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Vitreoretinal surgery

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https://www.readbyqxmd.com/read/28905829/variation-in-the-vitreoretinal-configuration-of-stage-4-retinopathy-of-prematurity-in-photocoagulated-and-treatment-naive-eyes-undergoing-vitrectomy
#1
Salil Sharad Gadkari, Madan Deshpande
PURPOSE: We sought to document the difference in the vitreoretinal configuration of Stage 4 retinopathy of prematurity (ROP) in photocoagulated and treatment naive eyes undergoing vitrectomy and to correlate it with surgical complexity. METHODS: Consecutive eyes posted for vitrectomy with Stage 4 ROP were documented preoperatively using a RetCam for the presence of peripheral traction (PT), presence of central traction just outside the arcades, and presence of traction extending to the lens...
September 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28885668/the-role-of-intraoperative-optical-coherence-tomography-in-pediatric-hyphema-a-case-report
#2
Michele Coppola, Maria Vittoria Cicinelli, Alessadro Rabiolo, Giuseppe Querques, Francesco Bandello
PURPOSE: Intraoperative optical coherence tomography (iOCT) is a valuable tool during vitreoretinal surgery, helping the decision-making process. It is particularly useful in pediatric cases to evaluate the macular anatomy intraoperatively, avoiding further potentially dangerous surgery in children. The aim of this report is to describe the role of integrated iOCT in the management of traumatic hyphema in a pediatric patient. CASE REPORT: A 5-year-old girl was referred to our department with a history of recent domestic trauma in her right eye...
September 8, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28880986/association-of-disease-location-and-treatment-with-survival-in-diffuse-large-b-cell-lymphoma-of-the-eye-and-ocular-adnexal-region
#3
Aseef H Ahmed, C Stephen Foster, Carol L Shields
Importance: Primary diffuse large B-cell lymphoma (DLBCL) of the ocular region is rare, and the utility of surgery and radiation therapy remains unresolved. Objective: To explore the clinical characteristics and determine factors associated with overall survival in primary vitreoretinal lymphoma (PVRL) and ocular adnexal (OA)-uveal DLBCL. Design, Setting, and Participants: This retrospective analysis included 396 patients with ophthalmic DLBCL from January 1, 1973, through December 31, 2014, using the Surveillance, Epidemiology, and End Results database...
September 7, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28834953/squeezer-a-new-device-for-vitreoretinal-surgery
#4
Claus Eckardt
No abstract text is available yet for this article.
August 22, 2017: Retina
https://www.readbyqxmd.com/read/28828764/randomized-controlled-trial-of-topical-insulin-for-healing-corneal-epithelial-defects-induced-during-vitreoretinal-surgery-in-diabetics
#5
Seng Fai, Amin Ahem, Mushawiathi Mustapha, Umi Kalthum Mohd Noh, Mae-Lynn Catherine Bastion
PURPOSE: To determine the effect of topical insulin of 3 concentrations [0.5, 1, and 2 units per drop 4 times per day (QID)] on postoperative corneal epithelial wound healing in diabetic patients. DESIGN: A double blind randomized controlled hospital-based study involving diabetic patients with postoperative corneal epithelial defect after vitreoretinal surgery. METHODS: Diabetic patients were randomized to 3 different concentrations of topical insulin (DTI 0...
August 22, 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28828540/full-thickness-macular-hole-associated-with-congenital-simple-hamartoma-of-retinal-pigment-epithelium-cshrpe
#6
Panagiotis Stavrakas, Athanasios Vachtsevanos, Efthymia Karakosta, Nikos Kozeis, Magdalini Triantafylla, Paraschos Tranos
PURPOSE: To report a unique case of congenital simple hamartoma of retinal pigment epithelium (CSHRPE) associated with full-thickness macular hole (FTMH). METHODS: A 14-year-old female with a previous diagnosis of simple hamartoma of retinal pigment epithelium in the left eye presented with a 3-week onset of reduced visual acuity in the same eye. Complete ophthalmological examination with spectral domain ocular coherence tomography (SD-OCT) and autofluorescence imaging was carried out...
August 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28827497/artefactually-dampened-flash-stimulus-visual-evoked-responses-in-a-silicone-oil-filled-eye
#7
Ramesh Venkatesh, Shailja Tibrewal, Prachi Gurav, Sankhadeep Roy
PURPOSE: To report a case of falsely dampened visual evoked responses in a patient of Usher syndrome after retinal detachment surgery secondary to probable intraocular silicone oil. METHODS: Retrospective observational case report. CASE DESCRIPTION: A 16-year-old boy with Usher syndrome developed rhegmatogenous retinal detachment in the left eye. He underwent a successful retinal detachment surgery with silicone oil tamponade. On his postoperative follow-up visit, poor vision was noted by our optometrist...
