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https://www.readbyqxmd.com/read/29135604/chemical-burns-of-the-eye-the-role-of-retinal-injury-and-new-therapeutic-possibilities
#1
Claes H Dohlman, Fabiano Cade, Caio V Regatieri, Chengxin Zhou, Fengyang Lei, Alja Crnej, Mona Harissi-Dagher, Marie-Claude Robert, George N Papaliodis, Dongfeng Chen, James V Aquavella, Esen K Akpek, Anthony J Aldave, Kimberly C Sippel, Donald J DʼAmico, Jan G Dohlman, Per Fagerholm, Liqiang Wang, Lucy Q Shen, Miguel González-Andrades, James Chodosh, Kenneth R Kenyon, C Stephen Foster, Roberto Pineda, Samir Melki, Kathryn A Colby, Joseph B Ciolino, Demetrios G Vavvas, Shigeru Kinoshita, Reza Dana, Eleftherios I Paschalis
PURPOSE: To propose a new treatment paradigm for chemical burns to the eye - in the acute and chronic phases. METHODS: Recent laboratory and clinical data on the biology and treatment of chemical burns are analyzed. RESULTS: Corneal blindness from chemical burns can now be successfully treated with a keratoprosthesis, on immediate and intermediate bases. Long term outcomes, however, are hampered by early retinal damage causing glaucoma. New data suggest that rapid diffusion of inflammatory cytokines posteriorly (TNF-α, etc) can severely damage the ganglion cells...
November 9, 2017: Cornea
https://www.readbyqxmd.com/read/29127432/corneal-endothelial-cell-loss-3-years-after-successful-descemet-stripping-automated-endothelial-keratoplasty-in-the-cornea-preservation-time-study-a-randomized-clinical-trial
#2
Jonathan H Lass, Beth Ann Benetz, David D Verdier, Loretta B Szczotka-Flynn, Allison R Ayala, Wendi Liang, Anthony J Aldave, Steven P Dunn, Tyrone McCall, Shahzad I Mian, Lisa C Navarro, Sanjay V Patel, Sudeep Pramanik, George O Rosenwasser, Kevin W Ross, Mark A Terry, Craig Kollman, Robin L Gal, Roy W Beck
Importance: Demonstrating that endothelial cell loss following Descemet stripping automated endothelial keratoplasty (DSAEK) is independent of donor cornea preservation time (PT) could increase the pool of corneal tissue available for keratoplasty. Objective: To determine whether endothelial cell loss 3 years after successful DSAEK is related to PT. Design, Setting, and Participants: A multicenter, double-masked, randomized clinical trial included 40 clinical sites (70 surgeons) in the United States, with donor corneas provided by 23 US eye banks...
November 10, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29127431/effect-of-cornea-preservation-time-on-success-of-descemet-stripping-automated-endothelial-keratoplasty-a-randomized-clinical-trial
#3
George O Rosenwasser, Loretta B Szczotka-Flynn, Allison R Ayala, Wendi Liang, Anthony J Aldave, Steven P Dunn, Tyrone McCall, Lisa C Navarro, Sudeep Pramanik, Kevin W Ross, R Doyle Stulting, Mark A Terry, Elmer Y Tu, David D Verdier, Craig Kollman, Robin L Gal, Roy W Beck, Jonathan H Lass
Importance: Demonstrating that success of Descemet stripping automated endothelial keratoplasty is similar across donor cornea preservation times (PTs) could increase the donor pool. Objective: To determine whether the 3-year rate of graft success using corneal donor tissue preserved 8 to 14 days is noninferior to that of donor tissue preserved 7 days or less. Design, Setting, and Participants: A multicenter, double-masked, randomized noninferiority clinical trial was conducted from April 16, 2012, to June 5, 2017, at 40 clinical sites (70 surgeons) in the United States, with donor corneas provided by 23 US eye banks...
