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Clinical keratitis

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https://www.readbyqxmd.com/read/29150218/keratitis-secondary-to-fusarium-spp-in-spain-2012-2014
#1
M A Mosquera Gordillo, N Barón Cano, A Garralda Luquin, C López Gutiérrez, E Mengual Verdú, G Trujillo Cabrera, J M Garrido Fierro, J Lamarca Mateu, J C Sánchez España, P Marticorena Álvarez, R Feijoó Lera, S Martín Nalda, T Marti Huguet, V Gacía Conca
OBJECTIVE: To describe the clinical-epidemiological characteristics of a case series of fungal keratitis associated with Fusarium spp.., in Spain during the years 2012 to 2014. METHODS: A retrospective study of a case series was conducted on a systematic random sample of 10% of patients identified in Health Centres of provincial capitals (n=250). The centres were asked whether they had been presented with cases of Fusarium spp. keratitis characterised by microbiological methods...
November 14, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/29150029/-fungal-keratitis
#2
REVIEW
T Bourcier, A Sauer, A Dory, J Denis, M Sabou
Fungal keratitis, or keratomycoses, are corneal infections which must be considered in cases of corneal trauma, prior corneal surgery, chronic ocular surface disease, topical corticosteroids or contact lens wear. Filamentous fungi or yeasts may be involved. Presenting clinical features such as corneal infiltrates with feathery edges and/or raised surface, intact epithelium with deep stromal involvement, satellite lesions, endothelial plaques, lack of improvement with antibiotics and worsening with steroids are suggestive of fungal keratitis...
November 14, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29135707/outcome-of-therapeutic-keratoplasty-in-hopeless-microbial-keratitis-cases-otherwise-advised-evisceration
#3
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/29133630/non-contact-lens-related-acanthamoeba-keratitis
#4
REVIEW
Prashant Garg, Paavan Kalra, Joveeta Joseph
The purpose of the study is to describe epidemiology, clinical features, diagnosis, and treatment of Acanthamoeba keratitis (AK) with special focus on the disease in nonusers of contact lenses (CLs). This study was a perspective based on authors' experience and review of published literature. AK accounts for 2% of microbiology-proven cases of keratitis. Trauma and exposure to contaminated water are the main predisposing factors for the disease. Association with CLs is seen only in small fraction of cases. Contrary to classical description experience in India suggests that out of proportion pain, ring infiltrate, and radial keratoneuritis are seen in less than a third of cases...
November 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29129651/dendritic-cells-in-the-cornea-during-herpes-simplex-viral-infection-and-inflammation
#5
REVIEW
Min S Kwon, Nicole A Carnt, Naomi R Truong, Ushasree Pattamatta, Andrew J White, Chameen Samarawickrama, Anthony L Cunningham
Herpes simplex keratitis is commonly caused by Herpes simplex Virus Type 1 (HSV-1), which primarily infects eyelids, corneas or conjunctiva. HSV-1- through sophisticated interactions with dendritic cells (DCs), a type of antigen-presenting cell)-initiates pro-inflammatory responses in the cornea. Corneas were once thought to be an immune privileged region; however, with the recent discovery of DCs that reside in the cornea, this long held conjecture has been overturned. Therefore, evaluating the clinical, preclinical, and cell-based studies that investigate the roles of DCs in corneas infected with HSV is critical...
November 9, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/29126292/safety-and-immunogenicity-of-inactivated-varicella-zoster-virus-vaccine-in-adults-with-autoimmune-disease-a-phase-2-randomized-double-blind-placebo-controlled-clinical-trial
#6
Michael Eberhardson, Stephen Hall, Kim A Papp, Tina M Sterling, Jon E Stek, Lei Pang, Yanli Zhao, Janie Parrino, Zoran Popmihajlov
Background: Immunogenicity and safety of inactivated zoster vaccine (ZVIN) were evaluated in adults with autoimmune disease. Methods: Adults with autoimmune disease treated with immunosuppressive therapy (biologic or nonbiologic) were randomized to receive 4 doses of ZVIN, ZVIN containing a higher quantity of antigen, or placebo. To measure varicella-zoster virus (VZV)-specific immune responses using glycoprotein enzyme-linked immunosorbent assay (gpELISA) and interferon-gamma enzyme-linked immunospot (IFN-γ ELISPOT), blood samples were collected at baseline, post-doses 2, 3, and 4...
