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https://www.readbyqxmd.com/read/28732300/complete-torsion-of-gallbladder-following-laparoscopic-cholecystectomy-a-case-study
#1
Tomoaki Bekki, Tomoyuki Abe, Hironobu Amano, Nobuaki Fujikuni, Hiroshi Okuda, Tatsunari Sasada, Minoru Yamaki, Tsuyoshi Kobayashi, Toshio Noriyuki, Masahiro Nakahara
INTRODUCTION: Gallbladder torsion is mainly associated with a floating gallbladder. From an anatomical perspective, laparoscopic cholecystectomy is a more optimal treatment than open cholecystectomy. PRESENTATION OF CASE: An 84-year-old woman visited the Onomichi General Hospital because of progressive pain in the right upper quadrant of her abdomen. Physical examination revealed a positive Murphy sign and peritoneal irritation. Laboratory data demonstrated that inflammatory marker levels were increased...
June 29, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28732293/investigation-of-the-wash-off-process-using-an-innovative-portable-rainfall-simulator-allowing-continuous-monitoring-of-flow-and-turbidity-at-the-urban-surface-outlet
#2
Saja Al Ali, Céline Bonhomme, Philippe Dubois, Ghassan Chebbo
Development of appropriate models, based on an in-depth understanding of the wash-off process, is essential to accurately estimating pollutant loads transported by stormwater, thereby minimizing environmental contamination. To this end, we developed an innovative rainfall simulator, which simulated an intense rainfall (120mm/h) and permitted the acquisition of runoff samples as well as the in situ monitoring of continuous flow and turbidity dynamics. Relationships between deposited sediments and total suspended solids in simulated runoff were thus investigated on two different types of surfaces within the Paris region in terms of loads and particle size distribution...
July 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28732010/biofilm-imaging-in-porous-media-by-laboratory-x-ray-tomography-combining-a-non-destructive-contrast-agent-with-propagation-based-phase-contrast-imaging-tools
#3
Maxence Carrel, Mario A Beltran, Verónica L Morales, Nicolas Derlon, Eberhard Morgenroth, Rolf Kaufmann, Markus Holzner
X-ray tomography is a powerful tool giving access to the morphology of biofilms, in 3D porous media, at the mesoscale. Due to the high water content of biofilms, the attenuation coefficient of biofilms and water are very close, hindering the distinction between biofilms and water without the use of contrast agents. Until now, the use of contrast agents such as barium sulfate, silver-coated micro-particles or 1-chloronaphtalene added to the liquid phase allowed imaging the biofilm 3D morphology. However, these contrast agents are not passive and potentially interact with the biofilm when injected into the sample...
2017: PloS One
https://www.readbyqxmd.com/read/28731762/measurement-of-neutral-current-k-production-by-neutrinos-using-minerva
#4
C M Marshall, L Aliaga, O Altinok, L Bellantoni, A Bercellie, M Betancourt, A Bodek, A Bravar, T Cai, M F Carneiro, H da Motta, S A Dytman, G A Díaz, M Dunkman, B Eberly, E Endress, J Felix, L Fields, R Fine, A M Gago, R Galindo, H Gallagher, A Ghosh, T Golan, R Gran, D A Harris, A Higuera, K Hurtado, J Kleykamp, M Kordosky, T Le, E Maher, S Manly, W A Mann, D A Martinez Caicedo, K S McFarland, C L McGivern, A M McGowan, B Messerly, J Miller, A Mislivec, J G Morfín, J Mousseau, D Naples, J K Nelson, A Norrick, Nuruzzaman, V Paolone, C E Patrick, G N Perdue, M A Ramírez, R D Ransome, H Ray, L Ren, D Rimal, P A Rodrigues, D Ruterbories, D W Schmitz, C J Solano Salinas, M Sultana, S Sánchez Falero, E Valencia, T Walton, J Wolcott, M Wospakrik, B Yaeggy, D Zhang
Neutral-current production of K^{+} by atmospheric neutrinos is a background in searches for the proton decay p→K^{+}ν[over ¯]. Reactions such as νp→νK^{+}Λ are indistinguishable from proton decays when the decay products of the Λ are below detection threshold. Events with K^{+} are identified in MINERvA by reconstructing the timing signature of a K^{+} decay at rest. A sample of 201 neutrino-induced neutral-current K^{+} events is used to measure differential cross sections with respect to the K^{+} kinetic energy, and the non-K^{+} hadronic visible energy...