November 10, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29062682/transudative-chylothorax-in-a-patient-with-lymphangioleiomyomatosis
#4
Adrian Pedro Noriega Aldave, John W Leslie
Transudative chylothorax is a rare type of pleural effusion. It has been described to be present in the setting of liver cirrhosis, heart failure, amyloidosis, nephrotic syndrome, superior vena cava thrombosis, sclerosing mesenteritis and heart failure. We present the case of an 86-year-old woman with a right-side transudative chylothorax associated with heart failure and lymphangioleiomyomatosis.
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29046608/elucidating-the-molecular-basis-of-ppcd-effects-of-decreased-zeb1-expression-on-corneal-endothelial-cell-function
#5
Marina Zakharevich, Jaffer M Kattan, Judy L Chen, Benjamin R Lin, Aleck E Cervantes, Doug D Chung, Ricardo F Frausto, Anthony J Aldave
PURPOSE: To investigate the functional role that the zinc e-box binding homeobox 1 (ZEB1) gene, which underlies the genetic basis of posterior polymorphous corneal dystrophy 3 (PPCD3), plays in corneal endothelial cell proliferation, apoptosis, migration, and barrier function. METHODS: A human corneal endothelial cell line (HCEnC-21T) was transfected with siRNA targeting ZEB1 mRNA. Cell proliferation, apoptosis, migration, and barrier assays were performed: Cell proliferation was assessed with cell counting using a hemocytometer; cell apoptosis, induced by either ultraviolet C (UVC) radiation or doxorubicin treatment, was quantified by measuring cleaved caspase 3 (cCASP3) protein levels; and cell migration and barrier function were monitored with electric cell-substrate impedance sensing (ECIS)...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28990994/long-term-visual-outcomes-complications-and-retention-of-the-boston-type-i-keratoprosthesis
#6
Carolina Aravena, Fei Yu, Anthony J Aldave
PURPOSE: To report the long-term outcomes of the Boston type I keratoprosthesis (KPro). METHODS: Data were collected regarding preoperative characteristics, surgical procedure(s) performed, and postoperative outcomes of patients who underwent KPro implantation from May 1, 2004, to May 1, 2011, and were followed for 5 years after surgery. RESULTS: Seventy-four KPro procedures were performed in 58 eyes (55 patients), with more than 1 KPro implanted in 10 eyes...
October 5, 2017: Cornea
https://www.readbyqxmd.com/read/28851657/computer-simulation-and-experimental-self-assembly-of-irradiated-glycine-amino-acid-under-magnetic-fields-its-possible-significance-in-prebiotic-chemistry
#7
Alejandro Heredia, María Colín-García, Teresa Pi I Puig, Leticia Alba-Aldave, Adriana Meléndez, Jorge A Cruz-Castañeda, Vladimir A Basiuk, Sergio Ramos-Bernal, Alicia Negrón Mendoza
Ionizing radiation may have played a relevant role in chemical reactions for prebiotic biomolecule formation on ancient Earth. Environmental conditions such as the presence of water and magnetic fields were possibly relevant in the formation of organic compounds such as amino acids. ATR-FTIR, Raman, EPR and X-ray spectroscopies provide valuable information about molecular organization of different glycine polymorphs under static magnetic fields. γ-glycine polymorph formation increases in irradiated samples interacting with static magnetic fields...
August 26, 2017: Bio Systems
https://www.readbyqxmd.com/read/28777100/scleral-pneumatonometry-in-penetrating-keratoplasty-a-clinical-study
#8
Otavio A Magalhaes, Anthony J Aldave
PURPOSE: To evaluate the reliability between pneumatonometry intraocular pressure (IOP) measurement in different scleral locations and corneal IOP in a penetrating keratoplasty (PK) setting. Our aim is to validate a method that can potentially be used for patients with keratoprostheses. METHODS: This is a prospective observational study of 40 patients who underwent monocular PK by a single surgeon and had no significant anterior segment condition in the contralateral eye...
