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Thomas Spray

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https://www.readbyqxmd.com/read/28339165/a-randomised-controlled-trial-of-sodium-citrate-spray-for-non-conductive-olfactory-disorders
#1
Carl Philpott, Sally Erskine, Allan Clark, Alexander Leeper, Mahmoud Salam, Rishi Sharma, George Murty, Thomas Hummel
BACKGROUND: Previous research has suggested that sodium citrate improves hyposmia by decreasing mucus calcium levels in the nose. This study aimed to confirm or refute this effect in a single application and assess potential side effects. METHODOLOGY: Study design was a randomised double-blind controlled trial of sodium citrate nasal spray (intervention) versus sterile water (control) in a tertiary care clinic. Fifty-five patients with non-conductive olfactory loss were randomised to receive the intervention or placebo...
March 24, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28325539/n2-gas-egress-from-patients-airways-during-ln2-spray-cryotherapy
#2
John P O'Connor, Brian M Hanley, Thomas I Mulcahey, Ellen E Sheets, Kacey W Shuey
Spray cryotherapy using liquid nitrogen (LN2) is a general surgical tool used to ablate benign or malignant lesions. Adequate egress of the gaseous nitrogen (N2) generated during this process must be provided for safe use when LN2 is used within the body rather than topically. When delivered to either the gastrointestinal tract (requiring active venting via a suction tube) or body cavities open to room barometric pressure (such as lung airways) allowing for passive venting, the N2 gas generated from the boiling process must be evacuated...
March 18, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28322007/one-electron-initiated-two-electron-oxidation-of-water-by-aluminum-porphyrins-with-earth-s-most-abundant-metal-ion
#3
Fazalurahman Kuttassery, Siby Mathew, Shogo Sagawa, Sebastian Nybin Remello, Arun Thomas, Daisuke Yamamoto, Satomi Onuki, Yu Nabetani, Hiroshi Tachibana, Haruo Inoue
We report here a new molecular catalyst for efficient water splitting, aluminum porphyrins (tetra-methylpyridiniumylporphyrinatealuminum: AlTMPyP), containing the Earth's most abundant metal as the central ion. One-electron oxidation of the aluminum porphyrin initiates the two-electron oxidation of water to form hydrogen peroxide as the primary reaction product with the lowest known overpotential (97 mV). The aluminum-peroxo complex was clearly detected by a cold-spray ionization mass-spectrometry in HRMS mode and the structure of the intermediate was further confirmed using laser-Raman spectroscopy, indicating the hydroperoxy complex of AlTMPyP to be the key intermediate in the reaction...
March 20, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28320512/effect-of-congenital-heart-disease-on-4-year-neurodevelopment-within-multiple-gestation-births
#4
Amy H Schultz, Richard F Ittenbach, Marsha Gerdes, Gail P Jarvik, Gil Wernovsky, Judy Bernbaum, Cynthia Solot, Robert R Clancy, Susan C Nicolson, Thomas L Spray, Donna McDonald-McGinn, Elaine Zackai, J William Gaynor
OBJECTIVES: We sought to assess the effect of congenital heart disease requiring infant surgery with cardiopulmonary bypass on neurodevelopmental outcomes and growth at 4 years of age, while matching for gestational age, socioeconomic status, maternal gestational conditions, home environment, and parental intelligence by studying multiple-gestation births. METHODS: We performed within-family comparison of 14 multiple-gestation births in which 1 child had congenital heart disease requiring surgery with cardiopulmonary bypass at ≤6 months of age...
February 21, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28287055/congenital-pulmonary-lymphangiectasia-and-early-mortality-after-stage-1-reconstruction-procedures
#5
Jeremy L Herrmann, Mallory L Irons, Christopher E Mascio, Jack Rychik, Thomas L Spray, J William Gaynor, Jennifer E Pogoriler
OBJECTIVES: Pulmonary lymphangiectasia associated with hypoplastic left heart syndrome with an intact or restrictive atrial septum may result from increased left atrial pressure, and is associated with worse outcomes following staged reconstruction due to lung dysfunction and significant hypoxaemia. Our objective was to characterise the incidence of pulmonary lymphangiectasia in cases of early mortality following stage 1 reconstructions. METHODS: An institutional cardiac surgical database was retrospectively searched for patients who died within 30 days following a stage 1 reconstruction between 1 January, 1984 and 31 December, 2013...
