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optical coherence tomography angiography

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https://www.readbyqxmd.com/read/28636065/automatic-motion-correction-for-in-vivo-human-skin-optical-coherence-tomography-angiography-through-combined-rigid-and-nonrigid-registration
#1
David Wei Wei, Anthony J Deegan, Ruikang K Wang
No abstract text is available yet for this article.
June 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28631244/optical-coherence-tomography-angiography-in-pre-perimetric-open-angle-glaucoma
#2
Gilda Cennamo, Daniela Montorio, Nunzio Velotti, Federica Sparnelli, Michele Reibaldi, Giovanni Cennamo
PURPOSE: To evaluate the diagnostic efficacy of optical coherence tomography (OCT) angiography, in patients with pre-perimetric open-angle glaucoma. METHODS: Thirty-eight consecutive eyes of 26 patients with pre-perimetric open-angle glaucoma and 48 normal eyes of 32 controls were included in this prospective study. We evaluated OCT angiography, spectral-domain OCT and visual fields parameters. Differences between controls and patients and between OCT angiography parameters and traditional glaucoma measurements were evaluated...
June 19, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28631180/microvascular-changes-after-vitrectomy-with-internal-limiting-membrane-peeling-an-optical-coherence-tomography-angiography-study
#3
Leonardo Mastropasqua, Enrico Borrelli, Paolo Carpineto, Lisa Toto, Luca Di Antonio, Peter A Mattei, Rodolfo Mastropasqua
PURPOSE: To evaluate superficial capillary plexus (SCP) changes occurring after internal limiting membrane (ILM) peeling for the treatment of idiopathic epiretinal membrane (ERM). METHODS: A total of 15 eyes of 15 patients affected by idiopathic ERM (eight males and seven females; mean age 59.8 ± 9.6 years) were enrolled in the study. Patients were treated with pars plana vitrectomy followed by ERM and ILM peeling. Subjects were evaluated at baseline and at the week-1 and month-1 follow-up visits...
June 19, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28629625/what-exactly-regression-of-atherosclerosis-or-foreign-body-reaction-with-hyaline-arteriosclerosis-drives-transient-scaffolding-of-coronary-arteries-a-pooled-analysis-of-observational-absorb-studies-with-a-serial-multimodality-imaging-substudy-of-absorb-cohort
#4
Alexander N Kharlamov, John A Feinstein, John A Cramer, John A Boothroyd
OBJECTIVES: We aimed to estimate the trends of the artery remodeling after transient scaffolding. BACKGROUND: At least 2.62% reduction of the per cent atheroma volume (PAV) or plaque burden (PB) performed in ABSORB B trial at 60months. METHODS: The detailed multiple serial imaging evaluation was performed by intravascular ultrasound (IVUS) in comparison with quantitative coronary angiography (QCA), multislice CT (MSCT) and optical coherence tomography (OCT) thru 24months in the ABSORB cohort B1 trial (n=45) with the pooled analysis in ABSORB A and B trials (n=131)...
June 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28628928/-accurate-oct-angiography-interpretation-detection-and-exclusion-of-artifacts
#5
Gabriele E Lang, Christian Enders, Max Loidl, Gerhard K Lang, Jens Ulrich Werner
Background Optical coherence tomography angiography (OCTA) provides, non-invasively, a three-dimensional visualization of the microvasculature of the retina and choroid. However, image artifacts may occur in OCTA and have an impact on clinical interpretation. The aim of this article is to describe image artifacts of OCTA and to present a nomenclature. Methods OCTA examinations were performed with the AngioPlex(™) OCTA-technology in combination with the CIRRUS HD-OCT 5000 (Carl Zeiss Meditec, Inc., Dublin, USA) as well as with the PlexElite 9000 (Carl Zeiss Meditec, Inc...
June 19, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28627046/donor-specific-antibodies-are-associated-with-micro-and-macrovascular-coronary-disease-restrictive-myocardial-damage-and-poor-outcome-in-heart-transplanted-patients
#6
Tor Skibsted Clemmensen, Pernille Koefoed-Nielsen, Lis-Ann Jensen, Steen Hvitfeldt Poulsen, Niels Ramsing Holm, Brian Bridal Løgstrup, Evald Høj Christiansen, Jouke Dijkstra, Kamilla Pernille Bjerre Valen, Hans Eiskjaer
AIMS: We examined the relationship between donor-specific HLA antibody (DSA) presence and graft function, hemodynamics, cardiac allograft vasculopathy (CAV), and major adverse cardiac events (MACE) in stable long-term heart-transplanted (HTx) patients. METHODS: Sera from 79 patients (median 7.5 years after HTx) were analyzed for DSA presence. Graft function was evaluated by echocardiography and right heart catheterization. CAV-burden was determined by coronary angiography, optical coherence tomography (OCT), and coronary flow velocity reserve (CFVR)...
