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choroidal neovascularization

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https://www.readbyqxmd.com/read/28819823/inner-nuclear-layer-cystoid-spaces-are-a-poor-prognostic-factor-in-typical-age-related-macular-degeneration-and-polypoidal-choroidal-vasculopathy
#1
Eui Chun Kang, Seonghee Choi, Hyoung Jun Koh
PURPOSE: To investigate predictive factors for changes in best-corrected visual acuity (BCVA) at 24 months after intravitreal ranibizumab (IVR) for neovascular age-related macular degeneration (nAMD). METHODS: This retrospective study included 55 eyes of 55 consecutive patients (32 men and 23 women) with nAMD who received three consecutive monthly IVR injections and were re-treated as needed over a 24-month period. We used the mean changes in logarithm of the minimal angle of resolution (logMAR) BCVA at 24 months as the dependent variable in regression analysis...
August 17, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28817420/optical-coherence-tomography-angiography-for-the-detection-of-secondary-choroidal-neovascularization-in-vitelliform-macular-dystrophy
#2
Martin Stattin, Daniel Ahmed, Carl Glittenberg, Ilse Krebs, Siamak Ansari-Shahrezaei
PURPOSE: Optical coherence tomography angiography (OCTA) is used to assess vascular abnormality in advanced stage vitelliform macular dystrophy (VMD2). METHODS: Multimodal imaging including spectral domain (SD) OCT, autofluorescence (AF), fluorescein (FA) and indocyanine green angiography (ICGA) as well as optical coherence tomography angiography were performed. PATIENTS: Two eyes in one young patient with diagnosed vitelliform macular dystrophy were investigated for progressive visual dysfunction...
August 16, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28817389/congenital-anomalies-of-the-optic-disc-insights-from-optical-coherence-tomography-imaging
#3
Karen W Jeng-Miller, Dean M Cestari, Eric D Gaier
PURPOSE OF REVIEW: Congenital anomalies of the optic nerve are rare but significant causes of visual dysfunction in children and adults. Accurate diagnosis is dependent on a thorough funduscopic examination, but can be enhanced by imaging information garnered from optical coherence tomography (OCT). We review common congenital optic nerve anomalies, including optic disc pit, optic nerve coloboma, morning glory disc anomaly, and hypoplasia of the optic nerve, review their systemic associations, and discuss insights from OCT imaging...
August 16, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28817343/suppression-of-choroidal-neovascularization-in-mice-by-subretinal-delivery-of-multigenic-lentiviral-vectors-encoding-anti-angiogenic-micrornas
#4
Anne Louise Askou, Josephine Natalia Esther Benckendorff, Andreas Holmgaard, Tina Storm, Lars Aagaard, Toke Bek, Jacob Giehm Mikkelsen, Thomas Juhl Corydon
Lentivirus-based vectors have been used for the development of potent gene therapies. Here, application of a multigenic lentiviral vector (LV) producing multiple anti-angiogenic microRNAs following subretinal delivery in a laser-induced choroidal neovascularization (CNV) mouse model is presented. This versatile LV, carrying back-to-back RNApolII-driven expression cassettes, enables combined expression of microRNAs targeting vascular endothelial growth factor A (Vegfa) mRNA and fluorescent reporters. In addition, by including a vitelliform macular dystrophy 2 (VMD2) promoter, expression of microRNAs is restricted to the retinal pigment epithelial (RPE) cells...
August 2017: Human Gene Therapy Methods
https://www.readbyqxmd.com/read/28813577/spatial-correspondence-between-intraretinal-fluid-subretinal-fluid-and-pigment-epithelial-detachment-in-neovascular-age-related-macular-degeneration
#5
Sophie Klimscha, Sebastian M Waldstein, Thomas Schlegl, Hrvoje Bogunovic, Amir Sadeghipour, Ana-Maria Philip, Dominika Podkowinski, Eleonore Pablik, Li Zhang, Michael D Abramoff, Milan Sonka, Bianca S Gerendas, Ursula Schmidt-Erfurth
Purpose: To identify the spatial distribution of exudative features of choroidal neovascularization in neovascular age-related macular degeneration (nAMD) based on the localization of intraretinal cystoid fluid (IRC), subretinal fluid (SRF), and pigment-epithelial detachment (PED). Methods: This retrospective cross-sectional study included spectral-domain optical coherence tomography volume scans (6 × 6 mm) of 1341 patients with treatment-naïve nAMD. IRC, SRF, and PED were detected on a per-voxel basis using fully automated segmentation algorithms...
