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Pars plana vitrectomy

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https://www.readbyqxmd.com/read/28337065/acute-bacterial-endophthalmitis-following-intravitreal-dexamethasone-implant-a-case-report-and-review-of-literature
#1
Neha Goel
Endophthalmitis following intravitreal dexamethasone (DEX) implant has been rarely reported. This report describes the case of a 70-year-old male who underwent intravitreal DEX implant injection under aseptic conditions, for diabetic macular edema. He developed a clinical picture suggestive of endophthalmitis within 2 weeks of the injection, and vitreous culture grew coagulase negative Staphylococcus. He was treated with intravitreal antibiotics followed by pars plana vitrectomy and removal of the implant...
January 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28333880/twenty-five-gauge-pars-plana-vitrectomy-in-complex-retinal-detachments-associated-with-giant-retinal-tear
#2
Vinod Kumar, Devesh Kumawat, Anju Bhari, Parijat Chandra
PURPOSE: To study the structural and functional outcomes of 25-gauge pars plana vitrectomy in giant retinal tear-associated retinal detachments. METHODS: Seventeen eyes of 17 patients with giant retinal tear, who underwent 25-gauge pars plana vitrectomy over a period of 15 months at a tertiary eye care center by a single surgeon, were recruited in this retrospective interventional study. RESULTS: Giant retinal tears were mostly traumatic (35...
March 22, 2017: Retina
https://www.readbyqxmd.com/read/28333857/successful-closure-of-full-thickness-macular-holes-secondary-to-macular-vitelliform-lesions
#3
Justin C Galvin, Brian E Chua, Adrian T Fung
PURPOSE: To describe the first reported cases of full-thickness macular holes secondary to vitelliform lesions that were successfully closed with vitrectomy surgery and gas tamponade. METHODS: Two female patients developed visual loss secondary to bilateral vitelliform lesions and associated full-thickness macular holes. The patients underwent 25-gauge pars plana vitrectomy, internal limiting membrane peeling, and 26% sulfur hexafluoride gas, followed by 3 days of face-down positioning...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28333852/re-intervention-in-de-novo-vitreous-opacities-after-pars-plana-vitrectomy-in-familial-amyloidotic-polyneuropathy-ttr-val30metportuguese-patients
#4
Natália Novais Ferreira, David Afonso Cunha Dias, Rui Pedro Afonso Carvalho, Maria Teresa Pardal Monteiro Coelho
PURPOSE: To report management of de novo vitreous amyloid opacities after previous pars plana vitrectomy in familial amyloidotic polyneuropathy transthyretin Val30Met. METHODS: This work is a retrospective observational consecutive case series of five eyes of four patients. Demographic data, transthyretin mutation involved, age at the beginning of disease, duration of disease, treatment (liver transplant or tafamidis), time between vitrectomy and re-intervention, and ophthalmologic changes were evaluated...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28333716/internal-aspiration-under-perfluorocarbon-liquid-for-the-management-of-large-macular-holes
#5
Oded Ohana, Adiel Barak, Shulamit Schwartz
PURPOSE: To report the outcomes of pars plana vitrectomy with internal aspiration under perfluorocarbon liquid for large macular holes (MH). METHODS: Retrospective consecutive case series of patients with large (>400 µm) MH. All treated were with pars plana vitrectomy, internal limiting membrane peeling, internal fluid aspiration under perfluorocarbon liquid, and gas/oil tamponade. Outcomes included closure rate and visual acuity at 6 months. RESULTS: Twenty eyes of 20 patients were included...