October 2017: Cornea
https://www.readbyqxmd.com/read/28680190/a-labview-%C3%A2-based-software-for-the-control-of-the-autorad-platform-a-fully-automated-multisequential-flow-injection-analysis-lab-on-valve-msfia-lov-system-for-radiochemical-analysis
#9
Donato Barbesi, Víctor Vicente Vilas, Sylvain Millet, Miguel Sandow, Jean-Yves Colle, Laura Aldave de Las Heras
A LabVIEW(®)-based software for the control of the fully automated multi-sequential flow injection analysis Lab-on-Valve (MSFIA-LOV) platform AutoRAD performing radiochemical analysis is described. The analytical platform interfaces an Arduino(®)-based device triggering multiple detectors providing a flexible and fit for purpose choice of detection systems. The different analytical devices are interfaced to the PC running LabVIEW(®)VI software using USB and RS232 interfaces, both for sending commands and receiving confirmation or error responses...
2017: Journal of Radioanalytical and Nuclear Chemistry
https://www.readbyqxmd.com/read/28654985/transcriptomic-profiling-of-posterior-polymorphous-corneal-dystrophy
#10
Doug D Chung, Ricardo F Frausto, Benjamin R Lin, Evelyn M Hanser, Zack Cohen, Anthony J Aldave
Purpose: To investigate the molecular basis of posterior polymorphous corneal dystrophy (PPCD) by examining the PPCD transcriptome and the effect of decreased ZEB1 expression on corneal endothelial cell (CEnC) gene expression. Methods: Next-generation RNA sequencing (RNA-seq) analyses of corneal endothelium from two PPCD-affected individuals (one with PPCD3 and one of unknown genetic cause) compared with two age-matched controls, and primary human CEnC (pHCEnC) transfected with siRNA-mediated ZEB1 knockdown...
June 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28601685/hematopoietic-stem-cell-transplantation-in-patients-with-gain-of-function-signal-transducer-and-activator-of-transcription-1-mutations
#11
Jennifer W Leiding, Satoshi Okada, David Hagin, Mario Abinun, Anna Shcherbina, Dmitry N Balashov, Vy H D Kim, Adi Ovadia, Stephen L Guthery, Michael Pulsipher, Desa Lilic, Lisa A Devlin, Sharon Christie, Mark Depner, Sebastian Fuchs, Annet van Royen-Kerkhof, Caroline Lindemans, Aleksandra Petrovic, Kathleen E Sullivan, Nancy Bunin, Sara Sebnem Kilic, Fikret Arpaci, Oscar de la Calle-Martin, Laura Martinez-Martinez, Juan Carlos Aldave, Masao Kobayashi, Teppei Ohkawa, Kohsuke Imai, Akihiro Iguchi, Chaim M Roifman, Andrew R Gennery, Mary Slatter, Hans D Ochs, Tomohiro Morio, Troy R Torgerson
BACKGROUND: Gain-of-function (GOF) mutations in signal transducer and activator of transcription 1 (STAT1) cause susceptibility to a range of infections, autoimmunity, immune dysregulation, and combined immunodeficiency. Disease manifestations can be mild or severe and life-threatening. Hematopoietic stem cell transplantation (HSCT) has been used in some patients with more severe symptoms to treat and cure the disorder. However, the outcome of HSCT for this disorder is not well established...
June 7, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28495905/long-term-outcomes-of-the-boston-type-i-keratoprosthesis-in-eyes-with-previous-herpes-simplex-virus-keratitis
#12
Melinda Fry, Carolina Aravena, Fei Yu, Jaffer Kattan, Anthony J Aldave
PURPOSE: To report the long-term outcomes of the Boston type I keratoprosthesis (Kpro) in eyes with prior herpes simplex virus (HSV) keratitis. METHODS: Retrospective review of all Kpro procedures performed by a single surgeon from 1 May 2004 to 1 January 2015. RESULTS: 13 of 173 Kpro procedures were performed in 11 eyes with prior HSV keratitis. There was not a significant difference in the percentage of eyes with and without prior HSV keratitis with preoperative (9% vs 8%, p=1...
