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https://www.readbyqxmd.com/read/29456673/full-thickness-conjunctival-flap-covering-surgery-combined-with-amniotic-membrane-transplantation-for-severe-fungal-keratitis
#1
Jing Zhong, Bowen Wang, Saiqun Li, Yuqing Deng, Haixiang Huang, Ling Chen, Jin Yuan
Fungal keratitis is a severe and common ocular infectious disease. The present study evaluated the efficiency of full-thickness conjunctival flap covering surgery with amniotic membrane transplantation (FCCS + AMT) as a transitional surgery for severe fungal keratitis. A total of 17 patients with severe fungal keratitis without corneal perforation underwent FCCS + AMT between January 2010 and December 2015. The pathogenic factors, preoperative diagnosis and postoperative prognosis of FCCS + AMT at 3 months were evaluated...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29453698/corneal-collagen-cross-linking-for-the-management-of-mycotic-keratitis
#2
Elif Erdem, Ibrahim Inan Harbiyeli, Hazal Boral, Macit Ilkit, Meltem Yagmur, Reha Ersoz
PURPOSE: To evaluate the efficiency of corneal collagen cross-linking (CXL) in addition to topical voriconazole in cases with mycotic keratitis. DESIGN: Retrospective case series in a tertiary university hospital. PARTICIPANTS: CXL was performed on 13 patients with mycotic keratitis who presented poor or no response to topical voriconazole treatment. METHODS: The clinical features, symptoms, treatment results and complications were recorded retrospectively...
February 16, 2018: Mycopathologia
https://www.readbyqxmd.com/read/29451275/cenegermin-for-the-treatment-of-neurotrophic-keratitis
#3
M Sacchetti, A Bruscolini, A Lambiase
The trigeminal nerve provides corneal sensitivity and trophic supply to corneal tissues. The impairment of corneal innervation leads to development of neurotrophic keratitis (NK). NK is a rare, degenerative corneal disease characterized by corneal hypo/anesthesia and development of nonhealing corneal epithelial defects and ulcers. NK is a challenging condition with high medical need due to the lack of approved treatments that can restore corneal integrity. Current treatment of NK aims at stimulating corneal healing and preventing disease progression...
November 2017: Drugs of Today
https://www.readbyqxmd.com/read/29440872/topical-ocular-0-1-cyclosporine-a-cationic-emulsion-in-dry-eye-disease-patients-with-severe-keratitis-experience-through-the-french-early-access-program
#4
Pierre-Jean Pisella, Marc Labetoulle, Serge Doan, Beatrice Cochener-Lamard, Mourad Amrane, Dahlia Ismail, Catherine Creuzot-Garcher, Christophe Baudouin
Purpose: The objective of this study was to report the evaluation of efficacy and safety of cyclosporine A cationic emulsion (CsA CE) 0.1% for the treatment of severe keratitis in adults with dry eye disease (DED) in a French early-access program. Methods: Patients with DED and severe keratitis (corneal fluorescein staining [CFS] score of 3-5 on the Oxford scale and/or the presence of corneal lesions [filaments or ulcers]) were enrolled in a compassionate use program (Authorization for Temporary Use [ATU]) for once-daily CsA CE, which was approved by French health authorities prior to its registration...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29438654/the-significance-of-repeat-cultures-in-the-treatment-of-severe-fungal-keratitis
#5
Kathryn J Ray, N Venkatesh Prajna, Prajna Lalitha, Revathi Rajaraman, Tiruvengada Krishnan, Sushila Patel, Manoranjan Das, Ranjeet Shah, Kavita Dhakhwa, Stephen D McLeod, Michael E Zegans, Nisha R Acharya, Thomas M Lietman, Jennifer Rose-Nussbaumer
PURPOSE: To identify fungal keratitis patients who are at risk of a poor outcome and may benefit from closer follow-up or more aggressive treatment. DESIGN: Secondary analysis of randomized clinical trial data. SUBJECTS: Patients presenting with a smear-positive filamentous fungal ulcer, visual acuity of 20/400 or worse, and who subsequently had a 6-day fungal culture performed at the Aravind Eye Care system (India), Lumbini Eye Hospital (Nepal), or Bharatpur Eye Hospital (Nepal)...
