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Herpes keratitis

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https://www.readbyqxmd.com/read/28070732/the-clinical-and-laboratory-spectrum-of-dedicator-of-cytokinesis-8-immunodeficiency-syndrome-in-patients-with-a-unique-mutation
#1
Arnon Broides, Amarilla B Mandola, Jacov Levy, Baruch Yerushalmi, Vered Pinsk, Michal Eldan, George Shubinsky, Nurit Hadad, Rachel Levy, Amit Nahum, Miriam Ben-Harosh, Atar Lev, Amos Simon, Raz Somech
Mutations in the dedicator of cytokinesis 8 (DOCK8) gene cause a combined immunodeficiency usually diagnosed as autosomal recessive hyper IgE syndrome. We sought to reveal the varying manifestations in patients with a unique mutation in DOCK8 gene by a retrospective medical record review. Ten patients from five consanguineous families and three tribes were included. Seven patients were homozygous for the c.C5134A, p.S1711X mutation, and the remaining three patients were their siblings manifesting hyper IgE syndrome features without a genetic diagnosis...
January 10, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28062697/subclinical-herpes-simplex-virus-type-1-infections-provide-site-specific-resistance-to-an-unrelated-pathogen
#2
Alexander M Rowe, Hongming Yun, Benjamin R Treat, Paul R Kinchington, Robert L Hendricks
HSV-1 infections of the cornea range in severity from minor transient discomfort to the blinding disease herpes stromal keratitis, yet most patients experience a single episode of epithelial keratitis followed by re-establishment of a clear cornea. We asked whether a single transient episode of HSV-1 epithelial keratitis causes long-term changes in the corneal microenvironment that influence immune responses to subsequent corneal infection or trauma. We showed that C57BL/6 mouse corneas infected with HSV-1 KOS, which induces transient herpes epithelial keratitis without herpes stromal keratitis sequelae, possessed a significant leukocytic infiltrate composed primarily of CD4(+) T cells and macrophages along with elevated chemokines and cytokines that persisted without loss of corneal clarity (subclinical inflammation)...
January 6, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28060081/herpes-simplex-virus-keratitis-and-resistance-to-acyclovir
#3
Asim V Farooq
No abstract text is available yet for this article.
February 2017: Cornea
https://www.readbyqxmd.com/read/28055100/exposure-stress-induces-reversible-corneal-graft-opacity-in-recipients-with-herpes-simplex-virus-1-infections
#4
Alexander M Rowe, Hongmin Yun, Robert L Hendricks
Purpose: Most of the inflammation in murine herpes simplex virus type 1 (HSV-1)-induced stromal keratitis (HSK) is due to exposure stress resulting from loss of corneal nerves and blink reflex. Corneal grafts often fail when placed on corneal beds with a history of HSK. We asked if corneal exposure contributes to the severe pathology of corneal grafts on HSV-1-infected corneal beds. Methods: Herpes simplex virus type 1-infected corneas were tested for blink reflex...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27941388/herpes-simplex-virus-keratitis-and-resistance-to-acyclovir
#5
Asim V Farooq
No abstract text is available yet for this article.
December 8, 2016: Cornea
https://www.readbyqxmd.com/read/27935235/bilateral-tear-film-alterations-in-patients-with-unilateral-quiescent-herpes-simplex-keratitis
#6
Xiao Ma, Yan Lu
PURPOSE: To evaluate bilateral tear function and corneal sensitivity in patients with unilateral quiescent herpes simplex keratitis (HSK) and determine the correlation between corneal sensitivity and tear secretion in both eyes. METHODS: Thirty-five patients diagnosed with unilateral quiescent HSK and 35 heathy controls were included in this study. Bilateral tear osmolarity, Schirmer's test, the tear break-up time (TBUT) and corneal sensitivity were measured in all participants...
December 9, 2016: Acta Ophthalmologica
https://www.readbyqxmd.com/read/27911430/-clinical-presentations-of-herpes-zoster-ophthalmicus-diagnosis-and-therapy
#7
G M Chernakova, E A Kleshcheva, T B Semenova
: Approximately a quarter of the world's population at some point in life is at risk of developing shingles (Herpes Zoster). In 10-20% of cases the first branch of the trigeminal nerve gets involved (Herpes Zoster Ophthalmicus, HZO). Ophthalmic complications of HZO are able to cause a significant reduction in visual function. AIM: To study and summarize clinical features of HZO (including the rate of complications and their nature) and to determine the relationship between clinical and laboratory data from these patients...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27902849/oral-antivirals-for-preventing-recurrent-herpes-simplex-keratitis-in-people-with-corneal-grafts
#8
REVIEW
Uday K Bhatt, M N Abdul Karim, Jeremy I Prydal, Senthil V Maharajan, Usama Fares
BACKGROUND: Ocular herpes is a viral infection of the eye caused by the herpes simplex virus (HSV), a double-stranded DNA virus. Corneal scarring caused by herpes simplex keratitis (HSK) is the leading infectious cause of penetrating corneal graft in high-income countries. Acyclovir is an antiviral drug known to have a protective effect against recurrences in herpetic eye disease. While there are some studies which have evaluated the effects of intervention with oral antiviral in preventing such recurrences in people with corneal grafts, a systematic review of all comparative clinical trials has not been previously undertaken...
