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https://www.readbyqxmd.com/read/28081588/cyanoacrylate-injection-versus-band-ligation-for-bleeding-from-cardiac-varices-along-the-lesser-curvature-of-the-stomach
#1
Sang Jung Park, Yong Kwon Kim, Yeon Seok Seo, Seung Woon Park, Han Ah Lee, Tae Hyung Kim, Sang Jun Suh, Young Kul Jung, Ji Hoon Kim, Hyunggin An, Hyung Joon Yim, Jae Young Jang, Jong Eun Yeon, Kwan Soo Byun
BACKGROUND/AIMS: Practice guidelines recommend endoscopic band ligation (EBL) and endoscopic variceal obturation (EVO) for bleeding from esophageal varices and fundal varices, respectively. However, the optimal treatment for bleeding from cardiac varices along the lesser curvature of the stomach (GOV1) remains undefined. This retrospective study compared the efficacy between EBL and EVO for bleeding from GOV1. METHODS: Patients treated by EBL or EVO via cyanoacrylate injection for bleeding from GOV1 were enrolled...
December 2016: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/28080057/identification-of-binding-modes-for-amino-naphthalene-2-cyanoacrylate-anca-probes-to-amyloid-fibrils-from-molecular-dynamics-simulations
#2
Huan He, Juan Xu, Dan-Yang Cheng, Li Fu, Yu-Shu Ge, Feng-Lei Jiang, Yi Liu
Amino naphthalene 2-Cyanoacrylate (ANCA) probe is a kind of fluorescent amyloid binding probe that can report a different fluorescence emission when bound to different types of amyloid deposits in tissue, while their interactions with amyloid fibrils remain unclear due to the insoluble nature of amyloid fibrils. Here, all atom molecular dynamics simulations were used to investigate the interaction between ANCA probes with three different amyloid fibrils. Two common binding modes of ANCA probes on Aβ40 amyloid fibrils were identified by cluster analysis of multiple simulations...
January 12, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28072750/upper-gastrointestinal-ectopic-variceal-bleeding-treated-with-various-endoscopic-modalities-case-reports-and-literature-review
#3
Sang Woo Park, Eunae Cho, Chung Hwan Jun, Sung Kyu Choi, Hyun Soo Kim, Chang Hwan Park, Jong Sun Rew, Sung Bum Cho, Hee Joon Kim, Mingui Han, Kyu Man Cho
RATIONALE: Ectopic variceal bleeding is a rare (2-5%) but fatal gastrointestinal bleed in patients with portal hypertension. Patients with ectopic variceal bleeding manifest melena, hematochezia, or hematemesis, which require urgent managements. Definitive therapeutic modalities of ectopic varices are not yet standardized because of low incidence. Various therapeutic modalities have been applied on the basis of the experiences of experts or availability of facilities, with varying results...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28054930/cyanoacrylate-burn-injuries-two-unusual-cases-and-a-review-of-the-literature
#4
Christian P Eyth, Kezia Echlin, Isabel Jones
The authors present 2 cases of cyanoacrylate glue ("Super Glue") burns, with a review of the literature and a discussion on the mechanism of action. The authors found all reported cases were with domestic - not medical-grade - cyanoacrylate glue in the presence of cotton fabric. Often erroneously designated as chemical burns, they are thermal burns caused by an intensive exothermic reaction. Cotton acts as a highly potent catalyst, speeding up the polymerization reaction leading to high-peak temperatures capable of causing burns and spontaneous ignition of the fabric...
