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Herpes simplex keratitis

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https://www.readbyqxmd.com/read/29345511/clinical-characteristics-of-herpes-simplex-virus-associated-anterior-uveitis
#1
Barbara Wensing, Manabu Mochizuki, Joke H De Boer
PURPOSE: The aim of this study is to describe the clinical characteristics of molecularly proven Herpes simplex virus (HSV) anterior uveitis. METHODS: The literature on HSV anterior uveitis whereby the diagnosis was confirmed by polymerase chain reaction (PCR) and or Goldmann-Witmer coefficient in aqueous humor was reviewed. Three studies from Europe and one from Japan could be included. RESULTS: It was observed that HSV anterior uveitis is mostly an acute unilateral disease mainly occurring in middle-aged people with a predominance in females...
January 18, 2018: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29332157/acanthamoeba-keratitis-in-porto-alegre-southern-brazil-28-cases-and-risk-factors
#2
Denise Leal Dos Santos, Sergio Kwitko, Diane Ruschel Marinho, Bruno Schneider de Araújo, Claudete Inês Locatelli, Marilise Brittes Rott
The increasing use of contact lenses worldwide has led to an increase in cases of Acanthamoeba keratitis, which are often associated with inappropriate cleaning of contact lenses and lens cases. This study aimed to retrospectively review 28 cases of Acanthamoeba keratitis in Porto Alegre (southern Brazil) and identify the risk factors and clinical outcomes of affected patients. Most patients had higher education (66.6%), all were users of contact lenses, mostly women (67.9%). Most patients were soft contact lens wearers (66...
January 14, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29305292/corneal-nerve-regeneration-after-herpes-simplex-keratitis-an-in-vivo-confocal-microscopy-study
#3
Hamid-Reza Moein, Ahmad Kheirkhah, Rodrigo T Muller, Andrea C Cruzat, Deborah Pavan-Langston, Pedram Hamrah
PURPOSE: To evaluate the long-term alterations in corneal nerves in patients with herpes simplex virus (HSV) keratitis using in vivo confocal microscopy (IVCM). DESIGN: Prospective longitudinal, cross sectional. METHODS: This study included 16 patients with history of HSV keratitis and 15 age-matched normal controls. Slit-scanning IVCM was performed in all subjects at baseline and then after a mean follow-up of 37.3 ± 1.7 months in the patient group...
January 2, 2018: Ocular Surface
https://www.readbyqxmd.com/read/29298778/acanthamoeba-keratitis-in-194-patients-risk-factors-for-bad-outcomes-and-severe-inflammatory-complications
#4
Nicole Carnt, Dana Robaei, Darwin C Minassian, John K G Dart
BACKGROUND/AIMS: To determine demographic and clinical features of patients with Acanthamoeba keratitis (AK) that are independent risk factors both for bad outcomes and for severe inflammatory complications (SIC). METHODS: A retrospective audit of medical records of AK cases at Moorfields Eye Hospital from July 2000 to April 2012, including 12 earlier surgical cases. Cases with a bad outcome were defined as those having one or more of the following: corneal perforation, keratoplasty, other surgery (except biopsy), duration of antiamoebic therapy (AAT) ≥10...
January 3, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29279602/new-therapeutic-perceptions-in-a-patient-with-complicated-herpes-simplex-virus-1-keratitis-a-case-report-and-review-of-the-literature
#5
REVIEW
Dimitrios Kalogeropoulos, Aliki Geka, Konstantinos Malamos, Maria Kanari, Chris Kalogeropoulos
BACKGROUND Keratitis caused by herpes simplex virus (HSV) can have detrimental effects on the cornea leading to loss of vision. Modern therapies can contribute to the prevention of anatomical and functional damage. CASE REPORT An 80-year-old male with complicated HSV-1 keratitis of the left eye (confirmed diagnosis after microbiological investigation) presented three months after antiviral treatment with corneal blurring, severe epitheliopathy, thinning of the stroma, and neovascularization. At the time he was referred, the visual acuity of his left eye was very low, as he could only count fingers at a one-foot distance...
December 27, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29260056/corneal-edema-and-keratitis-following-selective-laser-trabeculoplasty
#6
Erica Tan Liu, Loren S Seery, Analisa Arosemena, Tania Lamba, Craig J Chaya
Purpose: To describe three cases of keratitis following Selective Laser Trabeculoplasty (SLT). Observations: Three females with a history of glaucoma presented with corneal edema, keratitis (endothelial, epithelial) and decreased visual acuity shortly after SLT. There was variable resolution of symptoms after starting treatment with oral antiherpetics and topical steroids. Conclusions and importance: With the increase in usage of SLT as a treatment for glaucoma and subsequent reports of keratitis, it is imperative for ophthalmic surgeons to be aware of herpes simplex as a possible risk factor...
