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https://www.readbyqxmd.com/read/28342558/high-intensity-focused-ultrasound-as-first-line-treatment-in-patients-with-chronic-angle-closure-glaucoma-at-risk-for-malignant-glaucoma
#1
M Graber, Z Khoueir, A Beauchet, N Benhatchi, S Hammoud, Y Lachkar
PURPOSE: Evaluation of high intensity focused ultrasound (HIFU) transscleral cyclocoagulation as an alternative to trabeculectomy in the treatment of refractory chronic angle closure glaucoma (CACG). METHODS: This prospective one armed single center pilot study was conducted on patients with medically uncontrolled CACG who underwent high intensity focused ultrasound (HIFU) cyclocoagulation as first line surgical treatment, using the Eye-OP1 HIFU device (Eyetechcare-Rillieux-la-Pape, France) driven by ultrasound biomicroscopic (UBM) ciliary body localization...
March 22, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28328634/bridging-the-gap-engineered-porcine-derived-urinary-bladder-matrix-conduits-as-a-novel-scaffold-for-peripheral-nerve-regeneration
#2
Lyly Nguyen, Ashkan Afshari, Nathaniel D Kelm, Alonda C Pollins, R Bruce Shack, Mark D Does, Wesley P Thayer
PURPOSE: This study aims to compare engineered nerve conduits constructed from porcine-derived urinary bladder matrix (UBM) with the criterion-standard nerve autografts, for segmental loss peripheral nerve repairs. METHODS: Forty-eight Sprague-Dawley rats were divided into 2 groups. All underwent a 10-mm sciatic nerve gap injury. This was repaired using either (1) reverse autograft-the 10-mm cut segment was oriented 180 degrees and used to coapt the proximal and distal stumps or (2) UBM conduit-the 10-mm nerve gap was bridged with UBM conduit...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28302681/ultrasound-biomicroscopic-imaging-in-paediatric-ocular-toxocariasis
#3
Jinghua Liu, Songfeng Li, Guangda Deng, Wenli Yang, Wei Chen, Hai Lu
PURPOSE: To determine the potential and usefulness of ultrasound biomicroscopy (UBM) as a diagnostic procedure on a larger cohort of paediatric patients with ocular toxocariasis. METHODS: UBM was performed on 41 eyes of 41 patients with ocular toxocariasis in order to determine configuration of peripheral retina, pars plana and vitreous. Location and range of peripheral pathology using ophthalmoscopy with scleral indentation, UBM and intraoperative confirmation were recorded and compared...
March 16, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28302178/laser-peripheral-iridotomy-versus-laser-peripheral-iridotomy-plus-laser-peripheral-iridoplasty-in-the-treatment-of-multi-mechanism-angle-closure-study-protocol-for-a-randomized-controlled-trial
#4
Shida Chen, Jianhua Lv, Sujie Fan, Hong Zhang, Lin Xie, Ling Xu, Bing Jiang, Huipin Yuan, Yuanbo Liang, Shuning Li, Pingyan Chen, Xiulan Zhang, Ningli Wang
BACKGROUND: China has the largest burden of primary angle-closure glaucoma (PACG) worldwide. The mechanism of the angle closure is complex and includes pupillary block and non-pupillary block. Currently, opinion is that laser peripheral iridotomy (LPI) alone is not sufficient to prevent disease progression. Laser peripheral iridoplasty (LPIP) is an alternative and effective way of widening the angle recess in eyes that are affected by primary angle closure (PAC). However, it is not known if greater benefit would be achieved using LPI plus LPIP for PAC with multiple mechanisms (MAC)...
March 17, 2017: Trials
https://www.readbyqxmd.com/read/28301497/long-term-outcomes-of-ciliary-sulcus-versus-capsular-bag-fixation-of-intraocular-lenses-in-children-an-ultrasound-biomicroscopy-study
#5
Yun-E Zhao, Xian-Hui Gong, Xue-Ning Zhu, He-Ming Li, Meng-Jun Tu, Terry G Coursey, Stephen C Pflugfelder, Feng Gu, Ding Chen
PURPOSE: To evaluate the long-term outcomes of ciliary sulcus versus capsular bag fixation of intraocular lenses (IOLs) in children after pediatric cataract surgery. METHODS: IOL was implanted in the ciliary sulcus in 21 eyes of 14 children, and in the capsular bag in 19 eyes of 12 children for the treatment of pediatric cataract in an institutional setting. Ultrasound biomicroscopy (UBM) was performed. Main outcome measures included IOL decentration, IOL tilt, anterior chamber depth (ACD), angle-opening distance at 500 μm (AOD500), trabecular-iris angle (TIA), best-corrected visual acuity (BCVA), intraocular pressure (IOP), and incidence of postoperative complications...
