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https://www.readbyqxmd.com/read/29219060/nattokinase-an-updated-critical-review-on-challenges-and-perspectives
#1
Ethiraj Selvarajan
Natto, a fermented soybean food, has been consumed by oriental people for more than 1000 years. Nattokinase, formerly called subtilisin NAT is a well studied protease of microbial origin that possesses fibrinolytic (anti-clotting) activities. Due to its strong fibrinolytic and thrombolytic activity, Nattokinase is regarded as a precious dietary supplement or nutraceutical for the oral thrombolytic therapy. Nattokinase is witnessed to be a useful enzyme for the com-plete removal of the vitreous and associated proliferative tissues in proliferative vitreo retinal disorders...
December 7, 2017: Cardiovascular & Hematological Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28982955/mutation-spectrum-of-ndp-fzd4-and-tspan12-genes-in-indian-patients-with-retinopathy-of-prematurity
#2
Sonika Rathi, Subhadra Jalali, Ganeswara Rao Musada, Satish Patnaik, Divya Balakrishnan, Anjli Hussain, Inderjeet Kaur
AIM: Retinopathy of prematurity (ROP) is a vasoproliferative eye disease in preterm infants. Based on its phenotypic similarities with familial exudative vitreo retinopathy (FEVR), the present study was conducted to screen the Norrin signalling pathway genes (already been implicated in FEVR) for understanding their involvement among Indian patients with ROP. METHODS: The study cohort consisted of patients with ROP (n=246) and controls (n=300) that included full term (n=110) and preterm babies devoid of ROP (n=190)...
October 5, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28807798/clinically-undetected-retinal-breaks-causing-retinal-detachment-a-review-of-options-for-management
#3
REVIEW
Deepak Gupta, Jared Ching, Paul E Tornambe
The successful detection of retinal breaks is a critical step in rhegmatogenous retinal detachment surgery in order to prevent persistent/recurrent retinal detachments. Not all retinal breaks causing retinal detachments are obvious. Retinal breaks may be obscured by opacities that are either anterior segment related, lens related, or posterior segment related. Rules to identify breaks based on subretinal fluid configuration are more difficult to apply in pseudophakic, aphakic, and scleral buckle encircled eyes-and in eyes with repeat detachments and those with proliferative vitreoretinopathy...
August 12, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28799561/retinal-detachment-repair-and-cataract-surgery-in-patients-with-atopic-dermatitis
#4
V Gnana Jothi, S McGimpsey, J A Sharkey, W C Chan
PurposeThe aim of this study is to report a case series of ocular complications including retinal detachment (RD) and cataract in atopic dermatitis (AD) and surgical management involving a majority of Caucasian patients.Patients and methodsThis study is an observational case series, originally designed as an audit. It involves detailed discussion of history, clinical features, and surgical management of patients presenting with retinal detachment and cataracts secondary to severe AD. Six consecutive patients with diagnosis of severe AD requiring posterior segment and cataract surgery were included in the study...
September 2017: Eye
https://www.readbyqxmd.com/read/28743416/asymptomatic-choroidal-tubercle-in-a-patient-with-crohn-s-disease-on-adalimumab-treatment
#5
V M Asensio-Sánchez, L Díaz-Cabanas, A Martín-Prieto, B Haro-Álvarez
INTRODUCTION: Adalimumab, an anti-tumour necrosis factor alpha therapy for active Crohn's disease (CD), is associated with increased risks of tuberculosis infection. CASE REPORT: The case is presented of a 48 year-old male with active CD on treatment with adalimumab. After three months, he developed a miliary pulmonary tuberculosis infection, with a solitary non-reactive choroidal tubercle temporal-superior to the optic disc being found in an ophthalmological study...
