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Glaucoma AND IOP

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https://www.readbyqxmd.com/read/28524884/assessment-of-conditions-affecting-surgical-success-of-ahmed-glaucoma-valve-implants-in-glaucoma-secondary-to-different-uveitis-etiologies-in-adults
#1
G Sungur, M Yakin, U Eksioglu, B Satana, F Ornek
PurposeThere is little known about the long-term efficacy and safety of Ahmed glaucoma valve (AGV) implant and about the conditions affecting surgical success in uveitic glaucoma (UG).Patients and methodsThe charts of adult patients with UG who underwent AGV implantation from 2006 to 2015 were reviewed retrospectively.ResultsData of 46 eyes of 39 patients were evaluated. Mean follow-up was 51.93±23.08 months. Mean preoperative IOP was 37.05±9.62 mm Hg and mean number of preoperative topical anti-glaucomatous medications was 2...
May 19, 2017: Eye
https://www.readbyqxmd.com/read/28524139/-ocular-hypotensive-effect-of-systemic-beta-blockers-in-patients-with-primary-glaucoma-and-arterial-hypertension
#2
A L Onishchenko, A V Kolbasko, A V Zakharova, E G Onishchenko, N M Zhilina
AIM: to evaluate the ocular hypotensive efficacy of systemic beta-blockers in primary glaucoma patients suffering from arterial hypertension (AH). MATERIAL AND METHODS: The study included 29 patients with POAG (58 eyes) aged from 47 to 83 years. Patients with stage I-III POAG received instillations of prostaglandin analogs and carbonic anhydrase inhibitors. All POAG patients also suffered from arterial hypertension and were prescribed selective beta-blockers (metoprolol, bisoprolol, or nebivalol) as monotherapy or as part of combination therapy (if the target arterial pressure had not been achieved under the initial treatment)...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28524136/-clinical-evaluation-of-the-effectiveness-of-cholinesterase-inhibition-with-neuromidin-in-the-treatment-of-primary-glaucoma-patients
#3
I A Zakharova, R V Avdeev, V A Pristavka, S N Surnin, V Yu Makhmutov, I I Savrasova
AIM: to investigate neuromidin effectiveness in the treatment of patients with primary glaucoma and compensated intraocular pressure (IOP). MATERIAL AND METHODS: A total of 40 patients (80 eyes) were examined. Of them, 10 eyes with early glaucoma, 36 eyes with moderate-stage glaucoma, 33 eyes with advanced glaucoma, and 1 eye with end-stage glaucoma. In 19 eyes, IOP was controlled through beta-blockers, in 11 eyes - through carbonic anhydrase inhibitors, in 10 eyes - through prostaglandin analogues, and in 39 eyes - through combination drugs...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28516453/dba-2j-mouse-model-for-experimental-glaucoma-pitfalls-and-problems
#4
Anita J Turner, Roshana Vander Wall, Vivek Gupta, Alex Klistorner, Stuart L Graham
PURPOSE: The DBA/2J mouse has been described as a model for congenital experimental glaucoma. It develops anterior segment anomalies with synechiae and pigment dispersion leading to raised intraocular pressure (IOP) and glaucomatous damage. However there are serious practical considerations when using this model in longitudinal studies. METHODS: We followed 118 mice from 12 - 48 weeks of age in a pharmaceutical trial. Here we report on the findings in control animals (n=37)...
May 18, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28514817/-the-role-of-intraocular-pressure-fluctuation-in-the-development-and-progression-of-glaucoma
#5
Jasmin Rezapour, Esther Maria Hoffmann
Intraocular pressure fluctuation has been discussed as a risk factor for glaucoma development and glaucoma progression. Two clinical trials (Sweden and USA) have evaluated the relationship between IOP and glaucoma progression. Both studies will be discussed in this review. Additionally, some smaller studies exist that are mentioned and discussed as well. This review summarizes the most important studies.