July 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28731057/idiopathic-macular-holes-and-direction-of-vitreomacular-traction-structural-changes-and-surgical-outcomes
#5
C-Y Tsai, Y-T Hsieh, T-T Lai, C-M Yang
PurposeTo compare the structural changes, clinical course, and treatment outcomes of vertical and horizontal vitreomacular traction (VMT) induced impending macular holes (IMHs) and full-thickness macular holes (FTMHs).MethodsIn this retrospective study, 23 and 32 cases of IMHs and FTMHs, respectively, were analyzed. The IMH cases were divided into two subgroups: IMH with and without foveal detachment. Vitreofoveal traction angles (TAs) between the inner retinal surface and posterior hyaloid were measured from horizontal and vertical optical coherence tomography (OCT) images by using the trigonometric function (the angle equals the arctangent of the height over the base) after adjustments for magnification factors...
July 21, 2017: Eye
https://www.readbyqxmd.com/read/28731052/real-world-visual-acuity-outcomes-between-ranibizumab-and-aflibercept-in-treatment-of-neovascular-amd-in-a-large-us-data-set
#6
A Lotery, R Griner, A Ferreira, F Milnes, P Dugel
PurposeTo examine 12-month real-world visual acuity outcomes and treatment patterns in neovascular age-related macular degeneration (nAMD) eyes, including those with pigment epithelial detachment (PED), receiving ranibizumab or aflibercept.Patients and methodsElectronic medical records were used to identify ranibizumab or aflibercept-treated nAMD eyes with 12 months follow-up from first prescription. The primary objective was to compare mean change in visual acuity (VA) between index and month 12, in eyes treated with ranibizumab and aflibercept to assess the non-inferiority of ranibizumab vs aflibercept using a -5 letter non-inferiority margin...
July 21, 2017: Eye
https://www.readbyqxmd.com/read/28730833/short-term-administration-of-melatonin-or-ghrelin-on-diabetic-rats-effects-on-angiotensin-ii-and-vasopressin-induced-uterine-contractility
#7
D Sugár, R Agócs, E Tatár, G Tóth, P Horváth, E Sulyok, A J Szabó
The glycosaminoglycan (GAG) molecules are a group of high molecular weight, negatively charged polysaccharides present abundantly in the mammalian organism. By their virtue of ion and water binding capacity, they may affect the redistribution of body fluids and ultimately the blood pressure. Data from the literature suggests that the mitogens Vascular Endothelial Growth Factor (VEGF)-A and VEGF-C are able to regulate the amount and charge density of GAGs and their detachment from the cell surface. Based on these findings we investigated the relationship between the level of dietary sodium intake, the expression levels of VEGF-A and VEGF-C, and the amount of the skin GAGs hyaluronic acid and chondroitin sulphate in an in vivo rat model...
July 18, 2017: Physiological Research
https://www.readbyqxmd.com/read/28730261/post-medication-stevens-johnson-syndrome-in-a-girl-hospitalized-for-a-norovirus-and-rotavirus-infection
#8
Simona Dumitra, LuminiŢa Pilat, Alina Iftode, Ozana Nicoleta Bălan, Carmen Ramona StănculeŢ, Elena Claudia Covaci, Alexandru Fica Mircea Onel, Carmen Nicoleta Crişan
Stevens-Johnson syndrome (SJS) is a cutaneous mucosal disorder characterized by extended necrosis and detachment of the epidermis affecting <10% of the body surface, caused by drugs or infections. The authors report a case of a girl with Depakine resistant epilepsy, who develops a SJS in the third week of introducing lamotrigine. The girl also presents an acute diarrheal disease with double viral etiology - rotavirus and norovirus. The clinical image comprises polymorphic erythematous maculopapular exanthema with vesicular and bullous elements, with ulcerations and desquamations at the level of the eyelids, mouth, anogenital area and tegument denuding at the level of the abdomen and limbs...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28730096/retinal-detachment-repair-through-multifocal-intraocular-lens-overcoming-visualization-challenge-of-the-peripheral-retina
#9
Amir Hadayer, Denis Jusufbegovic, Shlomit Schaal
No abstract text is available yet for this article.