July 22, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28710187/utility-of-microscope-integrated-optical-coherence-tomography-mioct-in-the-treatment-of-myopic-macular-hole-retinal-detachment
#6
Atul Kumar, Prateek Kakkar, Raghav Dinesh Ravani, Ashish Markan
Macular hole-associated retinal detachment in high myopia is described as a final stage in progression of myopic traction maculopathy (MTM).(1â€"3) Shimada et al(4) described the progressive stages of MTM from macular retinoschisis to serous retinal detachment in high myopia. Stage 4 MTM is characterised as disappearance of retinoschisis with progression to retinal detachment due to macular hole formation. It is hypothesised that vitreoschisis and abnormal vitreo-retinal interface create the premacular tangential traction...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28704163/prevalence-of-macular-abnormalities-assessed-by-optical-coherence-tomography-in-patients-with-usher-syndrome
#7
Francesco Testa, Paolo Melillo, Settimio Rossi, Vincenzo Marcelli, Antonella de Benedictis, Raffaella Colucci, Beatrice Gallo, Raffaella Brunetti-Pierri, Simone Donati, Claudio Azzolini, Elio Marciano, Francesca Simonelli
BACKGROUND: To investigate the prevalence of macular abnormalities in patients affected by Usher syndrome (USH), by comparing the clinical findings between two types (i.e., USH1 and USH2). MATERIAL AND METHODS: A retrospective study was performed by reviewing optical coherence tomography (OCT) in 134 USH patients to determine the presence of macular abnormalities, including cystoid macular edema (CME), epiretinal membrane (ERM), vitreo-macular traction syndrome (VMT), and macular hole (MH)...
July 13, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28693020/propiedades-biomec%C3%A3-nicas-de-la-membrana-limitante-interna-tras-recibir-tratamiento-intrav%C3%A3-treo-con-ocriplasmina
#8
Franziska Vielmuth, Ricarda G Schumann, Volker Spindler, Armin Wolf, Renate Scheler, Wolfgang J Mayer, Paul B Henrich, Christos Haritoglou
Objetivo: Evaluar la rigidez de la membrana limitante interna (MLI) humana y evaluar los posibles cambios de las propiedades mecánicas tras administrar una inyección intravítrea de ocriplasmina para tratar la tracción vitreomacular. Métodos: Este estudio se compone de una serie de casos intervencionales y comparativos de 12 muestras de MLI extraídas mediante cirugía y obtenidas de forma consecutiva de 9 ojos de 9 pacientes después de someterse sin éxito a vitreólisis farmacológica con ocriplasmina...
2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28547316/preliminary-study-of-the-safety-and-efficacy-of-medium-chain-triglycerides-for-use-as-an-intraocular-tamponading-agent-in-minipigs
#9
Vincent J Soler, Camille Laurent, Frédéric Sakr, Alain Regnier, Cyrielle Tricoire, Olivier Cases, Renata Kozyraki, Jean-Yves Douet, Véronique Pagot-Mathis
PURPOSE: To date, only silicone oils and gases have the appropriate characteristics for use in vitreo-retinal surgery as vitreous substitutes with intraocular tamponading properties. This preliminary study evaluated the safety and efficacy of medium-chain triglycerides (MCTs) for use as a tamponading agent in minipigs. METHODS: In 15 minipigs, 15 right eyes underwent vitrectomies followed by injection of MCT tamponade (day 1). Two groups were defined. In Group A (ten eyes), the surgical procedure before MCT injection included induced rhegmatogenous retinal detachment (RRD), retina flattening, and retinopexy...
August 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28538613/acute-retinal-damage-after-using-a-toxic-perfluoro-octane-for-vitreo-retinal-surgery
#10
J Carlos Pastor, Rosa M Coco, Ivan Fernandez-Bueno, Maria L Alonso-Alonso, Jesús Medina, Aurelio Sanz-Arranz, Fernando Rull, Manuel J Gayoso, Antonio Dueñas, Maria T Garcia-Gutierrez, Lucia Gonzalez-Buendia, Santiago Delgado-Tirado, Emilio Abecia, Miguel Ruiz-Miguel, Miguel A Serrano, Jose M Ruiz-Moreno, Girish K Srivastava
PURPOSE: To describe a series of retinal acute toxicity cases with severe visual loss after intraocular use of a toxic perfluoro-octane (PFO). The clinical presentation is described, and the likely causes are analyzed. New biological methods for testing safety of intraocular medical devices are proposed. METHODS: Information regarding a series of eyes suffering acute severe events after intraocular use of a toxic PFO was analyzed. Four types of spectroscopy, nuclear magnetic resonance, and chromatography were used to identify the potential PFO contaminants...