February 10, 2018: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29429293/-deep-anterior-lamellar-keratoplasty-combined-with-antiviral-therapy-in-the-treatment-of-severe-herpes-necrotizing-stromal-keratitis
#6
S X Li, J T Wang, Y Jiang, X Wang, W Y Shi
Objective: To evaluate the efficacy of modified deep lamellar keratoplasty (DLKP) combined with antiviral medications for severe herpes necrotizing stromal keratitis. Methods: Retrospective case series study. Modified DLKP was performed in combination with antiviral medications in fifty patients (50 eyes) with severe necrotizing stromal keratitis, which was unresponsive to systemic and topical antiviral treatment for 1 week, at Shandong Eye Hospital. Before surgery, the operated eyes were examined using slit-lamp microscopy...
February 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29423280/biomaterials-enabled-cornea-regeneration-in-patients-at-high-risk-for-rejection-of-donor-tissue-transplantation
#7
M Mirazul Islam, Oleksiy Buznyk, Jagadesh C Reddy, Nataliya Pasyechnikova, Emilio I Alarcon, Sally Hayes, Philip Lewis, Per Fagerholm, Chaoliang He, Stanislav Iakymenko, Wenguang Liu, Keith M Meek, Virender S Sangwan, May Griffith
The severe worldwide shortage of donor organs, and severe pathologies placing patients at high risk for rejecting conventional cornea transplantation, have left many corneal blind patients untreated. Following successful pre-clinical evaluation in mini-pigs, we tested a biomaterials-enabled pro-regeneration strategy to restore corneal integrity in an open-label observational study of six patients. Cell-free corneal implants comprising recombinant human collagen and phosphorylcholine were grafted by anterior lamellar keratoplasty into corneas of unilaterally blind patients diagnosed at high-risk for rejecting donor allografts...
2018: NPJ Regenerative Medicine
https://www.readbyqxmd.com/read/29409802/corneal-abrasion-and-microbial-contamination-in-horses-following-general-anaesthesia-for-non-ocular-surgery
#8
Stefania Scarabelli, Dorina Timofte, Fernando Malalana, David Bardell
OBJECTIVE: To evaluate the incidence of corneal abrasions/ulceration and microbial contamination in horses undergoing general anaesthesia. STUDY DESIGN: Prospective, observational, clinical study. ANIMALS: A total of 40 client-owned healthy horses scheduled for elective non-ophthalmic procedures. METHODS: Conjunctival sac swabs were taken, fluorescein dye applied and digital images recorded from both eyes of the horses after preanaesthetic medication and 24 hours after recovery from general anaesthesia...
January 9, 2018: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29408828/clinical-features-antibiotic-susceptibility-profile-and-outcomes-of-infectious-keratitis-caused-by-stenotrophomonas-maltophilia
#9
Sotiria Palioura, Allister Gibbons, Darlene Miller, Terrence P OʼBrien, Eduardo C Alfonso, Oriel Spierer
PURPOSE: Stenotrophomonas maltophilia, an uncommon cause of infectious keratitis, is difficult to treat because of its resistance to multiple antibiotics. The purpose of this study is to describe the clinical features, antibiotic susceptibility profile, and outcomes of S. maltophilia keratitis. METHODS: A retrospective review of records from 1987 to 2016 identified 26 eyes of 26 patients who were treated at the Bascom Palmer Eye Institute for an S. maltophilia corneal ulcer...
March 2018: Cornea
https://www.readbyqxmd.com/read/29398639/necessity-to-identify-the-causative-agent-for-appropriate-treatment-in-fungal-corneal-ulcer-an-in-vitro-study
#10
M K Gupta, A Chandra, P Prakash, R Tilak
OBJECTIVE: Fungal corneal ulcers are a major cause of preventable blindness. Different antifungal agents as natamycin, nystatin, fluconazole, itraconazole, voriconazole are used to treat these ulcers. Among these, natamycin is most widely used as a treatment modality. In natamycin non-responding cases, other drugs especially voriconazole is used. This study was done to assess the use of antifungal drugs in the treatment of fungal corneal ulcer by determining the minimum inhibitory concentration against common fungal pathogens...