March 13, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28276775/cannabinoids-therapeutic-use-what-is-our-current-understanding-following-the-introduction-of-thc-thc-cbd-oromucosal-spray-and-others
#6
Mauro Maccarrone, Rafael Maldonado, Miguel Casas, Thomas Henze, Diego Centonze
The complexity of the endocannabinoid (eCB) system is becoming better understood and new drivers of eCB signaling are emerging. Modulation of the activities of the eCB system can be therapeutic in a number of diseases. Research into the eCB system has been paralleled by the development of agents that interact with cannabinoid receptors. In this regard it should be remembered that herbal cannabis contains a myriad of active ingredients, and the individual cannabinoids have quite distinct biological activities requiring independent studies...
April 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28268011/hands-on-surgical-training-of-congenital-heart-surgery-using-3-dimensional-print-models
#7
Shi-Joon Yoo, Thomas Spray, Erle H Austin, Tae-Jin Yun, Glen S van Arsdell
OBJECTIVE: Patient-based congenital heart surgery (CHS) training is opportunity-based and difficult. Three-dimensional (3D) print models of the heart were used for hands-on surgical training (HOST) at the 2015 AATS and subsequently in 2 local institutions. We aim to introduce the process of 3D printing for surgical simulation and to present the attendee's responses. METHODS: Using CT or MR angiograms, the models of congenital heart disease were created and printed with flexible rubberlike material...
February 9, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28255257/metered-cryospray%C3%A2-a-novel-uniform-controlled-and-consistent-in-vivo-application-of-liquid-nitrogen-cryogenic-spray
#8
Thomas I Mulcahey, James E Coad, Wei Li Fan, Daniel J Grasso, Brian M Hanley, Heather V Hawkes, Sean A McDermott, John P O'Connor, Ellen E Sheets, Charles J Vadala
In this article, a novel cryotherapy approach using a uniform, controlled, and consistent in vivo application of liquid nitrogen (LN2) spray as a Metered Cryospray(™) (MCS) process is described. Although MCS may be used for many potential clinical applications, this paper focuses on the development that led to the controlled and consistent delivery of radial LN2 cryogen spray in order to generate a uniform circumferential effect and how the amount of MCS can be adapted to specifically ablate targeted diseases within a patient's lumen such as an airway or esophagus...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/28183343/spectrum-malaria-a-user-friendly-projection-tool-for-health-impact-assessment-and-strategic-planning-by-malaria-control-programmes-in-sub-saharan-africa
#9
Matthew Hamilton, Guy Mahiane, Elric Werst, Rachel Sanders, Olivier Briët, Thomas Smith, Richard Cibulskis, Ewan Cameron, Samir Bhatt, Daniel J Weiss, Peter W Gething, Carel Pretorius, Eline L Korenromp
BACKGROUND: Scale-up of malaria prevention and treatment needs to continue but national strategies and budget allocations are not always evidence-based. This article presents a new modelling tool projecting malaria infection, cases and deaths to support impact evaluation, target setting and strategic planning. METHODS: Nested in the Spectrum suite of programme planning tools, the model includes historic estimates of case incidence and deaths in groups aged up to 4, 5-14, and 15+ years, and prevalence of Plasmodium falciparum infection (PfPR) among children 2-9 years, for 43 sub-Saharan African countries and their 602 provinces, from the WHO and malaria atlas project...
February 10, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28182982/rapid-widespread-distribution-of-intranasal-naloxone-for-overdose-prevention
#10
Desiree Madah-Amiri, Thomas Clausen, Philipp Lobmaier
BACKGROUND: Take home naloxone programs have been successful internationally in training bystanders to reverse an opioid overdose with naloxone, an opioid antagonist. A multi-site naloxone distribution program began in Norway in 2014 as part of a national overdose prevention strategy. The aim of this study was to a) describe the program, and b) present findings from the government-supported intervention. METHODS: From July 2014 to December 2015, staff from multiple low-threshold facilities trained clients on how to use intranasal naloxone...