May 17, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28512580/high-intensity-focused-ultrasound-circular-cyclocoagulation-in-glaucoma-a-step-forward-for-cyclodestruction
#6
REVIEW
Rodolfo Mastropasqua, Vincenzo Fasanella, Alessandra Mastropasqua, Marco Ciancaglini, Luca Agnifili
The ciliary body ablation is still considered as a last resort treatment to reduce the intraocular pressure (IOP) in uncontrolled glaucoma. Several ablation techniques have been proposed over the years, all presenting a high rate of complications, nonselectivity for the target organ, and unpredictable dose-effect relationship. These drawbacks limited the application of cyclodestructive procedures almost exclusively to refractory glaucoma. High-intensity focused ultrasound (HIFU), proposed in the early 1980s and later abandoned because of the complexity and side effects of the procedure, was recently reconsidered in a new approach to destroy the ciliary body...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28510772/prevalence-incidence-and-risk-factors-for-the-development-of-glaucoma-in-patients-with-aniridia
#7
Shantha Balekudaru, Nandhini Sankaranarayanan, Sumita Agarkar
PURPOSE: To assess the prevalence, incidence, and risk factors for the development of glaucoma in patients with aniridia. METHODS: Retrospective analysis of case records of patients diagnosed as having congenital aniridia between January 1986 and December 2011 was performed. Patients with a follow-up of more than 12 months were included. RESULTS: Ninety-one patients (180 eyes) with the diagnosis of aniridia were identified from the case records...
May 15, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28508306/multicenter-randomized-investigator-masked-study-comparing-brimonidine-tartrate-0-1-and-timolol-maleate-0-5-as-adjunctive-therapies-to-prostaglandin-analogues-in-normal-tension-glaucoma
#8
Shiro Mizoue, Koji Nitta, Motohiro Shirakashi, Akiyoshi Nitta, Shigeki Yamabayashi, Tairo Kimura, Toshihiko Ueda, Ryuji Takeda, Shun Matsumoto, Keiji Yoshikawa
INTRODUCTION: This study compared the efficacy and safety of adjunctive brimonidine tartrate 0.1% ophthalmic solution (brimonidine) and timolol maleate 0.5% ophthalmic solution (timolol) in prostaglandin analogue (PGA)-treated normal-tension glaucoma (NTG), assessing the non-inferiority of brimonidine in terms of intraocular pressure (IOP) reduction. METHODS: In this multicenter, randomized, investigator-masked, parallel-group, clinical study, adjunctive brimonidine or timolol was administered twice daily for 12 weeks in eyes with NTG that had been treated with PGA for at least 90 days and required additional treatment despite an IOP of 16 mmHg or less...
May 15, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28503433/selective-laser-trabeculoplasty-in-pseudophakic-and-phakic-eyes-a-prospective-study
#9
Myrjam De Keyser, Maya De Belder, Veva De Groot
AIM: To compare the efficacy of selective laser trabeculoplasty (SLT) in replacing medical therapy in pseudophakic and phakic eyes. METHODS: Subgroup of a prospective randomized clinical trial including patients with primary open angle glaucoma or ocular hypertension controlled with medication. Of 38 pseudophakic eyes were matched with 38 phakic eyes. SLT was offered as a way to decrease medication while maintaining the same low eye pressure. SLT was performed over 360°, at 3ns, spotsize 400 µm, 100 spots...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28502035/prospective-observational-post-marketing-study-of-tafluprost-for-glaucoma-and-ocular-hypertension-effectiveness-and-treatment-persistence
#10
Yasuaki Kuwayama, Masako Hashimoto, Reiko Kakegawa, Akio Nomura, Fumiki Shimada
INTRODUCTION: The aim of this study was to investigate the long-term intraocular pressure (IOP)-lowering effect and safety of tafluprost, a prostaglandin analogue, in actual clinical practice and to determine persistency of tafluprost as an indicator of its benefit-risk balance. METHODS: This was a large-scale, post-marketing, multicenter, non-interventional, open-label, long-term study. Patients with glaucoma or ocular hypertension who initiated tafluprost treatment were registered and prospectively observed over a 2-year period in the real-world setting in Japan...