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729948/algorithms-for-the-automated-analysis-of-age-related-macular-degeneration-biomarkers-on-optical-coherence-tomography-a-systematic-review
#10
REVIEW
Maximilian W M Wintergerst, Thomas Schultz, Johannes Birtel, Alexander K Schuster, Norbert Pfeiffer, Steffen Schmitz-Valckenberg, Frank G Holz, Robert P Finger
PURPOSE: To assess the quality of optical coherence tomography (OCT) grading algorithms for retinal biomarkers of age-related macular degeneration (AMD). METHODS: Following a systematic review of the literature data on detection and quantification of AMD retinal biomarkers by available algorithms were extracted and descriptively synthesized. Algorithm quality was assessed using a modified version of the Quality Assessment of Diagnostic Accuracy Studies 2 checklist with a focus on accuracy against established reference standards and risk of bias...
July 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28729551/change-in-choroidal-blood-flow-and-choroidal-morphology-due-to-segmental-scleral-buckling-in-eyes-with-rhegmatogenous-retinal-detachment
#11
Takeshi Iwase, Misato Kobayashi, Kentaro Yamamoto, Kosei Yanagida, Eimei Ra, Hiroko Terasaki
Although scleral buckling is a well-established surgical treatment for rhegmatogenous retinal detachment (RRD), the procedure can reportedly cause problems in the ocular circulation. Segmental scleral bucking without a concomitant encircling procedure was performed on 46 eyes with successfully reattached macula-on RRD. Choroidal blood flow was assessed using laser speckle flowgraphy. Spectral-domain optical coherence tomography was used to image macular regions, to measure the subfoveal choroidal thickness (SFCT), and to calculate the luminal and the stromal areas by the binarization method preoperatively and 1, 4, 8 and 12 weeks postoperatively...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729020/purification-of-cell-culture-derived-influenza-a-virus-via-continuous-anion-exchange-chromatography-on-monoliths
#12
Laura M Fischer, Michael W Wolff, Udo Reichl
The continuously increasing demand for potent and safe vaccines and the intensifying economic pressure on health care systems underlines the need for further optimization of vaccine manufacturing. Here, we focus on downstream processing of human influenza vaccines, investigating the purification of serum-free cell culture-derived influenza virus (A/PR/8/34 H1N1) using continuous chromatography. Therefore, quaternary amine anion exchange monoliths (CIM® QA) were characterized for their capacity to capture virus particles from animal cells cultivated in different media and their ability to separate virions from contaminating host cell proteins and DNA...
July 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28728182/endophthalmitis-and-concurrent-or-delayed-onset-rhegmatogenous-retinal-detachment-managed-with-pars-plana-vitrectomy-intravitreal-antibiotics-and-silicone-oil
#13
Vivek Pravin Dave, Avinash Pathengay, Nidhi Relhan, Pranjali Sharma, Subhadra Jalali, Rajeev Reddy Pappuru, Mudit Tyagi, Raja Narayanan, Jay Chhablani, Taraprasad Das, Harry W Flynn
BACKGROUND AND OBJECTIVE: The current study describes the treatment outcomes in patients with endophthalmitis and concurrent or delayed-onset retinal detachment managed with pars plana vitrectomy, intravitreal antibiotics, and silicone oil. PATIENTS AND METHODS: In this noncomparative, retrospective case series, the medical records of patients diagnosed with endophthalmitis and retinal detachment from January 1991 through December 2014 at a tertiary eye care center in South India were reviewed...
July 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28728160/structural-changes-of-the-macula-on-optical-coherence-tomography-after-vitrectomy-for-proliferative-diabetic-retinopathy
#14
Jong Chan Im, Jong Ho Kim, Dong Ho Park, Jae Pil Shin
PURPOSE: This study aimed to evaluate the relationship between macular structural changes and visual prognosis after pars plana vitrectomy (PPV) for proliferative diabetic retinopathy. METHODS: The study included 60 eyes that had undergone PPV. Macular optical coherence tomography (OCT) findings were classified into 5 groups preoperatively and 10 groups postoperatively. Best-corrected visual acuity (BCVA) were analyzed according to pre- and postoperative OCT. RESULTS: From the preoperative OCT, normal fovea with/without traction, normal fovea with preretinal hemorrhage, and tractional retinal detachment involving fovea showed an increase in BCVA after PPV (all p < 0...
