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Tractional retinal detachment

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https://www.readbyqxmd.com/read/29786087/a-comparison-of-23-gauge-and-20-gauge-vitrectomy-for-proliferative-sickle-cell-retinopathy-clinical-outcomes-and-surgical-management
#1
Jason Ho, Anna Grabowska, Marta Ugarte, Mahiul Mk Muqit
AIMS: To report anatomical and functional outcomes in patients with proliferative sickle retinopathy (PSR) who underwent 23-gauge (23G) and 20-gauge (20G) vitrectomy. METHODS: Retrospective consecutive case series of patients who underwent vitreoretinal intervention for complications of PSR between April 2009 and February 2015. Operations were performed at a tertiary referral centre, Moorfields Eye Hospital. Visual acuity and anatomical success rates were evaluated for PSR complicated by retinal detachment, tractional vitreous haemorrhage and macular hole...
May 22, 2018: Eye
https://www.readbyqxmd.com/read/29747356/-research-on-the-surgery-treatment-and-etiology-of-fungal-endophthalmitis
#2
H Y Zhou, J J Ye, Y Y Chen, F T Dong
Objective: To evaluate the efficacy of vitrectomy and etiological diagnosis in the treatment of fungal endophthalmitis. Methods: A retrospective survey was done on the clinical manifestation, etiological diagnosis and treatment efficacy of 15 patients (15 eyes) who had been diagnosed with fungal endophthalmitis at the inpatient department of Peking Union Medical College Hospital during 2002-2015. A total of 15 eyes of 15 patients, 3 male and 12 female patients, were included in this study. The mean age of the patients was (45...
April 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29740208/early-centripetal-displacements-of-capillaries-in-macular-region-caused-by-internal-limiting-membrane-peeling
#3
Kazuyuki Kumagai, Nobuchika Ogino, Mariko Furukawa, Rieko Ooya, Eiji Horie
Purpose: The aim of this study was to determine whether the centripetal displacement of the capillaries in the macular region after vitrectomy is caused by internal limiting membrane (ILM) peeling. Methods: Eighteen patients with different types of retinal diseases but with a normal or approximately normal foveal contour underwent successful vitrectomy with (n=12) or without (n=6) ILM peeling. Optical coherence tomography angiography (OCTA) images of the inner retinal vascular plexus in the macular region were analyzed pre- and postoperatively...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29724654/the-novel-pathogenesis-of-retinopathy-mediated-by-multiple-rtk-signals-is-uncovered-in-newly-developed-mouse-model
#4
Hideyuki Kitahara, Sayaka Kajikawa, Yoko Ishii, Seiji Yamamoto, Takeru Hamashima, Erika Azuma, Hikari Sato, Takako Matsushima, Masabumi Shibuya, Yutaka Shimada, Masakiyo Sasahara
Pericyte desorption from retinal blood vessels and subsequent vascular abnormalities are the pathogenesis of diabetic retinopathy (DR). Although the involvement of abnormal signals including platelet-derived growth factor receptor-β (PDGFRβ) and vascular endothelial growth factor-A (VEGF-A) have been hypothesized in DR, the mechanisms that underlie this processes are largely unknown. Here, novel retinopathy mouse model (N-PRβ-KO) was developed with conditional Pdgfrb gene deletion by Nestin promoter-driven Cre recombinase (Nestin-Cre) consistently reproduced through early non-proliferative to late proliferative DR pathologies...