June 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29230977/scleral-buckling-using-a-non-contact-wide-angle-viewing-system-with-a-25-gauge-chandelier-endoilluminator
#7
Jaehyuck Jo, Byung Gil Moon, Joo Yong Lee
PURPOSE: To report the outcome of scleral buckling using a non-contact wide-angle viewing system with a 25-gauge chandelier endoilluminator. METHODS: Retrospective analyses of medical records were performed for 17 eyes of 16 patients with primary rhegmatogenous retinal detachment (RRD) without proliferative vitreoretinopathy who had undergone conventional scleral buckling with cryoretinopexy using the combination of a non-contact wide-angle viewing system and chandelier endoillumination...
December 2017: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/29181304/dna-vaccine-expressing-herpes-simplex-virus-1-glycoprotein-c-and-d-protects-mice-against-herpes-simplex-keratitis
#8
Li-Li Dong, Ru Tang, Yu-Jia Zhai, Tejsu Malla, Kai Hu
AIM: To investigate whether DNA vaccine encoding herpes simplex virus 1 (HSV-1) glycoprotein C (gC) and glycoprotein D (gD) will achieve better protective effect against herpes simplex keratitis (HSK) than DNA vaccine encoding gD alone. METHODS: DNA vaccine expressing gD or gC combined gD (gD.gC) were constructed and carried by chitosan nanoparticle. The expression of fusion protein gD and gC were detected in DNA/nanoparticle transfected 293T cells by Western-blot...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29155164/a-new-promising-candidate-to-overcome-drug-resistant-herpes-simplex-virus-infections
#9
Elisabeth Zinser, Adalbert Krawczyk, Petra Mühl-Zürbes, Ulrich Aufderhorst, Lena Stich, Mirko Zaja, Stefan Strobl, Alexander Steinkasserer, Christiane Silke Heilingloh
Infections with Herpes simplex viruses (HSV) belong to the most common human diseases worldwide, resulting in symptoms ranging from painful, but commonly self-limiting lesions of the orofacial or genital tract to severe infections of the eye or life-threatening generalized infections. Frequent HSV-reactivations at the eye may lead to the development of herpetic stromal keratitis, which is one of the major causes of infectious blindness in developed countries. The vast majority of life-threatening generalized infections occur in immunocompromised individuals, such as transplant recipients or patients suffering from advanced human immunodeficiency virus (HIV) infection with concurrent HSV-reactivation...
November 15, 2017: Antiviral Research
https://www.readbyqxmd.com/read/29133630/non-contact-lens-related-acanthamoeba-keratitis
#10
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
#11
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/29050189/-clinical-features-and-treatments-of-retrocorneal-fungal-infection
#12
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
https://www.readbyqxmd.com/read/28954259/roles-of-trim32-in-corneal-epithelial-cells-after-infection-with-herpes-simplex-virus
#13
Hao Cui, Ying Liu, Yifei Huang
BACKGROUND: Epithelial cells play important roles as a critical barrier in protecting the cornea from microbial pathogens infection. METHODS: In this study, we were aiming to investigate the role of E3 ubiquitin ligase tripartite motif protein 32 (TRIM32) in corneal epithelial cells in response to Herpes Simplex Virus type 1 (HSV-1) infection and to elucidate the underlying mechanisms. RESULTS: We found the expression of TRIM32 was increased after infected with HSV-1 both in murine corneas and cultured human epithelial (HCE) cells...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28943388/corneal-higher-order-aberrations-and-visual-improvement-following-corneal-transplantation-in-treating-herpes-simplex-keratitis
#14
Eisuke Shimizu, Takefumi Yamaguchi, Daisuke Tomida, Yukari Yagi-Yaguchi, Yoshiyuki Satake, Kazuo Tsubota, Jun Shimazaki
PURPOSE: To examine corneal higher-order aberrations (HOAs) and visual improvement following corneal transplantation in treating corneal scar caused by herpes simplex keratitis (HSK). DESIGN: Retrospective consecutive case series. METHODS: This study included a total of 52 eyes: 18 normal subjects, and 34 eyes of consecutive patients with corneal scar due to HSK who underwent penetrating keratoplasty (PKP, 17 eyes) or deep anterior lamellar keratoplasty (DALK, 17 eyes)...
September 21, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28942073/update-on-the-management-of-infectious-keratitis
#15
REVIEW
Ariana Austin, Tom Lietman, Jennifer Rose-Nussbaumer
Infectious keratitis is a major global cause of visual impairment and blindness, often affecting marginalized populations. Proper diagnosis of the causative organism is critical, and although culture remains the prevailing diagnostic tool, newer techniques such as in vivo confocal microscopy are helpful for diagnosing fungus and Acanthamoeba. Next-generation sequencing holds the potential for early and accurate diagnosis even for organisms that are difficult to culture by conventional methods. Topical antibiotics remain the best treatment for bacterial keratitis, and a recent review found all commonly prescribed topical antibiotics to be equally effective...