April 1, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28181336/impact-of-high-concentrations-of-sevoflurane-on-laryngeal-reflex-responses
#11
Thomas O Erb, Britta S von Ungern-Sternberg, Jens Moll, Franz J Frei
BACKGROUND: Exaggerated defensive upper airway reflexes, particularly laryngospasm, may cause hypoxemic damage, especially in children. General clinical experience suggests that laryngeal reflex responses are more common under light levels of anesthesia, and previous clinical studies have shown an inverse correlation between laryngeal responsiveness and depth of hypnosis. However, this seems to be less obvious in children anesthetized with sevoflurane. The aim of this study was to assess the impact of high concentrations of sevoflurane on laryngeal and respiratory reflex responses in spontaneously breathing children...
February 8, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28174366/radiofrequency-glow-discharge-as-a-mode-of-disinfection-for-elastomeric-impression-materials
#12
Susan Mathew, Mathew M Alani, K N Velayudhan Nair, Sayij Haridas, P B Reba, Sherin A Thomas
INTRODUCTION: Prosthodontic practice involves procedures in which impressions of the maxillary and mandibular arches are mandatory. Cross infection is one of the major problems that can occur in regular dental practice. Every dentist should take utmost care to prevent cross infection as oral cavity is the source of variety of microorganisms which can often cause diseases that can be fatal. Although precautions, such as wearing of gloves and mask, sterilization of instruments are given importance, the need for disinfection of impressions is often neglected...
February 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28148316/design-and-initial-results-of-a-programme-for-routine-standardised-longitudinal-follow-up-after-congenital-heart-surgery
#13
Sara K Pasquali, Chitra Ravishankar, Jennifer C Romano, Kristin Kane, Suzanne Viers, Andrea Kennedy, Nancy Burnham, Ray Lowery, Karen Uzark, Lauren Retzloff, Jonathon J Rome, Joseph W Rossano, John R Charpie, Thomas L Spray, Michael G Gaies, Richard G Ohye, J William Gaynor
BACKGROUND: With improvements in early survival following congenital heart surgery, it has become increasingly important to understand longer-term outcomes; however, routine collection of these data is challenging and remains very limited. We describe the development and initial results of a collaborative programme incorporating standardised longitudinal follow-up into usual care at the Children's Hospital of Philadelphia (CHOP) and University of Michigan (UM). METHODS: We included children undergoing benchmark operations of the Society of Thoracic Surgeons...
December 2016: Cardiology in the Young
https://www.readbyqxmd.com/read/28144570/nanocrystalline-tio2-sno2-heterostructures-for-gas-sensing
#14
Barbara Lyson-Sypien, Anna Kusior, Mieczylaw Rekas, Jan Zukrowski, Marta Gajewska, Katarzyna Michalow-Mauke, Thomas Graule, Marta Radecka, Katarzyna Zakrzewska
The aim of this research is to study the role of nanocrystalline TiO2/SnO2 n-n heterojunctions for hydrogen sensing. Nanopowders of pure SnO2, 90 mol % SnO2/10 mol % TiO2, 10 mol % SnO2/90 mol % TiO2 and pure TiO2 have been obtained using flame spray synthesis (FSS). The samples have been characterized by BET, XRD, SEM, HR-TEM, Mössbauer effect and impedance spectroscopy. Gas-sensing experiments have been performed for H2 concentrations of 1-3000 ppm at 200-400 °C. The nanomaterials are well-crystallized, anatase TiO2, rutile TiO2 and cassiterite SnO2 polymorphic forms are present depending on the chemical composition of the powders...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28141955/investigational-new-drugs-for-allergic-rhinitis
#15
REVIEW
Peter A Ricketti, Sultan Alandijani, Chen Hsing Lin, Thomas B Casale
Allergic rhinitis (AR) is a multifactorial disease characterized by paroxysmal symptoms of sneezing, rhinorrhea, postnasal drip and nasal congestion. For over a century, subcutaneous allergen immunotherapy (SCIT) has been recognized as the most effective therapy to date that may modify the underlying disease course and provide long-term benefits for individuals refractory to pharmacotherapy. However, over the past 25 years, there has been substantial growth in developing alternative therapies to traditional SCIT...