August 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28806214/choroidal-nevi-with-focal-choroidal-excavation-and-polypoidal-choroidal-neovascularization
#6
Daniel Simhaee, Rosa Dolz-Marco, K Bailey Freund
PURPOSE: To report two cases of choroidal nevi associated with focal choroidal excavation (FCE) and polypoidal choroidal neovascularization (PCN). METHODS: Report of two patients with choroidal nevi showing FCE and PCN who underwent multimodal imaging including color fundus photography, fluorescein angiography, indocyanine green angiography, fundus autofluorescence, spectral domain optical coherence tomography, swept-source optical coherence tomography, and optical coherence tomography angiography...
August 10, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28805663/yap-taz-regulates-sprouting-angiogenesis-and-vascular-barrier-maturation
#7
Jongshin Kim, Yoo Hyung Kim, Jaeryung Kim, Do Young Park, Hosung Bae, Da-Hye Lee, Kyun Hoo Kim, Seon Pyo Hong, Seung Pil Jang, Yoshiaki Kubota, Young-Guen Kwon, Dae-Sik Lim, Gou Young Koh
Angiogenesis is a multistep process that requires coordinated migration, proliferation, and junction formation of vascular endothelial cells (ECs) to form new vessel branches in response to growth stimuli. Major intracellular signaling pathways that regulate angiogenesis have been well elucidated, but key transcriptional regulators that mediate these signaling pathways and control EC behaviors are only beginning to be understood. Here, we show that YAP/TAZ, a transcriptional coactivator that acts as an end effector of Hippo signaling, is critical for sprouting angiogenesis and vascular barrier formation and maturation...
August 14, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28800018/the-expanding-clinical-spectrum-of-choroidal-excavation-in-macular-dystrophies
#8
Maurizio Battaglia Parodi, Giuseppe Casalino, Pierluigi Iacono, Ugo Introini, Tatevik Adamyan, Francesco Bandello
PURPOSE: To assess the prevalence and the clinical course of focal choroidal excavation (FCE) in patients affected by macular dystrophies. METHODS: Prospective case series. All the patients underwent a complete ophthalmologic examination, including best-corrected visual acuity and spectral domain optical coherence tomography. The presence of choroidal neovascularization (CNV) was assessed on the basis of the leakage detected on fluorescein angiography. RESULTS: A total of 162 eyes from 81 patients with macular dystrophy were included in the study...
August 9, 2017: Retina
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
#9
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/28790804/treatment-of-myopic-choroidal-neovascularization-with-intravitreal-ranibizumab-injections-the-role-of-age
#10
Dimitrios Karagiannis, Georgios A Kontadakis, Konstantinos Kaprinis, Athanassios Giarmoukakis, Ilias Georgalas, Efstratios A Parikakis, Miltiadis K Tsilimbaris
PURPOSE: The aim of this study was to explore the role of age as a prognostic factor for the outcome of myopic choroidal neovascularization (CNV) treatment with intravitreal ranibizumab injections. METHODS: A retrospective review of charts of patients treated with intravitreal injections of ranibizumab for the treatment of myopic CNV was done. Patients with other ophthalmic disease were excluded. Patients were followed for at least 2 years. The correlation between age and the change in visual acuity and the number of injections during treatment was investigated...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28790340/verteporfin-inhibits-growth-of-human-glioma-in-vitro-without-light-activation
#11
Ahmad Al-Moujahed, Katarzyna Brodowska, Tomasz P Stryjewski, Nikolaos E Efstathiou, Ioannis Vasilikos, Joanna Cichy, Joan W Miller, Evangelos Gragoudas, Demetrios G Vavvas
Verteporfin (VP), a light-activated drug used in photodynamic therapy for the treatment of choroidal neovascular membranes, has also been shown to be an effective inhibitor of malignant cells. Recently, studies have demonstrated that, even without photo-activation, VP may still inhibit certain tumor cell lines, including ovarian cancer, hepatocarcinoma and retinoblastoma, through the inhibition of the YAP-TEAD complex. In this study, we examined the effects of VP without light activation on human glioma cell lines (LN229 and SNB19)...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28783458/tele-ophthalmology-for-age-related-macular-degeneration-and-diabetic-retinopathy-screening-a-systematic-review-and-meta-analysis
#12
Atsushi Kawaguchi, Noha Sharafeldin, Aishwarya Sundaram, Sandy Campbell, Matthew Tennant, Christopher Rudnisky, Ezekiel Weis, Karim F Damji
BACKGROUND: To synthesize high-quality evidence to compare traditional in-person screening and tele-ophthalmology screening. METHODS: Only randomized controlled trials (RCTs) were included in this systematic review and meta-analysis. The intervention of interest was any type of tele-ophthalmology, including screening of diseases using remote devices. Studies involved patients receiving care from any trained provider via tele-ophthalmology, compared with those receiving equivalent face-to-face care...