June 2017: Retina
https://www.readbyqxmd.com/read/28427068/intravitreal-steroids-in-diabetic-macular-edema
#11
REVIEW
Rosangela Lattanzio, Maria Vittoria Cicinelli, Francesco Bandello
Over the past decade, great strides have been made in the management of diabetic macular edema (DME). Therapeutic alternatives now include focal/grid laser photocoagulation, vitreo-retinal surgery, and intraocular injection of anti-angiogenic and steroid molecules. Intravitreal administration of steroids represents a fundamental alternative for recalcitrant and naive eyes with DME, especially in those cases when anti-vascular endothelial growth factor (VEGF) agents are contraindicated or a treatment regimen with fewer intravitreal injections is required...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28427062/emerging-issues-for-optical-coherence-tomography
#12
REVIEW
Luisa Pierro, Alessandro Rabiolo
Almost 25 years after its introduction, optical coherence tomography (OCT) is still a crucial test in the evaluation of patients affected by diabetic retinopathy. In this chapter, the authors provide an extensive overview of the posterior segment pathological changes induced by diabetes, characterized using OCT. OCT plays a key role in diabetic macular edema (DME) as it assesses related retinal changes both in a qualitative (i.e., DME pattern, presence and aspects of cysts, fluid localization, integrity, and reflectivity of retinal layers) and quantitative (i...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28405756/-maculopathy-with-optic-nerve-pits-morphological-criteria-in-sd%C3%AF-%C3%AF-oct
#13
K Wehrmann, S Stumpfe, M Pettenkofer, N Feucht, C Lohmann, M Maier
PURPOSE: Optic pit is a congenital anomaly with malformation similar to coloboma of the optic disc. The cause of optic pit maculopathy is controversial. We used high resolution OCT to investigate changes in the vitreoretinal and vitreopapillary transition within optic pit eyes. METHODS: The vitreoretinal and vitreo-papillary transition of 12 eyes was accurately analyzed using SD-OCT. We registered the following criteria: liquefaction of prepapillary vitreous, papillary vitreous traction, discontinuity within the hyaloid cortex and communication spaces between pit and retinal edema...
April 12, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28405744/long-term-follow-up-of-fellow-eye-in-patients-with-lamellar-macular-hole
#14
Ugo Nava, Matteo Giuseppe Cereda, Ferdinando Bottoni, Chiara Preziosa, Marco Pellegrini, Andrea Giani, Giovanni Staurenghi
BACKGROUND: To evaluate macular changes in fellow eyes of patients diagnosed with lamellar macular hole (LMH) using spectral-domain optical coherence tomography (SD-OCT) and blue fundus autofluorescence (B-FAF). METHODS: Fellow eyes of patients diagnosed with a LMH were retrospectively evaluated on OCT. Best-corrected visual acuity (BCVA) and central foveal thickness (CFT) were recorded. Corresponding B-FAF images, vitreo-macular relations, and type of epiretinal membranes (ERMs) were also examined...
August 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28389463/vitreous-microrna-levels-as-diagnostic-biomarkers-for-vitreoretinal-lymphoma
#15
LETTER
Vinodh Kakkassery, Roland Schroers, Sarah E Coupland, Marc-Ilan Wunderlich, Marc Schargus, Carsten Heinz, Susanne Wasmuth, Arnd Heiligenhaus, Guido Ahle, Patrick Lenoble, Uwe Schlegel, Wolff Schmiegel, H Burkhard Dick, Alexander Baraniskin
No abstract text is available yet for this article.