April 25, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29713141/risk-factors-for-requirement-of-filtration-surgery-after-vitrectomy-in-patients-with-proliferative-diabetic-retinopathy
#5
Masashi Sakamoto, Ryuya Hashimoto, Izumi Yoshida, Takatoshi Maeno
Purpose: We retrospectively reviewed patients with postoperative neovascular glaucoma (NVG) after vitrectomy for proliferative diabetic retinopathy to investigate how variables assessed before, during, and after vitrectomy are associated with the requirement for filtration surgery. Patients and methods: The subjects in this retrospective, observational, comparative study were 55 consecutive patients (61 eyes) who underwent vitrectomy for proliferative diabetic retinopathy at Toho University Sakura Medical Center between December 2011 and November 2016, were followed up for at least 6 months after surgery, and developed NVG within 2 years after surgery...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29710740/a-comparative-study-to-determine-the-optimal-intravitreal-injection-angle-to-the-eye-a-computational-fluid-structure-interaction-model
#6
Alireza Karimi, Reza Razaghi, Hasan Biglari, Hamideh Sabbaghi, Toshihiro Sera, Susumu Kudo
This study was aimed at investigating the role of IVI angle on the induced stresses and deformations among the components of the eye. Thereafter, the most optimal angle of IVI to minimize the complications of post IVI at the injection site on a basis of the computed stresses via a Fluid-Structure Interaction (FSI) computational model was proposed. IntraVitreal Injection (IVI) is broadly employed as a principal treatment of vascular vitro-retinal diseases. So far, there have been reports regarding the complications of post IVI and determine them as severe uveitis, tractional retinal detachment, IntraOcular Pressure (IOP) elevation as well as ocular haemorrhage...
April 20, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29709043/pediatric-eales-disease-an-indian-tertiary-eye-center-experience
#7
Parthopratim Dutta Majumder, Ranju Kharel Sitaula, Jyotirmay Biswas
PURPOSE: To report the clinical profiles, etiologies, treatment modalities, and outcomes for Eales disease in patients younger than age 16 years in India. METHODS: Retrospective review of medical records of patients with Eales disease who had a minimum 5-year follow-up period. RESULT: A total of 25 eyes of 13 patients were included. Of these 13 patients, 12 (94%) had bilateral Eales disease and 11 (84.6%) were men. Mean patient age was 14...
April 27, 2018: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/29643777/a-case-of-retinal-detachment-with-unique-optical-coherence-tomography-findings-after-gamma-knife%C3%A2-radiosurgery-treatment-for-choroidal-melanoma
#8
Daisaku Kimura, Teruyo Kida, Takaki Sato, Masanori Fukumoto, Ryohsuke Kohmoto, Shota Kojima, Hiroshi Mizuno, Hitoshi Sakaguchi, Jun Sugasawa, Tsunehiko Ikeda
Purpose: To report a case of retinal detachment with unique optical coherence tomography (OCT) findings after Gamma Knife® (GK; Elekta Instrument AB, Stockholm, Sweden) treatment for choroidal melanoma (CM). Case Report: A 48-year-old woman underwent GK therapy for CM in her right eye from the macula to the temporal side. While the tumor subsequently shrank, the patient developed radiation retinopathy, which was treated with laser photocoagulation. The tumor lesions later subsided; however, her visual acuity (VA) decreased 8 years after the initial treatment...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29589106/macular-buckle-technique-in-myopic-traction-maculopathy-a-16-year-review-of-the-literature-and-a-comparison-with-vitreous-surgery
#9
Micol Alkabes, Carlos Mateo
PURPOSE: The aim of this study is to review anatomical and functional outcomes following macular buckling (MB) in high myopia and to compare such results with those obtained by pars plana vitrectomy (PPV). METHODS: PubMed articles on MB in high myopia (2000-2016) were reviewed. Main outcomes included retinal reattachment and macular hole (MH) closure rates, resolution of myopic foveoschisis (MFS), and postoperative visual acuity. RESULTS: Thirty-one articles included 16 in patients with retinal detachment due to MH (MHRD group), 11 in MFS with or without foveal detachment (MFS group), and 4 in MH patients with MFS (MH-MFS group)...
March 28, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29578200/epigallocatechin-gallate-curcumin-prevent-transforming-growth-factor-beta-1-induced-epithelial-to-mesenchymal-transition-in-arpe-19-cells
#10
Sivasankar Shanmuganathan, Venil N Sumantran, Narayanasamy Angayarkanni
Background & objectives: Proliferative vitreoretinopathy (PVR) is characterized by the presence of epiretinal membrane (ERM), which exerts traction and detaches the retina. Epithelial to mesenchymal transition (EMT) of the retinal pigment epithelial (RPE) cells underlies ERM formation. Adjuvant therapies aimed at preventing recurrence of PVR after surgery mostly failed in clinical trials. This study was aimed to evaluate the anti-EMT properties of bio-active compounds epigallocatechin gallate (EGCG), curcumin and lycopene as inhibitors of EMT induced by transforming growth factor beta 1 (TGF-β1) in cultured ARPE-19 cells...
