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https://www.readbyqxmd.com/read/28546929/aqueous-proinflammatory-cytokines-in-acute-primary-angle-closure-eyes
#1
Yao-Ming Liu, Shi-Da Chen, Xing-Yi Li, Wen-Bin Huang, Fei Li, Jia-Wei Wang, Ying-Qi Li, Xiu-Lan Zhang
AIM: To evaluate changes of proinflammatory cytokines in aqueous humor of patients with acute primary angle-closure (APAC) and age-related cataracts. METHODS: Twenty eyes of 20 APAC patients and 15 eyes of 15 age-related cataract patients were included in this cross-sectional study. Aqueous humor samples were collected prospectively. The levels of 20 proinflammatory cytokines were evaluated in the aqueous humor of the APAC and cataract patients using the multiplex bead immunoassay technique...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28542344/dynamic-changes-of-anterior-segment-in-patients-with-different-stages-of-primary-angle-closure-in-both-eyes-and-normal-subjects
#2
Jialiu Lin, Zhonghao Wang, Chuchen Chung, Jianan Xu, Miaomiao Dai, Jingjing Huang
PURPOSE: To compare changes in anterior segment parameters under light and dark (light-to-dark) conditions among eyes with chronic primary angle-closure glaucoma (CPACG), fellow eyes with confirmed or suspect primary angle-closure (PAC or PACS), and age-matched healthy eyes. METHODS: Consecutive patients with CPACG in one eye and PAC/PACS in the fellow eye, as well as age-matched healthy subjects were recruited. Anterior segment optical coherence tomography measurements were conducted under light and dark conditions, and anterior chamber, lens, and iris parameters compared...
2017: PloS One
https://www.readbyqxmd.com/read/28522116/a-new-approach-for-the-management-of-primary-angle-closure-glaucoma-after-eagle-trial
#3
F J Muñoz Negrete, A Azuara-Blanco
No abstract text is available yet for this article.
May 15, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28505344/genetics-of-glaucoma
#4
Janey L Wiggs, Louis R Pasquale
Genetic and genomic studies, including genome-wide association studies (GWAS) have accelerated the discovery of genes contributing to glaucoma, the leading cause of irreversible blindness world-wide. Glaucoma can occur at all ages, with Mendelian inheritance typical for rare early onset disease (before age 40) and complex inheritance evident in common adult-onset forms of disease. Recent studies have suggested possible therapeutic targets for some patients with early-onset glaucoma based on the molecular and cellular events caused by MYOC, OPTN and TBK1 mutations...
May 15, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28499992/segmentation-and-quantification-for-angle-closure-glaucoma-assessment-in-anterior-segment-oct
#5
Huazhu Fu, Yanwu Xu, Stephen Lin, Xiaoqin Zhang, Damon Wing Kee Wong, Jiang Liu, Alejandro Frangi, Mani Baskaran, Tin Aung
Angle-closure glaucoma is a major cause of irreversible visual impairment and can be identified by measuring the anterior chamber angle (ACA) of the eye. The ACA can be viewed clearly through Anterior Segment Optical Coherence Tomography (AS-OCT), but the imaging characteristics and the shapes and locations of major ocular structures can vary significantly among different AS-OCT modalities, thus complicating image analysis. To address this problem, we propose a datadriven approach for automatic AS-OCT structure segmentation, measurement and screening...
May 10, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28494566/-the-prevalence-of-blindness-caused-by-primary-angle-closure-glaucoma-in-middle-aged-chinese-population-a-systematic-review-and-meta-analysis
#6
M L Liu, Y X Wang
Objective: To evaluate the rate of blindness caused by primary angle closure glaucoma (PACG) in Chinese population of more than 40 years old, and to explore the effectiveness of a prevention and treatment system on PACG. Methods: We searched the databases of Pubmed, ScienceDirect, Springer Link, CNKI and Wanfang Data and collected all the original studies of the prevalence and blindness of angle closure glaucoma in China. The population was limited to over 40 years old. The research site was limited to the community-based, while the published time was not limited...
May 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28494561/-observation-of-single-layered-inverted-internal-limiting-membrane-flap-technique-for-macular-hole-with-retinal-detachment-in-high-myopia
#7
C Z Xu, J H Wu, J W He, C Feng
Objective: To compare the outcome of pars plana vitrectomy (PPV) with a single-layered inverted internal limiting membrane (ILM) flap versus PPV with ILM peeling for the treatment of macular hole associated retinal detachment (MHRD) in high myopia. Methods: In a retrospective cohort study, PPV with 2 kinds of adjuvant surgical procedures were used in 35 moderately high myopia eyes with MHRD. These eyes were divided into 2 groups: group 1 (17 eyes) receiving PPV and ILM peeling and group 2 (18 eyes) receiving PPV with a single-layered inverted ILM flap...