August 18, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28812144/-trends-in-ablation-surgery-what-has-changed-compared-to-2001
#8
C V Fischer, M Kulanga, H Hoerauf
INTRODUCTION: In 2001 a survey among retinal surgeons regarding the treatment of rhegmatogenous retinal detachment either with scleral buckling methods or primary vitrectomy was performed. Due to the technical progress of vitrectomy and observational systems, it seemed appropriate to renew and update this survey supplemented with current aspects. METHODS: In this study 78 vitreoretinal surgeons from German-speaking countries were surveyed via an anonymous online questionnaire on their treatment decisions for defined retinal detachment constellations...
August 15, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28812133/-watchful-waiting-as-a-therapeutic-principle-for-diseases-of-the-vitreoretinal-interface
#9
REVIEW
H Hoerauf, B Kirchhof
Elective surgery of the vitreoretinal interface is currently the most common reason for vitrectomy in Germany. The evaluation and correct interpretation of spectral domain optical coherence tomography (SD-OCT) images is of great importance but the indications for vitrectomy in macular surgery should be based more on patient symptoms and not only the OCT findings. Watchful waiting is highlighted as an alternative therapeutic option in individual patients. This article addresses a number of aspects and discrepancies between findings and patients' level of suffering based on binocular symptoms...
August 15, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28791829/intravitreal-ocriplasmin-a-breakthrough-in-the-treatment-of-vitreomacular-traction
#10
REVIEW
Anna E Mec-Słomska, Joanna Adamiec-Mroczek, Ewa Kuźmicz, Marta Misiuk-Hojło
Vitreoretinal interface pathologies, such as vitreomacular traction syndrome, epiretinal membranes and macular holes are sight-threatening conditions and one of the important causes of vision defects and vision loss. To this date, vigilance with observation of how the vitreomacular traction resolves, or vitreoretinal surgery in more severe cases, were the only treatment options. Recent rapid progress in ophthalmology, especially in diagnostic and visualization techniques, provided better insight into the mechanisms taking place on the vitreoretinal surface, which enabled a more accurate selection of treatment options...
May 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28774934/management-of-postoperative-inflammation-after-cataract-and-complex-ocular-surgeries-a-systematic-review-and-delphi-survey
#11
REVIEW
Florent Aptel, Cyrille Colin, Sema Kaderli, Catherine Deloche, Alain M Bron, Michael W Stewart, Christophe Chiquet
Prevention and management of postoperative ocular inflammation with corticosteroids and non-steroidal anti-inflammatory drugs (NSAIDs) have been evaluated in several randomised controlled trials (RCTs). However, neither consensus regarding the efficacies of different regimens nor established guidelines are currently available. This has resulted in different practice patterns throughout the world. A systematic literature review found that for the management of postcataract inflammation nepafenac produced a positive outcome in three of three RCTs (3/3), as did ketorolac (1/1), bromfenac (7/7), loteprednol (3/3) and difluprednate (6/6), but not flurbiprofen (0/1)...
August 3, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28755024/concentration-of-acute-phase-factors-in-vitreous-fluid-in-diabetic-macular-edema
#12
Kazuhiro Kimura, Tomoko Orita, Yuka Kobayashi, Shigeo Matsuyama, Kazushi Fujimoto, Kazuhiko Yamauchi
PURPOSE: Diabetic retinal maculopathy is associated with acute and chronic local inflammation. We measured the concentrations of acute phase factors in vitreous fluid of patients with diabetic macular edema (DME) and examined their relations to visual acuity and central retinal thickness (CRT) both before and after vitrectomy. STUDY DESIGN: Retrospective. METHODS: Vitreous fluid was collected during vitreoretinal surgery from 19 patients with DME and 12 control subjects with epiretinal membrane...
July 28, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28750116/reported-complications-following-laser-vitreolysis
#13
Paul Hahn, Eric W Schneider, Homayoun Tabandeh, Robert W Wong, Geoffrey G Emerson
Importance: Use of laser vitreolysis for symptomatic floaters has increased in recent years, but prospective studies are not available and the complication profile is poorly understood. Objective: To analyze cases of complications following laser vitreolysis as voluntarily reported to the American Society of Retina Specialists Research and Safety in Therapeutics (ASRS ReST) Committee, an independent task force formed to monitor device-related and drug-related safety events...
