case-report
#3
Silvia Lana, Chiara Ganazzoli, Girolamo Crisi
Hypertrophic olivary degeneration (HOD) is a rare trans-synaptic neuronal degeneration of the inferior olivary nucleus caused by an injury to the dentato-rubro-olivary connection, also known as Guillain-Mollaret triangle. It leads to hypertrophy of the affected nucleus rather than atrophy and is characterized by hyperintensity on T2-weighted images. Unilateral and bilateral cases are described. We present a case of a 70-year-old patient affected by a tumor inside the fourth ventricle who suffered from diplopia and right seventh cranial nerve palsy...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28647203/gene-therapy-for-leber-hereditary-optic-neuropathy-low-and-medium-dose-visual-results
#4
John Guy, William J Feuer, Janet L Davis, Vittorio Porciatti, Phillip J Gonzalez, Rajeshwari D Koilkonda, Huijun Yuan, William W Hauswirth, Byron L Lam
PURPOSE: To determine the effects of AAV2(Y444,500,730F)-P1ND4v2 in patients with Leber hereditary optic neuropathy (LHON). DESIGN: Prospective open-label, unilateral single-dose, intravitreal injection of AAV2(Y444,500,730F)-P1ND4v2 per participant. PARTICIPANTS: Fourteen patients with visual loss and mutated G11778A mitochondrial DNA. METHODS: Intravitreal injection with the gene therapy vector AAV2(Y444,500,730F)-P1ND4v2 into 1 eye...
June 21, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28646596/the-course-and-distribution-of-the-buccal-nerve-clinical-relevance-in-dentistry
#5
Kojiro Takezawa, Mounir Ghabriel, Grant Townsend
BACKGROUND: The buccal branch of the mandibular division of the trigeminal nerve is commonly anaesthetised for dental procedures and may be damaged during surgery. Descriptions of the distribution of the buccal nerve (BN) in anatomical texts are generally lacking in detail and do not provide information about the extent of its variation between individuals. There are also commonly-held clinical beliefs about the BN that lack support from anatomical dissections. METHODS: Detailed dissections of the course and distribution of the BN were performed in a sample of 12 hemi-heads from 11 edentulous and partially dentate human adult cadavers...
June 24, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28646422/how-to-avoid-and-to-manage-post-operative-complications-in-thyroid-surgery
#6
REVIEW
Matteo Angelo Cannizzaro, Salvatore Lo Bianco, Maria Carolina Picardo, Daniele Provenzano, Antonino Buffone
Complications of thyroidectomy are hypoparathyroidism, recurrent laryngeal nerve palsy, and hemorrhage. These complications have a low incidence. Hypoparathyroidism is the most frequent complication of total thyroidectomy. Its incidence varies between 0.5 and 65%. This complication is also visible after reoperation for recurrent disease and in patients previously treated with radioiodine. Damage to the recurrent laryngeal nerve can be temporary or permanent, unilateral or bilateral. The bilateral lesion, associated with severe episodes of breathlessness, is a rare complication (0...
June 23, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28644938/preoperative-epoxy-embolization-facilitates-the-safe-and-effective-resection-of-venous-malformations-in-the-hand-and-forearm
#7
Brian P Holly, Yuval A Patel, James Park, Laura M Fayad, E Gene Deune, Sally E Mitchell, Clifford R Weiss
BACKGROUND: The standard of care for treatment of low-flow venous malformations (VMs) is percutaneous sclerotherapy. These lesions are seldom surgically resected, especially if the malformation is in an anatomically difficult location. Percutaneous sclerotherapy is safe and effective. However, the drawbacks to sclerotherapy are the need for repeated treatments and risks of skin ulceration, deep venous thrombosis, scarring/contractures, and nerve damage. Surgical resection can be difficult because of intraoperative bleeding, intraoperative lesional decompression, and difficulty in localization...
July 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28643303/-application-of-fascia-orientation-of-pelvic-autonomic-nerve-preservation-in-rectal-cancer-surgery
#8
Xiaobo Liang, Yi Wang, Guolong Ma
Rectal cancer has become the second most common gastrointestinal tumor in our country. With the development of comprehensive treatment, the long-term survival rate of patients with rectal cancer has greatly increased, meanwhile, higher postoperative quality of life is required. But the genitourinary dysfunction which is mainly caused by intraoperative pelvic autonomic nerve damage haunts postoperative rectal cancer patients. Traditional pelvic autonomic nerve protection technology born in the 1980s only improves urogenital function in a part of postoperative patients...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28643176/a-promising-tool-in-retina-regeneration-current-perspectives-and-challenges-when-using-mesenchymal-progenitor-stem-cells-in-veterinary-and-human-ophthalmological-applications
#9
REVIEW
Anna Cislo-Pakuluk, Krzysztof Marycz
Visual impairment is a common ailment of the current world population, with more exposure to CCD screens and fluorescent lighting, approximately 285 billion people suffer from this deficiency and 13% of those are considered clinically blind. More common causes for visual impairment include age-related macular degeneration (AMD), glaucoma and diabetic retinopathy (Zhu et al. Molecular Medicine Reports, 2015; Kolb et al. 2007; Machalińska et al. Current Eye Research, 34(9),748-760, 2009) among a few. As cases of retinal and optic nerve diseases rise, it is vital to find a treatment, which has led to investigation of the therapeutic potential of various stem cells types (Bull et al...
