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https://www.readbyqxmd.com/read/28819567/systemic-associations-with-residual-subretinal-fluid-after-ranibizumab-in-diabetic-macular-edema
#1
Meng-Ju Tsai, Yi-Ting Hsieh, Elizabeth P Shen, Yi-Jie Peng
PURPOSE: To investigate the impact of systemic diseases on the occurrence of subretinal fluid (SRF) in diabetic macular edema (DME) and prognostic factors for residual SRF following three consecutive monthly intravitreal ranibizumab. METHODS: Ninety-seven eyes from 68 patients with DME who completed 3 consecutive monthly injections of ranibizumab were enrolled. Systemic parameters mainly included chronic kidney disease (CKD), hypertension, HbA1c, and insulin dependence...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28811936/real-life-management-of-patients-with-retinal-vein-occlusion-using-i-macula-web-platform
#2
Massimo Nicolò, Monica Bonetto, Raffaella Rosa, Donatella Musetti, Maria Musolino, Carlo Enrico Traverso, Mauro Giacomini
AIM: Real-life evaluation in the management of patients affected by macular edema secondary to retinal vein occlusion. MATERIAL AND METHODS: A retrospective, observational study using the I-Macula Web platform. RESULTS: Thirty-five patients (37 eyes; 15 females and 20 male) affected by RVO were analysed. At 12 months, there was a statistically significant improvement of best-corrected visual acuity (p = 0.0235) and central macular thickness (p < 0...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28811496/genome-wide-expression-differences-in-anti-vegf-and-dexamethasone-treatment-of-inflammatory-angiogenesis-in-the-rat-cornea
#3
Pierfrancesco Mirabelli, Anthony Mukwaya, Anton Lennikov, Maria Xeroudaki, Beatrice Peebo, Mira Schaupper, Neil Lagali
Angiogenesis as a pathological process in the eye can lead to blindness. In the cornea, suppression of angiogenesis by anti-VEGF treatment is only partially effective while steroids, although effective in treating inflammation and angiogenesis, have broad activity leading to undesirable side effects. In this study, genome-wide expression was investigated in a suture-induced corneal neovascularization model in rats, to investigate factors differentially targeted by dexamethasone and anti-Vegf. Topical treatment with either rat-specific anti-Vegf, dexamethasone, or normal goat IgG (sham) was given to sutured corneas for 48 hours, after which in vivo imaging, tissue processing for RNA microarray, and immunofluorescence were performed...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810002/retinal-oximetry-discovers-novel-biomarkers-in-retinal-and-brain-diseases
#4
Einar Stefánsson, Olof Birna Olafsdottir, Anna Bryndis Einarsdottir, Thorunn Scheving Eliasdottir, Thor Eysteinsson, Wouter Vehmeijer, Evelien Vandewalle, Toke Bek, Sveinn Hakon Hardarson
Purpose: Biomarkers for several eye and brain diseases are reviewed, where retinal oximetry may help confirm diagnosis or measure severity of disease. These include diabetic retinopathy, central retinal vein occlusion (CRVO), retinitis pigmentosa, glaucoma, and Alzheimer's disease. Methods: Retinal oximetry is based on spectrophotometric fundus imaging and measures oxygen saturation in retinal arterioles and venules in a noninvasive, quick, safe manner. Retinal oximetry detects changes in oxygen metabolism, including those that result from ischemia or atrophy...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28809847/genome-wide-expression-datasets-of-anti-vegf-and-dexamethasone-treatment-of-angiogenesis-in-the-rat-cornea
#5
Anthony Mukwaya, Pierfrancesco Mirabelli, Anton Lennikov, Maria Xeroudaki, Mira Schaupper, Beatrice Peebo, Neil Lagali
Therapeutics against pathologic new blood vessel growth, particularly those targeting vascular endothelial growth factor (VEGF) are of enormous clinical interest. In the eye, where anti-VEGF agents are in widespread clinical use for treating retinal and corneal blindness, only partial or transient efficacy and resistance to anti-VEGF agents are among the major drawbacks. Conversely, corticosteroids have long been used in ophthalmology for their potency in suppressing inflammation and angiogenesis, but their broad biological activity can give rise to side effects such as glaucoma and cataract...
