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Infectious keratitis

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https://www.readbyqxmd.com/read/28407169/collagen-cross-linking-with-photoactivated-riboflavin-pack-cxl-for-bacterial-keratitis-after-small-incision-lenticule-extraction-smile
#1
Tommy C Y Chan, Vanissa W S Chow, Vishal Jhanji
PURPOSE: To report a case of infectious keratitis after small incision lenticule extraction (SMILE) treated with collagen cross-linking with photoactivated riboflavin (PACK-CXL). METHODS: Case report and literature review. RESULTS: A patient presented with culture-proven bacterial keratitis 5 days after SMILE was treated with fortified topical antibiotics and PACK-CXL. Irrigation of the corneal cap-stromal bed interface, which can be difficult and affect visual outcomes, was not performed...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28371196/cytoarchitecture-of-epithelial-inflammatory-infiltration-indicates-the-aetiology-of-infectious-keratitis
#2
Adrian Smedowski, Dorota Tarnawska, Michal Orski, Ewa Wroblewska-Czajka, Kai Kaarniranta, Pasquale Aragona, Edward Wylegala
PURPOSE: To analyse cytological features of corneal epithelium in infectious keratitis. METHODS: One hundred and eighteen patients (53 males and 65 females) diagnosed with acute stage of infectious keratitis (45 viral, 40 bacterial, 23 fungal, 10 Acanthamoeba keratitis) were included in study. We performed retrospective analysis of bright and blue-light slit-lamp photographs and in vivo corneal confocal microscopy scans of the corneal epithelium from five corneal regions (superior, inferior, temporal, nasal and central)...
April 3, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28368993/penetrating-keratoplasty-at-a-tertiary-referral-center-in-ethiopia-indications-and-outcomes
#3
Menen Ayalew, Yonas Tilahun, Doug Holsclaw, Maanasa Indaram, Nicole E Stoller, Jeremy D Keenan, Jennifer Rose-Nussbaumer
PURPOSE: To describe the indications, visual acuity outcomes, and graft survival after penetrating keratoplasty (PKP) in Addis Ababa, Ethiopia. METHODS: The medical records of patients who underwent PKP at Menelik II Hospital between September 2000 and September 2013 were retrospectively reviewed. The prespecified outcomes were graft survival, visual acuity, and complication rates. RESULTS: A total of 321 patients underwent PKP during the study period and were included in the analysis...
March 31, 2017: Cornea
https://www.readbyqxmd.com/read/28347669/microbial-keratitis-after-penetrating-keratoplasty
#4
Jen-Pin Sun, Wei-Li Chen, Jehn-Yu Huang, Yu-Chih Hou, I-Jong Wang, Fung-Rong Hu
PURPOSE: To report the incidence, microbiological profile, graft survival and determining factors of microbial keratitis after penetrating keratoplasty (PK). DESIGN: Observational case series. METHODS: Fifty-one patients (52 eyes) who were treated at a single tertiary referral center during a 10-year period. Retrospective chart review of medical records of all patients diagnosed with microbial keratitis after penetrating keratoplasty at the National Taiwan University Hospital between January 2000 and December 2009...
March 24, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28318708/-high-irradiance-accelerated-corneal-collagen-crosslinking-for-the-treatment-of-keratoconus-a-retrospective-study
#5
N Moineau, L Sauvan, J Benichou, G Ho Wang Yin, L Hoffart
PURPOSE: To evaluate the safety and efficacy of accelerated corneal collagen crosslinking on stabilization of progressive keratoconus. MATERIALS AND METHODS: This was a retrospective study from March 2013 to March 2015. Patients with progressive keratoconus who underwent accelerated corneal collagen crosslinking were included. Visual acuity with and without correction, biomicroscopy, corneal elevation topography (maximum and mean keratometry values, minimum pachymetry, densitometry) and side effects were recorded at baseline and at 1, 3 and 6 months (M)...