June 22, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28642653/clinical-application-of-a-drill-guide-template-for-pedicle-screw-placement-in-severe-scoliosis
#10
Xin Li, Yaoshen Zhang, Qiang Zhang, Changsong Zhao, Kun Liu
OBJECTIVE: To evaluate the accuracy and the effect of drill guide template for pedicle screw placement in severe scoliosis. METHOD: Eight patients with rigid scoliosis were enrolled, five males and three females, ranging from nine to 23 years old. A three-dimensional CT scan of the spine was performed and saved as a DICOM file type. The multi-level template was designed by Mimics software and manufactured according to the part of the most severe deformity. The drill template was placed on the corresponding vertebral surface...
March 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642110/pedf-plus-dha-modulate-inflammation-and-stimulate-nerve-regeneration-after-hsv-1-infection
#11
Jiucheng He, Donna Neumann, Azucena Kakazu, Thang Luong Pham, Farhana Musarrat, M Soledad Cortina, Haydee E P Bazan
Herpes simplex virus type-1 (HSV-1) infection leads to impaired corneal sensation and, in severe cases, to corneal ulceration, melting and perforation. Here, we explore the potential therapeutic action of pigment epithelial-derived factor (PEDF) plus docosahexaenoic acid (DHA) on corneal inflammation and nerve regeneration following HSV-1 infection. Rabbits inoculated with 100,000 PFU/eye of HSV-1 strain 17Syn+ were treated with PEDF + DHA or vehicle. PEDF + DHA treatment resulted in a biphasic immune response with stronger infiltration of CD4+T cells, neutrophils and macrophages at 7-days post-treatment (p...
June 19, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28641360/-strategies-on-the-treatment-of-nerve-injuries-accompanied-by-severe-soft-tissue-damage-consensus-statement-of-the-german-speaking-society-for-microsurgery-of-peripheral-nerves-and-vessels
#12
Leila Harhaus, Christoph Hirche, Riccardo E Giunta, Oskar Aszmann, Frank Siemers, U Kneser, Marcus Lehnhardt
Nerve injuries with severe soft tissue damage are rare and demand a complex and individualized treatment approach, in order to limit medical and socioeconomic consequences. Since uniform systematic evidence so far is lacking, inconsistent therapy standards are implemented depending on individual experiences and background of respective microsurgeons.In order to provide best conditions for further healing, basic expert consensus statements were developed in a workshop on the 38th Annual Meeting of the German-speaking Community for Microsurgery of the Peripheral Nerves and Vessels (DAM)...
June 22, 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28641113/enhanced-functional-genomic-screening-identifies-novel-mediators-of-dual-leucine-zipper-kinase-dependent-injury-signaling-in-neurons
#13
Derek S Welsbie, Katherine L Mitchell, Vinod Jaskula-Ranga, Valentin M Sluch, Zhiyong Yang, Jessica Kim, Eugen Buehler, Amit Patel, Scott E Martin, Ping-Wu Zhang, Yan Ge, Yukan Duan, John Fuller, Byung-Jin Kim, Eman Hamed, Xitiz Chamling, Lei Lei, Iain D C Fraser, Ze'ev A Ronai, Cynthia A Berlinicke, Donald J Zack
Dual leucine zipper kinase (DLK) has been implicated in cell death signaling secondary to axonal damage in retinal ganglion cells (RGCs) and other neurons. To better understand the pathway through which DLK acts, we developed enhanced functional genomic screens in primary RGCs, including use of arrayed, whole-genome, small interfering RNA libraries. Explaining why DLK inhibition is only partially protective, we identify leucine zipper kinase (LZK) as cooperating with DLK to activate downstream signaling and cell death in RGCs, including in a mouse model of optic nerve injury, and show that the same pathway is active in human stem cell-derived RGCs...
June 21, 2017: Neuron
https://www.readbyqxmd.com/read/28634693/rhepo-enhances-cellular-anti-oxidant-capacity-to-protect-long-term-cultured-aging-primary-nerve-cells
#14
Huqing Wang, Jiaxin Fan, Mengyi Chen, Qingling Yao, Zhen Gao, Guilian Zhang, Haiqin Wu, Xiaorui Yu
Erythropoietin (EPO) may protect the nervous system of animals against aging damage, making it a potential anti-aging drug for the nervous system. However, experimental evidence from natural aging nerve cell models is lacking, and the efficacy of EPO and underlying mechanism of this effect warrant further study. Thus, the present study used long-term cultured primary nerve cells to successfully mimic the natural aging process of nerve cells. Starting on the 11th day of culture, cells were treated with different concentrations of recombinant human erythropoietin (rhEPO)...
