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keratitis graft

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https://www.readbyqxmd.com/read/29135707/outcome-of-therapeutic-keratoplasty-in-hopeless-microbial-keratitis-cases-otherwise-advised-evisceration
#1
Rajat Jain, Karma L Bhutia, Neha Mohan, Col K C Gupta, Ashwani Ghai
PURPOSE: To study the outcome of therapeutic keratoplasty in severe microbial keratitis cases otherwise advised evisceration. METHODS: A retrospective, single-center clinical audit included 28 patients with severe microbial keratitis presenting from April 2014 to April 2016. Patients with microbial keratitis either affecting more than 2 quadrants of the limbus and/or cases with infections involving more than 180 mm of the cornea who were advised evisceration by more than one ophthalmologist were included...
November 13, 2017: Cornea
https://www.readbyqxmd.com/read/29030369/post-laser-assisted-in-situ-keratomileusis-keratomycotic-malignant-glaucoma
#2
Pranita Sahay, Prafulla Kumar Maharana, Namrata Sharma, Jeewan S Titiyal
We report a case of a 24-year-old male patient with post-laser assisted in situ keratomileusis (LASIK) culture-proven mycotic keratitis who developed pupillary block glaucoma on day 19 of medical management. The case was initially managed with multiple Nd-Yag peripheral iridotomy along with systemic and topical antiglaucoma medications. However, an emergency therapeutic penetrating keratoplasty (TPK) with lens extraction was done in view of persistently raised intraocular pressure (IOP) and seclusio pupillae...
October 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28969610/associated-factors-diagnosis-and-management-of-acanthamoeba-keratitis-in-a-referral-center-in-southern-china
#3
Jing Zhong, Xingyi Li, Yuqing Deng, Ling Chen, Shiyou Zhou, Weilan Huang, Shiqi Lin, Jin Yuan
BACKGROUND: To analyse the associated factors, diagnosis, clinical manifestations and therapeutic effects of Acanthamoeba keratitis at a tertiary ophthalmic centre in Southern China. METHODS: A retrospective clinical study was performed in fifteen patients who were admitted to Zhongshan Ophthalmic Centre (ZOC) from January 2004 to December 2014. The patients' pathogenesis-associated factors were analysed, and preoperative diagnoses were determined using corneal scraping cultures and/or confocal microscopy followed...
October 2, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28900769/interface-scopulariopsis-gracilis-fungal-keratitis-following-descemet-s-stripping-automated-endothelial-keratoplasty-dsaek-with-a-contaminated-graft
#4
Craig Wilde, Marco Messina, Tara Moshiri, Susan E Snape, Senthil Maharajan
PURPOSE: To report for the first time a case of interface Scopulariopsis gracilis fungal keratitis following Descemet's stripping automated endothelial keratoplasty (DSAEK) with a contaminated graft. METHODS: A 57-year-old man with bilateral keratoconus and previous bilateral penetrating keratoplasties (PK) developed graft failure in association with marked corneal ectasia. He underwent a successful DSAEK. Unfortunately, a contaminated graft was transplanted and the following morning we were contacted by the eye bank to inform us a slow-growing fungus had been detected in the culture plates inoculated with dextran solution used to store the issued corneoscleral button...
September 12, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28868034/correction-of-high-astigmatism-after-penetrating-keratoplasty-with-toric-multifocal-intraocular-lens-implantation
#5
Raffaele Nuzzi, Francesca Monteu
After penetrating keratoplasty (PK), high astigmatism is often induced, being frequently about 4-6 dpt. According to the entity and typology of astigmatism, different methods of correction can be used. Selective suture removal, relaxing incisions, wedge resections, compression sutures, photorefractive keratectomy, and laser-assisted in situ keratomileusis can reduce corneal astigmatism and ametropia, but meanwhile they can cause a reduction in the corneal integrity and cause an over- or undercorrection. In case of moderate-to-high regular astigmatisms, the authors propose a toric multifocal intraocular lens (IOL) implantation to preserve the corneal integrity (especially in PK after herpetic corneal leukoma keratitis)...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28855517/cross-linked-decellularized-porcine-corneal-graft-for-treating-fungal-keratitis
#6
Yongliang Lin, Qinxiang Zheng, Shanshan Hua, Yongchun Meng, Wei Chen, Yifei Wang
This study aims to develop a cross-linked decellularized porcine corneal graft (cDPC) as a substitute for lamellar donor corneas and to evaluate the feasibility of using cDPC to treat fungal keratitis. The cDPC was prepared by decellularization, chemical crosslinking and γ-ray irradiation. Transparency, effectiveness of decellularization and biomechanical strength of cDPC were evaluated. The safety and efficacy of using cDPC to treat fungal keratitis were evaluated in the rabbit model. The transparency of cDPC was similar to that of a native porcine cornea (NPC), and no intact cells were observed in cDPC except for an insignificant amount of residual shrinking cellular nucleus...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28803395/isolated-severe-microblepharon-in-a-neonate-a-rare-case
#7
Rachna Meel, Saranya Devi, Anita Ganger, Manasa S, Neelam Pushker
PURPOSE: To report a rare case of isolated severe microblepharon in a neonate. METHODS: A 27 days old male child was brought by parents with redness, photophobia and discharge for two weeks. Thorough ophthalmological and systemic examination was performed. RESULTS: The diagnosis of isolated severe microblepharon with infectious keratitis was made. After the appropriate management of infectious keratitis and achieving complete resolution, the child was subjected to bilateral lid reconstruction was done in the form of upper lid skin grafting and tarsorrhaphy and the patient is being followed up...
