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Pars plana vitrectomy

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https://www.readbyqxmd.com/read/28098738/subretinal-cell-based-therapy-an-analysis-of-surgical-variables-to-increase-cell-survival
#1
David J Wilson, Martha Neuringer, Jonathan Stoddard, Lauren M Renner, Steven Bailey, Andreas Lauer, Trevor J McGill
PURPOSE: To develop a novel surgical approach to provide consistent delivery of cell suspension into the subretinal space without cell leakage into the vitreous. METHODS: Cell viability was assessed following mock injections to determine the optimal size cannula for delivery of the cells. A pars plana without vitrectomy approach was used to create a subretinal bleb with balanced salt solution using a 41-gauge cannula. GFP-labeled retinal pigment epithelium cells were injected through transretinal (n = 8) and transscleral (n = 16) injection approaches...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28098737/increased-intraocular-pressure-is-a-risk-factor-for-unexplained-visual-loss-during-silicone-oil-endotamponade
#2
Marvin Marti, Richard Walton, Christian Böni, Sandrine A Zweifel, Marc Stahel, Daniel Barthelmes
PURPOSE: To identify the incidence rate and risk factors for unexplained visual loss associated with silicone oil endotamponade used during primary repair of macula-sparing rhegmatogenous retinal detachments. METHODS: This retrospective cohort study included patients undergoing pars plana vitrectomy for primary surgical repair of macula-sparing rhegmatogenous retinal detachments in whom silicone oil endotamponade was used. The primary outcome measure was the incidence rate of unexplained visual loss and identification of risk factors associated with vision loss...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28098729/vitrectomy-for-persistent-macular-holes-following-ocriplasmin-injection-a-comparative-multicenter-study
#3
Ricarda G Schumann, Armin Wolf, Hans Hoerauf, Albrecht Lommatzsch, Mathias Maier, Joachim Wachtlin, Michael J Koss, Thomas Kreutzer, Thomas Bertelmann, Sara Kazerounian, Stefan Mennel, Siegfried G Priglinger
PURPOSE: To determine functional and anatomical outcomes of pars plana vitrectomy for persistent full-thickness macular hole (MH) after intravitreal injection of ocriplasmin. METHODS: This is a multicenter retrospective interventional study of 37 eyes of 37 patients who underwent pars plana vitrectomy with internal limiting membrane peeling for persistent MH after ocriplasmin treatment between December 2013 and December 2015 and comparison with 35 eyes of 35 patients who were offered ocriplasmin injection but underwent pars plana vitrectomy alone without pharmacologic vitreolysis before surgery...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28098723/assessment-of-the-internal-limiting-membrane-status-when-a-macular-epiretinal-membrane-is-removed-in-a-prospective-study
#4
Daniel Vila Solà, Cristofer Nienow, Ignasi Jürgens
PURPOSE: To describe the presence and integrity of the internal limiting membrane (ILM) after removal of the macular epiretinal membrane (ERM) and to investigate the accuracy of tissue identification using surgical dyes when compared to histopathology results. METHODS: Patients with idiopathic ERM were enrolled in a prospective study and randomized to one of two surgical techniques. In one (Group M), only the ERM was deliberately removed and in the other (Group L) the ILM was also removed...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28094044/diagnosis-and-treatment-of-acute-retinal-necrosis-a-report-by-the-american-academy-of-ophthalmology
#5
Scott D Schoenberger, Stephen J Kim, Jennifer E Thorne, Prithvi Mruthyunjaya, Steven Yeh, Sophie J Bakri, Justis P Ehlers
PURPOSE: To evaluate the available evidence in peer-reviewed publications about the diagnosis and treatment of acute retinal necrosis (ARN). METHODS: Literature searches of the PubMed and Cochrane Library databases were last conducted on July 27, 2016. The searches identified 216 unique citations, and 49 articles of possible clinical relevance were reviewed in full text. Of these 49 articles, 27 were deemed sufficiently relevant or of interest, and they were rated according to strength of evidence...