August 15, 2017: Scientific Data
https://www.readbyqxmd.com/read/28803666/-inefficacy-of-aflibercept-in-the-treatment-of-idiopathic-macular-telangiectasia-type-2%C3%A2-without-neovascularization
#6
J Bénichou, V Soler, D Denis, F Matonti
Idiopathic macular telangectasia type 2 is a rare disease consisting primarily of bilateral macular capillary telangiectasia, alterations of the ellipsoid zone and intraretinal cysts that may appear as cystoid macular edema in the absence of neovascularization. Our goal was to study the efficacy of aflibercept in the treatment of these cysts. Thus, we performed a series of three intravitreal injections of aflibercept in the right eye of a woman with a typical presentation of macular telangectasia type 2 complicated by cystoid macular edema without neovascularization...
August 10, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28803326/short-term-results-of-endovascular-surgery-with-tissue-plasminogen-activator-injection-for-central-retinal-vein-occlusion
#7
Masaaki Ishida, Shinya Abe, Takuya Nakagawa, Atsushi Hayashi
PURPOSE: To examine the effects of retinal endovascular surgery (REVS) with tissue plasminogen activator injection into the retinal vein in central retinal vein occlusion (CRVO) eyes. METHODS: Sixteen consecutive CRVO patients with macular edema and decreased visual acuity who were referred to Toyama University Hospital between March 2014 and February 2016 were included in this study. Changes in visual acuity (VA) and central retinal thickness (CRT) were evaluated up to 6 months after REVS...
August 12, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28801117/incidence-and-outcomes-of-infectious-and-noninfectious-endophthalmitis-after-intravitreal-injections-for-age-related-macular-degeneration
#8
Vincent Daien, Vuong Nguyen, Rohan W Essex, Nigel Morlet, Daniel Barthelmes, Mark C Gillies
PURPOSE: To assess the incidence, cumulative rate, and long-term outcomes of infectious and noninfectious endophthalmitis after intravitreal injections (IVTs) of anti-vascular endothelial growth factor (VEGF) agents. DESIGN: Database study, prospectively designed. PARTICIPANTS: Treatment-naïve eyes with neovascular age-related macular degeneration (nAMD) tracked by the Fight Retinal Blindness! (FRB!) registry that commenced anti-VEGF therapy between January 1, 2006, and November 30, 2016...
August 8, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28800660/-eye-drops-instead-of-intravitreal-injections-the-dream-of-treating-macular-diseases-by-topically-administered-drugs
#9
Oliver Zeitz, Antonia M Joussen
Background The introduction of VEGF inhibitors revolutionized treatment for age-related macular degeneration. However, it requires regular intravitreal (IVT) injections. Hence, replacement of IVT injections by topical, non-invasive eye drop treatment is subject to intensive research. Material and Methods Literature and database research on topical therapies for neovascular AMD. Results Several clinical projects with topical inhibitors of the VEGF pathway were initiated recently. Several candidate molecules were investigated and should have an efficacy potential in neovascular AMD given their ability to block the VEGF pathway...
August 11, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28800629/protective-effects-on-the-retina-after-ranibizumab-treatment-in-an-ischemia-model
#10
Stephanie C Joachim, Marina Renner, Jacqueline Reinhard, Carsten Theiss, Caroline May, Stephanie Lohmann, Sabrina Reinehr, Gesa Stute, Andreas Faissner, Katrin Marcus, H Burkhard Dick
Retinal ischemia is common in eye disorders, like diabetic retinopathy or retinal vascular occlusion. The goal of this study was to evaluate the potential protective effects of an intravitreally injected vascular endothelial growth factor (VEGF) inhibitor (ranibizumab) on retinal cells in an ischemia animal model via immunohistochemistry (IF) and quantitative real-time PCR (PCR). A positive binding of ranibizumab to rat VEGF-A was confirmed via dot blot. One eye underwent ischemia and a subgroup received ranibizumab...
2017: PloS One
https://www.readbyqxmd.com/read/28796997/dynamics-of-inflammatory-factors-in-aqueous-humor-during-ranibizumab-or-aflibercept-treatment-for-age-related-macular-degeneration
#11
Ryosuke Motohashi, Hidetaka Noma, Kanako Yasuda, Osamu Kotake, Hiroshi Goto, Masahiko Shimura
PURPOSE: To evaluate the dynamic changes of the aqueous humor levels of inflammatory factors between patients receiving intravitreal ranibizumab injection (IRI) and aflibercept injection (IAI) in patients with exudative age-related macular degeneration (AMD). METHODS: The study was performed on 30 eyes with AMD that were scheduled to receive 3 doses of IRI (15 eyes) or IAI (15 eyes) at monthly intervals. Aqueous humor samples were collected when injection was done...
