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https://www.readbyqxmd.com/read/28239777/-limbal-epithelial-stem-cell-transplantation-current-state-and-perspectives
#1
D Meller, H Thomasen
Homeostasis of the corneal surface is maintained by epithelial stem cells localized in the limbus. Multiple intrinsic factors or external injuries can destroy the delicate microenvironment of limbal epithelial stem cells causing a state which is termed limbal stem cell deficiency (LSCD). In such cases, re-epithelialization of the cornea is drastically impeded and conjunctival epithelium starts to extend beyond the limbus and to invade the corneal surface. In partial LSCD, a superficial keratectomy combined with an amniotic membrane is advised and helpful to restore an intact, healthy ocular surface...
February 26, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28239750/light-and-laser-treatment-modalities-for-disseminated-superficial-actinic-porokeratosis-a-systematic-review
#2
Gregory A Aird, Jenna L Sitenga, Austin Huy Nguyen, Adam Vaudreuil, Christopher J Huerter
Treatment of disseminated superficial actinic porokeratosis (DSAP) is poorly standardized. The present review seeks to comprehensively discuss the potential for laser and light modalities in the treatment of DSAP. A systematic review of light and laser treatment modalities was conducted to include 26 cases of patients with DSAP. Systematic review resulted in 14 articles to be included. Photodynamic therapy (PDT) overall was the least successful treatment modality, with clinical improvement seen in a minority of patients (MAL-PDT: N = 9 patients, 33...
February 27, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28239587/manoeuvres-to-improve-endoscopic-visualization-of-hypopharynx
#3
Pooja Thakur, V K Poorey
The more progress achieved in endoscopy, the more superficial cancers in head and neck region have been diagnosed. There are, however, some areas difficult to observe, particularly the hypopharynx, due to closure of this space. Examination of hypopharynx form an essential part of head and neck examination especially in the suspected malignancies as well as in the cases with unknown primary. As the flexible fiber-optic nasopharyngolaryngoscopy forms an essential part of examination of hypopharynx, the present study aims to evaluate the effectiveness of various manoeuvres devised to aid in better visualization of the hypopharynx...
March 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28238927/initial-and-long-term-results-of-a-microcatheter-based-retrograde-approach-for-the-endovascular-treatment-of-chronic-total-occlusion-in-iliac-or-femoropopliteal-arteries
#4
Junya Matsumi, Takuma Takada, Noriaki Moriyama, Tomoki Ochiai, Kazuki Tobita, Koki Shishido, Kazuya Sugitatsu, Shingo Mizuno, Futoshi Yamanaka, Masato Murakami, Yutaka Tanaka, Saeko Takahashi, Takeshi Akasaka, Shigeru Saito
BACKGROUND: Initial and long-term outcomes of the retrograde endovascular approach using a microcatheter for the treatment of chronic total occlusion (CTO) in the iliac or femoropopliteal (FP) arteries has not been fully elucidated. METHODS: From 2012 to 2014, 20 consecutive patients (21 limbs) underwent endovascular therapy (EVT) for CTO in the iliac or FP arteries using the microcatheter-based retrograde approach. An analysis of the initial and long-term outcomes was conducted...
February 23, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28238500/evaluation-of-early-childhood-home-visiting-to-prevent-medically-attended-unintentional-injury
#5
Alonzo T Folger, Katherine A Bowers, Judith W Dexheimer, Ting Sa, Eric S Hall, Judith B Van Ginkel, Robert T Ammerman
STUDY OBJECTIVE: We evaluated the influence of home visiting on the risk for medically attended unintentional injury during home visiting (0 to 3 years) and subsequent to home visiting (3 to 5 years). METHODS: A retrospective, quasi-experimental study was conducted in a cohort of mother-child pairs in Hamilton County, OH. The birth cohort (2006 to 2012) was linked to administrative home visiting records and data from a population-based injury surveillance system containing records of emergency department (ED) visits and hospitalizations...