June 19, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28626824/atypical-chronic-central-serous-chorioretinopathy-with-cystoid-macular-edema-therapeutic-response-to-medical-and-laser-therapy
#7
Jiun L Do, Lisa C Olmos de Koo, Hossein Ameri
PURPOSE: To describe an atypical case of chronic central serous chorioretinopathy (CSCR). METHODS: A 58-year-old man with longstanding, bilateral visual impairment was self-referred for a second opinion. RESULTS: Findings by direct ophthalmoscopy, optical coherence tomography, fluorescein angiography, and fundus autofluorescence (FAF) were suggestive of atypical, chronic CSCR. Treatment with oral anti-mineralocorticoids resulted in moderate improvement, and photodynamic therapy (PDT) had minimal effect...
June 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28622398/axial-length-variation-impacts-on-superficial-retinal-vessel-density-and-foveal-avascular-zone-area-measurements-using-optical-coherence-tomography-angiography
#8
Danuta M Sampson, Peijun Gong, Di An, Moreno Menghini, Alex Hansen, David A Mackey, David D Sampson, Fred K Chen
Purpose: To evaluate the impact of image magnification correction on superficial retinal vessel density (SRVD) and foveal avascular zone area (FAZA) measurements using optical coherence tomography angiography (OCTA). Methods: Participants with healthy retinas were recruited for ocular biometry, refraction, and RTVue XR Avanti OCTA imaging with the 3 × 3-mm protocol. The foveal and parafoveal SRVD and FAZA were quantified with custom software before and after correction for magnification error using the Littman and the modified Bennett formulae...
June 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28620652/visual-and-morphologic-outcomes-in-eyes-with-hard-exudate-in-the-comparison-of-age-related-macular-degeneration-treatments-trials
#9
Ebenezer Daniel, Juan E Grunwald, Benjamin J Kim, Maureen G Maguire, Glenn J Jaffe, Cynthia A Toth, Frederick L Ferris, Daniel F Martin, James Shaffer, Gui-Shuang Ying
PURPOSE: To compare baseline characteristics, visual acuity (VA) and morphological outcomes between eyes with baseline hard exudates (HE) and all other eyes among patients with neovascular age-related macular degeneration (NVAMD) treated with anti-vascular endothelial growth factors (anti-VEGF). DESIGN: Prospective cohort study within the Comparison of Age-Related Macular Degeneration Treatments Trials (CATT). PARTICIPANTS: Patients with NVAMD...
January 2017: Ophthalmology retina
https://www.readbyqxmd.com/read/28617926/author-response-gap-in-capillary-perfusion-on-optical-coherence-tomography-angiography
#10
Kotaro Tsuboi, Motohiro Kamei
No abstract text is available yet for this article.
June 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28617925/gap-in-capillary-perfusion-on-optical-coherence-tomography-angiography
#11
Wenbin Huang, Xiangyin Sha
No abstract text is available yet for this article.
June 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28617921/optical-coherence-tomography-angiography-based-capillary-velocimetry
#12
Ruikang K Wang, Qinqin Zhang, Yuandong Li, Shaozhen Song
No abstract text is available yet for this article.
June 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28616362/assessing-the-accuracy-of-foveal-avascular-zone-measurements-using-optical-coherence-tomography-angiography-segmentation-and-scaling
#13
Rachel Linderman, Alexander E Salmon, Margaret Strampe, Madia Russillo, Jamil Khan, Joseph Carroll
PURPOSE: The foveal avascular zone (FAZ) is altered in numerous diseases. We assessed factors (axial length, segmentation method, age, sex) impacting FAZ measurements from optical coherence tomography (OCT) angiography images. METHODS: We recruited 116 Caucasian subjects without ocular disease, and acquired two 3 × 3 mm AngioVue scans per each right eye (232 total scans). In images of the superficial plexus, the FAZ was segmented using the AngioVue semiautomatic nonflow measurement tool and ImageJ manual segmentation...
June 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28616258/the-comparison-of-multimodal-imaging-findings-of-central-serous-chorioretinopathy-patients-in-regard-to-the-early-anatomically-treatment-response-to-half-fluence-photodynamic-therapy-a-retrospective-case-control-study
#14
Abdullah Ozkaya, Ruveyde Garip, Zeynep Alkin, Muhittin Taskapili
BACKGROUND: To compare the multimodal imaging findings of chronic central serous chorioretinopathy (CSC) patients who are good or poor responders to low-fluence photodynamic therapy (PDT). METHODS: Retrospective, interventional comparative study. The CSC patients who were admitted to our clinic for the first time between January 2013 and December 2015 were included in the study. Patients were treated with PDT only if they did not show any sign of resolution after at least 6 months from the initial signs of the disease...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28614139/multiple-evanescent-white-dot-syndrome-with-subretinal-deposits
#15
Orly Gal-Or, John A Sorenson, Sarra Gattoussi, Rosa Dolz-Marco, K Bailey Freund
PURPOSE: To describe the multimodal imaging findings of transient subretinal deposits occurring in multiple evanescent white dot syndrome (MEWDS). METHODS: The multimodal imaging characteristics of transient subretinal deposits occurring in MEWDS were investigated with ultra-widefield color and fundus autofluorescence, cross-sectional and en-face optical coherence tomography (OCT), en face OCT-angiography, and quantitative autofluorescence. RESULTS: A 28-year-old woman presented with photopsia and temporal visual field loss in her right eye...