May 13, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28499984/systemic-pten-akt1-mtor-pathway-activity-in-patients-with-normal-tension-glaucoma-and-ocular-hypertension-a-case-series
#11
Gerassimos Lascaratos, Kai-Yin Chau, Haogang Zhu, Despoina Gkotsi, Deborah Kamal, Ivan Gout, Philip J Luthert, Anthony H V Schapira, David F Garway-Heath
Glaucoma is the most common optic neuropathy in humans and the leading cause of irreversible blindness worldwide. Its prevalence and incidence increase exponentially with ageing and raised intraocular pressure (IOP), while increasing evidence suggests that systemic mitochondrial abnormalities may also be implicated in its pathogenesis. We have recently shown that patients who have not developed glaucoma despite being exposed for many years to high IOP (ocular hypertension - OHT) have more efficient mitochondria, measured in peripheral blood lymphocytes, when compared to age-similar controls and fast progressing normal tension glaucoma (NTG) patients...
May 9, 2017: Mitochondrion
https://www.readbyqxmd.com/read/28499706/pseudophakic-macular-edema-in-primary-open-angle-glaucoma-a-prospective-study-using-spectral-domain-optical-coherence-tomography
#12
Kyoung Min Lee, Eun Ji Lee, Tae-Woo Kim, Hyunjoong Kim
PURPOSE: To determine the incidence of and risk factors for pseudophakic macular edema (PME) after uncomplicated cataract surgery in primary open-angle glaucoma (POAG) using spectral-domain optical coherence tomography (SD-OCT). DESIGN: Cohort study METHODS: Macular retinal thickness was evaluated using SD-OCT at 1-week before surgery and at 1-, 3-, 6-, and 12-months postoperatively, in 70 POAG and 68 control eyes. Forty-three healthy subjects without impaired vision or cystoid PME were recruited separately as pilot samples to define significant PME...
May 10, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28499445/vision-related-quality-of-life-following-glaucoma-filtration-surgery
#13
Kazuyuki Hirooka, Eri Nitta, Kaori Ukegawa, Akitaka Tsujikawa
BACKGROUND: To evaluate vision-related quality of life (VR-QOL) following glaucoma filtration surgery. METHODS: A total of 103 glaucoma patients scheduled to undergo glaucoma filtration surgery. Prior to and at three months after glaucoma filtration surgery, trabeculectomy or EX-PRESS, all patients completed the 25-item National Eye Institute Visual Function Questionnaire (VFQ-25). A total of 48 patients underwent combined cataract and filtration surgery. The clinical data collected pre- and postoperatively included best-corrected visual acuity (BCVA) and intraocular pressure (IOP)...
May 12, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28496108/alpha7-nicotinic-acetylcholine-receptor-agonist-promotes-retinal-ganglion-cell-function-via-modulating-gabaergic-presynaptic-activity-in-a-chronic-glaucomatous-model
#14
Xujiao Zhou, Yun Cheng, Rong Zhang, Gang Li, Boqi Yang, Shenghai Zhang, Jihong Wu
Alpha-7 nicotinic acetylcholine receptor (α7-nAChR) agonists can prevent glutamate-induced excitotoxicity in cultured retinal ganglion cells (RGCs). However, the neuroprotective effects and the mechanism of action of PNU-282987, an α7-nAChR agonist, in a chronic in vivo rat glaucoma model are poorly understood. We found that elevated intraocular pressure (IOP) downregulated retinal α7-nAChR expression. Electroretinography revealed that the amplitude of the photopic negative response (PhNR) decreased in parallel with the loss of RGCs caused by elevated IOP...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28494490/biomechanical-responses-of-lamina-cribrosa-to-intraocular-pressure-change-assessed-by-optical-coherence-tomography-in-glaucoma-eyes
#15
Harry Quigley, Karun Arora, Sana Idrees, Francisco Solano, Sahar Bedrood, Christopher Lee, Joan Jefferys, Thao Nguyen
