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Panretinal laser photocoagulation

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https://www.readbyqxmd.com/read/29744753/correction-to-electroretinogram-evaluation-for-the-treatment-of-proliferative-diabetic-retinopathy-by-short-pulse-pattern-scanning-laser-panretinal-photocoagulation
#1
Haiyun Ye, Minzhong Yu, Lin Lu, Chenjin Jin, Guangwei Luo
The published online version contains incorrect data in Table 2 caption. Argon should not be mentioned in the caption as this is not used in this paper.
April 28, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29542045/electroretinogram-evaluation-for-the-treatment-of-proliferative-diabetic-retinopathy-by-short-pulse-pattern-scanning-laser-panretinal-photocoagulation
#2
Haiyun Ye, Minzhong Yu, Lin Lu, Chenjin Jin, Guangwei Luo
Panretinal photocoagulation (PRP) is a standard method for proliferative diabetic retinopathy (PDR) treatment. However, conventional PRP usually significantly damages the retinal structure and vision. Retinal pattern scanning laser (PASCAL) photocoagulation has emerged as a new technique with fewer complications for the treatment of retinal disorders. This study compares the therapeutic effects of short-pulse PASCAL to conventional single-spot PRP for PDR. Fifty-two PDR patients (104 eyes) were randomly assigned into a short-pulse PASCAL-PRP treatment (SP) group and a conventional PRP treatment (TP) group...
March 15, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29492689/effects-of-intravitreal-injection-of-ranibizumab-on-choroidal-structure-and-blood-flow-in-eyes-with-diabetic-macular-edema
#3
Masahiro Okamoto, Mariko Yamashita, Nahoko Ogata
PURPOSE: To determine the effects of an intravitreal injection of ranibizumab (IVR) on the choroidal structure and blood flow in eyes with diabetic macular edema (DME). METHODS: Twenty-eight consecutive patients with DME who received an IVR and 20 non-diabetic, age-matched controls were followed for 1 month. The eyes with DME were divided into those with prior panretinal photocoagulation (PRP, n = 16) and those without prior PRP (no-PRP, n = 12). The enhanced depth imaging optical coherence tomography (EDI-OCT) scans and Niblack's image binarization were performed to determine the choroidal structure...
May 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29391774/subthreshold-microsecond-laser-for-proliferative-diabetic-retinopathy-a-randomized-pilot-study
#4
Mahima Jhingan, Abhilash Goud, Hari Kumar Peguda, Mitali Khodani, Jeffrey K Luttrull, Jay Chhablani
Aim: To compare the outcomes of subthreshold microsecond (STM) and continuous-wave laser (CWL) panretinal photocoagulation (PRP). Methods: In this randomized, prospective, pilot study, 20 eyes of 10 subjects with symmetric severe non-proliferative (NPDR) or low-risk proliferative diabetic retinopathy (PDR) were included. Each eye of the subject was randomized into either CWL or STM PRP group. Patients were evaluated at baseline and at months 3, 6, and 9 with color fundus photographs and visual field tests at each visit; however, electroretinography (ERG) was conducted at baseline and at month 9...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29344492/bilateral-hypopyon-uveitis-in-chronic-myeloid-leukemia
#5
Mudit Tyagi, Vishal Govindhari, Rajeev R Pappuru, Vikas Ambiya
Background: A leukemic hypopyon is considered an early sign of central nervous system involvement or systemic relapse. A differential diagnosis of masquerade syndromes should be considered in cases of hypopyon uveitis that are atypical or unresponsive to treatment. We report a case of a 45-year-old man who presented with bilateral hypopyon uveitis and was subsequently diagnosed as having chronic myeloid leukemia. Method: Retrospective case review. Results: A 45-year-old diabetic male presented with diminished vision in both eyes for 10 days...
December 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29258460/a-case-of-proliferative-diabetic-retinopathy-in-which-scintillating-particles-appeared-in-the-intravitreal-cavity-after-laser-photocoagulation
#6
Ryohsuke Kohmoto, Takatoshi Kobayashi, Takaki Sato, Daisaku Kimura, Masanori Fukumoto, Kensuke Tajiri, Teruyo Kida, Tsunehiko Ikeda
BACKGROUND: To report a case of proliferative diabetic retinopathy (PDR) exhibiting the appearance of scintillating particles presumed to be crystallin inside the intravitreal cavity after laser photocoagulation. CASE PRESENTATION: A 56-year-old male patient presented at our outpatient clinic after becoming aware of decreased vision in his right eye. Ocular examination performed at the patient's initial visit revealed a massive preretinal macular hemorrhage due to PDR in his right eye...
December 19, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29204993/update-on-the-use-of-anti-vegf-intravitreal-therapies-for-retinal-vein-occlusions
#7
REVIEW
Yi Jiang, William F Mieler
The use of anti-vascular endothelial growth factor (VEGF) therapy in ophthalmology has profoundly changed our management and treatment of conditions such as cystoid macular edema, diabetic macular edema, choroidal neovascularization, and other proliferative retinopathies. Although initially used for the treatment of choroidal neovascularization in neovascular age-related macular degeneration, their application has spread rapidly for other indications as their outcomes have often outperformed previously existing treatments...