November 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29505441/widefield-spectral-domain-optical-coherence-tomography-imaging-of-peripheral-round-retinal-holes-with-or-without-retinal-detachment
#11
Edward J Casswell, Sleiman Abou Ltaif, Thomas Carr, Pearse A Keane, David G Charteris, Louisa Wickham
PURPOSE: To describe the widefield spectral-domain optical coherence tomography features of peripheral round retinal holes, with or without associated retinal detachment (RD). METHODS: Retrospective, observational study of 28 eyes with peripheral round retinal holes, with and without RD. Patients underwent imaging with a widefield 50-degree spectral-domain optical coherence tomography (Heidelberg Engineering, Germany) and Optos ultra-widefield imaging systems (Optos, United Kingdom)...
March 2, 2018: Retina
https://www.readbyqxmd.com/read/29491704/hybrid-wide-angle-viewing-endoscopic-vitrectomy-using-a-3d-visualization-system
#12
Mihori Kita, Yuki Mori, Sachiyo Hama
Purpose: To introduce a hybrid wide-angle viewing-endoscopic vitrectomy, which we have reported, using a 3D visualization system developed recently. Subjects and methods: We report a single center, retrospective, consecutive surgical case series of 113 eyes that underwent 25 G vitrectomy (rhegmatogenous retinal detachment or proliferative vitreoretinopathy, 49 eyes; epiretinal membrane, 18 eyes; proliferative diabetic retinopathy, 17 eyes; vitreous opacity or vitreous hemorrhage, 11 eyes; macular hole, 11 eyes; vitreomacular traction syndrome, 4 eyes; and luxation of intraocular lens, 3 eyes)...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29478194/numerical-study-of-the-effect-of-head-and-eye-movement-on-progression-of-retinal-detachment
#13
J Vroon, J H de Jong, A Aboulatta, A Eliasy, F C T van der Helm, J C van Meurs, D Wong, A Elsheikh
Rhegmatogenous retinal detachment (RD) is a sight threatening condition. In this type of RD a break in the retina allows retrohyaloid fluid to enter the subretinal space. The prognosis concerning the patients' visual acuity is better if the RD has not progressed to the macula. The patient is given a posturing advice of bed rest and semi-supine positioning (with the RD as low as possible) to allow the utilisation of gravity and immobilisation in preventing progression of the RD. It is, however, unknown what external loads on the eye contribute the most to the progression of a RD...
February 24, 2018: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/29468225/multimodal-imaging-of-macular-subretinal-deposits-following-intravitreal-ocriplasmin-injection
#14
Nicholas Chow, Thomas Hong, Andrew Chang
Purpose: Ocriplasmin is effective in closing macular holes due to vitreomacular traction. We present a case of macular subretinal material deposition observed with spectral-domain optical coherence tomography (SD-OCT) and multimodal imaging, following successful closure of a macular hole following intravitreal ocriplasmin injection. Observations: An 81-year-old male presented with decreased vision in the left eye due to a full-thickness macular hole secondary to vitreomacular traction...
March 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29468216/central-retinal-artery-occlusion-during-vitrectomy-immediate-retinal-revascularization-following-induction-of-posterior-vitreous-detachment
#15
Abdallah A Ellabban, Ajay D Patil, Mark T Costen, Atiq R Babar
Purpose: To describe a patient with acute central retinal artery occlusion (CRAO) during vitrectomy surgery and the possible role of vitrectomy in acute CRAO management. Observations: An 84-year-old man presented with broad vitreomacular traction and epiretinal membrane in the right eye. Preoperative assessment clearly showed normal retinal vasculature. On starting vitrectomy, complete CRAO with marked segmentation of all retinal vessels was noted. Vitrectomy was performed in the usual manner and once the posterior hyaloid detached from the disc, immediate complete revascularization of the retinal vessels was noted...