November 30, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27867111/anti-inflammatory-activity-of-punica-granatum-l-pomegranate-rind-extracts-applied-topically-to-ex-vivo-skin
#9
David M J Houston, Joachim Bugert, Stephen P Denyer, Charles M Heard
Coadministered pomegranate rind extract (PRE) and zinc (II) produces a potent virucidal activity against Herpes simplex virus (HSV); however, HSV infections are also associated with localised inflammation and pain. Here, the objective was to determine the anti-inflammatory activity and relative depth penetration of PRE, total pomegranate tannins (TPT) and zinc (II) in skin, ex vivo. PRE, TPT and ZnSO4 were dosed onto freshly excised ex vivo porcine skin mounted in Franz diffusion cells and analysed for COX-2, as a marker for modulation of the arachidonic acid inflammation pathway, by Western blotting and immunohistochemistry...
November 17, 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27863844/persistent-impairment-of-quality-of-life-in-patients-with-herpes-simplex-keratitis
#10
Clotilde Reynaud, Antoine Rousseau, Godefroy Kaswin, Mohamed M'garrech, Emmanuel Barreau, Marc Labetoulle
PURPOSE: To evaluate the quality of life (QoL) in patients with quiescent herpes simplex keratitis compared with control patients without ocular herpes. DESIGN: Prospective, case-control study. PARTICIPANTS: Thirty-three patients with a unilateral and relapsing herpes simplex keratitis (HSK group) that was quiescent during evaluation (no acute episode in the past 3 months) and 66 patients with no history of HSK (control group). Both groups were age and gender matched...
November 15, 2016: Ophthalmology
https://www.readbyqxmd.com/read/27849421/management-of-neonatal-herpes-simplex-infection-a-rare-case-of-blepharoconjunctivitis-and-concurrent-epithelial-and-stromal-keratitis
#11
Rita J C Matos, Joana M S Pires, Dionísio Cortesão
No abstract text is available yet for this article.
November 16, 2016: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/27832414/herpetiform-keratitis-and-palmoplantar-hyperkeratosis-warning-signs-for-richner-hanhart-syndrome
#12
Diogo C Soares, Mariana N Stroparo, Yu C Lian, Cristina Y Takakura, Sabrina Wolf, Regina Betz, Chong A Kim
Richner-Hanhart syndrome (RHS, tyrosinemia type II) is a rare, autosomal recessive inborn error of tyrosine metabolism caused by tyrosine aminotransferase deficiency. It is characterized by photophobia due to keratitis, painful palmoplantar hyperkeratosis, variable mental retardation, and elevated serum tyrosine levels. Patients are often misdiagnosed with herpes simplex keratitis. We report on a a boy from Brazil who presented with bilateral keratitis secondary to RHS, which had earlier been misdiagnosed as herpes simplex keratitis...
November 10, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27830086/active-pedicle-epithelial-flap-transposition-combined-with-amniotic-membrane-transplantation-for-treatment-of-nonhealing-corneal-ulcers
#13
Ting Zhang, Yuexin Wang, Yanni Jia, Dongle Liu, Suxia Li, Weiyun Shi, Hua Gao
Introduction. The objective was to evaluate the efficacy of active pedicle epithelial flap transposition combined with amniotic membrane transplantation (AMT) in treating nonhealing corneal ulcers. Material and Methods. Eleven patients (11 eyes) with nonhealing corneal ulcer who underwent the combined surgery were included. Postoperatively, ulcer healing time was detected by corneal fluorescein staining. Visual acuity, intraocular pressure, surgical complications, and recurrence were recorded. Corneal status was inspected by the laser scanning confocal microscopy and anterior segment optical coherence tomography (AS-OCT)...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27798158/loss-of-neurokinin-1-receptor-alters-ocular-surface-homeostasis-and-promotes-an-early-development-of-herpes-stromal-keratitis
#14
Subhash Gaddipati, Pushpa Rao, Andrew David Jerome, Bala Bharathi Burugula, Norma P Gerard, Susmit Suvas
Substance P neuropeptide and its receptor, neurokinin-1 receptor (NK1R), are reported to present on the ocular surface. In this study, mice lacking functional NK1R exhibited an excessive desquamation of apical corneal epithelial cells in association with an increased epithelial cell proliferation and increased epithelial cell density, but decreased epithelial cell size. The lack of NK1R also resulted in decreased density of corneal nerves, corneal epithelial dendritic cells (DCs), and a reduced volume of basal tears...
