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https://www.readbyqxmd.com/read/29786008/an-unexpected-complication-in-bilateral-acute-iris-transillumination-cystoid-macular-edema
#1
Cigdem Altan, Berna Basarir, Cem Kesim
A 47-year-old male presented with bilateral 4 + circulating pigment in the anterior chamber, diffuse iris transillumination, dilated pupils unresponsive to light, and high intraocular pressure (IOP) levels in both eyes. Visual acuity and IOP improved bilaterally with topical steroid and antiglaucomatous therapy. In the 10th month, bilateral cystoid macular edema (CME) was developed and resolved after subtenon triamcinolone injections. CME recurred after cataract surgery in the right eye which was treated with intravitreal dexamethasone implant injection...
June 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29786006/rebound-inflammation-after-an-intravitreal-injection-in-vogt-koyanagi-harada-syndrome
#2
Richa Ranjan, Manisha Agarwal
A 43-year-old male with chronic Vogt-Koyanagi-Harada syndrome (VKH) presented with subfoveal choroidal neovascular membrane (CNVM) in the right eye with no evidence of active inflammation. He underwent intravitreal bevacizumab and dexamethasone injections. Postinjection he developed fresh keratic precipitates and exudative retinal detachment (RD). He received two more bevacizumab injections with oral corticosteroids and immunosuppressants causing resolution of exudative RD with scarred CNVM. We report this case to highlight that intravitreal injection may act as a trigger for rebound inflammation in VKH patients and may require anti-inflammatory drugs to be started even in the absence of an active inflammation...
June 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29785994/the-efficacy-of-intravitreal-dexamethasone-implant-as-the-first-line-treatment-for-retinal-vein-occlusion-related-macular-edema-in-a-real-life-scenario
#3
Mert Simsek, Mehmet Citirik, Serdar Ozates, Dilara Ozkoyuncu
Purpose: This study evaluated the effect of intravitreal dexamethasone implant (IDI; Ozurdex) injection for treating macular edema in patients with branch retinal vein occlusion (BRVO) or central retinal vein occlusion (CRVO). Methods: This prospective study included 40 eyes of 40 patients with nonischemic BRVO and 31 eyes of 31 patients with nonischemic CRVO who received IDI injection as the first-line treatment for macular edema. The best-corrected visual acuity (BCVA) value before and after the treatment; intraocular pressure; optic coherence tomography findings; and all ocular examination findings, including central foveal thickness (CFT) measurement and fluorescein angiography findings, were evaluated for each patient...
June 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29784741/management-of-multiple-myeloma
#4
Shaji K Kumar
The most recent NCCN Guidelines for Multiple Myeloma include a ranking of the many treatment options for various settings as "preferred," "other," and "useful in certain circumstances." For patients eligible for autologous stem cell transplant (ASCT), the preferred regimen remains bortezomib/lenalidomide/dexamethasone (category 1) or bortezomib/cyclophosphamide/dexamethasone. Upfront ASCT also remains a preferred strategy for patients who are transplant-eligible, despite highly effective newer agents such as induction therapy...
May 2018: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29784422/development-of-a-sers-strategy-to-overcome-the-nanoparticle-stabilisation-effect-in-serum-containing-samples-application-to-the-quantification-of-dopamine-in-the-culture-medium-of-pc-12-cells
#5
E Dumont, C De Bleye, J Cailletaud, P-Y Sacré, P-B Van Lerberghe, B Rogister, G A Rance, J W Aylott, Ph Hubert, E Ziemons
The analysis of serum samples by surface-enhanced Raman spectroscopy (SERS) has gained ground over the last few years. However, the stabilisation of colloids by the proteins contained in these samples has restricted their use in common practice, unless antibodies or aptamers are used. Therefore, this work was dedicated to the development of a SERS methodology allowing the analysis of serum samples in a simple and easy-to-implement way. This approach was based on the pre-aggregation of the colloid with a salt solution...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29784048/a-meta-analysis-of-the-effect-of-a-dexamethasone-intravitreal-implant-versus-intravitreal-anti-vascular-endothelial-growth-factor-treatment-for-diabetic-macular-edema
#6
Ye He, Xin-Jun Ren, Bo-Jie Hu, Wai-Ching Lam, Xiao-Rong Li
BACKGROUND: This meta-analysis evaluated the effectiveness and safety of dexamethasone (DEX) implant and intravitreal anti-vascular endothelial growth factor (VEGF) treatment for diabetic macular edema (DME). METHODS: The PubMed, Embase, clinicaltrials.gov website and Cochrane Library databases were comprehensively searched for studies comparing DEX implant with anti-VEGF in patients with DME. Best-corrected visual acuity (BCVA), central subfield thickness (CST) and adverse events were extracted from the final eligible studies...