March 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28091570/increasing-the-potential-for-malaria-elimination-by-targeting-zoophilic-vectors
#16
Jessica L Waite, Sunita Swain, Penelope A Lynch, S K Sharma, Mohammed Asrarul Haque, Jacqui Montgomery, Matthew B Thomas
Countries in the Asia Pacific region aim to eliminate malaria by 2030. A cornerstone of malaria elimination is the effective management of Anopheles mosquito vectors. Current control tools such as insecticide treated nets or indoor residual sprays target mosquitoes in human dwellings. We find in a high transmission region in India, malaria vector populations show a high propensity to feed on livestock (cattle) and rest in outdoor structures such as cattle shelters. We also find evidence for a shift in vector species complex towards increased zoophilic behavior in recent years...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28068869/a-regenerative-cardiac-patch-formed-by-spray-painting-of-biomaterials-onto-the-heart
#17
Junnan Tang, Adam Vandergriff, Zegen Wang, Michael Taylor Hensley, Jhon Cores, Tyler A Allen, Phuong-Uyen Dinh, Jinying Zhang, Thomas George Caranasos, Ke Cheng
Layering a regenerative polymer scaffold on the surface of the heart, termed as a cardiac patch, has been proven to be effective in preserving cardiac function after myocardial infarction (MI). However, the placement of such a patch on the heart usually needs open-chest surgery, which is traumatic, therefore prevents the translation of this strategy into the clinic. We sought to device a way to apply a cardiac patch by spray painting in situ polymerizable biomaterials onto the heart with a minimally invasive procedure...
March 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28031423/neurological-injury-and-cerebral-blood-flow-in-single-ventricles-throughout-staged-surgical-reconstruction
#18
Mark A Fogel, Christine Li, Okan U Elci, Tom Pawlowski, Peter J Schwab, Felice Wilson, Susan C Nicolson, Lisa M Montenegro, Laura Diaz, Thomas L Spray, J William Gaynor, Stephanie Fuller, Christopher Mascio, Marc S Keller, Matthew A Harris, Kevin K Whitehead, Jim Bethel, Arastoo Vossough, Daniel J Licht
BACKGROUND: Patients with a single ventricle experience a high rate of brain injury and adverse neurodevelopmental outcome; however, the incidence of brain abnormalities throughout surgical reconstruction and their relationship with cerebral blood flow, oxygen delivery, and carbon dioxide reactivity remain unknown. METHODS: Patients with a single ventricle were studied with magnetic resonance imaging scans immediately prior to bidirectional Glenn (pre-BDG), before Fontan (BDG), and then 3 to 9 months after Fontan reconstruction...
February 14, 2017: Circulation
https://www.readbyqxmd.com/read/28012848/detection-of-sessile-serrated-adenomas-in-proximal-colon-using-wide-field-fluorescence-endoscopy
#19
Bishnu P Joshi, Zhenzhen Dai, Zhenghong Gao, Jeong Hoon Lee, Navin Ghimire, Jing Chen, Anoop Prabhu, Erik J Wamsteker, Richard S Kwon, Grace H Elta, Elena M Stoffel, Asha Pant, Tonya Kaltenbach, Roy M Soetikno, Henry D Appelman, Rork Kuick, D Kim Turgeon, Thomas D Wang
BACKGROUND & AIMS: Many cancers in the proximal colon develop via from sessile serrated adenomas (SSAs), which have flat, subtle features that are difficult to detect with conventional white-light colonoscopy. Many SSA cells have the V600E mutation in BRAF. We investigated whether this feature could be used with imaging methods to detect SSAs in patients. METHODS: We used phage display to identify a peptide that binds specifically to SSAs, using subtractive hybridization with HT29 colorectal cancer cells containing the V600E mutation in BRAF and Hs738...
December 22, 2016: Gastroenterology
https://www.readbyqxmd.com/read/28007065/a-word-of-caution-in-public-reporting
#20
REVIEW
Thomas L Spray, J William Gaynor
Public reporting in its current form will lead to confusion amongst physicians, administrators, families, and the media. It is unclear that we are giving the families information they really need. At the current time there is no evidence that public reporting really leads to improved outcomes. Rather, it may lead to risk aversion and limit access to care. This is a problem not just for congenital heart surgery but for the entire field of medicine and the care that we provide to our patients. We must be very careful that we don't create a system where we are afraid to take on a patient with increased risk of mortality because it may affect our overall ranking...
January 2017: Seminars in Thoracic and Cardiovascular Surgery. Pediatric Cardiac Surgery Annual
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