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https://www.readbyqxmd.com/read/28813577/spatial-correspondence-between-intraretinal-fluid-subretinal-fluid-and-pigment-epithelial-detachment-in-neovascular-age-related-macular-degeneration
#1
Sophie Klimscha, Sebastian M Waldstein, Thomas Schlegl, Hrvoje Bogunovic, Amir Sadeghipour, Ana-Maria Philip, Dominika Podkowinski, Eleonore Pablik, Li Zhang, Michael D Abramoff, Milan Sonka, Bianca S Gerendas, Ursula Schmidt-Erfurth
Purpose: To identify the spatial distribution of exudative features of choroidal neovascularization in neovascular age-related macular degeneration (nAMD) based on the localization of intraretinal cystoid fluid (IRC), subretinal fluid (SRF), and pigment-epithelial detachment (PED). Methods: This retrospective cross-sectional study included spectral-domain optical coherence tomography volume scans (6 × 6 mm) of 1341 patients with treatment-naïve nAMD. IRC, SRF, and PED were detected on a per-voxel basis using fully automated segmentation algorithms...
August 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28813524/medical-student-nursing-student-and-non-health-care-respondents-implicit-attitudes-toward-doctors-and-patients-development-and-a-pilot-study-of-a-new-implicit-attitudes-test-iat
#2
Alan Schwartz, Abdelhamid Mazouni
INTRODUCTION: Medical educators have been concerned that medical students may decline in empathy for patients during the course of their training, based on studies measuring clinical empathy using psychometrically strong self-report measures. Clinical empathy is a complex construct, incorporating attitudes toward patients but also other components, such as professional detachment. Triangulation of extant measures with instruments based on nonreactive methods could provide a better understanding of whether and how physician attitudes toward patients may be changing during training...
2017: PloS One
https://www.readbyqxmd.com/read/28812530/feline-herpesvirus-pneumonia-investigations-into-the-pathogenesis
#3
Josep Maria Monne Rodriguez, Gail Leeming, Kernt Köhler, Anja Kipar
Feline herpesvirus type 1 (FeHV-1) is one of the etiological agents of feline respiratory disease. FeHV-1 is an epitheliotropic and cytopathic virus that mainly causes rhinitis and conjunctivitis, although pneumonia is also occasionally seen. In this study, the authors investigated the pathogenesis of FeHV-1-associated pneumonia, comparing natural cases with viral infection of tracheal ring and cell cultures in vitro, using histology, immunohistology, double immunofluorescence, and transmission electron microscopy as investigative tools...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28812144/-trends-in-ablation-surgery-what-has-changed-compared-to-2001
#4
C V Fischer, M Kulanga, H Hoerauf
INTRODUCTION: In 2001 a survey among retinal surgeons regarding the treatment of rhegmatogenous retinal detachment either with scleral buckling methods or primary vitrectomy was performed. Due to the technical progress of vitrectomy and observational systems, it seemed appropriate to renew and update this survey supplemented with current aspects. METHODS: In this study 78 vitreoretinal surgeons from German-speaking countries were surveyed via an anonymous online questionnaire on their treatment decisions for defined retinal detachment constellations...