January 11, 2017: Retina
https://www.readbyqxmd.com/read/28331284/a-retrospective-study-comparing-outcomes-of-primary-rhegmatogenous-retinal-detachment-repair-by-scleral-buckling-and-pars-plana-vitrectomy-in-finland
#6
Sari Sahanne, Raimo Tuuminen, Jari Haukka, Sirpa Loukovaara
BACKGROUND: Rhegmatogenous retinal detachment (RRD) is the most common form of retinal detachment and an ophthalmic emergency. Here, we compared outcomes of primary RRD eyes operated with conventional scleral buckling (SB) with cryoretinopexy to those operated with standard pars plana vitrectomy (PPV). METHODS: This is an institutional, retrospective, register-based, observational, comparative study. Based on the surgical procedure, 319 eyes of 319 patients were divided into two groups: SB plus cryotherapy (n=50) and PPV (n=269)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28303330/ocular-trauma-score-as-prognostic-value-in-traumatic-ocular-injuries-due-to-rotating-wire-brushes
#7
Konstantine Purtskhvanidze, Florian Rüfer, Alexa Klettner, Christoph Borzikowsky, Johann Roider
PURPOSE: Rotating wire brushes are used, e.g., for rust removal. Detaching fragments can cause severe eye injuries. The purpose of this study was to investigate mechanism, severity, clinical outcome, validity of Ocular Trauma Score (OTS) and to assess the likelihood of final visual acuity. METHODS: Twenty patients with traumatic ocular injuries by rotating wire brushes were included. Location and type of injury, grade of injury according to OTS, surgical procedure, and development of visual acuity were evaluated...
March 16, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28298866/choroidal-neovascularization-secondary-to-ocular-penetration-during-retrobulbar-anesthesia-and-its-treatment
#8
Seyhan Dikci, Turgut Yılmaz, Zarife Ekici Gök, Soner Demirel, Oğuzhan Genç
Retrobulbar anesthesia is still used before ocular surgery; however, it has various complications including ocular penetration. The penetration/perforation of the globe can cause complications such as endophthalmitis, retinal detachment, and scotoma. Choroidal neovascularization (CNV) is rarely seen, following choroidal rupture in penetrating eye injuries. Here, we present a patient who underwent a pars plana vitrectomy for vitreous hemorrhage secondary to ocular penetration during a retrobulbar injection for cataract surgery...
January 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28298864/vitrectomy-for-vitreopapillary-traction-in-a-nondiabetic-16-year-old-girl
#9
C K Nagesha, Pukhraj Rishi, Ekta Rishi
Vitreopapillary traction (VPT) is an unusual clinical entity and its management and prognosis have been sparsely studied. It has been described in adults with various vitreomacular pathologies and the possible effects on visual functions. However, the role of surgical intervention in altering the course of the disease is not well understood. Hereby, we describe a case of idiopathic VPT in a 16-year-old girl who presented with decreased vision and visual field changes corresponding to the area of retinal traction...
January 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28298707/outcome-of-primary-rhegmatogenous-retinal-detachment-surgery-in-a-tertiary-referral-centre-in-northern-ireland-a-regional-study
#10
Michael A Mikhail, George Mangioris, Giuseepe Casalino, Stuart McGimpsey, James Sharkey, Richard Best, Wing C Chan
PURPOSE: To report the primary and final success, functional outcome and complication rates of patients with primary rhegmatogenous retinal detachment (RRD) who underwent retinal detachment surgery in a tertiary referral centre in Northern Ireland. VENUE: Vitreoretinal service, Royal Victoria Hospital, Belfast, Northern Ireland. METHODS: This is a retrospective case series of all patients who underwent primary RRD repair between 1st of January 2013 and 31st of December 2013...
January 2017: Ulster Medical Journal
https://www.readbyqxmd.com/read/28297036/wide-field-landers-keratoprothesis-in-various-combined-corneal-and-vitreoretinal-problems-twelve-month-results
#11
Ziya Kapran, Abdullah Ozkaya, Gurkan Erdogan, Yalcin Karakucuk, Tugba Aydogan Gezginaslan, Irfan Perente, Muhittin Taskapili
BACKGROUND AND OBJECTIVE: To investigate the outcomes of combined pars plana vitrectomy (PPV), transient keratoprosthesis (TKP), and penetrating keratoplasty (PKP) in patients with coexisting corneal and vitreoretinal diseases. PATIENTS AND METHODS: Patients who underwent PPV, TKP, and PKP were included. The main outcome measures were change in visual acuity (VA), clarity of the graft, and retinal attachment. RESULTS: Twenty eyes were included...