December 2016: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28048781/su-f-t-141-proton-dose-validation-in-a-phantom-beyond-trufill-n-bca-embolization-glue
#5
A Mandapaka, A Ghebremedhin, B Patyal, Loma Linda
PURPOSE: To validate the treatment planning system predicted proton dose beyond a heterogeneity (n-BCA glue) by making a measurement in a custom acrylic phantom. METHODS: A custom cubic acrylic phantom was designed for this experiment. A container was designed to fit in the phantom. This container was filled with TRUFILL™ n-Butyl Cyanoacrylate(n-BCA) glue. When the container was placed in the phantom, its center was at a distance of 7.4cm from the entrance. This depth allows us to make measurements around the center of modulation of a 126 MeV proton beam with a 3cm spread-out-Bragg peak...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28019073/tuning-the-electron-transport-and-accepting-ability-of-dyes-via-introducing-different-%C3%AF-conjugated-bridges-and-acceptors-for-dsscs
#6
Yz Li, Chaofan Sun, Peng Song, Fengcai Ma, Yanhui Yang
A series of dyes, containing thiophene and thieno[3,2-b]thiophene as π-conjugated bridges and six kinds of groups as electron acceptors, were designed for dye-sensitized solar cells. The ground and excited state properties of designed dyes were investigated via density functional theory and time-dependent DFT, respectively. Moreover, the parameters affecting the short-circuit current density and open circuit voltage were calculated to predict the photoelectric performance of dye. In addition, charge difference density were presented via three-dimensional (3D) real-space analysis method to investigate the electron injection mechanism in the complexes...
December 25, 2016: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/28012727/diagnosis-of-gynecological-pseudoaneurysms-and-embolization-with-cyanoacrylate
#7
M J Fernández Bermúdez, A M Fernández Martínez, L A Domitrovic, Ó Balboa Arregui
Pseudoaneurysms of the uterine artery are an uncommon cause of severe gynecological bleeding secondary to surgical manipulation of the pelvis or to instrumental delivery. The different imaging techniques are of vital importance in the diagnosis. Angiography is the technique used for confirmation and also for treatment in many cases. Endovascular treatment by embolizing the pseudoaneurysm has become established as the treatment of choice, making it possible to avoid hysterectomy in women of childbearing age...
December 21, 2016: Radiología
https://www.readbyqxmd.com/read/28003724/balloon-occluded-retrograde-transvenous-obliteration-brto-a-novel-method-of-control-of-bleeding-from-post-glue-ulcer-over-gastric-varices-report-of-two-cases-and-review-of-literature
#8
Ritesh Prajapati, Piyush Ranjan, Arun Gupta, Ajit K Yadav
Bleeding gastric varices (GV) are managed by cyanoacrylate glue injection with transjugular intrahepatic portosystemic shunt (TIPSS) as modality for treatment failure. Ulcer can form at the site of glue injection over GV and it can cause bleeding. Treatment approach for such bleed is not well described. Balloon-occluded retrograde transvenous obliteration (BRTO), TIPSS, and devascularization remain the treatment options in this scenario. BRTO is an endovascular procedure where a balloon catheter is inserted into a draining vein of GV, and the sclerosant can be injected into the varices through the catheter during balloon occlusion...
December 2016: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/28001041/ultrasound-responsive-macrophase-segregated-microcomposite-films-for-in-vivo-biosensing
#9
Jian Yang, James Wang, Casey N Ta, Erin Ward, Christopher V Barback, Tsai-Wen Sung, Natalie Mendez, Sarah L Blair, Andrew C Kummel, William C Trogler
Ultrasound imaging is a safe, low-cost, and in situ method for detecting in vivo medical devices. A poly(methyl-2-cyanoacrylate) film containing 2 μm boron-doped, calcined, porous silica microshells was developed as an ultrasound imaging marker for multiple medical devices. A macrophase separation drove the gas-filled porous silica microshells to the top surface of the polymer film by controlled curing of the cyanoacrylate glue and the amount of microshell loading. A thin film of polymer blocked the wall pores of the microshells to seal air in their hollow core, which served as an ultrasound contrast agent...
January 5, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27993325/percutaneous-treatment-of-chylous-ascites
#10
REVIEW
Jinoo Kim, Je Hwan Won
Chylous ascites occurs as a result of lymphatic leakage, which contains high concentration of triglycerides. The leakage is caused by various benign or malignant etiologies ranging from congenital lymphatic abnormality to trauma. Lymphangiography has been shown to be effective in the diagnosis of lymphatic leakage and has also been reported to have therapeutic outcome. The development of intranodal technique for lymphangiography has recently made the procedure more widespread. As an adjunctive procedure, percutaneous embolization may be performed which involves use of embolic agents such as N-butyl cyanoacrylate and coil to occlude the leak...