August 15, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28811846/some-mushrooms-are-hard-to-digest-gastrostomy-tube-exchange
#5
Nishant Gupta, Pradeep Goyal, Itisha Bansal, Kusum Hooda, Yogesh Kumar, Gregory Bearden
BACKGROUND: Percutaneous endoscopic gastrostomy (PEG) is an effective and safe mode of enteral nutrition for patients needing chronic enteric nutritional support. Exchanging PEG tubes may result in complications due to inexperience as well as due to lack of protocol. CASE REPORT: We encountered a 73 year-old female with unnoticed, accidently detached portion of the internal bumper of a PEG tube in the gastric lumen after a challenging gastrostomy tube exchange. CONCLUSIONS: This case report discusses the complications associated with gastrostomy tube exchange and proposes a planned protocol for successful gastrostomy tube exchange...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28810970/completion-of-a-veteran-focused-civic-service-program-improves-health-and-psychosocial-outcomes-in-iraq-and-afghanistan-veterans-with-a-history-of-traumatic-brain-injury
#6
Karen A Lawrence, Monica M Matthieu, Emma Robertson-Blackmore
INTRODUCTION: Volunteering as a health promotion intervention is positively related to improved health and well-being in civilians and older adults. Yet, the impacts of participating in a community-based volunteering program on returning military veterans have not been studied, nor have the outcomes for veterans who have experienced a traumatic brain injury (TBI). MATERIALS AND METHODS: This observational, pre-post survey examines health, psychological, and social outcomes from a cohort of post-9/11/01 veterans with (N = 67) and without a reported TBI history (N = 273) who completed a 6-month, 20-hour per week veteran-focused civic service program...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810446/physical-recovery-mental-detachment-and-sleep-as-predictors-of-injury-and-mental-energy
#7
Yannick A Balk, Jan de Jonge, Wido Gm Oerlemans, Sabine Ae Geurts
Although sports activities are generally considered beneficial to people's health and well-being, they can cause injuries and increased fatigue. Guided by the Demand-Induced Strain Compensation Recovery Model, this study hypothesized that physical recovery and mental detachment from sport-related activities would prevent injury and enhance mental energy. A cross-sectional survey study was conducted among 161 recreational athletes. Structural equation modelling analyses showed that mental detachment was negatively associated with injury and positively associated with mental energy...
May 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28810046/aspergillus-endophthalmitis-resulting-in-development-of-retinal-aspergilloma
#8
Lee Kiang, Ashkan Pirouz, Scott Grant, Sean D Adrean, Mehrdad Malihi, Phoebe Lin
A 78-year-old immunocompetent man presented with a 3-month history of painless decreased vision and panuveitis with a macular lesion presumed to be due to endogenous endophthalmitis. He had been treated with systemic, intravenous, and intravitreal antibiotics and antifungal agents as well as intravitreal steroids. A culture from a prior vitrectomy had grown a single colony of Aspergillus thought to be a contaminant. The macular lesion enlarged and caused a tractional retinal detachment. The patient underwent surgery including resection of what appeared to be an invasive retinal aspergilloma, from which polymerase chain reaction and histopathology confirmed Aspergillus fumigatus...
August 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28809538/dynamic-covalent-hydrogels-for-triggered-cell-capture-and-release
#9
Fatemeh Karimi, Joe Collins, Daniel E Heath, Luke A Connal
A dual-responsive, cell capture and release surface was prepared through the incorporation of phenylboronic acid (PBA) groups into an oxime-based polyethylene glycol (PEG) hydrogel. Owing to its PEG-like properties, the unfunctionalized hydrogel was non-fouling. The use of the highly efficient oxime-click chemistry allows for the facile incorporation of commercially available 3,5-diformylphenyl boronic acid into the hydrogel matrix. Thus, the surface properties of the hydrogel were modified to enable reversible cell capture and release...
August 15, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28809530/steering-surface-reaction-at-specific-sites-with-self-assembly-strategy
#10
Xiong Zhou, Fabian Bebensee, Mingmei Yang, Regine Bebensee, Fang Cheng, Yang He, Qian Shen, Jian Shang, Zhirong Liu, Flemming Besenbacher, Trolle R Linderoth, Kai Wu
To discern the catalytic activity of different active sites, self-assembly strategy is applied to confine the involved species which are "attached" to specific surface sites. The employed probe reaction system is the Ullmann coupling of 4-bromobiphenyl, C6H5C6H4Br, on atomically flat Ag(111) surface, which is explored by combined scanning tunneling microscopy, synchrotron X-ray photoelectron spectroscopy and density functional theory calculations. The catalytic cycle involves the detachment of the Br atom from the initial reactant to form an organometallic intermediate, C6H5C6H4AgC6H4C6H5, which subsequently self-assembles with its central Ag atom residing either on two-fold bridge or three-fold hollow sites at full coverage...