April 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28298316/paediatric-infectious-keratitis-a-case-series-of-107-children-presenting-to-a-tertiary-referral-centre
#6
Julia Dutra Rossetto, Kara M Cavuoto, Carla J Osigian, Ta Chen Peter Chang, Darlene Miller, Hilda Capo, Oriel Spierer
BACKGROUND/AIMS: Corneal ulcers can result in severe visual impairment in children. The recent trends of paediatric microbial ulcerative keratitis in the USA are unknown. The purpose of this study is to report the risk factors, microbiological profile and treatment outcomes of paediatric microbial keratitis in South Florida. METHODS: A university-based tertiary eye care centre retrospective case series between 1992 and 2015. Medical records of 107 paediatric patients (age <18 years) with the diagnosis of microbial ulcerative keratitis were analysed...
March 15, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28279173/a-super-infection-in-the-cornea-caused-by-stemphylium-acremonium-and-%C3%AE-streptococcus
#7
Fumika Hotta, Hiroshi Eguchi, Keiko Nishimura, Masahiro Kogiso, Mayumi Ishimaru, Shunji Kusaka, Yoshikazu Shimomura, Takashi Yaguchi
BACKGROUND: Polymicrobial keratitis with fungus and bacteria can lead to blindness and is challenging to treat. Here, we introduce a case of fungal keratitis caused by two different strains in addition to definite bacterial super-infection caused by an α-Streptococcus sp., and describe the importance of microscopic examination. CASE PRESENTATION: A 74-year-old woman, who had a past history of infection with leprosy, presented with conjunctival hyperaemia, pain, and corneal opacity in her right eye...
March 9, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28275607/intracorneal-and-intraocular-invasion-of-ocular-surface-squamous-neoplasia-after-intraocular-surgery-report-of-two-cases-and-review-of-the-literature
#8
Juan C Murillo, Anat Galor, Michael C Wu, Natasha K Kye, James Wong, Ibrahim O Ahmed, Madhura Joag, Nabeel Shalabi, William Lahners, Sander Dubovy, Carol L Karp
PURPOSE: The aim of this paper was to describe 2 cases of ocular surface squamous neoplasia (OSSN) of the conjunctiva with intracorneal and intraocular extension following intraocular surgery. METHODS: We conducted a clinical pathological retrospective case series. RESULTS: Case 1 underwent cataract surgery in the setting of an unnoticed adjacent OSSN. An excisional biopsy with cryotherapy and intraoperative mitomycin C was subsequently performed, confirming OSSN...
January 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/28271013/ultrahigh-resolution-oct-imaging-of-the-human-cornea
#9
René M Werkmeister, Sabina Sapeta, Doreen Schmidl, Gerhard Garhöfer, Gerald Schmidinger, Valentin Aranha Dos Santos, Gerold C Aschinger, Isabella Baumgartner, Niklas Pircher, Florian Schwarzhans, Anca Pantalon, Harminder Dua, Leopold Schmetterer
We present imaging of corneal pathologies using optical coherence tomography (OCT) with high resolution. To this end, an ultrahigh-resolution spectral domain OCT (UHR-OCT) system based on a broad bandwidth Ti:sapphire laser is employed. With a central wavelength of 800 nm, the imaging device allows to acquire OCT data at the central, paracentral and peripheral cornea as well as the limbal region with 1.2 µm x 20 µm (axial x lateral) resolution at a rate of 140 000 A-scans/s. Structures of the anterior segment of the eye, not accessible with commercial OCT systems, are visualized...
February 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28220322/serious-fungal-infections-in-the-philippines
#10
M C R Batac, D Denning
The Philippines is a low middle-income, tropical country in Southeast Asia. Infectious diseases remain the main causes of morbidity, including tuberculosis. AIDS/HIV prevalence is still low at <1%, but is rapidly increasing. Fungal disease surveillance has not been done, and its burden has never been estimated. This becomes more important as the population of immunocompromised patients increases, drawn from patients with AIDS, TB, malignancies, and autoimmune diseases requiring chronic steroid use. Using the methodology of the LIFE program ( www...