November 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27746299/long-term-outcomes-of-pediatric-penetrating-keratoplasty-for-herpes-simplex-virus-keratitis
#15
Juan Carlos Serna-Ojeda, Denise Loya-Garcia, Alejandro Navas, Alejandro Lichtinger, Arturo Ramirez-Miranda, Enrique O Graue-Hernandez
PURPOSE: To analyze the characteristics and long-term outcomes of patients that underwent pediatric penetrating keratoplasty (PPK) for herpes simplex virus (HSV) keratitis. DESIGN: Retrospective, interventional, consecutive case series. METHODS: Observational report of outcomes and findings for 9 patients with history of HSV keratitis that underwent PPK and were followed in a single institution. Difference between the median preoperative and final best-corrected visual acuity (BCVA) was assessed and the outcomes are reported...
January 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27741018/prevalence-of-ocular-manifestations-and-visual-outcomes-in-patients-with-herpes-zoster-ophthalmicus
#16
Simon K H Szeto, Tommy C Y Chan, Raymond L M Wong, Alex L K Ng, Emmy Y M Li, Vishal Jhanji
PURPOSE: To investigate the prevalence of ocular manifestations and visual outcomes in patients with herpes zoster ophthalmicus (HZO). METHODS: Consecutive cases diagnosed with HZO who attended 2 hospitals between July 1, 2011, and June 30, 2015, were retrospectively reviewed. Patient demographics, clinical presentations, and management were reviewed. The logistic regression model was used to estimate the odds ratio of visual loss with ocular manifestations. RESULTS: A total of 259 patients were included...
October 12, 2016: Cornea
https://www.readbyqxmd.com/read/27688274/clinical-spectrum-diagnostic-criteria-and-polymerase-chain-reaction-of-aqueous-humor-in-viral-and-toxoplasma-detection-in-fuchs-uveitis-syndrome
#17
Swapnali Sabhapandit, Somasheila I Murthy, Praveen K Balne, Virender Singh Sangwan, V Sumanth, Ashok K Reddy
AIM: The aim of this study is to describe the clinical features and diagnostic criteria of Fuchs' uveitis (FU) and to determine whether it has an association with virus and toxoplasma in the aqueous humor during cataract surgery. SETTING AND DESIGN: This is a prospective, case-control study. MATERIALS AND METHODS: Patients with FU (n = 25), anterior uveitis (n = 15), and no uveitis (normal) (n = 50) were included based on predefined inclusion and exclusion criteria for all three groups...
August 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27684823/clinical-evaluation-of-deep-anterior-lamellar-keratoplasty-using-glycerol-cryopreserved-corneal-tissues-for-refractory-herpetic-stromal-keratitis-an-observational-study
#18
Xin Liu, Qi Zhou, Xinyu Huang, Zhenxing Liu, Yanlong Bi
The study aimed to evaluate the therapeutic effects of deep anterior lamellar keratoplasty (DALK) using glycerol-cryopreserved corneal tissues (GCCTs) in patients with refractive herpes simplex keratitis (HSK). This article was a retrospective, noncomparative, and interventional case series. Patients with HSK underwent DALK using GCCTs at Shanghai Tongji Hospital from 2012 to 2015. The best spectacle corrected visual acuity, recurrent inflammation, graft status, postoperative central graft thickness, and pre/postoperative complications were detected...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27681121/immune-and-nonimmune-compartment-specific-interferon-responses-are-critical-determinants-of-herpes-simplex-virus-induced-generalized-infections-and-acute-liver-failure
#19
Zachary M Parker, Tracy Jo Pasieka, George A Parker, David A Leib
: The interferon (IFN) response to viral pathogens is critical for host survival. In humans and mouse models, defects in IFN responses can result in lethal herpes simplex virus 1 (HSV-1) infections, usually from encephalitis. Although rare, HSV-1 can also cause fulminant hepatic failure, which is often fatal. Although herpes simplex encephalitis has been extensively studied, HSV-1 generalized infections and subsequent acute liver failure are less well understood. We previously demonstrated that IFN-αβγR(-/-) mice are exquisitely susceptible to liver infection following corneal infection with HSV-1...
December 1, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27668636/descemet-s-membrane-detachment-with-schisis-induced-by-phacoemulsification
#20
Wenjia Xie, Yesheng Xu, Yu-Feng Yao
PURPOSE: To describe a case of Descemet's membrane detachment and schisis (Descemet's membrane separated into multiple layers) with confirmation by high-definition anterior segment optical coherence tomography (AS-OCT) after phacoemulsification and intraocular lens implantation. CASE REPORT: A 72-year-old woman presented with persistent corneal edema after phacoemulsification. She was diagnosed with herpes simplex keratitis and had been unsuccessfully treated for 60 days in her local hospital...
December 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
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