December 2016: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/27993219/behavior-of-a-new-long-chain-cyanoacrylate-tissue-adhesive-used-for-mesh-fixation-in-hernia-repair
#11
Juan M Bellón, Mar Fernández-Gutiérrez, Marta Rodríguez, Paloma Pérez-López, Bárbara Pérez-Köhler, Andree Kühnhardt, Gemma Pascual, Julio San Román
BACKGROUND: Synthetic tissue adhesives (TA) are sometimes used in hernia repair surgery. This study compares the use of a new, noncommercial, long-chain cyanoacrylate (n-octyl) TA and Ifabond for mesh fixation. MATERIALS AND METHODS: In two implant models in the rabbit, expanded polytetrafluorethylene meshes were fixed to the parietal peritoneum using a TA or tacks (intraperitoneal model), or polypropylene meshes used to repair partial abdominal wall defects were fixed with a TA or sutures (extraperitoneal model)...
February 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/27981883/varicose-vein-therapy-and-nerve-lesions
#12
Tobias Hirsch
Treating varicose veins using endovenous thermal techniques - especially laser and radio frequency ablation - has emerged as an effective alternative to open surgery with stripping and high ligation. Even though these methods are very gentle and patient-friendly, they are nevertheless accompanied by risks and side effects. Compared to open surgical therapy, the risk of damage to peripheral and motor nerves is reduced; however, it still exists as a result of heat exposure and tumescent anaesthesia. Non-thermal methods that can be applied without tumescent anaesthesia have been introduced to the market...
December 16, 2016: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/27977531/is-fixing-pediatric-nail-bed-injuries-with-medical-adhesives-as-effective-as-suturing-a-review-of-the-literature
#13
Sarah Edwards, Leesa Parkinson
OBJECTIVES: Nail bed injuries are common in children, with nail bed damage accounting for 15% to 24% of fingertip injuries. Our objective was to see whether medical adhesives, the cyanoacrylates including Histoacryl and Dermabond, could be used to fix nail bed lacerations as opposed to doing a primary repair with sutures, thus potentially being a quicker method for repair in the emergency department for these injuries. METHODS: We conducted a literature review using the search engines MEDLINE, PubMed, Web of Science, and Google Scholar, and the references within these articles were also integrated...
December 12, 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27976842/work-function-and-surface-energy-tunable-cyanoacrylic-acid-small-molecule-derivative-interlayer-on-planar-zno-nanorods-for-improved-organic-photovoltaic-performance
#14
Swapnil B Ambade, Rohan B Ambade, Sushil S Bagde, Soo-Hyoung Lee
The issue of work-function and surface energy is fundamental to "decode" the critical inorganic/organic interface in hybrid organic photovoltaics, which influences important photovoltaic events like exciton dissociation, charge transfer, photocurrent (Jsc), open-circuit voltage (Voc), etc. We demonstrate that by incorporating an interlayer of cyanoacrylic acid small molecular layer (SML) on solution-processed, spin-coated, planar ZnO nanorods (P-ZnO NRs), higher photovoltaic (PV) performances were achieved in both inverted organic photovoltaic (iOPV) and hybrid organic photovoltaic (HOPV) devices, where ZnO acts as an "electron-transporting layer" and as an "electron acceptor", respectively...
December 28, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27960413/poly-ester-urea-based-adhesives-improved-deployment-and-adhesion-by-incorporation-of-poly-propylene-glycol-segments
#15
Jinjun Zhou, Vrushali Bhagat, Matthew L Becker
The adhesive nature of mussels arises from the catechol moiety in the 3,4-dihydroxyphenylalanine (DOPA) amino acid, one of the many proteins that contribute to the unique adhesion properties of mussels. Inspired by these properties, many biomimetic adhesives have been developed over the past few years in an attempt to replace adhesives such as fibrin, cyanoacrylate, and epoxy glues. In the present work, we synthesized ethanol soluble but water insoluble catechol functionalized poly(ester urea) random copolymers that help facilitate delivery and adhesion in wet environments...
