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penetrating keratoplasty

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https://www.readbyqxmd.com/read/28644237/outcomes-of-keratoplasty-after-ocular-surface-stem-cell-transplantation
#1
Lorena Sepsakos, Albert Y Cheung, Edward J Holland
PURPOSE: To investigate the long-term outcomes of penetrating keratoplasty (PK) and deep anterior lamellar keratoplasty (DALK) after ocular surface stem cell transplantation (OSST). METHODS: An observational retrospective review was performed on all patients who underwent OSST followed by either PK or DALK with a minimum of 6-month follow-up. RESULTS: One hundred two eyes fulfilled the inclusion criteria. The mean time to keratoplasty after OSST was 19 months, and the mean follow-up was 57 months after keratoplasty...
June 21, 2017: Cornea
https://www.readbyqxmd.com/read/28644236/cyp1b1-cytopathy-uncommon-phenotype-of-a-homozygous-cyp1b1-deletion-as-internal-corneal-ulcer-of-von-hippel
#2
Valeria Oliva-Biénzobas, Alejandro Navas, Mirena C Astiazarán, Oscar Francisco Chacón-Camacho, Jose A Bermúdez-Magner, Mariana Takane, Enrique Graue-Hernández, Juan Carlos Zenteno
PURPOSE: To report a mutation of CYP1B1 in a newborn with a rare phenotype without the classic features of anterior segment dysgenesis or congenital glaucoma. METHODS: The newborn presented with diffuse corneal edema and bilaterally elevated intraocular pressure (IOP). Ophthalmological examination, ultrasound, and ultrasound biomicroscopy were performed; congenital infections were ruled out. Genetic analysis was performed. The patient underwent penetrating keratoplasty and goniotomy in a single surgical time...
June 21, 2017: Cornea
https://www.readbyqxmd.com/read/28643707/pre-descemet-s-endothelial-keratoplasty
#3
REVIEW
Priya Narang, Amar Agarwal
Endothelial keratoplasty (EK) has supplanted the penetrating keratoplasty procedure for corneal endothelial disorders. A review of literature on pre-descemet's EK, that is, a latest iterant in EK is described along with our experiences.
June 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28626820/factors-associated-with-surface-epithelial-keratopathy-after-optical-penetrating-keratoplasty
#4
Anuradha Raj, Renu Dhasmana, Harsh Bahadur
PURPOSE: The aim of the study was to evaluate the various donor and recipient factors associated with short-term prevalence of surface epithelial keratopathy after optical penetrating keratoplasty (OPK). METHODS: Preoperative and postoperative data of 91 eyes of 91 patients were reviewed retrospectively who had undergone OPK from March 2013 to February 2016. Donor and recipient data were analyzed for age and sex of the donor, cause of death, death to enucleation time (DET), death to preservation time (DPT), enucleation to utilisation time (EUT) and total time (TT), age and sex of recipient, indications of penetrating keratoplasty (PK), associated glaucoma and recipient size (RS)...
June 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28623041/-corneal-dystrophies
#5
REVIEW
J-L Bourges
Degenerative or hereditary corneal diseases are sometimes difficult to discriminate. Corneal dystrophies affect approximately 0.09 % of the population. They are identified by the IC3D classification based on their phenotype, genotype and evidence gathered for their diagnosis. Practically, the ophthalmologist manages functional symptoms, such as recurrent erosions, visual loss and amblyopia, photophobia, foreign body sensation, and sometimes pain and aesthetic concerns. Medical treatments consist of drops to promote healing, ointments, hyperosmotic agents and bandage contact lenses...
June 13, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28619977/infectious-crystalline-keratopathy-after-descemet%C3%A3-%C3%A2-%C3%A2-s-stripping-endothelial-keratoplasty
#6
Ashley J Porter, Graham A Lee, Kevin Whitehead
A 68-year-old woman presented with infectious crystalline keratopathy 4 months after she underwent a combined phacoemulsification and Descemet's stripping endothelial keratoplasty for Fuch's endothelial dystrophy in her left eye. After 5 months of topical moxifloxacin 1%, the infiltrate responded well but had not completely resolved, with the resulting endothelial failure requiring a penetrating keratoplasty 9 months after the initial operation. Microbiology identified Enterococcus faecalis with the histopathology demonstrating bacterial colonies within the graft interface...
June 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28611140/giant-iridodialysis-with-wound-dehiscence-following-penetrating-keratoplasty-an-ocular-emergency
#7
Jayanand S Urkude, Amar Pujari, Manthan Chaniyara, Rashmi Singh
No abstract text is available yet for this article.
June 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28606393/endothelial-keratoplasty-for-failed-penetrating-keratoplasty-grafts
#8
Chia-Ying Tsai, Yu-Chih Hou
No abstract text is available yet for this article.
