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Effect of Smoking on Retinal Thickness and Vascular Density in Thyroid Eye Disease
Mansooreh Jamshidian-Tehrani,Abolfazl Kasaei,Zahra Mahdizad,Masoud Aghsaei Fard,Mehdi Aminizade 대한안과학회 2021 Korean Journal of Ophthalmology Vol.35 No.5
Purpose: To evaluate the effect of smoking on retinal thickness and macular and peripapillary vascular density in thyroid eye disease (TED). Methods: In this cross-sectional study, subjects diagnosed with TED were analyzed in three groups: smokers, passive smokers, and non-smokers. Ganglion cell complex thickness, total retinal thickness, macular superficial vascular plexus densities, deep vascular plexus densities, optic nerve head, and radial peripapillary capillary density were measured in each group. Results: Twenty-two eyes (21.6%) of active smokers, 11 eyes (10.8%) of passive smokers, and 69 eyes (67.6%) of non-smokers constitute the study subjects. Twenty-one eyes (12.6%) had active status (clinical activity score ≥3), 77 eyes (46.1%) were neither active nor compressive, four eyes (2.4%) of two patients constituted the compressive group. Age and disease activity adjusted analysis was performed. Ganglion cell complex thickness of smokers was significantly higher than non-smokers in the inferior hemi-parafoveal sector (p = 0.04). Active smokers had significantly higher (p < 0.01) retinal thickness in all sectors compared to non-smokers, except the foveal sector. Smokers had lower superficial vessel density in the superior parafoveal sector compared to non-smokers (p = 0.04). Considering deep vessel densities between smokers and non-smokers, no significant difference was observed. Radial peripapillary capillary densities (significant difference was observed in the whole image and infranasal peripapillary sector), Macular vascular densities (significant difference was observed in parafoveal sectors), and optic nerve head (not reaching statistical significance level in any sectors) were highest in passive smokers. Conclusions: Smoking is associated with increased total retinal thickness. Macular vascular densities were not different between smokers and non-smokers in TED.
Bentolhoda Hadavi Moghadam,Shohreh Kasaei,A. K. Haghi 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2017 NANO Vol.12 No.11
In this study, a novel technique for measuring the thickness of electrospun nanofibrous mat based on image analysis techniques is proposed. The thicknesses of electrospun polyacrylonitrile (PAN), polyvinyl alcohol (PVA), and polyurethane (PU) nanofibrous mats are calculated using depth estimation in different views. The images are captured by a fixed scanning electron microscope(SEM) where the mat sample is rotated by 15° , 30° , and 45° angles. By calculating the disparity value (the distance between two corresponding points in two images), the relative depth of images and consequently the thickness of nanofibrous mat are obtained. Furthermore, the thickness of three electrospun mats are measured from the cross-section view of the nanofibrous mat by scanning the electron microscopy. A close agreement between results obtained by this method at low angle views (15° ) and the direct thickness measurement obtained from the cross-section view is achieved. Comparison of the average thickness from the direct measurement and the proposed method for different samples exhibits a linear relationship with the high regression coefficient of 0.96. By using the proposed method, the quantitative evaluation of the thickness measurement becomes feasible over the entire surface of electrospun mats.
A form of the metabolic syndrome associated with mutations in DYRK1B.
Keramati, Ali R,Fathzadeh, Mohsen,Go, Gwang-Woong,Singh, Rajvir,Choi, Murim,Faramarzi, Saeed,Mane, Shrikant,Kasaei, Mohammad,Sarajzadeh-Fard, Kazem,Hwa, John,Kidd, Kenneth K,Babaee Bigi, Mohammad A,Ma Massachusetts Medical Society 2014 The New England journal of medicine Vol.370 No.20
<P>Genetic analysis has been successful in identifying causative mutations for individual cardiovascular risk factors. Success has been more limited in mapping susceptibility genes for clusters of cardiovascular risk traits, such as those in the metabolic syndrome.</P>