November 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/29193789/temporal-changes-in-retinal-vascular-parameters-associated-with-successful-panretinal-photocoagulation-in-proliferative-diabetic-retinopathy-a-prospective-clinical-interventional-study
#8
Thomas Lee Torp, Ryo Kawasaki, Tien Yin Wong, Tunde Peto, Jakob Grauslund
PURPOSE: We aimed to investigate changes in retinal vascular geometry over time after panretinal photocoagulation (PRP) in patients with proliferative diabetic retinopathy (PDR). METHODS: Thirty-seven eyes with PDR were included. Wide-field fluorescein angiography (Optomap, Optos PLC., Dunfermline, Scotland, UK) was used to diagnose PDR at baseline and to assess activity at follow-up month three and six. At each time-point, a trained grader measured retinal vessel geometry on optic disc (OD) centred images using semiautomated software (SIVA, Singapore I Vessel Assessment, National University of Singapore, Singapore) according to a standardized protocol...
November 29, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29172937/panretinal-photocoagulation-a-review-of-complications
#9
REVIEW
Shivani V Reddy, Deeba Husain
Panretinal photocoagulation (PRP) is a mainstay of therapy for retinal ischemic disease. The procedure involves creating thermal burns in the peripheral retina leading to tissue coagulation, the overall consequence of which is improved retinal oxygenation. While highly effective, there have been concerns historically regarding the anatomic effects and visual complications following PRP, the most common of which include choroidal effusions, exudative retinal detachments, macular edema, visual field deficits, and night vision defects...
2018: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/29121367/idiopathic-retinal-vasculitis-aneurysms-and-neuroretinitis-syndrome-presenting-with-branch-retinal-artery-occlusion
#10
Jennifer A Zacharia, Adam T Chin, Carl B Rebhun, Ricardo N Louzada, Mehreen Adhi, Emily D Cole, Carlos Moreira-Neto, Nadia K Waheed, Jay S Duker
Idiopathic retinal vasculitis, aneurysms, and neuroretinitis (IRVAN) is a rare syndrome affecting the retinal and optic disc vasculature. Diffuse retinal ischemia, macular edema, and neovascularization may lead to bilateral vision loss. The authors report a case of a 36-year-old woman presenting with branch retinal artery occlusion (BRAO) in her right eye who was subsequently diagnosed with IRVAN syndrome. She was treated with panretinal photocoagulation for peripheral retinal ischemia and pars plana vitrectomy for vitreous hemorrhage...
November 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29121359/single-spot-yellow-laser-versus-conventional-green-laser-on-panretinal-photocoagulation-patient-pain-scores-and-preferences
#11
RANDOMIZED CONTROLLED TRIAL
Gerardo González-Saldivar, Sergio Rojas-Juárez, Itzel Espinosa-Soto, Jorge Sánchez-Ramos, Noel Jaurieta-Hinojosa, Abel Ramírez-Estudillo
BACKGROUND AND OBJECTIVE: Panretinal photocoagulation (PRP) is the mainstay therapy for proliferative diabetic retinopathy. Pain during and after its application is a complication that affects patients' therapeutic adherence. This study aimed to compare pain perception and patient preference for the 577-nm yellow laser (YL-577) (LIGHTL as 577; LIGHTMED, San Clemente, CA) and the conventional 532-nm green laser (GL-532) (Purepoint Laser; Alcon, Fort Worth, TX) with PRP. PATIENTS AND METHODS: A total of 92 patient eyes with proliferative diabetic retinopathy treated with PRP were randomly assigned to receive both GL-532 and YL-577 (184 eyes) - one on each eye, with the order of application randomized, as well...
November 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29098298/photocoagulation-of-the-retinal-nonperfusion-area-prevents-the-expression-of-the-vascular-endothelial-growth-factor-in-an-animal-model
#12
Makoto Gozawa, Yoshihiro Takamura, Seiji Miyake, Takehiro Matsumura, Masakazu Morioka, Yutaka Yamada, Masaru Inatani
Purpose: The purpose of this study was to evaluate whether photocoagulation of the retinal nonperfusion area suppresses ocular vascular endothelial growth factor (VEGF) expression in a rabbit retinal vein occlusion (RVO) model. Methods: The retinas of pigmented rabbits were made ischemic by a laser on the main branch of retinal veins following intravenous injection of Rose Bengal. The eyes were enucleated before treatment and at 1, 7, and 14 days after laser occlusion...
November 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29074011/analysis-of-reasons-for-noncompliance-with-laser-treatment-in-patients-of-diabetic-retinopathy
#13
Wen Hua, Sijia Cao, Jing Cui, David Maberley, Joanne Matsubara
OBJECTIVE: To identify the underlying reasons for noncompliance among Chinese patients undergoing laser photocoagulation treatment for diabetic retinopathy (DR). DESIGN: Prospective cohort study. PARTICIPANTS: A total of 262 patients with DR with indications for panretinal photocoagulation and focal laser treatment were recruited. METHODS: Those who did not complete the prescribed laser treatment were categorized into 2 types of defaulters: Type 1 defaulters were those who did not initiate laser treatment as scheduled; type 2 defaulters were those who did not complete the entire laser sessions, including terminating midterm or defaulting prompt supplement of laser treatment...