June 9, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28606270/-keratoplasty-classification-and-primary-disease-spectrum-analysis-of-315-cases
#9
S B Cai, M Sun, S Li, L J Xu, W Wang, J Wang, W K Hu, X Y Li, P Wang, H Zhang, G G Li
Objective: To identify the primary disease spectrum and trends of surgical procedure of keratoplasty patients. Methods: Retrospective case series study. To review all patients who underwent keratoplasty at Department of ophthalmology in Tongji Hospital from January 1, 2012 to December 31, 2015. The data collected included age, sex, birthplace, and primary corneal disease and associated surgical procedures. Then the data were compared with similar papers domestic and foreign. Results: A total of 315 keratoplasties were performed during this 4-year period...
June 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28604983/visual-outcomes-of-the-second-eye-in-keratoconic-patients-who-have-a-corneal-graft-in-the-first-eye-analysis-at-12-years
#10
Anne-Sophie Gauthier, Marie Friot, Marc Puyraveau, Thibaud Garcin, Maher Saleh, Phillipe Gain, Bernard Delbosc
PURPOSE: To analyze demographic, clinical, and keratometric outcomes of the second eye in keratoconic patients when the first eye has already been grafted, initially and finally at 12 years. METHODS: Retrospective analysis of initial and 12 years visual and keratometric outcomes of the second eye in keratoconic patients when the first one has already been grafted. RESULTS: A total of 107 patients were included: 66 patients were analyzed at the beginning of the follow-up and at 12 years...
June 10, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28600303/stability-of-visual-outcome-between-2-and-5-years-following-corneal-transplantation-in-the-uk
#11
Sing-Pey Chow, Cathy L Hopkinson, Derek M Tole, Mark N Jones, Stuart D Cook, W John Armitage
BACKGROUND AND AIMS: Many studies of corneal transplantation focus on graft failure or rejection as endpoints, or report visual outcomes at one postoperative time point. We aimed to study the stability of visual outcomes between 2 and 5 years following corneal transplantation. METHODS: All patients with keratoconus (868) or Fuchs endothelial dystrophy (FED) (569) receiving their first corneal transplant for visual purposes in the UK between January 2003 and December 2009 were included...
June 9, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28597192/pre-banking-microbial-contamination-of-donor-conjunctiva-and-storage-medium-for-penetrating-keratoplasty
#12
Takenori Inomata, Koichi Ono, Tsuyoshi Matsuba, Tina Shiang, Antonio Di Zazzo, Satoru Nakatani, Masahiro Yamaguchi, Nobuyuki Ebihara, Akira Murakami
PURPOSE: The aims of this study were to investigate the incidence of positive donor tissue cultures before transfer to preservation medium (Optisol™-GS) for penetrating keratoplasty, to verify the efficacy of antibiotics contained in Optisol™-GS by examining the drug susceptibility and to assess the relationship between the results of our microbial assessments as well as donor factors and the incidence of contamination. METHODS: We conducted a retrospective, cross-sectional study using Juntendo Eye Bank records for all corneal transplantations...
June 8, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28593180/surgical-management-of-spontaneous-late-onset-descemet-membrane-detachment-after-penetrating-keratoplasty-for-keratoconus-a-case-report
#13
Myrsini Petrelli, Konstantinos Oikonomakis, Konstantinos Andreanos, Andreas Mouchtouris, Ilias Georgalas, George Kymionis
BACKGROUND: To report a surgical method for treating corneal oedema in a case of late-onset Descemet membrane detachment after penetrating keratoplasty. CASE PRESENTATION: A 55-year old patient presented with sudden visual loss in his left eye 28 years after penetrating keratoplasty for keratoconus. Slit-lamp biomicroscopy revealed a distortion of the corneal graft anatomy with protrusion of the graft and peripheral thinning and steepening in the residual host tissue, accompanied by corneal graft oedema...
2017: Eye and Vision (London, England)
https://www.readbyqxmd.com/read/28587882/combined-vitrectomy-and-glaucoma-drainage-device-implantation-surgical-approach-for-complex-pediatric-glaucomas
#14
Cem Ozgonul, Cagri G Besirli, Brenda L Bohnsack
PURPOSE: To evaluate efficacy of combined vitrectomy with posteriorly-placed glaucoma drainage device (GDD) in lowering intraocular pressure (IOP) in children. PATIENTS AND METHODS: Retrospective case review identified 20 children who underwent vitrectomy with posteriorly-placed GDD with minimal 6-months follow-up. First eye operated on was included. Success was defined as IOP 5-20 mmHg, no additional IOP-lowering surgery or visually-devastating complications. RESULTS: Patients with primary infantile-onset glaucoma (25%), traumatic glaucoma (15%), Peters anomaly (15%), microphthalmia (25%), glaucoma following cataract surgery (10%), microspherophakia (5%), and retinopathy of prematurity (5%) were included...