May 11, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28367431/a-3-year-old-girl-with-recurrent-infections-and-autoimmunity-due-to-a-stat1-gain-of-function-mutation-the-expanding-clinical-presentation-of-primary-immunodeficiencies
#13
Juan Carlos Aldave Becerra, Enrique Cachay Rojas
We report a 3-year-old Peruvian girl, born to non-consanguineous parents. At the age of 8 months, she had a severe pneumonia complicated with empyema that required thoracic drainage and mechanical ventilation. Although no microorganisms were isolated, the patient recovered with broad-spectrum antibiotics. Since that date, she has presented multiple episodes of pneumonia and recurrent episodes of bronchospasm. At 1 year 5 months of age, the patient began with recurrent episodes of oropharyngeal, vaginal, and skin candidiasis, which improved transiently after using oral azole drugs...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28362188/spinal-column-shortening-for-tethered-cord-syndrome-associated-with-myelomeningocele-lumbosacral-lipoma-and-lipomyelomeningocele-in-children-and-young-adults
#14
Guillermo Aldave, Daniel Hansen, Steven W Hwang, Amee Moreno, Valentina Briceño, Andrew Jea
OBJECTIVE Tethered cord syndrome is the clinical manifestation of an abnormal stretch on the spinal cord, presumably causing mechanical injury, a compromised blood supply, and altered spinal cord metabolism. Tethered cord release is the standard treatment for tethered cord syndrome. However, direct untethering of the spinal cord carries potential risks, such as new neurological deficits from spinal cord injury, a CSF leak from opening the dura, and retethering of the spinal cord from normal scar formation after surgery...
June 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28358029/genome-wide-association-study-identifies-three-novel-loci-in-fuchs-endothelial-corneal-dystrophy
#15
Natalie A Afshari, Robert P Igo, Nathan J Morris, Dwight Stambolian, Shiwani Sharma, V Lakshmi Pulagam, Steven Dunn, John F Stamler, Barbara J Truitt, Jacqueline Rimmler, Abraham Kuot, Christopher R Croasdale, Xuejun Qin, Kathryn P Burdon, S Amer Riazuddin, Richard Mills, Sonja Klebe, Mollie A Minear, Jiagang Zhao, Elmer Balajonda, George O Rosenwasser, Keith H Baratz, V Vinod Mootha, Sanjay V Patel, Simon G Gregory, Joan E Bailey-Wilson, Marianne O Price, Francis W Price, Jamie E Craig, John H Fingert, John D Gottsch, Anthony J Aldave, Gordon K Klintworth, Jonathan H Lass, Yi-Ju Li, Sudha K Iyengar
The structure of the cornea is vital to its transparency, and dystrophies that disrupt corneal organization are highly heritable. To understand the genetic aetiology of Fuchs endothelial corneal dystrophy (FECD), the most prevalent corneal disorder requiring transplantation, we conducted a genome-wide association study (GWAS) on 1,404 FECD cases and 2,564 controls of European ancestry, followed by replication and meta-analysis, for a total of 2,075 cases and 3,342 controls. We identify three novel loci meeting genome-wide significance (P<5 × 10(-8)): KANK4 rs79742895, LAMC1 rs3768617 and LINC00970/ATP1B1 rs1200114...
March 30, 2017: Nature Communications
https://www.readbyqxmd.com/read/28128705/assessing-residents-operative-skills-for-external-ventricular-drain-placement-and-shunt-surgery-in-pediatric-neurosurgery
#16
MULTICENTER STUDY
Guillermo Aldave, Daniel Hansen, Valentina Briceño, Thomas G Luerssen, Andrew Jea
OBJECTIVE The authors previously demonstrated the use of a validated Objective Structured Assessment of Technical Skills (OSATS) tool for evaluating residents' operative skills in pediatric neurosurgery. However, no benchmarks have been established for specific pediatric procedures despite an increased need for meaningful assessments that can either allow for early intervention for underperforming trainees or allow for proficient residents to progress to conducting operations independently with more passive supervision...