June 13, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28614137/swept-source-optical-coherence-tomography-angiography-in-rickettsial-retinitis
#16
Rim Kahloun, Bechir Jelliti, Imen Ksiaa, Hager Ben Amor, Sonia Zaouali, Marco Lupidi, Salim Ben Yahia, Moncef Khairallah
PURPOSE: To report optical coherence tomography angiography findings in a patient with rickettsial retinitis. METHODS: A 29-year-old man complaining of acute blurring vision in the right eye associated with Rickettsia conorii infection underwent a comprehensive ocular examination, fluorescein angiography, spectral-domain optical coherence tomography, and swept-source optical coherence tomography angiography. RESULTS: Funduscopy showed two large areas of retinitis in the inferior macula along the distribution of the inferotemporal artery with associated retinal hemorrhages, retinal edema, and serous retinal detachment...
June 13, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28613361/optical-coherence-tomography-angiography-of-venous-loops-in-diabetic-retinopathy
#17
Chiara Giuffrè, Adriano Carnevali, Maria Vittoria Cicinelli, Lea Querques, Giuseppe Querques, Francesco Bandello
Venous loops are relatively rare manifestations of diabetic retinopathy. The authors describe a case characterized by the development of a venous loop during a 3-year period. Optical coherence tomography angiography (OCTA) revealed a hyperintense signal from the lesion, attesting an ordinary flow into the venous loop. OCTA also showed an area of capillary loss in proximity of the lesion, which is in agreement with the proposed pathogenesis for venous loops, developed to bypass an area of retinal vessels occlusion...
June 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28613359/octa-imaging-of-choroidal-neovascular-membrane-secondary-to-toxoplasma-retinochoroiditis
#18
Fatih Mehmet Türkcü, Alparslan Şahin, Harun Yüksel, Muhammed Şahin, Ümit Karaalp
Two patients (a 37-year-old man and a 28-year-old woman) who had choroidal neovascular membrane (CNVM) secondary to inactive toxoplasma retinochoroiditis scarring were evaluated. Multimodal imaging including fluorescein angiography, optical coherence tomography (OCT), and OCT angiography (OCTA) was used. CNVM secondary to inactive toxoplasma retinochoroiditis scarring was detected. Representative images of CNVM were demonstrated in the outer retinal layer and choriocapillary layer on OCTA. OCTA, a relatively new technique, is useful in the diagnosis of the CNVMs secondary to retinochoroiditis...
June 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28613358/oct-angiography-assessment-of-retinal-ischemia-in-susac-s-syndrome
#19
Karina Spiess, Jesús Ramón García Martínez
Descriptive study of two patients affected by Susac's syndrome (SuS) focusing on the chronic retinal tissue damage assessed by optical coherence tomography (OCT) and OCT angiography (OCTA). To the authors' knowledge, this is the first case series reporting OCTA in SuS. OCTA imaging revealed secondary hypoxia due to branch retinal artery occlusion of the deep capillary plexus, with additional involvement of the superficial capillary network in one case. OCTA is a noninvasive and quick diagnostic tool for detecting hypoxic retinal damage in SuS...
June 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28613357/optical-coherence-tomography-angiography-in-the-multimodal-imaging-evaluation-of-interferon-associated-retinopathy-a-case-report
#20
Leonardo Mastropasqua, Enrico Borrelli, Francesco Amodei, Agbeanda Aharrh-Gnama, Lisa Toto, Peter A Mattei, Rodolfo Mastropasqua
The authors present the case of a 59-year-old woman in treatment with interferon alfa-2b for stage IV melanoma and widespread metastases who presented with interferon-associated retinopathy. An ocular examination revealed multiple retinal cotton-wool spots and hard exudates. Interferon treatment was suspended. The patient was followed up for 5 months following the baseline visit by means of en face optical coherence tomography (OCT), spectral-domain OCT, and OCT angiography. Multimodal imaging was useful in the follow-up of this condition, permitting the characterization of all the lesions hallmarking the interferon-retinopathy and showing that this illness was related to a reduction of the retinal vascular perfusion...
June 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
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