February 1, 2018: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/29390295/management-of-a-neurotrophic-deep-corneal-ulcer-with-amniotic-membrane-transplantation-in-a-patient-with-functional-monocular-vision-a-case-report
#11
Tobias Röck, Karl Ulrich Bartz-Schmidt, Daniel Röck
RATIONALE: Amniotic membrane transplantation (AMT) has been performed therapeutically in humans for over 100 years. In recent 2 decades AMTs have been used increasingly and successfully to treat various types of ophthalmic indications. PATIENT CONCERNS: An 83-year-old man was referred to our eye hospital with a refractory neurotrophic deep corneal ulcer of the left eye. DIAGNOSES: The best-corrected visual acuity of the left eye was 0.5 (0...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29380790/unusual-ulcerative-keratitis-caused-by-prototheca-wickerhamii-in-a-diabetic-patient
#12
Niveditha Narayanan, D Vaidehi, L Dhanurekha, K Lily Therese, Rama Rajagopal, Radhika Natarajan, Meena Lakshmipathy
The purpose of the study was to report a case of ulcerative keratitis caused by an unusual algae Prototheca wickerhamii in a diabetic patient. This study design was a case report. A 46-year-old male, who was a known diabetic for 3 years, had an injury to the left cornea with the sparks of fire from wielding at work that developed into an ulcerative keratitis over a period of next 3 months as the patient was not on any medication. Corneal scraping culture report and Vitek 2 system investigation result confirmed it to be a P...
February 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29373869/-tarsal-kink-pathognomonic-presentation-and-therapy-of-a-rare-congenital-upper-eyelid-malformation
#13
Ulrich Schaudig, Matthias Keserü
BACKGROUND: Presentation of a congenital abnormality that is rare, but follows a distinct course and can be diagnosed and cured promptly if the pathognomonic presentation is recognized. A congenital tarsal kink leads to a malposition of the upper eyelid margin that must not be missed, as it will lead to ulcerative keratitis if it is not treated. CASE PRESENTATION: An otherwise healthy newborn was presented after delivery with forceps with marked unilateral purulent secretion and blepharospasm...
January 2018: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29371064/metagenomic-analysis-for-detecting-fusarium-solani-in-a-case-of-fungal-keratitis
#14
Chika Shigeyasu, Masakazu Yamada, Kotaro Aoki, Yoshikazu Ishii, Kazuhiro Tateda, Takashi Yaguchi, Yukinobu Okajima, Yuichi Hori
PURPOSE: To report a difficult-to-identify case of keratitis due to Fusarium solani, diagnosed with the help of exhaustive gene analysis. CASE: A 47-year-old woman attended our hospital with a refractory corneal ulcer associated with contact lens wear in her left eye that had appeared two weeks earlier. On her initial visit, slit lamp examination revealed a small double-ringed irregular hyphate ulcer in the center of the cornea, which had no epithelial defect, suggesting fungal infection...
January 20, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29369229/stenotrophomonas-maltophilia-a-case-series-of-a-rare-keratitis-affecting-patients-with-bandage-contact-lens
#15
Henry D J Hogg, We Fong Siah, Arthur Okonkwo, Manjusha Narayanan, Francisco C Figueiredo
OBJECTIVES: Stenotrophomonas maltophilia is an opportunistic pathogen known to form biofilms on contact lens and case surfaces that may result in permanent visual loss in cases of microbial keratitis. Because of its multiple drug resistance and extremely low incidence, there is little consensus on treatment. We investigated the predisposing factors, management, and visual outcomes in a small case series of patients to better inform the management of this rarely reported keratitis. METHODS: Retrospective analysis of medical records was performed at a single tertiary referral center between 2011 and 2017...
January 22, 2018: Eye & Contact Lens
https://www.readbyqxmd.com/read/29360230/capnocytophaga-keratitis-in-dogs-clinical-histopathologic-and-microbiologic-features-of-seven-cases
#16
Eric C Ledbetter, Rebecca J Franklin-Guild, Michele L Edelmann
OBJECTIVE: To describe the clinical, microbiologic, and histopathologic features of Capnocytophaga keratitis in dogs. ANIMALS STUDIED: Seven dogs with naturally acquired Capnocytophaga keratitis. PROCEDURES: Medical records of dogs with a clinical diagnosis of keratitis and corneal cultures positive for Capnocytophaga spp. were reviewed. Dog signalment, medical history, clinical findings, and diagnostic assay results were recorded. RESULTS: Breeds included Boston terrier (n = 3 dogs), Rat terrier (n = 2), and single cases of mixed breed and Pug...