December 14, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27959847/-pulmonary-embolism-after-endoscopic-injection-with-n-butyl-2-cyanoacrylate-for-gastric-varices
#16
Gabriela Robaina, Ricardo Albertini, Martín Carranza, Pablo Herrena Najum
Gastric varices occur in one-third of patients with portal hypertension. Bleeding from gastric varices remains a significant cause of death. Currently the first-line of treatment for gastric varices is endoscopic obliteration with N-butyl-2-cyanoacrylate. Though relatively safe, this option has several well-known complications. We report the case of a 61-year-old male patient with cryptogenic cirrhosis, who presented with fever, tachycardia and hypoxemia after endoscopic obliteration with N-butyl-2-cyanoacrylate...
2016: Medicina
https://www.readbyqxmd.com/read/27956071/solution-blow-spun-polymer-a-novel-preclinical-surgical-sealant-for-bowel-anastomoses
#17
Nora G Kern, Adam M Behrens, Priya Srinivasan, Christopher T Rossi, John L Daristotle, Peter Kofinas, Anthony D Sandler
BACKGROUND: Solution blow spinning is a technique for depositing polymer fibers with promising potential use as a surgical sealant. This study assessed the feasibility and efficacy of solution blow spun polymer (BSP) for sealing bowel perforations in a mouse model of partial cecal transection. We then evaluated its use for reinforcing a surgical anastomosis in a preclinical piglet model. METHODS: Three commercially available surgical sealants (fibrin glue, polyethylene glycol (PEG) hydrogel, and cyanoacrylate) were compared to BSP in the ability to seal partially transected cecum in mice...
December 5, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27955833/outcomes-of-esophageal-arterial-embolization-for-treatment-of-hemoptysis
#18
Eui Yong Jeon, Young Kwon Cho, Heon Han, Young Il Kim, Lyo Min Kwon, Yeol Lee, Jung Gi Im
PURPOSE: To investigate safety and efficacy of esophageal arterial embolization (EAE) in addition to bronchial arterial embolization (BAE) for treatment of hemoptysis as well as the importance and characteristics of esophageal arteries in patients with hemoptysis. MATERIALS AND METHODS: Between January 2013 and December 2014, 20 patients (13 men and 7 women, mean age 58.4 y) underwent EAE in addition to BAE for hemoptysis. Retrospective review of patient records was performed to evaluate major causes of hemoptysis, treatment indications based on CT findings, esophageal angiography findings, and outcomes after embolization including clinical success rate and complications...
December 7, 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/27939908/sutureless-microvascular-anastomosis-with-the-aid-of-heparin-loaded-poloxamer-407
#19
Fırat Özer, Mustafa Nişancı, Çetin Taş, Jayakumar Rajadas, Doğan Alhan, Yalçın Bozkurt, Armağan Günal, Serdar Demirtaş, Selçuk Işık
BACKGROUND: Anastomosis with tissue adhesives is an alternative method for conventional anastomosis. However, this method has several technical challenges. It requires the use of suture to prevent leakage into lumen and precise application onto all surfaces of the anastomosis site. To solve these problems, poloxamer 407 (P 407) was previously used as a stent. In this study, we made heparinized P 407 (h-P 407) as a new formula. We aimed to successfully use h-P 407 as a stent in sutureless anastomosis in a rat abdominal aorta model...
November 12, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/27935467/possible-toxicity-following-embolization-of-congenital-giant-vertex-hemangioma-case-report
#20
Ingrid Kieran, Zaitun Zakaria, Chandrasekaran Kaliaperumal, Declan O'Rourke, Alan O'Hare, Eoghan Laffan, John Caird, Mary D King, Dylan J Murray
The authors describe the case of a 3-year-old boy with a giant congenital vertex hemangioma who underwent presurgical embolization with Onyx (ethylene-vinyl alcohol copolymer dissolved in dimethyl sulfoxide) and Glubran (N-butyl-2-cyanoacrylate). This vascular tumor had no intracranial vascular communication as assessed by pre-embolization MRI and catheter angiography. All embolizations were performed by direct percutaneous injection. One week following the last embolization procedure the child presented with a 24-hour history of ataxia and extrapyramidal tremor...
December 9, 2016: Journal of Neurosurgery. Pediatrics
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