2017: PloS One
https://www.readbyqxmd.com/read/28277472/transvaginal-repair-of-complex-rectovaginal-fistulas-using-the-porcine-urinary-bladder-matrix-as-an-augmenting-graft
#6
Hemikaa Devakumar, Neeraja Chandrasekaran, Alexandriah Alas, Laura Martin, G Willy Davila, Eric Hurtado
BACKGROUND: After the US Food and Drug Administration issued a safety warning concerning vaginal mesh implants in 2008, their use in correction of pelvic floor defects have decreased in the United States (http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm479732.htm). However, we are still treating patients who have had complications associated with their use, rectovaginal fistulas (RVFs) being one of them. Rectovaginal fistulas are considered complex if greater than 2.5 cm, recurrent, associated with inflammatory bowel disease, or if they are proximal in location...
March 9, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28268436/applications-of-ubms-and-i-vectors-in-eeg-subject-verification
#7
Christian Ward, Joseph Picone, Iyad Obeid
The processing of electroencephalograms (EEGs) is a growing field where mature speech processing techniques are able to rapidly progress development and understanding of the associated neuroscience. I-vectors and Joint Factor Analysis (JFA), along with their foundational universal background models (UBMs) have progressed to a level of understanding that makes them prime for transition to the EEG community. To prove the capability of these techniques they are tested against two contrasting EEG data sets, PhysioNet's EEG Motor Movement/Imagery Dataset and the Temple University Hospital EEG Corpus, to highlight the effectiveness of the techniques with minimal domain knowledge modifications...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267677/diabetic-foot-ulcers-treated-with-porcine-urinary-bladder-extracellular-matrix-and-total-contact-cast-interim-analysis-of-a-randomized-controlled-trial
#8
Oscar M Alvarez, Tashara Smith, Thomas W Gilbert, Neh J Onumah, Martin E Wendelken, Rachelle Parker, Lee Markowitz
OBJECTIVE: To evaluate the effectiveness of a porcine urinary bladder-derived extracellular matrix (UBM) for the treatment of recalcitrant, neuropathic diabetic foot ulcers (DFUs). MATERIALS AND METHODS: This prospective, parallel, randomized, single-center study involving 17 subjects was performed in an outpatient wound care center setting. Each subject with a DFU was randomized (2:1) to receive the urinary bladder matrix (UBM) plus offloading with a total contact cast (TCC) or standard care (nonadherent dressing plus TCC)...
February 27, 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28226606/applications-of-ubms-and-i-vectors-in-eeg-subject-verification
#9
Christian Ward, Joseph Picone, Iyad Obeid, Christian Ward, Joseph Picone, Iyad Obeid, Christian Ward, Iyad Obeid, Joseph Picone
The processing of electroencephalograms (EEGs) is a growing field where mature speech processing techniques are able to rapidly progress development and understanding of the associated neuroscience. I-vectors and Joint Factor Analysis (JFA), along with their foundational universal background models (UBMs) have progressed to a level of understanding that makes them prime for transition to the EEG community. To prove the capability of these techniques they are tested against two contrasting EEG data sets, PhysioNet's EEG Motor Movement/Imagery Dataset and the Temple University Hospital EEG Corpus, to highlight the effectiveness of the techniques with minimal domain knowledge modifications...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28220849/the-long-term-anterior-segment-configuration-after-pediatric-cataract-surgery-and-the-association-with-secondary-glaucoma
#10
Ding Chen, Xian-Hui Gong, He Xie, Xue-Ning Zhu, Jin Li, Yun-E Zhao
Secondary glaucoma constitutes major sight-threatening complication of pediatric cataract surgery, yet the etiology remains unclear. The purpose of this study was to investigate the long-term anterior segment configuration and the association with secondary glaucoma in pediatric pseudophakia. Ultrasound biomicroscopy (UBM) was performed on 40 eyes of 26 children underwent pediatric cataract surgery and intraocular lens (IOL) implantation. The anterior chamber depth (ACD), angle-opening distance at 500 μm (AOD500), trabecular-iris angle (TIA), central corneal thickness (CCT), structural abnormities, IOL position, IOP, and incidence of glaucoma were evaluated...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28203193/recurrent-uveal-effusion-after-laser-iridotomy