March 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28292775/effectiveness-of-combined-macular-buckle-under-direct-vision-and-vitrectomy-with-ilm-peeling-in-refractory-macular-hole-retinal-detachment-with-extreme-high-axial-myopia-a-24-month-comparative-study
#12
Jin Ma, Honghui Li, Xiaohu Ding, Silvia Tanumiharjo, Lin Lu
PURPOSE: To evaluate the efficacy of a combined macular buckle under direct vision and 23-gauge pars plana vitrectomy (PPV) with internal limiting membrane (ILM) peeling in refractory macular hole retinal detachment (MHRD) with extreme high axial myopia. DESIGN: Prospective, randomised controlled study. PARTICIPANTS: The study included 98 eyes of 98 patients of MHRD with extreme high axial (>30 mm) myopia. INTERVENTION: Patients were randomly assigned to undergo PPV with ILM peeling (group 1, n=52) or PPV with ILM peeling combined with macular buckle under direct vision (group 2, n=46)...
March 14, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28282068/surgical-treatment-and-optical-coherence-tomographic-evaluation-for-accidental-laser-induced-full-thickness-macular-holes
#13
Y Qi, Y Wang, Q You, F Tsai, W Liu
PurposeTo report OCT appearance and surgical outcomes of full-thickness macular holes (MHs) accidentally caused by laser devices.Patients and methodsThis retrospective case series included 11 eyes of 11 patients with laser-induced MHs treated by pars plana vitrectomy, internal limiting membrane (ILM) peeling, and gas or silicone oil tamponade. Evaluations included a full ophthalmic examination, macular spectral-domain optical coherence tomography (SD-OCT), and fundus photography. Main outcome measures is MH closure and final visual acuity; the secondary outcome was the changes of retinal pigment epithelium and photoreceptor layer evaluated by sequential post-operative SD-OCT images...
March 10, 2017: Eye
https://www.readbyqxmd.com/read/28280989/the-role-of-pigment-epithelial-detachment-in-amd-with-submacular-hemorrhage-treated-with-vitrectomy-and-subretinal-co-application-of-rtpa-and-anti-vegf
#14
F Treumer, S Wienand, K Purtskhvanidze, J Roider, J Hillenkamp
PURPOSE: To assess the incidence of pigment epithelial detachment (PED) in age-related macular degeneration (AMD) with submacular hemorrhage (SMH) and its response to treatment with pars plana vitrectomy (ppV), subretinal co-application of recombinant tissue plasminogen activator (rtPA) and anti-VEGF, and an intravitreal gas tamponade. METHODS: Consecutive interventional case series of 132 eyes of 129 patients with neovascular AMD with SMH. All eyes underwent ppV with subretinal co-application of rtPA and bevacizumab followed by a gas tamponade...
March 9, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28271229/characteristics-of-patients-with-spontaneous-dislocation-of-in-the-bag-intraocular-lens-after-pars-plana-vitrectomy
#15
Takayuki Koike, Takayuki Baba, Tomohiro Nizawa, Toshiyuki Oshitari, Shuichi Yamamoto
PURPOSE: To determine the characteristics of eyes with late in-the-bag dislocation of an intraocular lens (IOL) after pars plana vitrectomy (PPV). METHODS: Fourteen eyes of 14 patients with a dislocated IOL after PPV were studied retrospectively. The data collected from the medical charts included the age, sex, history of eye diseases, axial length, and interval from PPV to time of IOL dislocation. The surgical procedures used during the PPV were also recorded. RESULTS: Seven eyes had undergone PPV for rhegmatogenous retinal detachment; 6 eyes, for proliferative diabetic retinopathy; and 1 eye, for retinal vein occlusion...
March 7, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28263219/influence-of-vitrectomy-surgery-on-the-integrity-of-outer-retinal-layers-in-diabetic-macular-edema
#16
Akihito Uji, Tomoaki Murakami, Kiyoshi Suzuma, Shin Yoshitake, Shigeta Arichika, Rima Ghashut, Masahiro Fujimoto, Nagahisa Yoshimura
PURPOSE: To investigate the influence of pars plana vitrectomy (PPV) on the integrity of photoreceptor layers in eyes with diabetic macular edema (DME) by using parallelism (a parameter that comprehensively reflects photoreceptor-retinal pigment epithelium [RPE] complex alterations) in spectral-domain optical coherence tomography (SD-OCT) imaging. METHODS: A consecutive series of 64 eyes in 55 patients with diabetic macular edema who underwent pars plana vitrectomy were recruited into the study...