May 21, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29783150/electrophoretic-deposition-of-dexamethasone-loaded-gelatin-nanospheres-chitosan-coating-and-its-dual-function-in-anti-inflammation-and-osteogenesis
#7
Hongfei Qi, Qiang Chen, Hailong Ren, Xianglong Wu, Xianhu Liu, Tingli Lu
Surface modification of metallic implants with bioactive and biodegradable coatings could be a promising approach for bone regeneration. The objective of this study was to prepare chitosan/gelatin nanospheres (GNs) composite coating for the delivery of dexamethasone (DEX). GNs with narrow size distribution and negative surface charge were firstly prepared by a two-step desolvation method. Homogeneous and stable gelatin nanospheres/chitosan (GNs/CTS) composite coatings were formed by electrophoretic deposition (EPD)...
May 18, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29782964/an-in-vitro-approach-for-prioritization-and-evaluation-of-chemical-effects-on-glucocorticoid-receptor-mediated-adipogenesis
#8
Jessica K Hartman, Tyler Beames, Bethany Parks, Daniel Doheny, Gina Song, Alina Efremenko, Miyoung Yoon, Briana Foley, Chad Deisenroth, Patrick D McMullen, Rebecca A Clewell
Rising obesity rates worldwide have socio-economic ramifications. While genetics, diet, and lack of exercise are major contributors to obesity, environmental factors may enhance susceptibility through disruption of hormone homeostasis and metabolic processes. The obesogen hypothesis contends that chemical exposure early in development may enhance adipocyte differentiation, thereby increasing the number of adipocytes and predisposing for obesity and metabolic disease. We previously developed a primary human adipose stem cell (hASC) assay to evaluate the effect of environmental chemicals on PPARG-dependent adipogenesis...
May 18, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29782855/role-of-statins-and-mevalonate-pathway-on-impaired-hdac2-activity-induced-by-oxidative-stress-in-human-airway-epithelial-cells
#9
Maria Gabriella Matera, Luigino Calzetta, Giulia Gritti, Laura Gallo, Brunella Perfetto, Giovanna Donnarumma, Mario Cazzola, Paola Rogliani, Maria Donniacuo, Barbara Rinaldi
In patients with chronic obstructive pulmonary disease (COPD) the inflammatory response is often steroid-resistant, likely since oxidative stress and cigarette smoking impair histone deacetylase 2 (HDAC2) activity. Since it has been demonstrated that statins may restore the HDAC2 activity in cultured human endothelial cells, the aim of this study was to investigate the effects of statins in reversing the steroid-resistance induced by oxidative stress. We evaluated the effects of simvastatin and dexamethasone on HDAC2 expression and activity, and the role of mevalonate and Rho/ROCK pathways in A549 cells, a human lung type II epithelial cell line stressed with H2 O2 ...
May 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29782839/different-regulation-of-cortisol-and-corticosterone-in-the-subterranean-rodent-ctenomys-talarum-responses-to-dexamethasone-angiotensin-ii-potassium-and-diet
#10
Federico Vera, C Daniel Antenucci, Roxana R Zenuto
When harmful environmental stimuli occur, glucocorticoids (GCs), cortisol and corticosterone are currently used to evaluate stress status in vertebrates, since their secretions are primarily associated to an increased activity of the hypothalamic-pituitary-adrenal (HPA) axis. To advance in our comprehension about GCs regulation, we evaluated the subterranean rodent Ctenomys talarum to assess cortisol and corticosterone response to (1) the negative feedback of the HPA axis using the dexamethasone (DEX) suppression test, (2) angiotensin II (Ang II), (3) potassium (K+ ) intake, and (4) different diets (vegetables, grasses, acute fasting)...