#11
Hiroshi Sakai, Michiko Yonahara, Miyako Sakai
A 59-year-old woman was seen by an ophthalmologist for blurred vision, ocular pain, headache, and nausea. She was diagnosed with acute primary angle closure (APAC) and successfully treated with medications. Using ultrasound biomicroscopy (UBM), engorged episcleral vein was observed and small uveal effusion was diagnosed after laser peripheral iridotomy (LPI). The uveal effusion disappeared and was again diagnosed by UBM together with anterior segment inflammation with ocular pain. Iritis caused by LPI after APAC might be a cause of uveal effusion in this specific case...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28123247/anterior-segment-changes-on-ultrasound-biomicroscopy-after-intravitreal-anti-vascular-endothelial-growth-factor-injection
#12
H S Trehan, Jaya Kaushik, Atul Rangi, A S Parihar, P Vashisht, J K S Parihar
BACKGROUND: Intravitreal injections are standard of care today and have the potential to change the anatomy of the anterior segment of the eye. This research was undertaken to evaluate the changes in anterior segment anatomy after intravitreal anti vascular endothelial growth factor (anti VEGF) injections. METHODS: We conducted a prospective interventional case series at a quaternary care center where patients undergoing intravitreal injection had pre and post injection ultrasound biomicroscopy (UBM) and intraocular pressure (IOP) measurement after intravitreal anti VEGF injection of 0...
January 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28112133/comparison-of-deep-sclerokeratodissection-a-new-variant-of-nonpenetrating-glaucoma-surgery-with-deep-sclerectomy
#13
Anna Sophie Mursch-Edlmayr, Daniel S Mojon, Michael Ring, Peter Laubichler, Nikolaus Luft, Siegfried Georg Priglinger
PURPOSE: The aim of this study was to evaluate the safety and efficacy of deep sclerokeratodissection (DSKD), a new nonpenetrating technique in glaucoma surgery. MATERIALS AND METHODS: Retrospective comparison between patients treated with DSKS or deep sclerectomy (DS) between 2013 and 2014. In DSKD, the first and only flap is dissected directly into clear cornea with unroofing Schlemm's canal. Beside routine clinical follow-up (visual acuity, intraocular pressure [IOP] readings, slit lamp and fundus examination), postoperative ultrasound biomicroscopy (UBM) investigation and quality of life (QoL) assessment were performed...
December 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28108900/a-case-study-of-ciliary-detachment-with-primary-pulmonary-hypertension
#14
Zhuolei Feng, Li Dong, Junxian Cao, Jie Bai, Ming-Ming Yang, Yi Zheng, Daohong Lin
PURPOSE: To introduce a case of ciliary detachment with primary pulmonary hypertension (PPH). METHODS: The clinical manifestations of a case of ciliary detachment with PPH were addressed by comprehensive examination including ultrasound biological microscope (UBM), intraocular pressure, color fundus photographs, fluorescence fundus angiography (FFA). In addition, echocardiography is used to measure primary pulmonary pressure. RESULTS: When the echocardiography displayed a systolic pulmonary arterial pressure of 106 mmHg, UBM exhibited ciliochoroidal detachment, as well as peripheral retinal effusion and non-perfusion areas in FFA...
January 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28091712/two-cases-of-female-urethral-reconstruction-with-acellular-porcine-urinary-bladder-matrix
#15
Sana Ansari, Mickey Karram
INTRODUCTION AND HYPOTHESIS: Female urethral reconstruction via the traditional routes can be limiting for various reasons. Current literature on the use of acellular biologic grafts derived from viscera for female urethral reconstruction is limited. We present two cases of women with complete loss of their posterior urethra presenting for urethral reconstruction. METHODS: Two cases of urethral reconstruction using acellular porcine urinary bladder matrix (UBM), along with labial fat pad transposition and biologic pubovaginal sling are presented...