March 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29445116/evaluation-of-3d-heads-up-vitrectomy-outcomes-of-psychometric-skills-testing-and-surgeon-satisfaction
#16
Mario R Romano, Gilda Cennamo, Chiara Comune, Michela Cennamo, Mariantonia Ferrara, Luca Rombetto, Giovanni Cennamo
OBJECTIVES: To evaluate the use of a three-dimensional heads-up microscope (3DM) during 25-gauge pars plana vitrectomy (PPV) compared with a traditional ophthalmic microscope (TM) in terms of efficacy, safety, and teaching and learning satisfaction. METHODS: Prospective comparative interventional study. Fifty eyes affected by one of the following diseases: rhegmatogenous or tractional retinal detachment, epiretinal membrane, full-thickness macular hole, vitreous hemorrhage, or dropped lens...
February 15, 2018: Eye
https://www.readbyqxmd.com/read/29429414/rapidly-progressive-neovascular-glaucoma-following-coronary-artery-bypass-graft-surgery-in-a-patient-with-type-1-diabetes-mellitus-a-case-report
#17
Vasant Raman, Rosemary Lambley
BACKGROUND: Proliferative diabetic retinopathy leading to vitreous hemorrhage, tractional retinal detachment, and neovascular glaucoma is a major cause of severe sight impairment in adults of working age worldwide. Neovascular glaucoma occurs in 2.5% of patients with proliferative diabetic retinopathy, which is difficult to treat and often leads to blindness. Onset of neovascular glaucoma with rapid progression to blindness within a few weeks of a successful coronary artery bypass graft procedure is not known with this clinical entity...
February 12, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29422012/a-clinical-analysis-of-vitrectomy-for-severe-vitreoretinopathy-in-patients-with-chronic-renal
#18
Long Su, Guannan Huang, Songtao Yin, Xia Hua, Xin Tang
BACKGROUND: The recent advancement in the management of chronic renal failure (CRF) has significantly increased the longevity of the patients, which increase the incidence of severe vitreoretinopathy. The vitrectomy is highly risky in this particular group of patients due to their systemic comorbidity. The timing surgical intervention is usually delayed because of the systemic conditions. This study is to evaluate the safety and effectiveness of 25-guage vitrectomy for severe vitreoretinopathy in the CRF patients...
February 8, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29406470/bimanual-microincision-vitreous-surgery-for-severe-proliferative-diabetic-retinopathy-outcome-in-more-than-300-eyes
#19
Cyrus M Shroff, Charu Gupta, Daraius Shroff, Neelam Atri, Priyanka Gupta, Ranjan Dutta
PURPOSE: To evaluate the visual and anatomical outcomes and safety of bimanual microincision vitreous surgery for severe proliferative diabetic retinopathy. METHODS: Retrospective review of 315 eyes of 282 patients who underwent 23-gauge or 25-gauge pars plana vitrectomy with bimanual membrane dissection for diabetic tractional detachment from January 2007 to September 2016. Minimum follow-up was 3 months, and the average duration of follow-up was 23 months (range 3-100 months; median 15 months)...
February 5, 2018: Retina
https://www.readbyqxmd.com/read/29395119/ranibizumab-plus-panretinal-photocoagulation-versus-panretinal-photocoagulation-alone-for-high-risk-proliferative-diabetic-retinopathy-proteus-study
#20
João Figueira, Emily Fletcher, Pascale Massin, Rufino Silva, Francesco Bandello, Edoardo Midena, Monica Varano, Sobha Sivaprasad, Haralabos Eleftheriadis, Geeta Menon, Miguel Amaro, Sarah Ayello Scheer, Catherine Creuzot-Garcher, João Nascimento, Dalila Alves, Sandrina Nunes, Conceição Lobo, José Cunha-Vaz
PURPOSE: Comparison of the efficacy of ranibizumab (RBZ) 0.5 mg intravitreal injections plus panretinal photocoagulation (PRP) versus PRP alone in the regression of the neovascularization (NV) area in subjects with high-risk proliferative diabetic retinopathy (HR-PDR) over a 12-month period. DESIGN: Prospective, randomized, multicenter, open-label, phase II/III study. PARTICIPANTS: Eighty-seven participants (aged ≥18 years) with type 1/2 diabetes and HR-PDR (mean age, 55...
May 2018: Ophthalmology
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