August 15, 2017: ACS Nano
https://www.readbyqxmd.com/read/28808764/high-resolution-3-t-mri-of-the-triangular-fibrocartilage-complex-in-the-wrist-injury-pattern-and-mr-features
#11
Huili Zhan, Huibo Zhang, Rongjie Bai, Zhanhua Qian, Yue Liu, Heng Zhang, Yuming Yin
OBJECTIVES: To investigate if using high-resolution 3-T MRI can identify additional injuries of the triangular fibrocartilage complex (TFCC) beyond the Palmer classification. MATERIALS AND METHODS: Eighty-six patients with surgically proven TFCC injury were included in this study. All patients underwent high-resolution 3-T MRI of the injured wrist. The MR imaging features of TFCC were analyzed according to the Palmer classification. RESULTS: According to the Palmer classification, 69 patients could be classified as having Palmer injuries (52 had traumatic tears and 17 had degenerative tears)...
August 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28808624/possibilities-for-arthroscopic-treatment-of-the-ageing-sternoclavicular-joint
#12
Martin Rathcke, Jørgen Tranum-Jensen, Michael Rindom Krogsgaard
AIM: To investigate if there are typical degenerative changes in the ageing sternoclavicular joint (SCJ), potentially accessible for arthroscopic intervention. METHODS: Both SCJs were obtained from 39 human cadavers (mean age: 79 years, range: 59-96, 13 F/26 M). Each frozen specimen was divided frontally with a band saw, so that both SCJs were opened in the same section through the center of the discs. After thawing of the specimens, the condition of the discs was evaluated by probing and visual inspection...
July 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28808327/spontaneous-detachment-of-streptococcus-mutans-biofilm-by-synergistic-effect-between-zwitterion-and-sugar-alcohol
#13
Jong Hyun Lim, Sang-Hun Song, Hyun-Sub Park, Jeong Rae Lee, Sang-Min Lee
A biofilm, a community of microorganisms, is highly resistant to antibiotics, resulting in massive losses in various areas. We herein present a strategy to remove Streptococcus mutans biofilms through a spontaneous exfoliation by the synergistic effect between zwitterion and sugar alcohols. It is assumed that the anionic site of zwitterion can be coupled with sugar alcohols and the cationic site remains in the state of lacking electrons. The cationic site allows the complexes to be delivered to negatively charged exopolysaccharides of biofilms...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807798/clinically-undetected-retinal-breaks-causing-retinal-detachment-options-for-management
#14
REVIEW
Deepak Gupta, Jared Ching, Paul E Tornambe
The successful detection of retinal breaks is a critical step in rhegmatogenous retinal detachment (RRD) surgery in order to prevent persistent/recurrent RRDs. Not all retinal breaks causing retinal detachments are obvious. Retinal breaks may be obscured due to opacities that are either anterior-segment related, lens related or posterior-segment related. Rules to identify breaks based on sub-retinal fluid (SRF) configuration are more difficult to apply in pseudophakic, aphakic, encircled eyes, and eyes with repeat detachments and those with proliferative vitreoretinopathy (PVR)...
August 11, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28807636/visual-outcomes-and-complications-of-type-i-boston-keratoprosthesis-in-children-a-retrospective-multicenter-study-and-literature-review
#15
Simon S M Fung, Samir Jabbour, Mona Harissi-Dagher, Reginald R G Tan, Patrick Hamel, Kashif Baig, Asim Ali
PURPOSE: To report outcomes and complications of Boston type 1 keratoprosthesis (KPro) implantation in children. DESIGN: Retrospective, multicenter case series. PARTICIPANTS: All children 16 years of age or younger who underwent KPro surgery at 3 ophthalmology centers in Canada between January 2010 and November 2014. METHODS: Records of patients having undergone KPro implantation were reviewed. Data on preoperative characteristics, surgical procedure(s) performed, and postoperative outcomes were collected and analyzed...