August 12, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28724812/use-of-glycerol-preserved-corneas-for-corneal-transplants
#8
Neeti Gupta, Prerna Upadhyay
PURPOSE: This study was carried out to see the results of glycerol-preserved cornea (GPC) in emergency situation when fresh corneal tissue was not available. The aim was to study the outcome of corneal transplantation using GPC. METHODS: This was a retrospective study. The medical records of all the patients were reviewed, who underwent keratoplasty using "GPC" during the period from October 2011 to December 2015. The indication of keratoplasty, duration of preservation of the GPC, and its outcome were analyzed...
July 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28700252/modified-allogenic-simple-limbal-epithelial-transplantation-followed-by-keratoplasty-as-treatment-for-total-limbal-stem-cell-deficiency
#9
Alfonso Vasquez-Perez, Mayank A Nanavaty
PURPOSE: To describe a modified allogenic simple limbal epithelial transplant (SLET) technique with large donor tissue explants followed by keratoplasty. METHODS: A 69-year-old with conjunctival melanoma on her left eye developed total limbal stem cell deficiency (LSCD) after multiple cycles of topical mitomycin. She also had herpes stromal keratitis while on treatment with mitomycin. She underwent modified allogenic SLET with large donor limbal tissue explants glued on the cornea directly and the amniotic membrane placed over the limbal explants...
July 12, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28688026/indications-and-graft-survival-analysis-in-optical-penetrating-keratoplasty-in-a-tertiary-care-center-in-north-india-a-5-year-study
#10
Sudesh Kumar Arya, Amit Raj, Ravi Kant Bamotra, Anubha Bhatti, Jyoti Deswal, Meenakshi Sindhu
PURPOSE: To study the indications and variables correlating with graft survival in optical penetrating keratoplasty in a tertiary care hospital in north India. PARTICIPANTS: All patients who underwent optical keratoplasty, except those undergoing lamellar grafts, tectonic grafts transplants and penetrating keratoplasty done for therapeutic purposes were included in the study. Patients with follow-up less than 2 years were excluded from the study. MATERIALS AND METHODS: Data were obtained by reviewing the records of 101 patients who underwent optical penetrating keratoplasty from 2008 to 2013 for various indications...
July 7, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28683478/-emergency-keratoplasty-with-porcine-xenografts-in-necrotizing-keratitis
#11
Galyna I Drozhzhyna, Tetiana B Gaidamaka, Claus Cursiefen, Björn O Bachmann, Olena V Ivanovska, Viktor L Ostashevsky, Boris M Kogan, Volodymyr J Usov, Natalija V Pasyechnikova
Background The great shortage of donor material in Ukraine makes it necessary to find additional sources of transplant material. A possible suitable material are the porcine corneas, as they are similar in structure and biomechanical parameters to the human cornea. The purpose of our study was to analyze the results of therapeutic keratoplasty (KP) with keratoxenotransplants from cryolyophilized porcine corneas in patients with severe necrotizing keratitis. Methods A retrospective analysis of 32 xenotransplantations patients with severe necrotizing keratitis (17 lamellar, 6 stepped perforating, 4 perforating, 5 "biological coverage" according to Puchkovskaya) was completed...
July 6, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28660128/medical-and-surgical-management-of-pasteurella-canis-infectious-keratitis
#12
Ankit Shah, Mansi Talati, Thomas Mauger
INTRODUCTION: We describe a case of refractory Pasteurella Canis keratitis that initially failed antimicrobial treatment but was successfully treated with a conjunctival flap followed by a penetrating keratoplasty. CASE DISCUSSION: A 70-year-old male had persistent corneal edema related to previous herpes zoster keratouveitis with visual acuity of 20/400. An endothelial keratoplasty was performed with improvement in vision to 20/25. Several months after this surgery the patient developed a corneal infiltrate and cultures grew Pasturella canis...
2017: IDCases
https://www.readbyqxmd.com/read/28644238/prevention-and-management-of-descemet-membrane-endothelial-keratoplasty-complications
#13
Ruth Quilendrino, Marina Rodriguez-Calvo de Mora, Lamis Baydoun, Lisanne Ham, Korine van Dijk, Isabel Dapena, Silke Oellerich, Gerrit R J Melles
PURPOSE: To describe Descemet membrane endothelial keratoplasty (DMEK) complications and strategies for their prevention and management. METHODS: Five hundred consecutive eyes with DMEK of 393 patients were reviewed in this retrospective study for intraoperative and postoperative complications up to 2 years and for corresponding management. RESULTS: Intraoperative challenges (difficult graft unfolding/positioning, high vitreous pressure, iris root hemorrhage, and Descemet membrane remnants) were encountered in 81 eyes (16...