Purpose: The purpose of this study was to measure change in anterior lamina cribrosa depth (ALD) globally and regionally in glaucoma eyes at different intraocular pressures (IOP). Methods: Twenty-seven glaucoma patients were imaged before and after IOP-lowering procedures using optical coherence tomography. The anterior lamina was marked in approximately 25 locations in each of six radial scans to obtain global and regional estimates of ALD. ALD and its change with IOP were compared with optic disc damage, nerve fiber layer thickness, and visual field loss...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28494163/expression-of-14-3-3-zeta-protein-in-dexamethasone-treated-mice-and-human-tm-1-cells
#16
Qian Liu, Yiming Ye, Xianchai Lin, Yangfan Yang, Kaili Wu, Minbin Yu
PURPOSE: 14-3-3 zeta protein plays a potential protective role in neurodegenerative disease. Given that glaucoma and neurodegenerative diseases share a similar pathogenesis, it is possible that 14-3-3 zeta may have a similar protective effect in the glaucomatous process. In the present study, we measured the expression of 14-3-3 zeta in vivo (mouse eyes) and in vitro in a transformed human trabecular meshwork (HTM) cell line, TM-1, and assessed the possible roles of this protein in dexamethasone (DEX)-treated eyes and HTM cells...
May 11, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28494071/correlation-between-dynamic-contour-tonometry-uncorrected-and-corrected-goldmann-applanation-tonometry-and-stage-of-glaucoma
#17
Josephine Wachtl, Marc Töteberg-Harms, Sonja Frimmel, Malgorzata Roos, Christoph Kniestedt
Importance: Accurate determination of intraocular pressure (IOP) is crucial for the diagnosis and management of glaucoma. Objective clinical evaluation of the correction equations for Goldmann applanation tonometry (GAT) is lacking. Objectives: To investigate the difference between corrected and conventional GAT and Pascal dynamic contour tonometry (DCT) measurements, as well as the correlation between discordant IOP values and stage of glaucoma. Design, Setting, and Participants: This prospective cross-sectional case series was conducted at the Department of Ophthalmology, University Hospital Zurich, and Talacker Eye Center between July 1, 2011, and May 31, 2016, among 112 white patients with glaucoma...
May 11, 2017: JAMA 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
#18
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 9, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28490427/effect-of-acute-intraocular-pressure-elevation-on-the-minimum-rim-width-in-normal-ocular-hypertensive-and-glaucoma-eyes
#19
Sourabh Sharma, Tin A Tun, Mani Baskaran, Eray Atalay, Sri Gowtham Thakku, Zhang Liang, Dan Milea, Nicholas G Strouthidis, Tin Aung, Michael Ja Girard
BACKGROUND: To estimate and compare changes in the Bruch's membrane opening-minimum rim width (BMO-MRW) and area in normal, ocular hypertensive and glaucoma eyes following acute elevations in intraocular pressure (IOP). METHODS: The optic nerve heads (ONHs) of 104 subjects (31 normals, 20 ocular hypertension (OHT) and 53 with primary glaucoma) were imaged using Spectral-domain optical coherence tomography (OCT; Spectralis, Heidelberg Engineering, Germany). IOP was raised twice by applying a force (0...
May 10, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28487632/nicotinamide-and-wld-s-act-together-to-prevent-neurodegeneration-in-glaucoma
#20
Pete A Williams, Jeffrey M Harder, Nicole E Foxworth, Brynn H Cardozo, Kelly E Cochran, Simon W M John
Glaucoma is a complex neurodegenerative disease characterized by progressive visual dysfunction leading to vision loss. Retinal ganglion cells are the primary affected neuronal population, with a critical insult damaging their axons in the optic nerve head. This insult is typically secondary to harmfully high levels of intraocular pressure (IOP). We have previously determined that early mitochondrial abnormalities within retinal ganglion cells lead to neuronal dysfunction, with age-related declines in NAD (NAD(+) and NADH) rendering retinal ganglion cell mitochondria vulnerable to IOP-dependent stresses...
2017: Frontiers in Neuroscience
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