November 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/29020428/improvement-of-recalcitrant-diabetic-macular-edema-after-peritoneal-dialysis
#14
Sally S Ong, Akshay S Thomas, Sharon Fekrat
Nephropathy may be an independent and contributory risk factor for diabetic macular edema (DME). A 69-year-old man who had previously been treated with panretinal laser photocoagulation for proliferative diabetic retinopathy as well as with steroid and anti-vascular endothelial growth factor injections for DME declined additional treatment for the DME, which was worse in the right eye. The DME was observed without further treatment for the next 36 months. Despite well-controlled blood sugar, blood pressure, and lipid levels, the DME remained unchanged...
October 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28937857/evaluation-of-retinal-blood-flow-before-and-after-panretinal-photocoagulation-using-pattern-scan-laser-for-diabetic-retinopathy
#15
Yoshihisa Yamada, Kiyoshi Suzuma, Naoko Onizuka, Masafumi Uematsu, Yasser Helmy Mohamed, Takashi Kitaoka
PURPOSE: Laser speckle flowgraphy (LSFG) can measure blood flow in the ocular fundus. We analyzed the relationship between retinal blood flow and panretinal photocoagulation (PRP) in diabetic retinopathy. METHODS: This retrospective observational study examined the eyes of 35 patients with proliferative diabetic retinopathy (PDR) or non-PDR (NPDR). PRP was performed using a pattern scan laser. Using LSFG, blood flow was evaluated as the mean blur rate (MBR) or the relative flow volume (RFV)...
September 22, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28790803/the-outcome-of-low-frequency-intravitreal-bevacizumab-therapy-for-macular-edema-in-retinal-vein-occlusions
#16
Biljana Ivanovska Adjievska, Salih Boskurt, Nikola Orovcanec, Vesna Dimovska-Jordanova
AIM: We aimed to evaluate the 1-year efficacy and safety of low-frequency intravitreal bevacizumab in the treatment of macular edema due to retinal vein occlusions (RVOs). METHODS: The study comprised an interventional prospective study of patients with macular edema due to central retinal vein occlusion (CRVO) or branch retinal vein occlusion, followed for 12 months. Treatment-naïve patients with reduced best-corrected visual acuity (BCVA) and central macular thickness (CMT) of at least 250 μm received intravitreal injection of bevacizumab...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28765148/changes-in-retinal-venular-oxygen-saturation-predict-activity-of-proliferative-diabetic-retinopathy-3-months-after-panretinal-photocoagulation
#17
Thomas Lee Torp, Ryo Kawasaki, Tien Yin Wong, Tunde Peto, Jakob Grauslund
BACKGROUND/AIMS: Proliferative diabetic retinopathy (PDR) is a severe blinding condition. We investigated whether retinal metabolism, measured by retinal oximetry, may predict PDR activity after panretinal laser photocoagulation (PRP). METHODS: We performed a prospective, interventional, clinical study of patients with treatment-naive PDR. Wide-field fluorescein angiography (OPTOS, Optomap) and global and focal retinal oximetry (Oxymap T1) were performed at baseline (BL), and 3 months (3M) after PRP...
March 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28761761/panretinal-photocoagulation-using-short-pulse-laser-induces-less-inflammation-and-macular-thickening-in-patients-with-diabetic-retinopathy
#18
Yoshihiro Takamura, Shogo Arimura, Seiji Miyake, Takehiro Matsumura, Makoto Gozawa, Kentaro Iwasaki, Masaru Inatani
We compared the effect of panretinal photocoagulation (PRP) using short-pulse laser (SPL) and conventional laser, regardless of the number of spots, in terms of their effect on the progression of diabetic macular edema (DME) and anterior flare intensity (AFI) in patients with high-risk nonproliferative diabetic retinopathy (non-PDR). Forty-two eyes of 42 patients were subjected to PRP using the conventional argon laser (Conv group) or SPL (SPL group). CRT and AFI levels in the SPL group were significantly lower than those in the Conv group (CRT at 4, 6, and 10 weeks; AFI at 6, 10, and 18 weeks)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28570735/accuracy-of-billing-codes-used-in-the-therapeutic-care-of-diabetic-retinopathy
#19
MULTICENTER STUDY
Marisa Lau, Jonathan L Prenner, Alexander J Brucker, Brian L VanderBeek
Importance: Insurance billing claim databases represent a growing field of scientific inquiry within ophthalmology. Validating the accuracy of billing claim codes used during the care of diabetic retinopathy is a necessary precursor to fully understanding the underlying data and subsequent results of these types of studies. Objective: To determine the accuracy of diagnostic, procedural, and therapeutic billing codes used in the treatment of diabetic retinopathy...
July 1, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28570733/results-of-a-randomized-clinical-trial-of-aflibercept-vs-panretinal-photocoagulation-for-proliferative-diabetic-retinopathy-is-it-time-to-retire-your-laser
#20
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