November 2017: Ophthalmology
https://www.readbyqxmd.com/read/28939476/recurrent-herpetic-keratitis-despite-antiviral-prophylaxis-a-virological-and-pharmacological-study
#16
Antoine Rousseau, David Boutolleau, Karine Titier, Tristan Bourcier, Christophe Chiquet, Michel Weber, Joseph Colin, Julie Gueudry, Mohamed M'Garrech, Bahram Bodaghi, Sonia Burrel, Henri Agut, Claire Deback, Marc Labetoulle
Recurrent herpes simplex keratitis (HSK) is a leading infectious cause of blindness in industrialized countries. Antiviral prophylaxis (AVP) may fail to prevent recurrence of HSK due to viral resistance, inadequate dosing, or poor patient compliance. In this prospective multicenter study, we enrolled immunocompetent patients with recurrent HSK despite AVP. Ocular samples were tested by PCR for herpes simplex virus 1 (HSV-1). HSV-1 drug resistance was assessed with a genotypic assay based on UL23 and UL30 gene sequencing...
October 2017: Antiviral Research
https://www.readbyqxmd.com/read/28903153/colony-stimulating-factor-1-receptor-expressing-cells-infiltrating-the-cornea-control-corneal-nerve-degeneration-in-response-to-hsv-1-infection
#17
Ana J Chucair-Elliott, Hem R Gurung, Meghan M Carr, Daniel J J Carr
Purpose: Herpes simplex virus type-1 (HSV-1) is a leading cause of neurotrophic keratitis, characterized by decreased or absent corneal sensation due to damage to the sensory corneal innervation. We previously reported the elicited immune response to infection contributes to the mechanism of corneal nerve regression/damage during acute HSV-1 infection. Our aim is to further establish the involvement of infiltrated macrophages in the mechanism of nerve loss upon infection. Methods: Macrophage Fas-Induced Apoptosis (MAFIA) transgenic C57BL/6 mice were systemically treated with AP20187 dimerizer or vehicle (VEH), and their corneas, lymph nodes, and blood were assessed for CD45+CD11b+GFP+ cell depletion by flow cytometry (FC)...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28892949/corneal-collagen-cross-linking-for-treatment-of-bacterial-and-herpetic-keratitis
#18
Mohammad Reza Khalili, Hamid Reza Jahadi, Mashaallah Karimi, Masoud Yasemi
INTRODUCTION: Optimal management of infective keratitis is a formidable challenge and subject of ongoing studies. Recently, Collagen Cross-Linking (CXL) of the cornea has been considered to be a new effective therapeutic approach for resistant infectious keratitis. AIM: Aim of the study was to evaluate the effectiveness of CXL with Ultraviolet-A (UV-A) and riboflavin for treatment of the refractory bacterial and Herpes Simplex Virus (HSV) keratitis. MATERIALS AND METHODS: In this prospective interventional study, eight patients with diagnosis of infectious keratitis who were referred to Khalili Hospital eye emergency room, between 2014 and 2015 were included in the study...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28852187/in-vivo-confocal-microscopy-of-posner-schlossman-syndrome-comparison-with-herpes-simplex-keratitis-hla-b27-anterior-uveitis-and-acute-attack-of-primary-angle-closure
#19
Ying Hong, Miao Wang, Lingling Wu
To investigate in vivo confocal microscopy (IVCM) findings in patients with Posner-Schlossman Syndrome (PSS), we compared the IVCM findings from the eyes of patients with: PSS (44 eyes); herpes simplex keratitis (HSK) (45 eyes); HLA-B27 anterior uveitis (B27AU) (45 eyes); and with acute attack of primary angle closure (aPAC) (43 eyes). The central Langerhans cells (LCs) grade at the level of corneal basal epithelial cells of the PSS group (2.33 ± 0.55) was similar to that of the HSK group (2.63 ± 0...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28827297/herpes-simplex-transmission-to-chest-and-face-through-autoinoculation-in-an-infant
#20
Jeroen J van Vonderen, Kim Stol, Emmeline P Buddingh, Danielle Cm van der Kaay
A 4-month-old female infant presented with a vesicular lesion on her left hand present since 1 day. A few days prior to presentation, she had a similar lesion on the lower lip. Two days after presentation, she returned with new lesions on her thorax and upper eyelid. PCR of the vesicle was positive for herpes simplex virus type 1. The transmission to her chest and face probably resulted from autoinoculation, caused by rubbing of the hand on other parts of the body. Transmission of herpes simplex through skin-to-skin contact is a common route of infection in people engaging in contact sports...
August 21, 2017: BMJ Case Reports
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