August 11, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28807379/surgical-correction-of-haglund-s-triad-using-a-central-tendon-splitting-approach-a-retrospective-outcomes-study
#16
Zhan Xia, Andy Khye Soon Yew, Ting Karen Zhang, Hsien Ching David Su, Yung Chuan Sean Ng, Inderjeet Singh Rikhraj
We evaluated the surgical outcomes of Haglund's triad using a central tendon-splitting approach, with Achilles tendon partial detachment and debridement, excision of the retrocalcaneal bursa, resection of Haglund's prominence, and reattachment of the Achilles tendon. The medical records of 22 patients (22 heels) who had undergone surgical correction of Haglund's triad from January 2010 to December 2015 were reviewed retrospectively. The visual analog scale pain score, American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot scale score, and 36-item Short-Form Health Survey physical and mental component scores were prospectively collected preoperatively, 6 months postoperatively, and at the last visit...
August 11, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28806446/sema3a-reduces-sprouting-of-adult-rod-photoreceptors-in-vitro
#17
Frank Kung, Weiwei Wang, Tracy S Tran, Ellen Townes-Anderson
Purpose: Rod photoreceptor terminals respond to retinal injury with retraction and sprouting. Since the guidance cue Semaphorin3A (Sema3A) is observed in the retina after injury, we asked whether Sema3A contributes to structural plasticity in rod photoreceptors. Methods: We used Western blots and alkaline phosphatase (AP)-tagged neuropilin-1 (NPN-1) to detect the expression of Sema3A in an organotypic model of porcine retinal detachment. We then examined Sema3A binding to cultured salamander rod photoreceptors using AP-tagged Sema3A...
August 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28806213/maintenance-of-good-visual-acuity-in-best-disease-associated-with-chronic-bilateral-serous-macular-detachment
#18
Sarra Gattoussi, Camiel J F Boon, K Bailey Freund
PURPOSE: We describe the long-term follow-up of a patient with multifocal Best disease with chronic bilateral serous macular detachment and unusual peripheral findings associated with a novel mutation in the BEST1 gene. METHODS: Case report. RESULTS: A 59-year-old white woman was referred for an evaluation of her macular findings in 1992. There was a family history of Best disease in the patient's mother and a male sibling. Her medical history was unremarkable...
August 10, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28805053/heterogeneous-photochemistry-of-agrochemicals-at-leaf-surface-a-case-study-of-plant-activator-acibenzolar-s-methyl
#19
Mohamad Sleiman, Pascal de Sainte Claire, Claire Richard
The photoreactivity of plant activator benzo-(1,2,3)-thiadiazole-7-carbothioic acid S-methyl ester (BTH) commonly named acibenzolar-S-methyl was studied on surfaces of glass, paraffinic wax films and apple leaves. Experiments were carried out in a solar simulator using pure and formulated BTH (BION®). Surface photoproducts were identified using liquid chromatography coupled with electrospray ionization and high resolution Orbitrap mass spectrometer, while volatile photoproducts were characterized using an online thermal desorption system coupled to gas chromatography-mass spectrometry (GC-MS)...
August 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28804255/a-phase-plane-analysis-of-localized-frictional-waves
#20
T Putelat, J H P Dawes, A R Champneys
Sliding frictional interfaces at a range of length scales are observed to generate travelling waves; these are considered relevant, for example, to both earthquake ground surface movements and the performance of mechanical brakes and dampers. We propose an explanation of the origins of these waves through the study of an idealized mechanical model: a thin elastic plate subject to uniform shear stress held in frictional contact with a rigid flat surface. We construct a nonlinear wave equation for the deformation of the plate, and couple it to a spinodal rate-and-state friction law which leads to a mathematically well-posed problem that is capable of capturing many effects not accessible in a Coulomb friction model...
July 2017: Proceedings. Mathematical, Physical, and Engineering Sciences
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