January 23, 2018: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29359350/osteopontin-contributes-to-effective-neutrophils-recruitment-il-1%C3%AE-production-and-apoptosis-in-aspergillus-fumigatus-keratitis
#17
Guiqiu Zhao, Ming Hu, Cui Li, Jieun Lee, Kelan Yuan, Guoqiang Zhu, Chengye Che
Fungal keratitis is a major cause of corneal ulcers, resulting in significant visual impairment and blindness. A phosphorylated glycoprotein secreted by immunocompetent cells, osteopontin (OPN) mediates cluster formation of the host fungal receptors and enhances the phagocytosis and clearance of pathogenic fungi. However, whether OPN production and function occurs in fungal keratitis is unknown. OPN expression in Aspergillus fumigatus keratitis patient corneas was assessed by quantitative polymerase chain reaction (qRT-PCR) and immunofluorescence...
January 23, 2018: Immunology and Cell Biology
https://www.readbyqxmd.com/read/29346172/apremilast-use-in-a-case-of-cicatricial-ectropion-secondary-to-severe-lamellar-ichthyosis
#18
Jean-Paul J Abboud, Alexander Whittington, Masih Ahmed, Jesse T Himebaugh, Lee A Wiley, Ahmad Haffar, John Nguyen
Ichthyosis is a cutaneous disorder characterized by excessive amounts of dry thickened skin surface scales. Ocular manifestations of ichthyosis include cicatricial ectropion, which may cause exposure keratoconjunctivitis and rarely corneal perforation. Topical emollients, anti-inflammatory ointments, and systemic retinoids have been used to control the disease process, while surgical correction with donor graft has been reserved for severe cases involving corneal exposure. The authors report a case of a Caucasian male with lamellar ichthyosis with severe bilateral upper and lower eyelid cicatricial ectropion and corneal ulceration requiring surgical correction...
January 17, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29341837/ocular-permeation-of-topical-tazocin-and-its-effectiveness-in-the-treatment-of-pseudomonas-aeruginosa-induced-keratitis-in-rabbits
#19
Sujaya Singh, Renu Agarwal, Zulhilmi Abdul Razak, Robin Ngu, Lwin L Nyein, Sushil Vasudevan, Marina Kapitonova, Azida Juana Kadir, Subrayan Visvaraja
PURPOSE: Pseudomonas aeruginosa is the most common causative organism for contact lens-associated corneal ulcer and is commonly treated with fluoroquinolones. With the emergence of resistant strains, it is important to investigate alternative therapies. Despite well-established efficacy of tazocin against systemic Pseudomonas infections, its topical use for the treatment of Pseudomonas keratitis has not been described, hence this study was aimed to find the ocular permeation of Tazocin and its efficacy in treating keratitis in rabbit eyes...
January 17, 2018: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29340650/colocalization-of-galectin-3-with-cd147-is-associated-with-increased-gelatinolytic-activity-in-ulcerating-human-corneas
#20
Andrea Cruzat, Miguel Gonzalez-Andrades, Jérôme Mauris, Dina B AbuSamra, Preethi Chidambaram, Kenneth R Kenyon, James Chodosh, Claes H Dohlman, Pablo Argüeso
Purpose: Galectin-3 is a carbohydrate-binding protein known to promote expression of matrix metalloproteinases, a hallmark of ulceration, through interaction with the extracellular matrix metalloproteinase inducer CD147. The aim of this study was to investigate the distribution of galectin-3 in corneas of patients with ulcerative keratitis and to determine its relationship to CD147 and the presence of gelatinolytic activity. Methods: This was an observational case series involving donor tissue from 13 patients with active corneal ulceration and 6 control corneas...
January 1, 2018: Investigative Ophthalmology & Visual Science
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