February 23, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28237817/p2x7-receptor-sensitivity-of-astrocytes-and-neurons-in-the-substantia-gelatinosa-of-organotypic-spinal-cord-slices-of-the-mouse-depend-on-the-length-of-the-culture-period
#6
Po Gao, Xiaowei Ding, Tahir Muhammad Khan, Weifang Rong, Heike Franke, Peter Illes
The whole-cell patch clamp technique was used to record current responses to AMPA, NMDA, muscimol and dibenzoyl-ATP (Bz-ATP) in superficial (reactive/gliotic) substantia gelatinosa (SG) astrocytes and neurons of spinal cord slices kept for different periods of time in organotypic culture. Currents induced by AMPA, NMDA and muscimol confirmed the existence of their specific receptors in 2 weeks old neurons; astrocytes cultured for the same period of time responded to AMPA and muscimol, but not to NMDA. AMPA had a larger effect in 2 weeks old astrocytes than in the 1 week old ones, in spite of a similar sensitivity of the age-matched neurons to this amino acid...
February 22, 2017: Neuroscience
https://www.readbyqxmd.com/read/28237575/modeling-tics-in-rodents-conceptual-challenges-and-paths-forward
#7
Marco Bortolato, Christopher Pittenger
BACKGROUND: Recent advances in our understanding of the neurobiology of tics have led to the development of novel rodent models capturing different pathophysiological and phenotypic aspects of Tourette syndrome. The proliferation of these models, however, raises vexing questions on what standards should be adopted to assess their theoretical validity and empirical utility. Assessing the homology of a rodent motoric burst with a tic remains problematic, due to our incomplete knowledge of the underpinnings of tics, their high phenotypic complexity and variability, limitations in our ability test key aspects of tic phenomenology (such as premonitory sensory phenomena) in animals, and between-species differences in neuroanatomy and behavioral repertoire...
February 22, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28237540/heritability-of-the-femoral-intima-media-thickness
#8
Bence Fejer, Adam D Tarnoki, David L Tarnoki, Pierleone Lucatelli, Levente Littvay, Pal Maurovich-Horvat, Adam L Jermendy, Attila Kovacs, Erika Godor, Corrado Fagnani, Maria A Stazi, Andrea A Molnar, Fabrizio Fanelli, Carlo Cirelli, Filippo Farina, Claudio Baracchini, Giorgio Meneghetti, Giacomo Pucci, Gyorgy Jermendy, Bela Merkely, Giuseppe Schillaci, Emanuela Medda
BACKGROUND: The measurement of femoral intima-media thickness (IMT) is underutilized in the clinical practice, although it is a surrogate marker of cardiovascular disease. MATERIALS AND METHODS: 388 Hungarian and Italian twins (121 monozygotic, 73 dizygotic pairs) underwent bilateral B-mode sonography of femoral arteries. IMT was measured by semiautomated software, where available, or by calipers. RESULTS: Within-pair correlation in monozygotic twins was higher than in dizygotics for each parameter...
February 22, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28236917/outcomes-of-native-superficial-femoral-artery-chronic-total-occlusion-recanalization-after-failed-femoropopliteal-bypass
#9
Mark G Davies, Hosam F El-Sayed
OBJECTIVE: When a bypass fails, the options are lysis, redo bypass, or endovascular intervention. If lysis of the original bypass is not considered an option, which is better-redo bypass or attempts at endovascular recanalization of the native system? This retrospective study examined the outcomes of native superficial femoral artery (SFA) chronic total occlusion (CTO) recanalization compared with redo bypass after failed femoropopliteal bypass. METHODS: Patients presenting with a symptomatic failed femoropopliteal bypass that underwent attempted CTO endovascular (EV) recanalization of the native SFA or a redo femoropopliteal bypass (BP) from 2000 to 2015 were analyzed...
March 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28236540/a-critical-review-on-serine-protease-key-immune-manipulator-and-pathology-mediator
#10
REVIEW
S Patel
Proteolytic activity is fundamental to survival, so it is not surprising that all living organisms have proteases, especially seine protease. This enzyme in its numerous isoforms and homologues, constitutes the quintessential offence and defence factors, in the form of surface proteins, secreted molecules, gut digestive enzymes, venom in specialised glands or plant latex, among other manifestations. Occurring as trypsin, chymotrypsin, elastase, collagenase, thrombin, subtilisin etc., it mediates a diverse array of functions, including pathological roles as inflammatory, coagulatory to haemorrhagic...