September 1, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28736508/3-dof-force-sensing-motorized-micro-forceps-for-robot-assisted-vitreoretinal-surgery
#14
Berk Gonenc, Alireza Chamani, James Handa, Peter Gehlbach, Russell H Taylor, Iulian Iordachita
In vitreoretinal surgery, membrane peeling is a prototypical task where a layer of fibrous tissue is delaminated off the retina with a micro-forceps by applying very fine forces that are mostly imperceptible to the surgeon. Previously we developed sensitized ophthalmic surgery tools based on fiber Bragg grating (FBG) strain sensors, which were shown to precisely detect forces at the instrument's tip in two degrees of freedom perpendicular to the tool axis. This paper presents a new design that employs an additional sensor to capture also the tensile force along the tool axis...
June 1, 2017: IEEE Sensors Journal
https://www.readbyqxmd.com/read/28729372/intraoperative-optical-coherence-tomography-compatible-surgical-instruments-for-real-time-image-guided-ophthalmic-surgery
#15
Justis P Ehlers, Atsuro Uchida, Sunil K Srivastava
Intraoperative optical coherence tomography (OCT) is a potentially transformational technology that is now commercially available to ophthalmic surgeons. Currently, the use of the technology is primarily limited to a 'stop and image' approach due to the lack of OCT compatibility with surgical instrumentation. In this report, we describe multiple OCT-compatible surgical instruments that were developed for various surgical needs, based on previous evaluation of potential surgical materials for optical features and physical properties...
July 20, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728180/the-evolution-of-vitreoretinal-surgery-platforms
#16
Marc Comaratta, Seenu M Hariprasad, Rahul Reddy
No abstract text is available yet for this article.
July 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28723847/blindness-related-to-presumed-retinal-toxicity-after-using-perfluorocarbon-liquid-during-vitreoretinal-surgery
#17
Silvia Méndez-Martínez, Pilar Calvo, Nelson Arturo Rodriguez-Marco, Fernando Faus, Emilio Abecia, Luis Pablo
PURPOSE: To describe the presumed retinal toxicity after using specific batches of perfluorocarbon liquid ALA OCTA (Alamedics, Dornstadt, Germany) in pars plana vitrectomy. METHODS: This is an observational retrospective consecutive case series analyses of patients operated on pars plana vitrectomy for retinal detachment or intraocular lens subluxation, using the 150141 or 200114 batches of perfluorocarbon liquid ALA OCTA as assistance during the surgery in a single center...
July 18, 2017: Retina
https://www.readbyqxmd.com/read/28715581/incidence-and-factors-influencing-retinal-displacement-in-eyes-treated-for-rhegmatogenous-retinal-detachment-with-vitrectomy-and-gas-or-silicone-oil
#18
MULTICENTER STUDY
Roberto dell'Omo, Andrea Scupola, Davide Viggiano, Maria Grazia Sammarco, Serena De Turris, Mario R Romano, Gabriela Grimaldi, Ermanno dell'Omo, Ciro Costagliola
Purpose: The purpose of this study was to study the incidence and factors influencing retinal displacement in eyes treated for rhegmatogenous retinal detachment (RRD) with pars plana vitrectomy (PPV) and gas or silicone oil. Methods: This was a prospective observational case series. One hundred twenty-five eyes with macula-off RRD from 125 patients underwent 25-gauge PPV at two vitreoretinal institutional practices. Eyes without proliferative vitreoretinopathy (PVR) or PVR grade A were tamponated with sulfur hexafluoride (SF6) gas, whereas eyes with PVR grade B received 1000 centistokes silicone oil (SO)...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28706757/biological-involvement-of-micrornas-in-proliferative-vitreoretinopathy
#19
REVIEW
Hiroki Kaneko, Hiroko Terasaki
Even with a high surgical success rate for retinal detachment and proliferative vitreoretinopathy (PVR) supported by the robust improvement in vitrectomy surgery and its related devices, certain questions still remain for the pathogenesis and treatment of PVR. One of the important biological events in PVR is epithelial-mesenchymal transition (EMT) of the retinal pigment epithelial (RPE) cells. MicroRNAs are noncoding, small, single-strand RNAs that posttranscriptionally regulate gene expression and have essential roles in homeostasis and pathogenesis in many diseases...
July 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28700420/comparison-of-2d-and-3d-video-displays-for-teaching-vitreoretinal-surgery
#20
Nisarg Chhaya, Omar Helmy, Niloofar Piri, Agustina Palacio, Shlomit Schaal
PURPOSE: To compare medical students' learning uptake and understanding of vitreoretinal surgeries by watching either 2D or 3D video recordings. METHODS: Three vitreoretinal procedures (tractional retinal detachment, exposed scleral buckle removal, and four-point scleral fixation of an intraocular lens [TSS]) were recorded simultaneously with a conventional recorder for two-dimensional viewing and a VERION 3D HD system using Sony HVO-1000MD for three-dimensional viewing...
July 11, 2017: Retina
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