May 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28494559/-comparative-study-of-the-effects-of-sterilized-air-and-perfluoropropane-gas-tamponades-on-recovery-after-idiopathic-full-thickness-macular-hole-surgery
#8
F He, L Zheng, F T Dong
Objective: To compare the effects of sterilized air and perfluoropropane (C(3)F(8)) tamponades on recovery after vitrectomy for the treatment of idiopathic full-thickness macular hole (IFTMH). Methods: Case control study. Seventy-three eyes of 69 consecutive cases underwent vitrectomy with air (53 eyes) or 10% C(3)F(8) gas (20 eyes) tamponade. Surgical outcomes were retrospectively analyzed between the two groups, including logarithm of the minimal angle of resolution (logMAR) and optical coherence tomography findings like the size of the macular hole and the photoreceptor layer defect...
May 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28492910/effect-of-bevacizumab-vs-aflibercept-on-visual-acuity-among-patients-with-macular-edema-due-to-central-retinal-vein-occlusion-the-score2-randomized-clinical-trial
#9
Ingrid U Scott, Paul C VanVeldhuisen, Michael S Ip, Barbara A Blodi, Neal L Oden, Carl C Awh, Derek Y Kunimoto, Dennis M Marcus, John J Wroblewski, Jacqueline King
Importance: Studies have established the efficacy and safety of aflibercept for the treatment of macular edema due to central retinal vein occlusion. Bevacizumab is used off-label to treat this condition despite the absence of supporting data. Objective: To investigate whether bevacizumab is noninferior to aflibercept for the treatment of macular edema secondary to central retinal or hemiretinal vein occlusion. Design, Setting, and Participants: The SCORE2 randomized noninferiority clinical trial was conducted at 66 private practice or academic centers in the United States, and included 362 patients with macular edema due to central retinal or hemiretinal vein occlusion who were randomized 1:1 to receive aflibercept or bevacizumab...
May 23, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28489705/retinal-and-choroidal-vascular-occlusion-following-aqueous-misdirection-syndrome-in-a-patient-with-sickle-cell-trait
#10
Samantha Dewundara, Nariman Nassiri, Johnstone M Kim, Huseyin Kadikoy, Wendewessen Amde, Justin Tannir, Bret A Hughes, Gary W Abrams
PURPOSE: To report a patient with retinal and choroidal vascular occlusion as a presenting sign of sickle cell trait following the development of aqueous misdirection syndrome. METHODS: Retrospective chart review. RESULTS: A patient treated for bilateral chronic angle-closure glaucoma with sequential EX-PRESS glaucoma filtration device surgery developed sequential bilateral aqueous misdirection syndrome. The left eye developed retinal arterial and localized choroidal vascular occlusions subsequent to an acute elevation in intraocular pressure and possibly the use of oral acetazolamide...
May 9, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28479031/the-effect-of-early-fusion-of-the-spheno-occipital-synchondrosis-on-midface-hypoplasia-and-obstructive-sleep-apnea-in-patients-with-crouzon-syndrome
#11
Caroline Driessen, Bianca F Rijken, Priya N Doerga, Marjolein H Dremmen, Koen F Joosten, Irene M Mathijssen
INTRODUCTION: The investigators hypothesized that patients with Crouzon syndrome and premature fusion of the spheno-occipital synchondrosis (SOS) more often have, or have more severe midface hypoplasia and obstructive sleep apnea (OSA). METHODS: A prospective cohort study was performed among patients with Crouzon syndrome to analyze SOS closure, midface hypoplasia represented by the sella-nasion angle (SNA) and OSA. RESULTS: Forty patients were included in whom the OSA-prevalence was 65%...
April 8, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28470656/-laser-iridotomy-in-cases-of-acute-angle-closure-only
#12
Daniel M Handzel, Carsten H Meyer, Alfred Wegener
The narrowing of the chamber angle-as a result of anatomic predispositions like high hyperopia or increasing lens thickness-poses the greatest risk for acute angle closure. A laser iridotomy counts as a standard procedure in cases of acute angle closure, whereas there are no coherent recommendations or guidelines for a prophylactic therapy. Modern imaging techniques, such as anterior segment optical coherence tomography or Scheimpflug photography, can give valuable information for the planning of treatment...