August 11, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28794900/structure-versus-function-correlation-between-outer-retinal-and-choroidal-thicknesses-measured-by-swept-source-oct-with-multifocal-electroretinography-and-visual-acuity
#12
Ignacio Flores-Moreno, Luis Arias-Barquet, Marcos J Rubio-Caso, Alex Muñoz-Blanco, María Vidal-Martí, Jaume Catala-Mora, José M Ruiz-Moreno, Jay S Duker, Josep M Caminal
BACKGROUND: To correlate retina-choroidal anatomy as assessed via swept-source OCT (SS-OCT) with retinal function as determined by best-corrected visual acuity (BCVA) and multifocal electroretinogram (mfERG). METHODS: Thirty-three eyes from 33 patients including 16 with neovascular AMD (nvAMD) and 17 controls were included. Patients were included in the present study after a complete ophthalmologic examination, including BCVA, slit-lamp study, intraocular pressure measurement, dilated fundus examination after tropicamide instillation, SD-OCT, SS-OCT, fundus photographs and mfERG...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28791491/retinal-vegf-levels-correlate-with-ocular-circulation-measured-by-a-laser-speckle-micro-system-in-an-oxygen-induced-retinopathy-rat-model
#13
Tadashi Matsumoto, Yuta Saito, Takashi Itokawa, Tomoaki Shiba, Mari S Oba, Haruo Takahashi, Yuichi Hori
PURPOSE: We used a Laser speckle flowgraphy (LSFG)-micro system to examine the relationship between ocular blood flow and retinal vascular endothelial growth factor (VEGF) at retinopathy onset in oxygen-induced ischemic retinopathy (OIR) model rats. METHODS: Sixteen 50/10 OIR rats were compared with 17 control rats reared in room air. In postnatal day 14 (P14) and P18 rats, we measured and analyzed the left eye's mean blur rate (MBR) by setting a rubber band on the optic nerve head center, using the LSFG-Micro...
August 8, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28770109/ocular-adverse-effects-of-intravitreal-bevacizumab-are-potentiated-by-intermittent-hypoxia-in-a-rat-model-of-oxygen-induced-retinopathy
#14
Jeffrey J Tan, Charles L Cai, Eric M Shrier, Lois McNally, Douglas R Lazzaro, Jacob V Aranda, Kay D Beharry
Intravitreal bevacizumab (Avastin) use in preterm infants with retinopathy of prematurity is associated with severe neurological disabilities, suggesting vascular leakage. We examined the hypothesis that intermittent hypoxia (IH) potentiates intravitreal Avastin leakage. Neonatal rats at birth were exposed to IH from birth (P0)-P14. At P14, the time of eye opening in rats, a single dose of Avastin (0.125 mg) was injected intravitreally into the left eye. Animals were placed in room air (RA) until P23 or P45 for recovery (IHR)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28761761/panretinal-photocoagulation-using-short-pulse-laser-induces-less-inflammation-and-macular-thickening-in-patients-with-diabetic-retinopathy
#15
Yoshihiro Takamura, Shogo Arimura, Seiji Miyake, Takehiro Matsumura, Makoto Gozawa, Kentaro Iwasaki, Masaru Inatani
We compared the effect of panretinal photocoagulation (PRP) using short-pulse laser (SPL) and conventional laser, regardless of the number of spots, in terms of their effect on the progression of diabetic macular edema (DME) and anterior flare intensity (AFI) in patients with high-risk nonproliferative diabetic retinopathy (non-PDR). Forty-two eyes of 42 patients were subjected to PRP using the conventional argon laser (Conv group) or SPL (SPL group). CRT and AFI levels in the SPL group were significantly lower than those in the Conv group (CRT at 4, 6, and 10 weeks; AFI at 6, 10, and 18 weeks)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28745964/introduction-of-a-nurse-led-intravitreal-injection-service-in-ophthalmology
#16
Mary-Josephine Gallagher
Anti-VEGF (anti-vascular endothelial growth factor) agents are useful for a variety of previously untreatable eye conditions; indications for their use are increasing. As this treatment evolved from cutting-edge to mainstream NHS practice, it resulted in a significant increase in appointments for intravitreal (IVT) injections, clinical assessment and follow-up, and hence an increasing challenge to ensure its timely availability to all who needed it. In addressing that challenge, NHS Lothian successfully initiated an advanced nurse practitioner IVT service in addition to its medical IVT service, which has increased its capacity to provide the requisite high-quality care to this patient group...