January 27, 2017: Retina
https://www.readbyqxmd.com/read/28263029/feasibility-of-a-polyethylene-glycol-derivative-polymer-as-retinal-patch-to-seal-retinal-breaks-during-vitrectomy-for-rhegmatogenous-retinal-detachment-a-prospective-in-vivo-pilot-study-in-a-porcine-model
#17
Jean Pierre Hubschman, Andrea Govetto, Matthew Farajzadeh, Tatsuhiko Sato, Syed Askari, Ben Glasgow
BACKGROUND: This is a pilot study to test a polyethylene glycol (PEG) derived polymer used as a retinal patch to seal retinal breaks during pars plana vitrectomy (PPV) in the treatment of rhegmatogenous retinal detachment (RRD) in a porcine model. METHODS: Sixteen eyes from 8 pigs were assigned to 2 study groups (12 eyes) and one control group (4 eyes). In all study groups the polymer was used in-vivo, during PPV, to seal the break of a surgically induced RRD. Eyes in study groups were partially or completely filled with balanced saline solution at the end of the surgery...
March 6, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28255227/five-year-outcomes-of-pars-plana-vitrectomy-for-macular-edema-associated-with-branch-retinal-vein-occlusion
#18
Akihiro Nishida, Hiroshi Kojima, Takanori Kameda, Michiko Mandai, Yasuo Kurimoto
PURPOSE: Long-term outcomes of pars plana vitrectomy (PPV) for macular edema (ME) associated with branch retinal vein occlusion (BRVO) have been previously reported, but the studies did not report the number of additional treatments after surgery. During 5 years of follow-up, we therefore investigated the efficacy and safety of PPV for BRVO and evaluated the incidence of additional treatments. METHODS: We retrospectively reviewed the medical records of 25 eyes of 24 patients who underwent PPV for ME associated with BRVO and were followed up for at least 5 years...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28248989/efficacy-of-two-different-thiol-modified-crosslinked-hyaluronate-formulations-as-vitreous-replacement-compared-to-silicone-oil-in-a-model-of-retinal-detachment
#19
Sven Schnichels, Nele Schneider, Christine Hohenadl, José Hurst, Andreas Schatz, Kai Januschowski, Martin S Spitzer
The efficacy of two novel artificial vitreous body substitutes (VBS) consisting of highly biocompatible thiolated cross-linked hyaluronic acid (HA)-based hydrogels in comparison to silicone oil in a model of retinal detachment was investigated. Pars plana vitrectomy (23G) was performed in the right eye of 24 pigmented rabbits. Retinal detachment of two quadrants was induced by creating a small retinotomy near the vascular arcade and injecting balanced salt solution (BSS) subretinally. The retina was reattached by injecting air, which was followed by increasing the infusion pressure, and the retinal tear was treated by endolaser photocoagulation...
2017: PloS One
https://www.readbyqxmd.com/read/28248823/risk-of-silicone-oil-as-vitreous-tamponade-in-pars-plana-vitrectomy-a-systematic-review-and-meta-analysis
#20
XiaoXiao Feng, Cheng Li, Qishan Zheng, XiaoBin G Qian, WanWen Shao, YuJie Li, Wei Li, Lu Yin, Yang Wang, QianYing Gao
PURPOSE: The authors examined the differences between silicone oil and other vitreous tamponades or placebo in performing pars plana vitrectomy. METHODS: This review and meta-analysis was conducted in accordance with the PRISMA guidelines. Seven databases and the reference lists of the retrieved randomized controlled trial articles were searched to identify eligible studies. The primary outcomes were the rate of redetachment after endotamponade removal, the rate of reoperation, and poor visual acuity...
February 28, 2017: Retina
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