February 21, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28217443/virulence-genome-analysis-of-pseudomonas-aeruginosa-vrfpa10-recovered-from-patient-with-scleritis
#11
Nandagopal Murugan, Jambulingam Malathi, Vetrivel Umashankar, Hajib Narahari Rao Madhavan
Infectious keratitis is a major cause of blindness, next to cataract and majority of cases are mainly caused by gram negative bacterium Pseudomonas aeruginosa (P. aeruginosa). In this study, we investigated a P. aeruginosa VRFPA10 genome which exhibited susceptibility to commonly used drugs in vitro but the patient had poor prognosis due to its hyper virulent nature. Genomic analysis of VRFPA10 deciphered multiple virulence factors and P.aeruginosa Genomic Islands (PAGIs) VRFPA10 genome which correlated with hyper virulence nature of the organism...
June 2017: Genomics Data
https://www.readbyqxmd.com/read/28203189/a-mystery-of-bilateral-annular-choroidal-and-exudative-retinal-detachment-with-no-systemic-involvement-is-it-part-of-vogt-koyanagi-harada-disease-spectrum-or-a-new-entity
#12
Ibrahim Elaraoud, Walter Andreatta, Li Jiang, Kenan Damer, Jalil Al-Ibrahim
A 65-year-old Caucasian male presented to the eye emergency department with bilateral significant visual loss. He was otherwise healthy with no significant past medical history. Ophthalmic history was significant for chronic open-angle glaucoma, for which the patient was using latanoprost once daily to both eyes. There was no preceding history of trauma or ocular surgery and the patient was emmetropic. Two weeks prior to his presentation, he reported a headache, which settled spontaneously. Slit-lamp examination demonstrated bilateral keratic precipitates, bilateral significantly shallow anterior chamber, and bilaterally normal intraocular pressures of 16 mm Hg...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28168969/the-challenge-of-controlling-infectious-keratitis
#13
EDITORIAL
Catherine E Oldenburg, Thomas M Lietman
No abstract text is available yet for this article.
April 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28149778/epidemiological-clinical-and-laboratory-findings-of-infectious-keratitis-at-mansoura-ophthalmic-center-egypt
#14
Amani E Badawi, Dalia Moemen, Nora L El-Tantawy
AIM: To analyze the epidemiological, clinical and laboratory findings of infectious keratitis. METHODS: A retrospective study on cases of infective keratitis, attended our institution from Mar. 2013 to Feb. 2015, was done at Mansoura Ophthalmic Center, Egypt. Corneal scrapings were performed and processed for direct microscopy and culture in appropriate media using standard laboratory protocols. RESULTS: Out of 245 patients enrolled for study, 247 corneal scrapings were obtained...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28138334/atopic-keratoconjunctivitis-complicated-by-kocuria-koreensis-keratitis-the-first-case
#15
Noriko Inada, Jun Shoji, Satoru Yamagami
BACKGROUND: Patients with atopic dermatitis have a predisposition to Staphylococcus aureus and a Herpes simplex virus infection. The treatment of atopic diseases with steroid and immunosuppressive agents induces opportunistic infection. However, there is a concern regarding visual prognosis in patients with atopic keratoconjunctivitis (AKC) complicated with infectious keratitis. We report an unusual case of an atopic shield ulcer with Kocuria keratitis. CASE PRESENTATION: A 51-year-old Japanese man presented with a 14-day history of eye pain and visual loss in his left eye...