June 8, 2017: Blood
https://www.readbyqxmd.com/read/28258307/nutrition-for-diabetic-retinopathy-plummeting-the-inevitable-threat-of-diabetic-vision-loss
#16
REVIEW
Yashodhara Sharma, Sandeep Saxena, Arvind Mishra, Anita Saxena, Shankar Madhav Natu
Diabetic retinopathy (DR) is among the leading causes of preventable blindness. Hyperglycemia, hypertension, hyperlipidemia and anemia majorly predispose its pathogenesis. The current treatment modalities of DR include laser photocoagulation therapy, intravitreal corticosteroids, intravitreal anti-vascular endothelial growth factor (VEGF) agents and vitreo-retinal surgery which are costly, highly invasive, unproven for prolonged use and opted in advanced stages of DR. By then retina already encounters a vast damage...
March 3, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28121212/macular-hole-in-stargardt-disease-clinical-and-ultra-structural-observation
#17
Stanislao Rizzo, Dario Pasquale Mucciolo, Daniela Bacherini, Vittoria Murro, Lorenzo Vannozzi, Gianni Virgili, Daniele Bani, Andrea Sodi
PURPOSE: To report for the first time a case report of a Stargardt disease patient who developed a macular hole (MH) which was treated with a surgical approach. METHOD: Case report. RESULTS: After vitrectomy a complete closure of the MH was obtained and the best-corrected visual acuity remained stable. No complications were reported after one year of follow-up. An ultra-structural examination of the removed internal limiting membrane (ILM) and epiretinal membrane (ERM) was carried out under electron microscopy...
September 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28040528/role-of-diagnostic-endoscopy-in-posterior-segment-evaluation-for-definitive-prognostication-in-eyes-with-corneal-opacification
#18
Rajeev R Reddy Pappuru, Mudit Tyagi, Remya M Paulose, Vivek P Dave, Taraprasad Das, Jay Chhablani, Raja Narayanan, Rushil K Saxena, Divya Balakrishnan, Sayan Basu, Virender S Sangwan
PURPOSE: Direct visualization of the posterior segment is not possible with conventional imaging techniques in eyes with corneal opacification. This study evaluated the efficacy of videoendoscopy in visualizing and hence prognosticating the visual outcomes in such eyes. DESIGN: Prospective, noncomparative, consecutive interventional case series. METHODS: This study included 64 eyes of 64 patients with corneal opacification who underwent a diagnostic ophthalmic endoscopy procedure from March 2014 to May 2016...
April 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27990367/missed-retinal-breaks-in-rhegmatogenous-retinal-detachment
#19
Brijesh Takkar, Shorya Azad, Adarsh Shashni, Amar Pujari, Indrish Bhatia, Rajvardhan Azad
AIM: To evaluate the causes and associations of missed retinal breaks (MRBs) and posterior vitreous detachment (PVD) in patients with rhegmatogenous retinal detachment (RRD). METHODS: Case sheets of patients undergoing vitreo retinal surgery for RRD at a tertiary eye care centre were evaluated retrospectively. Out of the 378 records screened, 253 were included for analysis of MRBs and 191 patients were included for analysis of PVD, depending on the inclusion criteria...
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27930437/case-of-metastatic-urothelial-carcinoma-of-the-retina-and-vitreous
#20
Katherine E Whalen, Ralph C Eagle, Tamara R Vrabec
PURPOSE: To report a rare case of vitreo-retinal metastasis from urothelial carcinoma of the bladder. METHODS: Case report. RESULTS: A 55-year-old man with a history of bladder cancer developed atypical vitritis and a white fundus mass. Intravenous fluorescein angiography demonstrated connection between the retinal and tumor vasculature consistent with a retinal malignancy. Cytologic analysis of the vitreous sample revealed large, atypical cells with pleomorphic nuclei, mucin vacuoles, and rare mitotic figures...
December 7, 2016: Retinal Cases & Brief Reports
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