February 21, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28236353/evaluation-of-growth-conditions-and-dna-extraction-techniques-used-in-the-molecular-analysis-of-dermatophytes
#11
Sebastian Gnat, Aneta Nowakiewicz, Grażyna Ziółkowska, Aleksandra Trościańczyk, Barbara Majer-Dziedzic, Przemysław Zięba
AIMS: Recent molecular methods for diagnosis of superficial mycoses have determined the need for a rapid and easy method of extracting DNA. The aim of study was to determine growth conditions and techniques of DNA extraction for Microsporum canis, Trichophyton mentagrophytes, and T. verrucosum. METHODS AND RESULTS: Samples were prepared of each of the DNA extraction methods (phenol-chloroform, CTAB, and four different kits) for all of the incubation periods (four, seven, and 10 d) of the cultures on the solid and in the liquid medium...
February 25, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28235442/treatment-of-low-risk-basal-cell%C3%A2-carcinoma
#12
Nicole W J Kelleners-Smeets, Klara Mosterd, Patty J Nelemans
With the continuously rising incidence and changing populations of patients with basal cell carcinoma, evidence about the different treatment modalities is mandatory. Randomized clinical trials, such as the surgery versus imiquimod for nodular superficial basal cell carcinoma trial, can provide this evidence. Patients can then be informed about all aspects of alternative treatment options so that conscious, shared decisions can be made.
March 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28231648/evaluation-of-infection-after-anterior-cruciate-ligament-reconstruction-during-a-short-period
#13
Hee-June Kim, Hyun-Joo Lee, Jong-Chul Lee, Seung-Gi Min, Hee-Soo Kyung
Purpose: We encountered 7 cases (7.1%) of infection (5 deep and 2 superficial) in 98 cases of anterior cruciate ligament (ACL) reconstruction using hamstring autografts in a 17-month period. The aim of this study was to analyze the causes of infection and to introduce our treatment strategy. Materials and Methods: We investigated the shelf-life of the fixation implants, the order of surgery, previous knee surgery, infectious pathogen, treatment of infection, and results of treatment...
March 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28230852/single-locoregional-triamcinolone-injection-immediately-after-esophageal-endoscopic-submucosal-dissection-prevents-stricture-formation
#14
Yasuaki Nagami, Masatsugu Shiba, Masaki Ominami, Taishi Sakai, Hiroaki Minamino, Shusei Fukunaga, Satoshi Sugimori, Fumio Tanaka, Noriko Kamata, Tetsuya Tanigawa, Hirokazu Yamagami, Toshio Watanabe, Kazunari Tominaga, Yasuhiro Fujiwara, Tetsuo Arakawa
OBJECTIVES: Although endoscopic submucosal dissection (ESD) is an efficient treatment for superficial esophageal cancer, it is associated with stricture formation after wide-circumference resection that leads to a low quality of life. Although locoregional steroid injections prevent stricture formation, a randomized comparative study did not report any advantages associated with steroid injection. We evaluated the prophylactic efficacy of a single locoregional triamcinolone injection for stricture formation after esophageal ESD...
February 23, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28230244/topical-anaesthetics-for-pain-control-during-repair-of-dermal-laceration
#15
REVIEW
Baraa O Tayeb, Anthony Eidelman, Cristy L Eidelman, Ewan D McNicol, Daniel B Carr
BACKGROUND: Topical local anaesthetics provide effective analgesia for patients undergoing numerous superficial procedures, including repair of dermal lacerations. The need for cocaine in topical anaesthetic formulations has been questioned because of concern about adverse effects, thus novel preparations of cocaine-free anaesthetics have been developed. This review was originally published in 2011 and has been updated in 2017. OBJECTIVES: To assess whether benefits of non-invasive topical anaesthetic application occur at the expense of decreased analgesic efficacy...
