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https://www.readbyqxmd.com/read/28231605/endonasal-versus-external-dacryocystorhinostomy-for-nasolacrimal-duct-obstruction
#1
REVIEW
Lona Jawaheer, Caroline J MacEwen, Deepa Anijeet
BACKGROUND: A dacryocystorhinostomy (DCR) procedure aims to restore drainage of tears by bypassing a blockage in the nasolacrimal duct, through the creation of a bony ostium that allows communication between the lacrimal sac and the nasal cavity. It can be performed using endonasal or external approaches. The comparative success rates of these two approaches have not yet been established and this review aims to evaluate the relevant up-to-date research. OBJECTIVES: The primary aim of this review is to compare the success rates of endonasal DCR with that of external DCR...
February 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28230606/secretions-of-bifidobacterium-infantis-and-lactobacillus-acidophilus-protect-intestinal-epithelial-barrier-function
#2
Shuangshuang Guo, Tyler Gillingham, Yuming Guo, Di Meng, Weishu Zhu, W Allen Walker, Kriston Ganguli
OBJECTIVES: The secreted metabolites of probiotics are cytoprotective to intestinal epithelium and have been shown to attenuate inflammation and reduce gut permeability. The present study was designed to determine the protective effects of probiotic conditioned media (PCM) from Bifidobacterium infantis (BCM) and Lactobacillus acidophilus (LCM) on interleukin (IL)-1β-induced intestinal barrier compromise. METHODS: The epithelial barrier was determined by measuring the transepithelial electrical resistance (TER) across a Caco-2 cell monolayer using a Transwell model...
March 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28228436/triamcinolone-emboli-leading-to-central-retinal-artery-occlusion-a-multimodal-imaging-study
#3
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/28225725/clinical-features-of-affected-and-undetached-fellow-eyes-in-patients-with-fevr-associated-rhegmatogenous-retinal-detachment
#4
Miner Yuan, Xiaoyan Ding, Yu Yang, Fang Liu, Jiaqing Li, Xiaoling Liang, Xiongze Zhang, Andina Hu, Zijing Li, Zongyi Zhan, Lin Lu
PURPOSE: To report the clinical characteristics of the affected and fellow eyes in patients with familial exudative vitreoretinopathy-associated rhegmatogenous retinal detachment (FEVR-RRD). METHODS: This was a retrospective observational case series. The affected and fellow eyes were given complete examinations. The age, sex, clinical features of the affected eyes, and varied abnormalities of the fellow eyes were analyzed. RESULTS: Forty-three patients with FEVR-RRD were included...
March 2017: Retina
https://www.readbyqxmd.com/read/28225369/long-term-outcomes-of-rituximab-therapy-in-patients-with-noninfectious-posterior-uveitis-refractory-to-conventional-immunosuppressive-therapy
#5
Andres F Lasave, Caiyun You, Lina Ma, Khawla Abusamra, Neerav Lamba, Manuel Valdes Navarro, Halea Meese, C Stephen Foster
PURPOSE: To assess long-term effectiveness of rituximab therapy for refractory noninfectious uveitis affecting the posterior segment. METHODS: Retrospective case series. Patients diagnosed with recalcitrant noninfectious posterior uveitis who were treated with rituximab intravenous infusions between 2010 and 2015 were included. Patients underwent best-corrected visual acuity testing and fluorescein angiography evidence of disk or vascular staining at 6, 12, 18, and 24 months...
February 20, 2017: Retina
https://www.readbyqxmd.com/read/28224893/influence-of-molecular-weight-and-structure-on-diffusion-rates-and-mechanisms-of-dextran-polyelectrolyte-complexes
#6
Yasunori Miyazaki, Midori Mieno, Tomonobu Uchino, Yoshiyuki Kagawa
The release profiles of fluorescein isothiocyanate-dextran (FD) at various molecular weights (20-500kDa) and the swelling behaviors of polyelectrolyte complex-forming tablets were investigated. Four types of tablets were prepared using different combinations of the following chemicals: carboxymethyl dextran (CMD), dextran sulfate (DS), 2-diethylaminoethyl dextran (EA), and 2-hydroxypropyltrimethylammonium dextran (CDC). Release tests were conducted via the rotating basket method at pH 6.8. Swelling behaviors were analyzed via the front movement method...