May 3, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28442694/surgical-treatment-of-angle-closure-glaucoma
#13
Dawn Lim, Maria Cecilia Aquino, Paul Chew
Advances in anterior segment imaging modalities have contributed new insights towards a better understanding of the various mechanisms of angle-closure glaucoma (ACG). This development is key to good decision making when confronted with angle-closure patients needing appropriate therapy. Surgical management of ACG remains an integral part of glaucoma patient care. The distinctive anatomy of angle-closure eyes and the few objective lines of evidence to support the effectiveness of the different surgical treatment options present a challenge to glaucoma surgeons...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28442692/viscocanalostomy-and-canaloplasty-ab-externo-schlemm-s-canal-surgery
#14
Matthias C Grieshaber
Ab externo Schlemm's canal (SC) surgery (e.g., viscocanalostomy and canaloplasty) is a valuable alternative to glaucoma filtration surgery. It targets the abnormally high resistance to outflow in the trabecular meshwork (TM) and reestablishes the physiologic outflow system. In viscocanalostomy, viscoelastic substance is injected to dilate SC, which in turn leads to microdisruptions of the inner wall. In canaloplasty, the additional intracanalicular stent (suture or Stegmann Canal Expander®) keeps the canal patent and enhances the circumferential flow...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28442685/deep-sclerectomy
#15
Sylvain Roy, André Mermoud
Filtering surgery evolved from the classic trabeculectomy, in which penetration into the anterior chamber is a necessary step, toward nonpenetrating deep sclerectomy. The first procedure presents several serious complications, such as durable hypotony, hyphema, flat anterior chamber, choroidal detachment, endophthalmitis, and surgery-induced cataract. To avoid such drawbacks, a novel nonpenetrating technique was designed to improve the predictability of the intraocular pressure (IOP)-lowering action, while reducing the incidence of the immediate postoperative complications encountered with the penetrating method...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28441050/comparison-of-platelet-function-and-viscoelastic-test-results-between-healthy-dogs-and-dogs-with-naturally-occurring-chronic-kidney-disease
#16
Alicia Dudley, Julie K Byron, Mary Jo Burkhard, Emma Warry, Julien Guillaumin
OBJECTIVE To compare platelet function and viscoelastic test results between healthy dogs and dogs with chronic kidney disease (CKD) to assess whether dogs with CKD have platelet dysfunction and altered blood coagulation. ANIMALS 10 healthy control dogs and 11 dogs with naturally occurring CKD. PROCEDURES Blood and urine were collected once from each dog for a CBC, serum biochemical analysis, urinalysis, and determination of the urine protein-to-creatinine ratio, prothrombin time, activated partial thromboplastin time, plasma fibrinogen concentration, and antithrombin activity...
May 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28437358/integrated-multidimensional-maturity-assessments-predicting-the-high-risk-occurrence-of-peak-angle-velocity-during-puberty-in-progressive-female-idiopathic-scoliosis
#17
Benlong Shi, Saihu Mao, Leilei Xu, Xu Sun, Zezhang Zhu, Bangping Qian, Zhen Liu, Jack Chun Yiu Cheng, Yong Qiu
STUDY DESIGN: A consecutive and prospective longitudinal study. OBJECTIVE: To propose an integrated multidimensional maturity assessment that was designated as forming a reliable system precisely predicting the high-risk occurrence of peak angle velocity (PAV) in a group of progressive braced female idiopathic scoliosis (IS). SUMMARY OF BACKGROUND DATA: Scoliosis deterioration is believed to keep pace with the evolution of skeletal maturity during puberty...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28432110/anterior-but-not-posterior-choroid-changed-before-and-during-valsalva-manoeuvre-in-healthy-chinese-a-ubm-and-ss-oct-study
#18
Fei Li, Kai Gao, Xingyi Li, Shida Chen, Wenbin Huang, Xiulan Zhang
PURPOSE: To determine if the anterior choroid is involved in ocular change during the Valsalva manoeuvre (VM). MATERIALS AND METHODS: Fifty-three healthy volunteers aged 18-65 years with normal visual field test results and no history of intraocular pressure (IOP) exceeding 21 mm Hg were recruited. Anterior and posterior choroidal changes before and during VM were recorded by ultrasound microscope and swept-source optical coherence tomography, respectively. Parameters of the anterior segment included ciliary body thickness (CBT0), thickness of the choroid at a distance of 4 mm from the root of the iris (CT4), anterior placement of the ciliary body (APCB) and trabecular-ciliary angle (TCA)...
April 21, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28428109/why-does-acute-primary-angle-closure-happen-potential-risk-factors-for-acute-primary-angle-closure
#19
REVIEW
Xiulan Zhang, Yaoming Liu, Wei Wang, Shida Chen, Fei Li, Wenbin Huang, Tin Aung, Ningli Wang
Acute primary angle closure (APAC) is an ocular emergency and requires immediate management to avoid blindness. Narrow anterior chamber angle, advanced age, female gender, and Asian ethnic background are considered risk factors for APAC. The predictable power of these factors is, however, relatively poor, and many questions remain unanswered because only a relatively small proportion of anatomically predisposed eyes eventually develop APAC. We summarize the potential roles of various factors in the pathogenesis of APAC...
April 17, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28413868/goniosynechialysis-and-repositioning-of-intraocular-lens-in-a-case-of-secondary-angle-closure-glaucoma
#20
Masaru Fujita, Masafumi Ogata, Yasuyuki Suzuki, Tsunetomo Ichihashi, Miyuki Nagahara, Kenji Kawai
PURPOSE: Implanting intraocular lens (IOL) in proper direction is important in cataract surgery to reduce the possibility of undesirable complications. We experienced a case who underwent vitrectomy combined with cataract surgery and developed secondary angle closure glaucoma caused by IOL misdirection. Goniosynechialysis (GSL) and repositioning of IOL successfully ameliorated the high intraocular pressure (IOP). CASE REPORT: A 64-year-old male with massive vitreous hemorrhage underwent vitrectomy combined with cataract surgery...
April 20, 2017: Tokai Journal of Experimental and Clinical Medicine
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