January 13, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28089532/refining-health-risk-assessment-by-incorporating-site-specific-background-concentration-and-bioaccessibility-data-of-nickel-in-soil
#16
Mao-Sheng Zhong, Lin Jiang
Risk assessment of Nickel (Ni) in a brownfield site contaminated was refined by incorporating the site-specific background level (SSBL) derived using multiple lines of evidence technology and bioaccessibility measured by the Unified Bioaccessibility Method (UBM) and Inhalation Bioaccessibility Method (IBM). The results revealed that the SSBL was 80mg/kg, which was much higher than the general soil screening value (GSSL) (50mg/kg) and more than two times regional background level reported for Tianjing (33mg/kg)...
January 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28074538/ultrasound-biomicroscopy-and-tonometry-in-ophthalmologically-normal-pigeon-eyes
#17
Sangwan Park, Seonmi Kang, Jaegook Lim, Eunjin Park, Taekjin Nam, Seowoo Jeong, Kangmoon Seo
OBJECTIVE: To evaluate the feasibility of ultrasound biomicroscopy (UBM) and tonometry in pigeons and to provide biometric reference ranges for normal pigeon eyes. ANIMALS STUDIED: Ten pigeons (Columba livia var. domestica) with ophthalmologically normal eyes. PROCEDURES: Ophthalmic examinations, including slit-lamp biomicroscopy and tonometry, were performed to confirm that the eyes were normal. UBM was then performed on the left eye. On each obtained image, the ciliary cleft (CC) length, CC width, and CC area, and iridocorneal angle (ICA) were measured...
January 11, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/28007115/comparison-of-stability-between-a-modular-intraocular-lens-system-and-a-single-piece-hydrophobic-acrylic-intraocular-lens
#18
Jeffrey R SooHoo, Stephen S Lane, Robert J Cionni, John P Berdahl, Glenn R Sussman, Malik Y Kahook
PURPOSE: To compare the movement of a modular intraocular lens (IOL) with that of a standard single-piece hydrophobic acrylic IOL in a human cadaver eye perfusion model. SETTING: Department of Ophthalmology, University of Colorado, Aurora, Colorado, USA. DESIGN: Experimental study. METHODS: Eight phakic human donor eyes of 4 patients had standard phacoemulsification with lens removal. One of 2 IOLs was then implanted in the capsular bag: a modular IOL (Harmoni) or a standard single-piece IOL (Acrysof SN60)...
December 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27993474/in-vitro-estimation-of-bioaccessibility-of-chlorinated-organophosphate-flame-retardants-in-indoor-dust-by-fasting-and-fed-physiologically-relevant-extraction-tests
#19
José Benito Quintana, María Rosende, Rosa Montes, Tania Rodríguez-Álvarez, Rosario Rodil, Rafael Cela, Manuel Miró
This paper reports the evaluation of in-vitro physiologically relevant extraction tests for ascertainment of the bioaccessible fractions of emerging flame retardants from indoor dust in the gastric and gastrointestinal compartments. Standardized bioaccessibility tests under both fasting (UBM-like test) and fed (FOREhST test) conditions simulating the macronutrient composition of an average child diet were harnessed for investigation of the oral bioaccessibility of chlorinated organophosphate esters, namely, tris(2-chloroethyl) phosphate (TCEP), tris(1-chloro-2-propyl) phosphate (TCPP) and tris(1,3-dichloro-2-propyl) phosphate (TDCP), in household and automobile cabin dust samples with varying concentration levels of contaminants...
February 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27979647/bioaccessibility-of-u-th-and-pb-in-solid-wastes-and-soils-from-an-abandoned-uranium-mine
#20
Michael Foulkes, Geoffrey Millward, Samuel Henderson, William Blake
Bioaccessible U, Th, Pb and the (238)U decay products (214)Pb and (210)Pb have been determined, using a modified Unified BARGE Method (UBM), in waste solids and soils from an abandoned uranium mine in South West England, UK. Maximum aqua regia extractable concentrations for U, Th and Pb were 16,200, 3.8 and 4750 μg g(-1), respectively. (238)U had highest activity concentrations near the mine shaft, where the decay products(214)Pb and (210)Pb had values of 235 and 180 Bq g(-1), respectively. UBM extractions gave mean gastro-intestinal bioaccessibility factors (BAFs) for U and Pb in the waste solids of 0...
December 12, 2016: Journal of Environmental Radioactivity
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