September 2017: Cornea
https://www.readbyqxmd.com/read/28598869/graft-versus-host-disease-what-should-the-oculoplastic-surgeon-know
#14
REVIEW
Cynthia I Tung
PURPOSE OF REVIEW: To provide a concise review of the oculoplastic manifestations of ocular graft versus host disease (GVHD), and to discuss their management. RECENT FINDINGS: Ocular GVHD occurs as a common immune-mediated complication of hematopoietic stem cell transplantation that presents as a Stevens-Johnson-like syndrome in the acute phase or a Sjögren-like syndrome in the chronic phase. Cicatricial conjunctivitis may be underreported in ocular GVHD. The spectrum of oculoplastic manifestations includes GVHD of the skin, cicatricial entropion, nasolacrimal duct obstruction, and lacrimal gland dysfunction...
September 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28586930/-mid-and-longterm-experiences-with-the-boston-keratoprosthesis-the-cologne-and-salzburg-perspective
#15
Friederike Schaub, Björn O Bachmann, Orang Seyeddain, Sarah Moussa, Herbert A Reitsamer, Claus Cursiefen
Background Eyes with severe corneal opacifications and insufficient prognosis for high-risk corneal transplantation can be considered for the implantation of a Boston-keratoprosthesis. Since 2013, this technique of "artificial" corneal replacement is provided to high-risk eyes at the Department of Ophthalmology, University of Cologne and for 9 years at the University of Salzburg. In the meantime, a type I Boston keratoprosthesis (BI-KPro) has been implanted in 24 eyes in Cologne and in 28 eyes in Salzburg. Methods In this article, results and complications according to BI-KPro are discussed, both from the literature in PubMed, as well as from our own experiences...
June 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28582374/management-of-corneal-scarring-secondary-to-herpes-zoster-keratitis
#16
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...
August 2017: Cornea
https://www.readbyqxmd.com/read/28570404/surrogate-outcome-measures-for-corneal-neurotization-in-infants-and-children
#17
Sarvnaz Sepehripour, Mark Sheldon Lloyd, Hiroshi Nishikawa, Bruce Richard, Manoj Parulekar
BACKGROUND: Corneal anesthesia is a rare and challenging condition, particularly in young children. The insensate cornea leads to abnormal epithelial cell metabolism and loss of trophic influences supplied by the corneal nerve fibers. This results in recurrent spontaneous epithelia erosion and eventual loss of sight. Corneal reinnervation is a definitive treatment option for neuropathic keratitis. The outcome measures in young children following corneal sensitization are different to adults as esthesiometry is unachievable...
May 31, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28538612/scleral-contact-lenses-in-an-academic-oculoplastics-clinic-epidemiology-and-emerging-considerations
#18
Harinder S Chahal, Marcela Estrada, Christine W Sindt, Jacob A Boehme, Mark A Greiner, Jeffrey A Nerad, Keith D Carter, Richard C Allen, Erin M Shriver
PURPOSE: To describe the role and efficacy of scleral contact lenses (SCLs) in the treatment of progressive keratopathy in patients who have undergone periocular surgical procedures, to investigate the financial impact of these surgical interventions, and to demonstrate the role of oculoplastic surgery in improving scleral contact lens fit. METHODS: A retrospective medical record review was performed to identify patients who both received SCLs and were examined by the oculoplastics service at the University of Iowa between January 1990 and December 2015...
May 22, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28495906/emergency-corneal-grafting-in-the-uk-a-6-year-analysis-of-the-uk-transplant-registry
#19
Parwez Hossain, Abdo Karim Tourkmani, Dimitri Kazakos, Mark Jones, David Anderson
BACKGROUND: Corneal graft (CG) surgery is the most common and successful tissue transplant worldwide. A small and important group of patients are operated in emergency situations, typically to save a perforated eye. Our knowledge of the indications and outcomes of emergency corneal graft (eCG) is limited. METHODS: Retrospective, multifactorial analysis of all CGs registered by the UK Transplant Service from April 1999 to March 2005. RESULTS: A total of 12 976 CGs were performed...
May 11, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28485528/bioengineered-keratocyte-spheroids-fabricated-on-chitosan-coatings-enhance-tissue-repair-in-a-rabbit-corneal-stromal-defect-model
#20
Shih-Feng Chou, Chih-Hung Lee, Jui-Yang Lai
Cultivated cell spheroid transplantation is widely studied as a means of facilitating tissue regeneration. Chitosan biomaterial has been shown to promote keratocyte aggregation and multicellular spheroid formation. Herein, we provide further evidence on application of bioengineered keratocyte spheroids for corneal stromal tissue engineering. In an allogeneic rabbit model of stromal destruction caused by bacterial keratitis, the corneas were intrastromally injected with isolated keratocyte suspensions or aggregated spheroid grafts at same cell number...
May 9, 2017: Journal of Tissue Engineering and Regenerative Medicine
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