May 18, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29782196/a-randomized-clinical-trial-of-topical-diclofenac-fluorometholone-and-dexamethasone-for-control-of-inflammation-after-strabismus-surgery
#11
Jinsoo Kim, Dong Chul Choi, Seokhyun Bae, Dong Gyu Choi, Joo Yeon Lee
PURPOSE: To evaluate the comparative effects and safety of topical diclofenac sodium, fluorometholone, and dexamethasone for controlling inflammation after routine strabismus surgery. METHODS: This was a randomized clinical trial. Ninety-nine patients admitted for surgery to treat intermittent exotropia were randomly assigned to receive 1 of 3 postoperative eye drops between January 2015 and February 2016. The primary efficacy outcomes were pain and conjunctival injection...
May 21, 2018: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29781585/group-i-paks-support-muscle-regeneration-and-counteract-cancer-associated-muscle-atrophy
#12
Andrea Cerquone Perpetuini, Andrea David Re Cecconi, Michela Chiappa, Giulia Benedetta Martinelli, Claudia Fuoco, Giovanni Desiderio, Luisa Castagnoli, Cesare Gargioli, Rosanna Piccirillo, Gianni Cesareni
BACKGROUND: Skeletal muscle is characterized by an efficient regeneration potential that is often impaired during myopathies. Understanding the molecular players involved in muscle homeostasis and regeneration could help to find new therapies against muscle degenerative disorders. Previous studies revealed that the Ser/Thr kinase p21 protein-activated kinase 1 (Pak1) was specifically down-regulated in the atrophying gastrocnemius of Yoshida hepatoma-bearing rats. In this study, we evaluated the role of group I Paks during cancer-related atrophy and muscle regeneration...
May 21, 2018: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/29780921/is-it-melanoma-associated-retinopathy-or-drug-toxicity-bilateral-cystoid-macular-edema-posing-a-diagnostic-and-therapeutic-dilemma
#13
Sachi R Patel, Stavros N Moysidis, Nicole Koulisis, Philip P Storey, Amir H Kashani, Narsing A Rao, Damien C Rodger
Purpose: To report the clinical presentation, multimodal imaging, and management of a patient with metastatic melanoma who presented with cystoid macular edema (CME). Observations: We report a case of a 71-year-old Caucasian male with metastatic melanoma who presented with bilateral cystoid macular edema after being on treatment with a programmed T cell death ligand 1 inhibitor, MPDL3280, for 1 year. Multimodal imaging techniques, including color fundus photographs, autofluorescence, spectral domain optical coherence tomography (OCT), fluorescein angiography (Spectralis, Heidelberg, Germany), and spectral-domain OCT angiography (Zeiss; California, USA) were performed to evaluate the etiology of his CME and to monitor his response to treatment...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29779007/is-oral-dexamethasone-as-good-as-oral-prednisolone-for-childhood-wheeze-requiring-steroids
#14
Jiske Steensma, Chris Bird
No abstract text is available yet for this article.
May 19, 2018: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29778704/spectrophotometric-resolution-of-the-severely-overlapped-spectra-of-clotrimazole-with-dexamethasone-in-cream-dosage-form-by-mathematical-manipulation-steps
#15
Hayam Mahmoud Lotfy, Yasmin Mohammed Fayez, Shereen Mostafa Tawakkol, Nesma Mahmoud Fahmy, Mostafa Abd El-Atty Shehata
Several spectrophotometric techniques were recently conducted for the determination of binary mixtures of clotrimazole (CLT) and dexamethasone acetate (DA) without any separation procedure. The methods were based on generation of ratio spectra of mixture then applying simple mathematic manipulation. The zero order absorption spectra of both drugs could be obtained by the constant center (CC) method. The concentration of both CLT and DA could be obtained by constant value via amplitude difference (CV-AD) method depending on ratio spectra, Ratio difference (RD) method where the difference between the amplitudes at two wavelengths (ΔP) on the ratio spectra could eliminate the contribution of the interfering substance and bring the concentration of the other, and the derivative ratio (DD1 ) method where the derivative of the ratio spectra was able to determine the drug of interest without any interference of the other one...