October 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29111996/microbial-keratitis-after-accelerated-corneal-collagen-cross-linking-in-keratoconus
#7
Prafulla K Maharana, Pranita Sahay, M Sujeeth, Deepali Singhal, Anubha Rathi, Jeewan S Titiyal, Namrata Sharma
PURPOSE: To assess the pattern of microbial keratitis after accelerated corneal collagen cross-linkage (aCXL) in patients with keratoconus. METHOD: The medical records of cases of keratoconus that underwent aCXL from June 2014 to May 2017 were reviewed. Cases that developed microbial keratitis after aCXL were included in the study. The clinical, microbiological profile and the treatment outcomes were evaluated. RESULTS: Of 532 eyes that underwent aCXL, 7 cases developed microbial keratitis during the study period...
November 2, 2017: Cornea
https://www.readbyqxmd.com/read/29111995/diagnostic-evaluation-of-co-occurrence-of-acanthamoeba-and-fungi-in-keratitis-a-preliminary-report
#8
Anita Raghavan, Shaffie Baidwal, Prabhu Vijayaraghavan, Sakthi Rajeswari, Revathi Rajaraman, Narendran Venkatapathy, Sunitha Menon, Ram Rammohan
PURPOSE: To test the hypothesis that the coexistence of Acanthamoeba with other forms of microbial keratitis, especially fungal keratitis (FK), is more prevalent than suspected. METHODS: A prospective diagnostic study whereby patients presenting with stromal keratitis were additionally tested for Acanthamoeba, irrespective of the initial diagnosis. In addition to the routine workup with Gram stain, KOH mount, and cultures on blood agar and potato dextrose agar, nonnutrient agar was included...
November 14, 2017: Cornea
https://www.readbyqxmd.com/read/29111994/identification-of-the-infection-source-of-an-outbreak-of-mycobacterium-chelonae-keratitis-after-laser-in-situ-keratomileusis
#9
Heloisa Nascimento, Cristina Viana-Niero, Christiane Lourenço Nogueira, Paulo José Martins Bispo, Fernando Pinto, Camila de Paula Pereira Uzam, Cristianne Kayoko Matsumoto, Antônia Maria Oliveira Machado, Sylvia Cardoso Leão, Ana Luisa Höfling-Lima, Denise de Freitas
PURPOSE: Nontuberculous mycobacteria keratitis is a rare but challenging complication of laser in situ keratomileusis (LASIK). This study was conducted to determine the source(s) of infection in a cluster of cases of keratitis after LASIK and to describe this outbreak and patients' outcomes. METHODS: In this retrospective, case series, single-center study, 86 patients were included who underwent LASIK or photorefractive keratectomy between December 2011 and February 2012...
November 2, 2017: Cornea
https://www.readbyqxmd.com/read/29110189/ciclosporin-ophthalmic-emulsion-0-1-a-review-in-severe-dry-eye-disease
#10
Sheridan M Hoy
Ciclosporin ophthalmic emulsion 0.1% (hereafter referred to as ciclosporin 0.1%) [Ikervis(®)] is an unpreserved cationic emulsion formulation containing an 0.1% concentration of ciclosporin. It has been approved in various countries worldwide, including those of the EU, for the treatment of severe keratitis in adults with dry eye disease, which has not improved despite treatment with tear substitutes. In a multinational, phase III study in this patient population, once-daily ciclosporin 0.1% was associated with statistically significant and clinically relevant improvements in the signs (corneal surface damage and ocular surface inflammation) of dry eye disease relative to vehicle during the first 6-month treatment period...