2017: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/28129422/antimicrobial-blue-light-therapy-for-infectious-keratitis-ex-vivo-and-in-vivo-studies
#16
Hong Zhu, Irene E Kochevar, Irmgard Behlau, Jie Zhao, Fenghua Wang, Yucheng Wang, Xiaodong Sun, Michael R Hamblin, Tianhong Dai
Purpose: To investigate the effectiveness of antimicrobial blue light (aBL) as an alternative or adjunctive therapeutic for infectious keratitis. Methods: We developed an ex vivo rabbit model and an in vivo mouse model of infectious keratitis. A bioluminescent strain of Pseudomonas aeruginosa was used as the causative pathogen, allowing noninvasive monitoring of the extent of infection in real time via bioluminescence imaging. Quantitation of bacterial luminescence was correlated to colony-forming units (CFU)...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28129300/multimodal-assessment-of-corneal-thinning-using-optical-coherence-tomography-scheimpflug-imaging-pachymetry-and-slit-lamp-examination
#17
Julius T Oatts, Jeremy D Keenan, Tova Mannis, Tom M Lietman, Jennifer Rose-Nussbaumer
PURPOSE: To assess the relationship between corneal thinning measured by clinician-graded slit-lamp examination compared with ultrasound pachymetry (USP), anterior segment optical coherence tomography (AS-OCT), and the Pentacam. METHODS: Patients with corneal thinning underwent USP, AS-OCT, Pentacam measurements and standardized clinical grading by 2 cornea specialists estimating thinning on slit-lamp examination. Reproducibility of each testing modality was assessed using the intraclass correlation coefficient...
April 2017: Cornea
https://www.readbyqxmd.com/read/28127443/the-unusual-association-of-inverse-retinitis-pigmentosa-and-fuchs-heterochromic-iridocyclitis
#18
Gian Franco Díez-Cattini, David Arturo Ancona-Lezama, Carlos Valdés-Lara, Virgilio Morales-Cantón
BACKGROUND: Classic retinitis pigmentosa (RP) and other syndromic variants have previously been associated to Fuchs' heterochromic iridocyclitis (FHI). Common immunogenic and inflammatory pathways have been proposed to explain the higher incidence of this uveitic phenomenon in patients with retinal dystrophies without definitive answers. Infrequent variants of RP such as inverse RP have not been previously reported in association with FHI. We believe that finding the way these entities connect can shed some light into their complex pathogenesis and help find ways to foresee and prevent the appearance of complications such as cataract and macular edema...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28116630/corneal-transplantation-study-of-the-data-of-a-regional-eye-bank-for-the-year-2013-and-analysis-of-the-evolution-of-the-adverse-events-reported-in-france-since-2010
#19
Anne-Sophie Gauthier, Marie Castelbou, Mélanie Bidaut Garnier, Joëlle Pizzuto, Stephan Roux, Philippe Gain, Fabienne Pouthier, Bernard Delbosc
To analyze the data of the adverse events collected in a single major eye bank (EFS Bourgogne Franche Comté, Besançon, France) for the year 2013 and to report the French data of biovigilance provided by the French National Agency for Medicines and Health Products Safety (ANSM) between 2010 and 2013. we have set up a study of adverse events in 2013, in collaboration with a single eye bank (EFS Bourgogne Franche Comté, Besançon, France). A survey was sent to the surgeon for each delivered corneal button by the eye bank in 2013...
March 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28106466/phototoxic-effect-of-topical-fluoroquinolones-administered-before-corneal-crosslinking-in-a-murine-model
#20
Victor E Reviglio, Matias Osaba, Gabriela Sambuelli, Irene C Kuo
PURPOSE: Corneal crosslinking by UV light (UV-CXL) has become a popular treatment for keratoconus and corneal ectasia. Fluoroquinolones (FQs), commonly administered topically before UV-CXL, are known to be phototoxic to the skin and lens. The purpose of this study was to investigate phototoxic effects of topical FQ treatment on murine corneas before UV-CXL, in which the corneal epithelium was kept intact. METHODS: Murine corneas were treated with various antibiotics with or without riboflavin before UV-CXL...
March 2017: Journal of Ocular Pharmacology and Therapeutics
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