May 10, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29778106/european-multicenter-trial-of-the-prevention-of-cystoid-macular-edema-after-cataract-surgery-in-nondiabetics-escrs-premed-study-report-1
#16
Laura H P Wielders, Jan S A G Schouten, Bjorn Winkens, Frank J H M van den Biggelaar, Claudette A Veldhuizen, Oliver Findl, Joaquim C N Murta, Willem R O Goslings, Marie-José Tassignon, Maurits V Joosse, Ype P Henry, Alexander H F Rulo, José L Güell, Michael Amon, Thomas Kohnen, Rudy M M A Nuijts
PURPOSE: To compare the efficacy of a topical nonsteroidal antiinflammatory drug, topical corticosteroid, and a combination of both drugs to prevent the occurrence of cystoid macular edema (CME) after cataract surgery in nondiabetic patients. SETTING: Twelve European study centers. DESIGN: Randomized clinical trial. METHODS: Nondiabetic patients having uneventful cataract surgery were included in this study. Patients were randomized to receive topical bromfenac 0...
April 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29777869/subconjunctival-dendrimer-drug-therapy-for-the-treatment-of-dry-eye-in-rabbits-with-induced-autoimmune-dacryoadenitis
#17
Hui Lin, Ying Liu, Siva P Kambhampati, Chih-Chien Hsu, Rangaramanujam M Kannan, Samuel C Yiu
PURPOSE: To investigate the efficacy of a single subconjunctival injection of dendrimer-dexamethasone to treat dry eye in a rabbit model of induced autoimmune dacryoadenitis (AID). METHOD: Dendrimer biodistribution after subconjuntival injection in AID animals was evaluated using Cy5-labelled dendrimer (D-Cy5) and confocal microscopy. Diseased animals were treated with free dexamethasone (Free-Dex), dendrimer-dexamethasone (D-Dex), or saline via a single subconjunctival injection...
May 16, 2018: Ocular Surface
https://www.readbyqxmd.com/read/29777818/influence-of-degree-of-substitution-and-folic-acid-coinitiator-on-pullulan-hema-hydrogel-properties-crosslinked-under-visible-light-initiating-system
#18
Elbadawy A Kamoun, M A Abu-Seaid, A S Doma, Henning Menzel, Xin Chen
Hydroxyethyl methacrylate-derivative pullulan (pullulan-HEMA) was synthesized by activation of HEMA followed by catalyzed coupling reaction for adjusting the degree of substitution (DS) of copolymer. Pullulan-HEMA was photocrosslinked using new three-components photoinitiating system composed of carboxylated camphorquinone-folic acid-iodonium salt under visible light. Folic acid was employed as new coinitiator for improving the entire hydrogel properties and avoiding harms of traditional used tertiary amine coinitiators...
May 16, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29777682/inhibition-of-bet-bromodomains-restores-corticosteroid-responsiveness-in-a-mixed-granulocytic-mouse-model-of-asthma
#19
Ahmed Nadeem, Sheikh F Ahmad, Naif O Al-Harbi, Nahid Siddiqui, Khalid E Ibrahim, Sabry M Attia
Asthma is a heterogeneous disease characterized by different endotypes/phenotypes. Th2/Th17 driven mixed granulocytic asthma is one of them and shows resistance to corticosteroid therapy. Bromodomain and extra-terminal (BET) proteins are required for differentiation of Th17 cells which play a pivotal role in neutrophilic inflammation. Therefore, we sought to characterize the differential effects of BET inhibitor versus corticosteroids, and their potential synergism in cockroach allergen extract (CE)-induced mixed granulocytic (eosinophilic and neutrophilic) mouse model of asthma having Th2/Th17 endotype...
May 16, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29777278/low-platelet-count-as-risk-factor-for-infections-in-patients-with-primary-immune-thrombocytopenia-a-retrospective-evaluation
#20
Mingming Qu, Qiang Liu, Hong-Guo Zhao, Jun Peng, Heyu Ni, Ming Hou, A J Gerard Jansen
Infectious complications are common and sometimes life threatening in patients with immune thrombocytopenia (ITP), mainly due to the immune-suppressive therapy. Recent evidence suggests a potential role of platelets in the inflammation process. In this clinical study, we further investigated the role of thrombocytopenia on infections in patients with primary ITP. We retrospectively evaluated data from the recently published large randomized clinical trial of a cohort of 195 patients with primary ITP, who were randomized for prednisone or high-dose dexamethasone...
May 18, 2018: Annals of Hematology
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