January 13, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28089219/prognostic-factors-of-epiretinal-membranes-a-systematic-review
#6
REVIEW
A I M Miguel, A Legris
INTRODUCTION: Epiretinal membranes (ERM) have been increasingly characterized with the advent of new optical coherence tomographies (OCTs). We intended to perform a systematic review regarding prognostic factors (PF) of ERM after surgery. MATERIALS AND METHODS: Systematic review of electronic databases was performed (last date of search was 10 August 2015): Medline, Scopus, Google Scholar, clinicaltrials.gov and current controlled trials. Search queries included: "membrane", "pucker", "prognosis", "prognostic", "epiretinal", "épirétinienne"...
January 11, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28086913/correction-of-irregular-and-induced-regular-corneal-astigmatism-with-toric-iol-after-posterior-segment-surgery-a-case-series
#7
Bence L Kolozsvári, Gergely Losonczy, Dorottya Pásztor, Mariann Fodor
BACKGROUND: Toric intraocular lens (IOL) implantation can be an effective method for correcting corneal astigmatism in patients with vitreoretinal diseases and cataract. Our purpose is to report the outcome of toric IOL implantation in two cases - a patient with scleral-buckle-induced regular corneal astigmatism and a patient with keratoconus following pars plana vitrectomy. As far as we are aware, there are no reported cases of toric IOL implantation in a vitrectomized eye with keratoconus nor of toric IOL implantation in patients with scleral-buckle-induced regular corneal astigmatism...
January 13, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28067725/surgical-outcomes-and-complications-of-rhegmatogenous-retinal-detachment-in-eyes-with-chorioretinal-coloboma-the-results-of-the-kkesh-international-collaborative-retina-study-group
#8
Marwan A Abouammoh, Sulaiman M Alsulaiman, Vishali S Gupta, Afnan Younis, Jay Chhablani, Abdullah Hussein, Antonio M Casella, Alay S Banker, J Fernando Arevalo
PURPOSE: To study the outcomes of management of rhegmatogenous retinal detachment in eyes with chorioretinal colobomas. METHODS: A retrospective review of 119 patients (119 eyes) with chorioretinal colobomas who underwent surgical repair for rhegmatogenous retinal detachment was performed. Data were collected on the site of the retinal break, type of surgery, anatomical success, and complications. RESULTS: The most common location of the primary retinal break was the intercalary membrane in 58...
January 6, 2017: Retina
https://www.readbyqxmd.com/read/28067723/inverted-internal-limiting-membrane-flap-technique-versus-complete-internal-limiting-membrane-removal-in-myopic-macular-hole-surgery-a-comparative-study
#9
Maurizio Mete, Alessandro Alfano, Massimo Guerriero, Guido Prigione, Mauro Sartore, Antonio Polito, Grazia Pertile
PURPOSE: To compare the results of vitrectomy with complete internal limiting membrane (ILM) removal and inverted ILM flap in the treatment of myopic macular hole (MMH). METHODS: Seventy eyes of 68 patients with MMH undergone pars-plana vitrectomy (PPV) with either complete ILM removal (n = 36, Group 1) or inverted ILM flap technique (n = 34, Group 2) were included in the study. Outcomes measured were the rate of MMH closure assessed by optical coherence tomography (OCT) and visual acuity (BCVA) at six months...
January 6, 2017: Retina
https://www.readbyqxmd.com/read/28063099/comparative-study-of-25-versus-20-gauge-pars-plana-capsulotomy-and-vitrectomy-in-pediatric-cataract-surgery
#10
Anju Rastogi, Manisha Mishra, Yashpal Goel, Prolima Thacker, Kamlesh
PURPOSE: To compare 25- and 20-gauge pars plana vitrectomy (PPV) for the management of pediatric cataract. METHODS: 20 eyes of 15 patients were randomly divided into two groups to undergo pars plana capsulotomy and vitrectomy by either 25-gauge (group A) or 20-gauge (group B) PPV after lens aspiration and IOL implantation. The two groups were compared for total surgical time, time taken in doing pars plana capsulotomy and vitrectomy, and the size of posterior capsulotomy...