June 21, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28633926/synergic-stimulation-of-serotonin-5-ht1a-receptor-and-%C3%AE-2-adrenoceptors-for-neuropathic-pain-relief-preclinical-effects-of-2-substituted-imidazoline-derivatives
#15
Lorenzo Di Cesare Mannelli, Carla Ghelardini, Laura Micheli, Fabio Del Bello, Mario Giannella, Alessandro Piergentili, Wilma Quaglia
Neuropathic pain affects millions of people causing disability and impairing quality of life. Commonly used analgesics are generally characterized by limited therapeutic outcomes. The serotonin 5-HT1A receptor and the α2 adrenergic receptors are involved in central nociceptive mechanisms with a pivotal role in the inhibitory descending pain pathway. Since their stimulation may modulate the nervous signaling altered by neuropathies, the purpose of the present research is the study of the combined activation of 5-HT1A and α2 receptors by rationally designed imidazoline ligands ((S)-1 and 2-5) in a rat model of neuropathic pain (chronic constriction injury - CCI)...
June 17, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28633333/anti-natural-octyl-disaccharide-leprosy-idri-diagnostic-ndo-lid-antibodies-as-indicators-of-leprosy-reactions-and-neuritis
#16
Héctor Serrano-Coll, Mónica Muñoz, Juan Camilo Beltrán, Malcolm S Duthie, Nora Cardona-Castro
Background: Leprosy is a complex infectious and neurological disease caused by Mycobacterium leprae. Nerve damage is related to immunological hypersensitivity responses known as leprosy reactions (LRs). Diagnostic tools to predict LRs are not available. We hypothesized that natural octyl disaccharide-leprosy IDRI diagnostic (NDO-LID) would be helpful as an indicator of LRs and neuritis. Methods: To assess the utility of NDO-LID in indicating reactions, ELISA were used to detect specific antibodies in serum samples from 80 Colombian leprosy patients (40 with and 40 without history of LRs)...
March 1, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28632031/mr-imaging-of-the-anterior-visual-pathway-in-primary-open-angle-glaucoma-correlation-with-octopus-101-perimetry-and-spectralis-optical-coherence-tomography-findings
#17
Mehmet Giray Ersoz, Yeliz Pekcevik, Emre Ayintap, İrfan Botan Gunes, Duygu Kunak Mart, Ersin Yucel, Gamze Türe
PURPOSE: To investigate structural changes in the visual pathway measured by magnetic resonance imaging (MRI) and its relationship with the clinical severity of glaucoma in primary open-angle glaucoma (POAG) patients. MATERIALS AND METHODS: The study included 28 patients with POAG and 26 age- and sex-matched healthy volunteers. All the subjects underwent spectral domain optical coherence tomography (OCT) of the peripapillary retina nerve fiber layer (RNFL). The optic nerve diameter (OND), chiasma height (Ch), and lateral geniculate nucleus height (LGNh) were measured bilaterally using a 1...
February 28, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28630356/developmental-downregulation-of-lis1-expression-limits-axonal-extension-and-allows-axon-pruning
#18
Kanako Kumamoto, Tokuichi Iguchi, Ryuichi Ishida, Takuya Uemura, Makoto Sato, Shinji Hirotsune
The robust axonal growth and regenerative capacities of young neurons decrease substantially with age. This developmental downregulation of axonal growth may facilitate axonal pruning and neural circuit formation but limits functional recovery following nerve damage. While external factors influencing axonal growth have been extensively investigated, relatively little is known about the intrinsic molecular changes underlying the age-dependent reduction in regeneration capacity. We report that developmental downregulation of LIS1 is responsible for the decreased axonal extension capacity of mature dorsal root ganglion (DRG) neurons...
June 19, 2017: Biology Open
https://www.readbyqxmd.com/read/28628532/evaluation-of-the-effectiveness-and-safety-of-ultrasound-guided-percutaneous-carpal-tunnel-release-a-cadaveric-study
#19
Robert Burnham, Larry Playfair, Eldon Loh, Shannon Roberts, Anne Agur
OBJECTIVE: The looped thread carpal tunnel release (TCTR) procedure is a minimally invasive percutaneous technique performed under ultrasound (US) to transect the transverse carpal ligament in patients with carpal tunnel syndrome. Study objectives were to evaluate the accuracy of identifying key US landmarks, safety, effectiveness, and technical difficulty of TCTR. DESIGN: Fourteen lightly embalmed cadaveric distal forearm-hand specimens were subject to US identification of key landmarks, TCTR procedure, and post-TCTR dissection...
July 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28625252/-cerebral-injury-induced-by-heat-stroke-and-the-therapeutic-effect-of-hyperbaric-oxygen-therapy
#20
Xiaoxiao Ni, Zhifeng Liu, Qiuyou Xie, Huasheng Tong, Lei Su, Ronghao Yu
With the global warming, the incidence of heat stroke was significantly higher than before. Severe heat stroke has a high mortality, high morbidity and consolidated central nervous system injury characteristics. The main features of severe heat stroke cerebral injury include cognitive impairment, delirium, convulsions and coma. Its mechanism is related with heat shock induced cerebral tissue ischemia and hypoxia, vascular dysfunction, secondary cascade inflammation and so on. Currently, the main treatment of heat stroke cerebral injury is the hypothermia therapy, dehydration for the reduction of intracranial pressure, naloxone and other cerebral protection and nutrition treatments...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
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