November 2017: Drugs
https://www.readbyqxmd.com/read/29104658/bacterial-keratitis-photodynamic-inactivation-reduced-experimental-inflammation
#11
Mona Deichelbohrer, Ming-Feng Wu, Berthold Seitz, Dirk Hüttenberger, Matthias W Laschke, Hans-Jochen Foth, Bodo Wonnenberg, Stefan Wagenpfeil, Carola Meier, Markus Bischoff, Thomas Tschernig
The successful treatment of bacterial keratitis remains an unsolved clinical problem. The current study aimed to establish a murine keratitis model and to investigate the effect of chlorin e6 (Ce6) and photodynamic inactivation (PDI) on corneal inflammation. The cornea of anesthetized mice was scratched and covered with a bacterial suspension of Pseudomonas aeruginosa. A paste containing Ce6 was applied to the cornea with subsequent exposure to specified light. Two days later the animals were sacrificed, and the globes were processed for light microscopy...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29098103/cochlear-implantation-in-patients-with-keratitis-ichthyosis-deafness-syndrome-a-report-of-two-cases
#12
Birgul Gumus, Armagan Incesulu, Mehmet Ozgur Pinarbasli
Background: Keratitis-ichthyosis-deafness (KID) syndrome is a syndrome which presents with hearing loss and visual and keratinization disorders. In such patients, hearing aids cannot be effectively used in the rehabilitation of hearing loss because of the frequent blockage of the external ear canal with epithelial debris and due to dry and tense skin of the external ear canal. Moreover, severe or profound hearing loss also limits the benefits gained from the conventional hearing aids...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/29080613/phylogeography-genetic-variability-and-structure-of-acanthamoeba-metapopulations-in-iran-inferred-by-18s-ribosomal-rna-sequences-a-systematic-review-and-meta-analysis
#13
REVIEW
Adel Spotin, Hamid Reza Moslemzadeh, Mahmoud Mahami-Oskouei, Ehsan Ahmadpour, Maryam Niyyati, Seyed Hossein Hejazi, Fatemeh Memari, Jafar Noori
OBJECTIVE: To verify phylogeography and genetic structure of Acanthamoeba populations among the Iranian clinical isolates and natural/artificial environments distributed in various regions of the country. METHODS: We searched electronic databases including Medline, PubMed, Science Direct, Scopus and Google Scholar from 2005 to 2016. To explore the genetic variability of Acanthamoeba sp, 205 sequences were retrieved from keratitis patients, immunosuppressed cases and environmental sources as of various geographies of Iran...
September 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/29072860/clinical-profile-of-herpes-zoster-ophthalmicus-in-a-south-indian-patient-population
#14
Kalpana Babu, Padmamalini Mahendradas, Bhagya Sudheer, Ankush Kawali, Deepika C Parameswarappa, Vibha Pal, Mariamma Philips
PURPOSE: To analyze and compare the clinical profile of herpes zoster ophthalmicus (HZO) patients in a South Indian patient population aged <60 years and ≥60 years and determine the risk factors for recurrence of ocular inflammation. METHODS: Retrospective study of 249 cases between 2006 and 2016 from two tertiary referral eye centres in south india. RESULTS: Out of 249 cases, 189 cases were <60 years (Group 1) and 60 cases were aged ≥60 years (Group2)...
October 26, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29067921/photokeratitis-induced-by-ultraviolet-radiation-in-travelers-a-major-health-problem
#15
REVIEW
M Izadi, N Jonaidi-Jafari, M Pourazizi, M H Alemzadeh-Ansari, M J Hoseinpourfard
Ultraviolet (UV) irradiation is one of the several environmental hazards that may cause inflammatory reactions in ocular tissues, especially the cornea. One of the important factors that affect how much ultraviolet radiation (UVR) humans are exposed to is travel. Hence, traveling is considered to include a more acute UVR effect, and ophthalmologists frequently evaluate and manage the ocular manifestations of UV irradiation, including UV-induced keratitis. The purpose of this paper is to provide an evidence-based analysis of the clinical effect of UVR in ocular tissues...
