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Vitreoretinal surgery

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https://www.readbyqxmd.com/read/28812144/-trends-in-ablation-surgery-what-has-changed-compared-to-2001
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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...
July 27, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28736508/3-dof-force-sensing-motorized-micro-forceps-for-robot-assisted-vitreoretinal-surgery
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/28692739/analysis-of-retinal-architectural-changes-using-intraoperative-oct-following-surgical-manipulations-with-membrane-flex-loop-in-the-discover-study
#14
Atsuro Uchida, Sunil K Srivastava, Justis P Ehlers
Purpose: We investigate acute retinal alterations identified on intraoperative optical coherence tomography (iOCT) immediately following surgical intervention with the Finesse Flex Loop for vitreoretinal interface disorders. Methods: The Determination of feasibility of Intraoperative Spectral domain microscope Combined/integrated OCT Visualization during En face Retinal and ophthalmic surgery (DISCOVER) study is a prospective multisurgeon intraoperative OCT clinical study...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28684047/macular-choroidal-thickness-after-vitreoretinal-surgery-long-term-effect-of-pars-plana-vitrectomy-with-and-without-encircling-scleral-buckling-surgery
#15
I Gama, H Proença, A Gonçalves, M Faria, L Almeida, T Bernardo, R Couceiro, M Monteiro-Grillo
PURPOSE: To evaluate the macular choroidal thickness (CT) of eyes subjected to pars plana vitrectomy (PPV) whether or not combined with encircling scleral buckling (ESB) surgery for primary rhegmatogenous retinal detachment repair at 6 months or more after surgery. METHODS: This observational study included: 15 eyes (15 patients) submitted to combined ESB+PPV; 15 eyes submitted to PPV and their respective 30 normal fellow eyes (FE). Two 6mm lineal perpendicular optical coherence tomography B-scans centred on the fovea with enhanced depth imaging were performed on each eye...
July 3, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28683483/-treatment-of-retinal-vein-occlusion-is-there-still-a-role-for-vitreoretinal-surgery
#16
Nicolas Feltgen, Lutz Lothar Hansen, Hansjürgen Agostini
Surgical manoeuvres for the treatment of retinal vein occlusion peaked at the turn of the century. The first overwhelming reports could not be confirmed in prospective studies. Furthermore, the functional success was never comparable to intravitreal drug therapy, and the manoeuvres are no longer used in clinical routine. The procedures, the surgical theory and the criticism on vitrectomy, radial optic neurotomy (RON), retinal endovascular fibrinolysis (REVL) and arteriovenous dissection (AVD) will be discussed in this paper...
July 6, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28676862/use-of-brilliant-blue-g-in-descemet-s-membrane-endothelial-keratoplasty
#17
Takahiko Hayashi, Kentaro Yuda, Itaru Oyakawa, Naoko Kato
Vital staining of the endothelial graft is essential during Descemet's membrane endothelial keratoplasty (DMEK) to ensure surgical success. DMEK surgeons worldwide commonly use trypan blue (TB) to this end. However, TB may exert toxic effects on both the cornea and retina. Recently, Brilliant Blue G (BBG) has become recognized as an alternative stain for use during vitreoretinal surgery; BBG is associated with lower levels of toxicity. We retrospectively analyzed the utility of BBG staining during DMEK. We used 0...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28664705/lawn-mower-injuries-as-a-cause-of-serious-visual-acuity-impairment-case-reports
#18
Monika Jasielska, Mateusz Winiarczyk, Paweł Bieliński, Jerzy Mackiewicz
[b]Abstract Objective.[/b] The aim of the study is to present four cases of lawn mowers injuries as a cause of serious visual acuity impairment. [b]Materials and Method[/b]. A retrospective study of four patients admitted in 2013-2015 to the Department of Vitreoretinal Surgery in Lublin with severe open or closed globe injury, one with an intraocular foreign body (IOFB). The presence of eye protective equipment was assessed, as well as visual acuity, eye tissue condition before and after treatment, and applied therapy...
May 11, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28652700/macular-hole-surgery-an-analysis-of-risk-factors-for-the-anatomical-and-functional-outcomes-with-a-special-emphasis-on-the-experience-of-the-surgeon
#19
Teresa M Jenisch, Florian Zeman, Michael Koller, David A Märker, Horst Helbig, Wolfgang A Herrmann
PURPOSE: The aim of this study was to evaluate risk factors for the anatomical and functional outcomes of macular hole (MH) surgery with special emphasis on the experience of the surgeon. METHODS: A total of 225 surgeries on idiopathic MHs (IMHs) performed by 6 surgeons with a mean follow-up period of 20.5 months were reviewed in this retrospective study. Outcome parameters focused on IMH closure, complications and visual acuity improvement. The results of MH surgeries performed by experienced surgeons were compared to those of surgeons in training...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28650952/novel-patient-positioning-apparatus-for-retinal-surgery-in-a-case-of-severe-kyphosis
#20
Douglas S M Iaboni, Mark E Seamone, Mary S Stairs, Daniel M OʼBrien, M Sheldon Bisson, R Rishi Gupta
PURPOSE: To describe a novel patient positioning apparatus for intraocular surgery capable of accommodating patients with thoracic kyphosis. METHODS: Case report. RESULTS: A 60-year-old man presented with a macula-off retinal detachment and severe ankylosing spondylitis. The patient was scheduled for combined pars plana vitrectomy and scleral buckle. Because of the patient's severe kyphosis, a custom-designed positioning apparatus was built...
June 23, 2017: Retinal Cases & Brief Reports
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