August 7, 2017: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/28777388/choroidal-neovascularization-in-multifocal-choroiditis-after-dabrafenib-and-trametinib
#13
Giorgia C Albertini, Eleonora Corbelli, Maurizio Battaglia Parodi, Francesco Bandello
PURPOSE: To describe a case of bilateral choroidal neovascularization (CNV) in multifocal choroiditis (MFC) associated with dabrafenib and trametinib chemotherapy for metastatic melanoma. CASE: We present a case of a 57-year-old man with MFC who underwent combination therapy with dabrafenib plus trametinib for metastatic melanoma. The patient presented to our ophthalmology department complaining of bilateral vision loss of 2 days' duration. He underwent multimodal imaging showing a MFC reactivation complicated by bilateral CNV...
August 2, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28777387/increased-levels-of-circulating-cd34-cells-in-neovascular-age-related-macular-degeneration-relation-with-clinical-and-oct-features
#14
Caner Kara, Pınar Ç Özdal, Emrullah Beyazyıldız, Nurgül E Özcan, Mehmet Y Teke, Gülden Vural, Faruk Öztürk
PURPOSE: To investigate the levels of circulating CD34+ stem cells in patients with neovascular type age-related macular degeneration (AMD) and its relation with clinical and optical coherence tomography (OCT) findings. METHODS: The study consisted of 55 patients: 28 patients (18 male and 10 female) with neovascular type AMD as a study group and 27 patients (12 male and 15 female) scheduled for cataract surgery as a control group. The level of CD34+ stem cells was measured by flow cytometry...
August 2, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28775088/bilateral-choroidal-neovascular-membrane-in-a-young-patient-with-sorsby-fundus-dystrophy-the-value-of-prompt-treatment
#15
Nardine Menassa, Sreekala Burgula, Theodoros Empeslidis, Konstantinos T Tsaousis
A 45-year-old man had developed a choroidal neovascular membrane (CNVM) in his left eye at the age of 38 years and had received six intravitreal ranibizumab injections with resulting visual acuities of 6/60 in the affected eye and 6/4 in the unaffected right eye (Snellen charts). Family history and genetic testing revealed tissue inhibitor of metalloproteinase-3 (TIMP3) gene positive Sorsby fundus dystrophy (SFD). The patient has been under regular follow-up since. At the age of 45 years, he presented with subretinal fluid accumulation in his right eye suggestive of CNVM and received six intravitreal ranibizumab injections, which maintained visual acuity of 6/7...