October 23, 2017: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/29064403/characterization-of-three-ocular-clinical-isolates-of-p-aeruginosa-viability-biofilm-formation-adherence-infectivity-and-effects-of-glycyrrhizin
#16
Xudong Peng, Sandamali A Ekanayaka, Sharon A McClellan, Ronald P Barrett, Kerry Vistisen, Linda D Hazlett
We selectively characterized three isolates from Pseudomonas aeruginosa keratitis patients and how glycyrrhizin (GLY) affected them. Type III toxins were determined using polymerase chain reaction (PCR). Minimum Inhibitory Concentration (MIC) of GLY and assays for its effects on: time kill, bacterial permeability, and biofilm/adhesion were done. In vivo, C57BL/6 (B6) mice were treated topically with GLY after G81007 infection. Clinical score, photography with a slit lamp and RT-PCR were used to assess treatment effects...
October 24, 2017: Pathogens
https://www.readbyqxmd.com/read/29064157/inflammation-and-oxidative-stress-in-corneal-tissue-in-experimental-keratitis-due-to-fusarium-solani-amelioration-following-topical-therapy-with-voriconazole-and-epigallocatechin-gallate
#17
Vasanthakumar Vasantha Ruban, Archana P Teresa, Mahalingam Sundararajan, Pitchairaj Geraldine, Philip Aloysius Thomas
Combined antifungal and antioxidant therapy may help to reduce oxidative stress in fungal keratitis. Experimental Fusarium solani keratitis was induced by application of F. solani conidia to scarified cornea (right eye) of 16 rabbits (another 4 rabbits were negative controls [Group I]). Five days later, F. solani-infected animals began receiving hourly topical saline alone (Group II), voriconazole (10 mg/ml) alone (Group III), epigallocatechingallate (EGCG, 10 mg/ml) alone (Group IV) or voriconazole and EGCG (Group V)...
October 24, 2017: Mycoses
https://www.readbyqxmd.com/read/29055903/significant-correlation-between-meibomian-gland-dysfunction-and-keratitis-in-young-patients-with-demodex-brevis-infestation
#18
Lingyi Liang, Yan Liu, Xiaohu Ding, Hongmin Ke, Chuan Chen, Scheffer C G Tseng
AIMS: To report the clinical characteristics and correlation between meibomian gland dysfunction (MGD) and keratitis in young patients with ocular demodicosis. METHODS: Observational case series of 60 patients younger than 35 years with ocular demodicosis, of which the diagnosis was based on microscopic counting of Demodex folliculorum and D. brevis of epilated lashes. Severity of keratitis and MGD was graded by photography and meibography, respectively, in a masked fashion...
October 21, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29053561/recognizing-and-managing-bullous-descemet-detachment-secondary-to-accidental-hydroseparation-during-phacoemulsification-cataract-surgery-by-relaxing-descemetotomy
#19
Soosan Jacob, Amar Agarwal, Athiya Agarwal, Saijimol Ai
PURPOSE: To report a new technique called relaxing Descemetotomy for treatment of bullous Descemet detachment (BDD) secondary to accidental hydroseparation of Descemet membrane (DM) during stromal hydration in cataract surgery. METHODS: A clear corneal keratome entry was created close to the limbus extending inward to create a relaxing cut (ab externo relaxing Descemetotomy) on taut DM, thus creating an egress route for supra-Descemetic fluid (SDF). This was followed by pneumodescemetopexy to drain SDF internally...
October 17, 2017: Cornea
https://www.readbyqxmd.com/read/29050189/-clinical-features-and-treatments-of-retrocorneal-fungal-infection
#20
J Cheng, H L Zhai, J Y Wang, L X Xie
Objective: To evaluate the clinical features of retrocorneal fungal infection and the therapeutic effects. Methods: This was a retrospective, noncomparative study of nine patients with retrocorneal fungal infection and an intact corneal epithelium treated at Qingdao Eye Hospital. The history, clinical features, diagnostic methods, pathogens and therapeutic effects were analyzed. Results: Five patients had a history of trauma by plant, two had a non-plant injury, and two had unidentified reasons. The duration between the initial onset and the first visit to our hospital was 7...
October 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
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