April 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28223776/idiopathic-polypoidal-choroidal-vasculopathy-in-thai-patients-with-clinical-and-angiographic-choroidal-neovascularization
#7
Chavakij Bhoomibunchoo, Yosanan Yospaiboon, Somanus Thoongsuwan, Duangnate Rojanaporn, Nawat Watanachai, Pichai Jirarattanasopa, Nattapon Wongcumchang, Atchara Amphornphruet, Sritatath Vongkulsiri, Eakkachai Arayangkoon
OBJECTIVE: This study aimed to study the prevalence and characteristics of idiopathic polypoidal choroidal vasculopathy (IPCV) in Thai patients with clinical and angiographic choroidal neovascularization (CNV). PATIENTS AND METHODS: A consecutive case study of 140 patients presenting with CNV was conducted in nine large referral eye centers throughout Thailand. The demographic data, fundus photographs, fundus fluorescein angiography and indocyanine green angiography of the patients were analyzed...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28223486/serum-borne-bioactivity-caused-by-pulmonary-multiwalled-carbon-nanotubes-induces-neuroinflammation-via-blood-brain-barrier-impairment
#8
Mario J Aragon, Lauren Topper, Christina R Tyler, Bethany Sanchez, Katherine Zychowski, Tamara Young, Guy Herbert, Pamela Hall, Aaron Erdely, Tracy Eye, Lindsey Bishop, Samantha A Saunders, Pretal P Muldoon, Andrew K Ottens, Matthew J Campen
Pulmonary exposure to multiwalled carbon nanotubes (MWCNTs) causes indirect systemic inflammation through unknown pathways. MWCNTs translocate only minimally from the lungs into the systemic circulation, suggesting that extrapulmonary toxicity may be caused indirectly by lung-derived factors entering the circulation. To assess a role for MWCNT-induced circulating factors in driving neuroinflammatory outcomes, mice were acutely exposed to MWCNTs (10 or 40 µg/mouse) via oropharyngeal aspiration. At 4 h after MWCNT exposure, broad disruption of the blood-brain barrier (BBB) was observed across the capillary bed with the small molecule fluorescein, concomitant with reactive astrocytosis...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28222430/microrna-218-increases-the-sensitivity-of-bladder-cancer-to-cisplatin-by-targeting-glut1
#9
Peng Li, Xiao Yang, Yidong Cheng, Xiaolei Zhang, Chengdi Yang, Xiaheng Deng, Pengchao Li, Jun Tao, Haiwei Yang, Jifu Wei, Jingyuan Tang, Wenbo Yuan, Qiang Lu, Xiaoting Xu, Min Gu
BACKGROUND/AIMS: MicroRNA-218 (miR-218) is down-regulated in many malignancies that have been implicated in the regulation of diverse processes in cancer cells. However, the involvement of miR-218 in chemo-sensitivity to cisplatin and the precise mechanism of this action remained unknown in bladder cancer. METHODS: qRT-PCR was used to detect miR-218 and its target Glut1 expression in bladder cancer cell lines T24 and EJ. CCK-8 method was utilized to measure the cell viability...
February 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28221261/zika-related-maculopathy
#10
Chee Wai Wong, Si Rui Ng, Chui Ming Gemmy Cheung, Tien Yin Wong, Ranjana Mathur
PURPOSE: To report a case of unilateral maculopathy associated with acute Zika virus infection. METHODS: Observational case report of one patient. RESULTS: A 22-year-old man presented with acute blurring of vision 10 days after symptoms of Zika virus infection. Findings resembling unilateral acute idiopathic maculopathy of the right eye were noted on ophthalmoscopy, fluorescein angiography, indocyanine green angiography, and optical coherence tomography...