January 6, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28060394/results-of-peripheral-vitrectomy-under-air-in-rhegmatogenous-retinal-detachment
#11
Tugrul Altan, Kemal Turgay Ozbilen, Turgay Cetin, Ziya Kapran
BACKGROUND AND OBJECTIVE: To evaluate the safety and efficacy of peripheral vitrectomy under air in rhegmatogenous retinal detachment (RRD). PATIENTS AND METHODS: Consecutive patients who underwent 23-gauge pars plana vitrectomy for RRD were included. After removal of core vitreous and drainage of subretinal fluid, peripheral vitreous was removed under air infusion without scleral indentation. Silicone oil or C3F8 gas was used as tamponade. RESULTS: Forty-five eyes of 45 patients were evaluated retrospectively...
January 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28060391/intravitreal-versus-subretinal-tissue-plasminogen-activator-injection-for-submacular-hemorrhage
#12
James E Bell, Julia P Shulman, Russell J Swan, Michael P Teske, Paul S Bernstein
BACKGROUND AND OBJECTIVE: The objective of this study was to compare visual acuity outcomes between the following procedures used to treat submacular hemorrhages: pneumatic displacement followed by intravitreal tissue plasminogen activator (tPA) if needed (pneumatic ± tPA) and pars plana vitrectomy (PPV) with subretinal tPA (PPV + tPA). PATIENTS AND METHODS: This is a retrospective chart review of submacular hemorrhages treated with either pneumatic ± tPA or PPV + tPA...
January 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28058165/evaluation-of-follow-up-and-treatment-results-in-coats-disease
#13
Zafer Cebeci, Şerife Bayraktar, Yusuf Cem Yılmaz, Samuray Tuncer, Nur Kır
OBJECTIVES: The aim of this study was to evaluate the clinical features, follow-up and treatment results of patients diagnosed with Coats' disease. MATERIALS AND METHODS: Medical records of 27 patients diagnosed with Coats' disease in our clinic were reviewed retrospectively. All patients underwent complete ophthalmological examination and fundus photography was taken. Disease stage and treatment methods used were recorded. RESULTS: Twenty-seven eyes of 27 patients were included in the study...
October 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28057646/incidence-mechanism-and-outcomes-of-schisis-retinal-detachments-revealed-through-a-prospective-population-based-study
#14
Kanmin Xue, Mahiul M K Muqit, Eric Ezra, Stephen J Charles, David Yorston, Arijit Mitra, Chetan K Patel
AIM: To determine the incidence, presentation and outcomes of progressive sight-threatening retinal detachment (RD) complicating degenerative retinoschisis. METHODS: We conducted the first prospective population-based epidemiological study of progressive schisis detachment over a 1-year period (2014-2015) in the UK. Case ascertainment was via monthly British Ophthalmological Surveillance Unit reporting cards sent to all ophthalmologists in the UK. For each reported case, data were collected using incident and 6 months follow-up questionnaires gathering information including demographic, presenting symptoms, retinal findings, primary management, primary outcome, secondary management and secondary outcome...
January 5, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28053500/comparison-of-outcomes-scleral-buckling-and-pars-plana-vitrectomy-versus-vitrectomy-alone-for-primary-repair-of-rhegmatogenous-retinal-detachment
#15
Luke B Lindsell, Robert A Sisk, Daniel M Miller, Robert E Foster, Michael R Petersen, Christopher D Riemann, Robert K Hutchins
OBJECTIVE: To assess the combination of scleral buckling (SB) and pars plana vitrectomy (PPV) versus PPV alone in the primary repair of rhegmatogenous retinal detachments (RRDs). METHODS: The current study was a retrospective, comparative, interventional, consecutive case series of 179 eyes of 174 patients who underwent primary RRD repair by five surgeons between January 1, 2008 and December 31, 2010, utilizing SB with PPV or PPV. Univariate and multivariate analyses were used to compare the efficacy of the two surgical strategies and assess for risk factors of proliferative vitreoretinopathy (PVR)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28050730/factors-associated-with-corneal-epithelial-defects-after-pars-plana-vitrectomy
#16
Wei-Yu Chiang, Jong-Jer Lee, Hsi-Kung Kuo, Yi-Hao Chen, Chih-Hsin Chen, Yung-Jen Chen, Pei-Chang Wu, Yun-Wen Chen
PURPOSE: To investigate the risk factors associated with corneal epithelial defects (CED) and delayed healing (exceeding 1 week) following pars plana vitrectomy (PPV). METHODS: This retrospective study enrolled patients who underwent PPV at a single center in Taiwan between 2011 and 2012. Medical records were reviewed, including demographic, underlying disease, surgical indication, operation parameters, and existence of CED. These data were statistically analyzed...