August 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28769551/intravitreal-aflibercept-for-choroidal-neovascularization-associated-with-chorioretinitis-a-pilot-study
#16
Andrii R Korol, Oleksandra Zborovska, Taras Kustryn, Oleksandra Dorokhova, Nataliya Pasyechnikova
PURPOSE: The purpose of this study was to evaluate the potential benefits of intravitreal aflibercept injections for the treatment of choroidal neovascularization (CNV) secondary to chorioretinitis. METHODS: In this uncontrolled, prospective cohort study, 15 eyes of 14 consecutive patients affected by CNV associated with ocular toxoplasmosis were treated with intravitreal aflibercept (2 mg) pro re nata and observed over a 12-month follow-up period. The primary outcome was the change in best-corrected visual acuity (BCVA) from baseline to month 12...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28765149/changes-in-multiple-cytokine-concentrations-in-the-aqueous-humour-of-neovascular-age-related-macular-degeneration-after-2-months-of-ranibizumab-therapy
#17
Shinichi Sakamoto, Hidenori Takahashi, Xue Tan, Yuji Inoue, Yoko Nomura, Yusuke Arai, Yujiro Fujino, Hidetoshi Kawashima, Yasuo Yanagi
PURPOSE: To determine changes in multiple cytokine concentrations in the anterior chamber during the induction phase of ranibizumab treatment in patients with neovascular age-related macular degeneration (AMD). METHODS: This prospective study included 48 treatment-naïve neovascular AMD eyes of 48 patients who received three consecutive monthly injections of ranibizumab at the Japan Community Health Care Organization Tokyo Shinjuku Medical Center between November 2010 and August 2012...
August 1, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28763559/adiponectin-mediates-dietary-omega-3-long-chain-polyunsaturated-fatty-acid-protection-against-choroidal-neovascularization-in-mice
#18
Zhongjie Fu, Raffael Liegl, Zhongxiao Wang, Yan Gong, Chi-Hsiu Liu, Ye Sun, Bertan Cakir, Samuel B Burnim, Steven S Meng, Chatarina Löfqvist, John Paul SanGiovanni, Ann Hellström, Lois E H Smith
Purpose: Neovascular age-related macular degeneration (AMD) is a major cause of legal blindness in the elderly. Diets with omega3-long-chain-polyunsaturated-fatty-acid (ω3-LCPUFA) correlate with a decreased risk of AMD. Dietary ω3-LCPUFA versus ω6-LCPUFA inhibits mouse ocular neovascularization, but the underlying mechanism needs further exploration. The aim of this study was to investigate if adiponectin (APN) mediated ω3-LCPUFA suppression of neovessels in AMD. Methods: The mouse laser-induced choroidal neovascularization (CNV) model was used to mimic some of the inflammatory aspect of AMD...
August 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28750559/suppression-of-choroidal-neovascularization-in-mice-by-subretinal-delivery-of-multigenic-lentiviral-vectors-encoding-anti-angiogenic-micrornas
#19
Anne Louise Askou, Josephine Natalia Esther Benckendorff, Andreas Holmgaard, Tina Storm, Lars Aagaard, Toke Bek, Jacob Giehm Mikkelsen, Thomas Juhl Corydon
Lentivirus-based vectors have been used for the development of potent gene therapies. Here, we present application of a multigenic lentiviral vector (LV) producing multiple anti-angiogenic microRNAs following subretinal delivery in a laser-induced choroidal neovascularization (CNV) mouse model. This versatile LV, carrying back-to-back RNApolII-driven expression cassettes, enables combined expression of microRNAs targeting vascular endothelial growth factor A (Vegfa) mRNA, and fluorescent reporters. In addition, by including a vitelliform macular dystrophy 2 (VMD2) promoter, expression of microRNAs is restricted to the retinal pigment epithelial (RPE) cells...
July 27, 2017: Human Gene Therapy Methods
https://www.readbyqxmd.com/read/28744656/arms2-a69s-polymorphism-is-associated-with-the-number-of-ranibizumab-injections-needed-for-exudative-age-related-macular-degeneration-in-a-pro-re-nata-regimen-during-4-years-of-follow-up
#20
Alicia Valverde-Megías, Silvia Veganzones-de-Castro, Juan Donate-López, Maria Luisa Maestro-de-Las-Casas, Alicia Megías-Fresno, Julián García-Feijoo
PURPOSE: To investigate whether single-nucleotide polymorphisms (SNPs) known to be strongly associated with the development of age-related macular degeneration (AMD) have an influence on recurrence rate of choroidal neovascularization (CNV) activity during 4-year ranibizumab treatment for exudative AMD. METHODS: This prospective study included 103 treatment-naïve patients (103 eyes) that received initially a loading dose of 3 monthly ranibizumab injections and thereafter, were treated according to an as-needed regimen for a 4-year follow-up period...
July 25, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
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