June 3, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28586929/-keratoprosthesis-with-biological-haptic-the-d%C3%A3-sseldorf-offenburg-experience-with-osteo-odonto-and-tibia-keratoprosthesis
#15
Gerd Geerling, Konrad Hille
In severe ocular surface disease with limbal stem cell deficiency associated with severe dry eye, penetrating keratoplasty is likely to fail. In these cases, and provided the posterior segment is normal, keratoprosthesis surgery (KPro) can achieve visual rehabilitation. In KPros with an autologous biological haptic, a bone-tooth-complex (osteo-odonto-keratoprothesis, OOKPro) or a piece of tibial cortex (tibia-keratoprosthesis, TKPro) is used to carry a PMMA cylinder. This construct can successfully be implanted even in severely dry eyes and in those with autoimmune disease, in which other KPro designs frequently fail...
June 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28583694/corneal-dystrophies
#16
J-L Bourges
Degenerative or hereditary corneal diseases are sometimes difficult to discriminate. Corneal dystrophies affect approximately 0.09% of the population. They are identified by the IC3D classification based on their phenotype, genotype and evidence gathered for their diagnosis. In practice, the ophthalmologist manages functional symptoms such as recurrent erosions, visual loss and amblyopia, photophobia, foreign body sensation, and sometimes pain and aesthetic concerns. Medical treatments consist of drops to promote healing, ointments, hyperosmotic agents and bandage contact lenses...
June 2, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28582374/management-of-corneal-scarring-secondary-to-herpes-zoster-keratitis
#17
Omar M Hassan, Asim V Farooq, Ketki Soin, Ali R Djalilian, Joshua H Hou
PURPOSE: To review the management of visually significant corneal scarring secondary to herpes zoster keratitis (HZK). METHODS: Literature review. RESULTS: Management options for visually significant corneal scarring secondary to HZK include scleral contact lenses, photorefractive or phototherapeutic keratectomy, lamellar keratoplasty, penetrating keratoplasty, and keratoprosthesis. Many authors recommend tarsorrhaphy in at-risk patients at the time of corneal transplantation...
June 2, 2017: Cornea
https://www.readbyqxmd.com/read/28546303/intraocular-minocycline-for-the-treatment-of-ocular-pythiosis
#18
Fátima Ros Castellar, Carmen Sobrino Jiménez, Almudena del Hierro Zarzuelo, Alicia Herrero Ambrosio, Ana Boto de Los Bueis
PURPOSE: A case of ocular pythiosis successfully treated with surgery and intraocular and oral minocycline is reported. SUMMARY: A 30-year-old man who wore corrective contact lenses traveled to Brazil and Colombia where he swam in salt and fresh waters while wearing contact lenses. He sought treatment at an emergency department after 2 weeks of suffering with a painful corneal ulcer, redness, and loss of vision in his right eye that had been treated at other centers with ophthalmic moxifloxacin for 10 days and with fortified topical antibiotics (amikacin and vancomycin) for 2 days...
June 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28542085/quantitative-analysis-of-depth-distribution-and-density-of-cysts-in-acanthamoeba-keratitis-using-confocal-microscopy
#19
Ping Huang, Tudor Tepelus, Laura A Vickers, Elmira Baghdasaryan, Jianyan Huang, John A Irvine, Hugo Y Hsu, Srinivas Sadda, Olivia L Lee
PURPOSE: To quantify the density, distribution, and depth of invasion of cysts in the corneas of eyes with acanthamoeba keratitis (AK) by in vivo confocal microscopy (IVCM) with a novel scanning pattern. METHODS: The medical records of patients with AK evaluated at the Doheny Eye Center UCLA between September 2014 and July 2016 were reviewed retrospectively. Patients with clinically diagnosed AK underwent IVCM at various time points during their clinical course...
May 23, 2017: Cornea
https://www.readbyqxmd.com/read/28540063/microrna-122-ameliorates-corneal-allograft-rejection-through-the-downregulation-of-its-target-cpeb1
#20
Ting Wang, Fengjie Li, Wenwen Geng, Qingguo Ruan, Weiyun Shi
Transplant rejection is a major cause of corneal transplantation failure. MicroRNAs (miRNAs) are a family of small RNAs that regulates gene expression in a sequence-specific manner. miRNAs have recently been shown to have important roles in human organ transplantation, but reports of miRNAs directly associated with corneal transplantation rejection remain limited. To investigate the role of miRNAs during corneal allograft rejection, we established a mouse penetrating keratoplasty model and used microarrays to screen for differentially expressed miRNAs...
2017: Cell Death Discovery
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