February 17, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28221257/intravitreal-dexamethasone-implant-in-retinitis-pigmentosa-related-cystoid-macular-edema
#11
Ahmad M Mansour, Huda Sheheitli, Cem Kucukerdonmez, Robert A Sisk, Raphael Moura, Marilita M Moschos, Luiz H Lima, Laila Al-Shaar, J Fernando Arevalo, Mauricio Maia, Robert E Foster, Ozcan Kayikcioglu, Igor Kozak, Shree Kurup, Hernando Zegarra, Roberto Gallego-Pinazo, Rola N Hamam, Riad A Bejjani, Esat Cinar, Ethem T Erakgün, Alan Kimura, Anderson Teixeira
PURPOSE: To report the clinical outcome after intravitreal dexamethasone implant in patients with retinitis pigmentosa and cystoid macular edema. METHODS: Multicenter retrospective case series of eyes with retinitis pigmentosa and cystoid macular edema that underwent intravitreal dexamethasone implant. Primary outcome measures were best-corrected visual acuity in LogMAR and central macular thickness. Statistical analyses used two-tailed comparison with Wilcoxon signed-rank test...
February 17, 2017: Retina
https://www.readbyqxmd.com/read/28221254/long-term-remission-of-neovascular-age-related-macular-degeneration-with-as-needed-anti-vascular-endothelial-growth-factor-therapy
#12
Ilkay Kilic Muftuoglu, Mostafa Alam, Qi Sheng You, Raouf Gaber, Hema L Ramkumar, Nadia Mendoza, Amit Meshi, William R Freeman
PURPOSE: To determine the presenting characteristics of patients with neovascular age-related macular degeneration with long-term remission (LTR), which was defined as the absence of intraretinal/subretinal fluid, or hemorrhage, and absence of leakage on fluorescein angiography for longer than 6 months while on as-needed antivascular endothelial growth factor treatment. METHODS: The presenting characteristics of patients with LTR were compared with a control group including 32 eyes of 28 age-, gender-, and ethnicity-matched patients who did not achieve LTR...
February 17, 2017: Retina
https://www.readbyqxmd.com/read/28219426/pseudophakic-cystoid-macular-edema-prevention-and-risk-factors-prospective-study-with-adjunctive-once-daily-topical-nepafenac-0-3-versus-placebo
#13
Sean McCafferty, April Harris, Corin Kew, Tala Kassm, Lisa Lane, Jason Levine, Meisha Raven
BACKGROUND: Define the effectiveness of a topical non-steroidal anti-inflammatory drug (NSAID) added to topical steroid use after uncomplicated phacoemulsification for the prevention of pseudophakic cystoid macular edema (PCME) using a prospective, randomized, double-masked, placebo-controlled clinical study. METHODS: Eyes (1000) were randomized to placebo (497) or nepafenac 0.3% (503) used once daily, post-operatively for 5 weeks at two ophthalmology clinics. Diagnosis of PCME was made by clinical, ocular coherence tomography (OCT), and with fluorescein angiography confirmation...
February 20, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28218219/reduced-macular-vascular-density-in-myopic-eyes
#14
Hua Fan, Hao-Yu Chen, Hong-Jie Ma, Zheng Chang, Hai-Quan Yin, Danny Siu-Chun Ng, Carol Y Cheung, Shan Hu, Xiang Xiang, Shi-Bo Tang, Shuang-Nong Li
BACKGROUND: Morphological changes of the vasculature system in patients with myopia have been observed by Doppler ultrasound and fundus fluorescein angiography (FFA); however, these studies have limitations. Doppler ultrasound provides low-resolution images which are mainly obtained from visualized large vessels, and FFA is an invasive examination. Optic coherence tomography (OCT) angiography is a noninvasive, high-resolution measurement for vascular density. The purpose of this study was to investigate the change of vascular density in myopic eyes using OCT angiography...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28214496/new-diagnostic-modalities-in-the-evaluation-of-lymphedema
#15
REVIEW
Thomas F O'Donnell, John C Rasmussen, Eva M Sevick-Muraca
OBJECTIVE: Currently, lymphedema (LED) is typically diagnosed clinically on the basis of a patient's history and characteristic physical findings. Whereas the diagnosis of LED is sometimes confirmed by lymphoscintigraphy (LSG), the technique is limited in both its ability to identify disease and to guide therapy. Recent advancements provide opportunities for new imaging techniques not only to assist in the diagnosis of LED, based on anatomic changes, but also to assess contractile function and to guide therapeutic intervention...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28214122/anaerobic-co-digestion-of-recalcitrant-agricultural-wastes-characterizing-of-biochemical-parameters-of-digestate-and-its-impacts-on-soil-ecosystem