April 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28060069/vortex-pattern-of-corneal-deposits-in-granular-corneal-dystrophy-associated-with-the-p-arg555trp-mutation-in-tgfbi
#17
Jaffer M Kattan, Juan Carlos Serna-Ojeda, Anushree Sharma, Eung K Kim, Arturo Ramirez-Miranda, Marisa Cruz-Aguilar, Aleck E Cervantes, Ricardo F Frausto, Juan Carlos Zenteno, Enrique O Graue-Hernandez, Anthony J Aldave
PURPOSE: To describe 2 unrelated families with multiple members demonstrating a less commonly recognized vortex pattern of corneal deposits confirmed to be granular corneal dystrophy type 1 (GCD1) after identification of the p.(Arg555Trp) mutation in the transforming growth factor β-induced gene (TGFBI). METHODS: A slit-lamp examination was performed on individuals from 2 families, one of Mexican descent and a second of Italian descent. After DNA extraction from affected individuals and their unaffected relatives, TGFBI screening was performed...
February 2017: Cornea
https://www.readbyqxmd.com/read/28046031/confirmation-of-the-ovol2-promoter-mutation-c-307t-c-in-posterior-polymorphous-corneal-dystrophy-1
#18
Doug D Chung, Ricardo F Frausto, Aleck E Cervantes, Katherine M Gee, Marina Zakharevich, Evelyn M Hanser, Edwin M Stone, Elise Heon, Anthony J Aldave
PURPOSE: To identify the genetic basis of posterior polymorphous corneal dystrophy (PPCD) in families mapped to the PPCD1 locus and in affected individuals without ZEB1 coding region mutations. METHODS: The promoter, 5' UTR, and coding regions of OVOL2 was screened in the PPCD family in which linkage analysis established the PPCD1 locus and in 26 PPCD probands who did not harbor a ZEB1 mutation. Copy number variation (CNV) analysis in the PPCD1 and PPCD3 intervals was performed on DNA samples from eight probands using aCGH...
2017: PloS One
https://www.readbyqxmd.com/read/27741017/vortex-pattern-of-corneal-deposits-in-granular-corneal-dystrophy-associated-with-the-p-argr555wtrp-mutation-in-tgfbi
#19
Jaffer M Kattan, Juan Carlos Serna-Ojeda, Anushree Sharma, Eung K Kim, Arturo Ramirez-Miranda, Marisa Cruz-Aguilar, Aleck E Cervantes, Ricardo F Frausto, Juan Carlos Zenteno, Enrique O Graue-Hernandez, Anthony J Aldave
PURPOSE: To describe 2 unrelated families with multiple members demonstrating a less commonly recognized vortex pattern of corneal deposits confirmed to be granular corneal dystrophy type 1 (GCD1) after identification of the p.(Arg555Trp) mutation in the transforming growth factor β-induced gene (TGFBI). METHODS: A slit-lamp examination was performed on individuals from 2 families, one of Mexican descent and a second of Italian descent. After DNA extraction from affected individuals and their unaffected relatives, TGFBI screening was performed...
October 12, 2016: Cornea
https://www.readbyqxmd.com/read/27614591/safety-of-concurrent-boston-type-i-keratoprosthesis-and-glaucoma-drainage-device-implantation
#20
COMPARATIVE STUDY
Tamara L Lenis, Stephan Y Chiu, Simon K Law, Fei Yu, Anthony J Aldave
PURPOSE: To evaluate the safety of concurrent Boston type I keratoprosthesis (KPro) and glaucoma drainage device (GDD) implantation. DESIGN: Retrospective comparative study of a consecutive cohort of patients. SUBJECTS: Patients who underwent KPro implantation by a single surgeon (A.J.A.) with or without 1 concurrent Ahmed GDD (New World Medical, Inc., Rancho Cucamonga, CA) implantation between January 1, 2005, and January 31, 2015, were included...
January 2017: Ophthalmology
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