July 21, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28727887/yag-laser-vitreolysis-vs-sham-yag-vitreolysis-for-symptomatic-vitreous-floaters-a-randomized-clinical-trial
#15
Chirag P Shah, Jeffrey S Heier
Importance: Vitreous floaters are common and can worsen visual quality. YAG vitreolysis is an untested treatment for floaters. Objective: To evaluate YAG laser vitreolysis vs sham vitreolysis for symptomatic Weiss ring floaters from posterior vitreous detachment. Design, Setting, and Participants: This single-center, masked, sham-controlled randomized clinical trial was performed from March 25, 2015, to August 3, 2016, in 52 eyes of 52 patients (36 cases and 16 controls) treated at a private ophthalmology practice...
July 20, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28726766/the-alternaria-alternata-mycotoxin-alternariol-suppresses-lipopolysaccharide-induced-inflammation
#16
Shivani Grover, Christopher B Lawrence
The Alternaria mycotoxins alternariol (AOH) and alternariol monomethyl ether (AME) have been shown to possess genotoxic and cytotoxic properties. In this study, the ability of AOH and AME to modulate innate immunity in the human bronchial epithelial cell line (BEAS-2B) and mouse macrophage cell line (RAW264.7) were investigated. During these studies, it was discovered that AOH and to a lesser extent AME potently suppressed lipopolysaccharide (LPS)-induced innate immune responses in a dose-dependent manner. Treatment of BEAS-2B cells with AOH resulted in morphological changes including a detached pattern of growth as well as elongated arms...
July 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28726386/a-smart-biointerface-with-photoswitched-functions-between-bactericidal-activity-and-bacteria-releasing-ability
#17
Ting Wei, Wenjun Zhan, Qian Yu, Hong Chen
Smart biointerfaces with capability to regulate cell-surface interactions in response to external stimuli are of great interest for both fundamental research and practical applications. Smart surfaces with "ON/OFF" switchability for a single function such as cell attachment/detachment are well-known and useful, but the ability to switch between two different functions may be seen as the next level of "smart". In this work reported, a smart supramolecular surface capable of switching functions reversibly between bactericidal activity and bacteria-releasing ability in response to UV-visible light is developed...
July 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28725906/covalent-bonding-assisted-nanotransfer-lithography-for-the-fabrication-of-plasmonic-nano-optical-elements
#18
Soon Hyoung Hwang, Sohee Jeon, Myung Ju Kim, Dae-Geun Choi, Jun-Hyuk Choi, Joo-Yun Jung, Kwang-Seop Kim, Jihye Lee, Jun Ho Jeong, Jae Ryoun Youn
Many high-resolution patterning techniques have been developed to realize nano- and microscale applications of electric devices, sensors, and transistors. However, conventional patterning methods based on photo or e-beam lithography are not employed to fabricate optical elements of high aspect ratio and a sub-100 nm scale due to the limit of resolution, high costs and low throughput. In this study, covalent bonding-assisted nanotransfer lithography (CBNL) was proposed to fabricate various structures of high resolution and high aspect ratio at low cost by a robust and fast chemical reaction...
July 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28724949/overexpression-of-slpre2-an-atypical-bhlh-transcription-factor-affects-plant-morphology-and-fruit-pigment-accumulation-in-tomato
#19
Zhiguo Zhu, Guoping Chen, Xuhu Guo, Wencheng Yin, Xiaohui Yu, Jingtao Hu, Zongli Hu
The basic helix-loop-helix (bHLH) proteins are a large family of transcription factors that control various developmental processes in eukaryotes, but the biological roles of most bHLH proteins are not very clear, especially in tomato. In this study, a PRE-like atypical bHLH gene was isolated and designated as SlPRE2 in tomato. SlPRE2 was highly expressed in immature-green fruits, moderately in young leaves, flowers, and mature-green fruits. To further research the function of SlPRE2, a 35 S:PRE2 binary vector was constructed and transformed into wild type tomato...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724829/case-report-of-a-secondary-macular-hole-closure-after-intravitreal-bevacizumab-therapy-in-a-patient-with-retinal-pigment-epithelial-detachment
#20
Marcus Werner Storch, Hans Hoerauf
We describe a case of macular hole (MH) closure after intravitreal bevacizumab therapy for an underlying pigment epithelial detachment (PED) due to exudative age-related macular degeneration (AMD). The 73-year-old Caucasian female presented with reduced visual acuity (20/80) of the left eye and metamorphopsia for approximately 6 months. Spectral domain optical coherence tomography revealed a subfoveal PED due to AMD with an associated MH. To treat the exudative component of the pathology, we started intravitreal bevacizumab therapy, consecutively leading to reduction of the height of PED and allowing closure of the MH...
July 2017: Indian Journal of Ophthalmology
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