July 27, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28731494/subthreshold-micropulse-laser-reduces-anti-vegf-injection-burden-in-patients-with-diabetic-macular-edema
#17
Elad Moisseiev, Sam Abbassi, Sumeer Thinda, Joseph Yoon, Glenn Yiu, Lawrence S Morse
PURPOSE: To evaluate the efficacy of micropulse laser in the early treatment of diabetic macular edema (DME) and its associated burden of anti-vascular endothelial growth factor (VEGF) injections. METHODS: This retrospective comparative study compared a group of 19 eyes with DME treated with micropulse laser to a matched control group of 19 eyes with DME treated with ranibizumab injections without micropulse laser. Recorded parameters included previous medical and ocular history, previous and subsequent ranibizumab injections administered for DME, visual acuity (VA), central macular thickness throughout the follow-up period, and the occurrence of any complications...
July 20, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28730084/analyzing-cytokines-as-biomarkers-to-evaluate-severity-of-glaucoma
#18
Yao Tong, Ya-Li Zhou, Yan Zheng, Manas Biswal, Pei-Quan Zhao, Zhao-Yang Wang
AIM: To analyze cytokines as biomarkers for evaluation of severity of glaucoma. METHODS: This was a prospective case-control study including 29 eyes with glaucoma. Besides, 28 eyes with senile cataract were used as control. Patients were classified into four groups: acute angle closure glaucoma (AACG), chronic angle closure glaucoma (CACG), primary open angle glaucoma (POAG) and senile cataract. Undiluted vitreous samples were collected, then vitreous concentrations of 9 types of cytokines were determined by cytometric bead assay system: γ-interferon (IFNg), interleukin (IL)-10, IL-2, IL-4, IL-5, interferon-γ-inducible protein (IP)-10, monocyte chemoattractant protein (MCP)-1, tumor necrosis factor (TNF)-α, and vascular endothelial growth factor (VEGF)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28715845/apatinib-an-inhibitor-of-vascular-endothelial-growth-factor-receptor-2-suppresses-pathologic-ocular-neovascularization-in-mice
#19
Koung Li Kim, Wonhee Suh
Purpose: Vascular endothelial growth factor (VEGF) signaling via VEGF receptor 2 (VEGFR2) plays a crucial role in pathologic ocular neovascularization. In this study, we investigated the antiangiogenic effect of apatinib, a pharmacologic inhibitor of VEGFR2 tyrosine kinase, against oxygen-induced retinopathy (OIR) and laser-induced choroidal neovascularization (CNV) in mice. Methods: Western blotting and in vitro angiogenesis assays were performed using human retinal microvascular endothelial cells (HRMECs)...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28709426/xue-fu-zhu-yu-decoction-protects-rats-against-retinal-ischemia-by-downregulation-of-hif-1%C3%AE-and-vegf-via-inhibition-of-rbp2-and-pkm2
#20
Shu-Qiu Tan, Xue Geng, Jorn-Hon Liu, Wynn Hwai-Tzong Pan, Li-Xiang Wang, Hui-Kang Liu, Lei Hu, Hsiao-Ming Chao
BACKGROUND: Retinal ischemia-related eye diseases result in visual dysfunction. This study investigates the protective effects and mechanisms of Xue-Fu-Zhu-Yu decoction (XFZYD) with respect to retinal ischemia. METHODS: Retinal ischemia (I) was induced in Wistar rats by a high intraocular pressure (HIOP) of 120 mmHg for 1 h, which was followed by reperfusion of the ischemic eye; the fellow untreated eye acted as a control. Electroretinogram (ERG), biochemistry and histopathology investigations were performed...
July 14, 2017: BMC Complementary and Alternative Medicine
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