#16
Adele Muscolo, Giovanna Settineri, Teresa Papalia, Emilio Attinà, Carmelo Basile, Maria Rosaria Panuccio
Anaerobic digestion (AD) of organic wastes is a promising alternative to landfilling for reducing Greenhouse Gas Emission (GHG) and it is encouraged by current regulation in Europe. Biogas-AD produced, represents a useful source of green energy, while its by-product (digestate) is a waste, that needs to be safely disposal. The sustainability of anaerobic digestion plants partly depends on the management of their digestion residues. This study has been focused on the environmental and economic benefits of co-digest recalcitrant agricultural wastes such olive wastes and citrus pulp, in combination with livestock wastes, straw and cheese whey for biogas production...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28212983/acircularity-index-and-axis-ratio-of-the-foveal-avascular-zone-in-diabetic-eyes-and-healthy-controls-measured-by-optical-coherence-tomography-angiography
#17
Brian D Krawitz, Shelley Mo, Lawrence S Geyman, Steven A Agemy, Nicole K Scripsema, Patricia M Garcia, Toco Y P Chui, Richard B Rosen
Given the complexity of the current system used to stage diabetic retinopathy (DR) and the risks and limitations associated with intravenous fluorescein angiography (IVFA), noninvasive quantification of DR severity is desirable. We examined the utility of acircularity index and axis ratio of the foveal avascular zone (FAZ), metrics that can noninvasively quantify the severity of diabetic retinopathy without the need for axial length to correct for individual retinal magnification. A retrospective review was performed of type 2 diabetics and age-matched controls imaged with optical coherence tomography angiography (OCTA)...
February 14, 2017: Vision Research
https://www.readbyqxmd.com/read/28211879/evaluation-of-choroidal-tumors-with-optical-coherence-tomography-enhanced-depth-imaging-and-oct-angiography-features
#18
G Cennamo, M R Romano, M A Breve, N Velotti, M Reibaldi, G de Crecchio, G Cennamo
AimTo describe the vascular features of choroidal tumors using enhanced depth imaging (EDI), optical coherence tomography (OCT), and OCT-angiography.MethodsIn this prospective study, we evaluated 116 Caucasian patients with choroidal tumors (60 eyes with choroidal nevi, 40 with choroidal melanoma, 6 with choroidal hemangioma, 2 with optic disc melanocytoma, 6 with choroidal osteoma, and 2 with retinal metastases). Patients underwent a complete ophthalmic examination including bulbar echography, EDI-OCT, OCT-angiography, and multicolor imaging...
February 17, 2017: Eye
https://www.readbyqxmd.com/read/28211271/allyl-fluorescein-ethers-as-promising-fluorescent-probes-for-carbon-monoxide-imaging-in-living-cells
#19
Shumin Feng, Dandan Liu, Weiyong Feng, Guoqiang Feng
Recently, the fluorescent detection of carbon monoxide (CO) in living cells has attracted great attention. However, due to the lack of effective ways to construct fluorescent CO probes, fluorescent detection of CO in living cells is still in its infancy. In this paper, we report for the first time of using allyl ether as reaction site for construction of fluorescent CO probes. By this way, two readily available allyl fluorescein ethers were prepared, which were found to be highly selective and sensitive probes for CO in the presence of PdCl2...
February 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28210901/transplantation-of-lineage-negative-stem-cells-in-pterygopalatine-artery-ligation-induced-retinal-ischemia-reperfusion-injury-in-mice
#20
Gillipsie Minhas, Sudesh Prabhakar, Ryuichi Morishita, Munehisa Shimamura, Reema Bansal, Akshay Anand
Retinal ischemia is a condition associated with retinal degenerative diseases such as glaucoma, diabetic retinopathy, and other optic neuropathies, leading to visual impairment and blindness worldwide. Currently, there is no therapy available for ischemic retinopathies. Therefore, the aim of this study was to test a murine model of pterygopalatine artery ligation-induced retinal injury for transplantation of mouse bone marrow-derived lineage-negative (lin-ve) stem cells. The mouse external carotid artery and pterygopalatine artery were ligated for 3...
February 16, 2017: Molecular and Cellular Biochemistry
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