February 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28230007/laparoscopic-combined-with-percutaneous-ablation-for-hepatocellular-carcinoma-under-liver-capsule-a-single-chinese-center-experience-of-thirty-patients
#16
Zhe Tang, Yi Zhu, Kezhong Tang, Linping Dong, Bin Yang, Heqin Fang, Yulian Wu, Bo Zhang
AIM OF STUDY: For the tumor lesions close to capsule of the liver, traditional percutaneous radiofrequency ablation (PRFA) is limited due to high incidence of postoperative complications. The aim of the present study is to whether laparoscopic combined with PRFA (LCPR) could effectively ablate the tumor lesions close to capsule of the liver. METHODS: A total of 119 patients with subcapsular hepatocellular carcinoma (HCC) were divided into two groups: PRFA group (89 patients) and LCPR group (30 patients)...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28229187/-precursors-of-gastric-cancer-dysplasia-and-adenoma
#17
C Langner
Gastric cancer develops from preneoplastic and early neoplastic precursor lesions. In particular, the intestinal type according to the Lauren classification is driven by chronic inflammation and progresses via a chronic gastritis - atrophy/metaplasia - dysplasia - carcinoma sequence. Staging of the extent of atrophy (OLGA) or intestinal metaplasia (OLGIM) enables risk stratification and determines follow-up investigations according to the management of precancerous conditions and lesions in the stomach (MAPS) international guidelines...
February 22, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28228568/mri-visible-perivascular-spaces-in-cerebral-amyloid-angiopathy-and-hypertensive-arteriopathy
#18
Andreas Charidimou, Gregoire Boulouis, Marco Pasi, Eitan Auriel, Ellis S van Etten, Kellen Haley, Alison Ayres, Kristin M Schwab, Sergi Martinez-Ramirez, Joshua N Goldstein, Jonathan Rosand, Anand Viswanathan, Steven M Greenberg, M Edip Gurol
OBJECTIVE: To assess MRI-visible enlarged perivascular spaces (EPVS) burden and different topographical patterns (in the centrum semiovale [CSO] and basal ganglia [BG]) in 2 common microangiopathies: cerebral amyloid angiopathy (CAA) and hypertensive arteriopathy (HA). METHODS: Consecutive patients with spontaneous intracerebral hemorrhage (ICH) from a prospective MRI cohort were included. Small vessel disease MRI markers, including cerebral microbleeds (CMBs), cortical superficial siderosis (cSS), and white matter hyperintensities (WMH), were rated...
February 22, 2017: Neurology
https://www.readbyqxmd.com/read/28228436/triamcinolone-emboli-leading-to-central-retinal-artery-occlusion-a-multimodal-imaging-study
#19
Nripen Gaur, Pallavi Singh, Rohan Chawla, Brijesh Takkar
A 19-year-old man presented with unilateral sudden onset vision loss following an intra-articular triamcinolone injection in the right temporomandibular joint. At fundus examination emboli of triamcinolone were visible in multiple retinal arteries. Choroidal ischaemia and occlusion of the central retinal artery and its branches were documented at fluorescein angiography. Optical coherence tomography revealed significant thickening of the inner retinal layers. Optical coherence tomography angiography clearly demonstrated an abrupt cut-off of flow in a vessel below the optic disc...
February 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28228409/clinical-and-demographic-study-of-microsporidial-keratoconjunctivitis-in-south-india-a-3-year-study-2013-2015
#20
Rohan Agashe, Naveen Radhakrishnan, Sayali Pradhan, Muthiah Srinivasan, Venkatesh N Prajna, Prajna Lalitha
AIM: To study the demographic profile, clinical features, treatment outcome and ocular morbidity of smear-positive microsporidial keratoconjunctivitis. METHODS: Retrospective case series of all patients with clinical features of microsporidial keratoconjunctivitis and who were smear positive for the same on Gram stain from January 2013 to December 2015. Demographic data, predisposing factors, microbiological investigations, clinical course and visual outcome were analysed...
February 22, 2017: British Journal of Ophthalmology
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