January 3, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28045788/staining-assisted-removal-of-silicone-oil-for-the-identification-of-subclinical-proliferative-vitreoretinopathy
#17
Stanislao Rizzo, Francesco Barca, Francesco Faraldi, Tomasso Caporossi, Gianni Virgili
PURPOSE: Retinal detachment is a frequent complication after removal of silicone oil (ROSO). A retrospective study was conducted to determine whether staining-assisted removal of silicone oil (st-ROSO) allowed better identification and removal of proliferative vitreoretinopathy (PVR) processes compared with a conventional removal of silicone oil technique. METHODS: All individuals underwent pars plana vitrectomy (PPV) and silicone oil fill-in for complicated retinal detachments...
December 30, 2016: Retina
https://www.readbyqxmd.com/read/28043309/visual-and-anatomical-outcomes-following-idiopathic-macular-epiretinal-membrane-surgery
#18
Bashiran Shahzadi, Syed Fawad Rizvi, Kanwal Latif, Faisal Murtaza, Saliha Naz
OBJECTIVE: To assess the visual and anatomical outcomes following idiopathic macular epiretinal membrane (IERM) surgery. STUDY DESIGN: Case series. PLACE AND DURATION OF STUDY: Layton Rehmatulla Benevolent Trust (L.R.B.T), Free Base Eye Hospital, Karachi, from January 2015 to June 2016. METHODOLOGY: Thirty eyes of thirty patients affected with idiopathic macular epiretinal membrane stage 2 were enrolled in this study...
December 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28033233/outcomes-of-pars-plana-vitrectomy-in-the-management-of-refractory-aqueous-misdirection-syndrome
#19
Ghada Y Al Bin Ali, Ammar M Al-Mahmood, Rajiv Khandekar, Emad B Abboud, Deepak P Edward, Igor Kozak
PURPOSE: To determine the efficacy and complications of pars plana vitrectomy (PPV) and adjunct surgeries for aqueous misdirection refractory to medical therapy. METHODS: A retrospective review of consecutive eyes with refractory aqueous misdirection at the King Khaled Eye Specialist Hospital between 2002 and 2010. Patients underwent two-port and three-port pars plana vitrectomy (PPV) with adjunct procedures including pars plana lensectomy combined with posterior capsulectomy, hyaloido-zonulo-iridectomy, and synechiolysis...
December 28, 2016: Retina
https://www.readbyqxmd.com/read/28033232/choroidal-thickness-changes-after-vitrectomy-with-silicone-oil-tamponade-for-proliferative-vitreoretinopathy-retinal-detachment
#20
Dominik Odrobina, Joanna Gołębiewska, Iwona Maroszyńska
PURPOSE: To access the potential effect of vitrectomy and silicone oil tamponade on the choroid. METHODS: Eighteen patients (18 eyes) who had undergone pars plana vitrectomy with 1,000-cSt silicone oil tamponade for proliferative vitreoretinopathy retinal detachment were included in this retrospective study. All patients underwent ophthalmologic examinations before treatment and 1 week and 1, 3, and 6 months after vitrectomy with silicone oil tamponade. Choroidal thickness was measured using enhanced depth imaging optical coherence tomography (Spectralis; Heidelberg Engineering) in a horizontal and vertical section beneath the fovea...
December 28, 2016: Retina
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