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https://www.readbyqxmd.com/read/28816096/management-of-severe-pulmonary-hemorrhage-in-a-neonate-on-veno-arterial-ecmo-by-the-temporary-clamping-of-the-endotracheal-tube-a-case-report
#1
Vaclab Vobruba, Tomas Grus, Frantisek Mlejnsky, Jan Belohlavek, Jan Hridel, Lukas Lambert
Severe pulmonary hemorrhage in the newborn is an infrequent, but life-threatening, event. A newborn with persistent pulmonary hypertension and a large persistent ductus arteriosus and open foramen ovale presented with hypoxemia and progressive right heart failure shortly after birth, requiring veno-arterial extracorporeal membrane oxygenation (ECMO) support. Twenty minutes after the initiation of ECMO, the patient developed severe pulmonary hemorrhage refractory to conventional treatment. As a last resort, the endotracheal tube was clamped...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28814580/ventrain-from-theory-to-practice-bridging-until-re-tracheostomy
#2
Bianca Maria Wahlen, Hassan Al-Thani, Ayman El-Menyar
Imminent upper airway obstruction due to life-threatening tracheal stenosis of any cause is challenging. A 77-year-old woman, with a history of temporal tracheostomy for prolonged mechanical ventilation, presented with life-threatening tracheal stenosis to the emergency department. After failed intubation with a 5.0 mm internal diameter endotracheal tube, the patient was ventilated via a tube exchanger using Ventrain. Ventrain is a manual ventilation device that, in addition to oxygen supply during inspiration, initiates expiration by actively removing gas from the lungs by suction...
August 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28814258/management-of-complicated-pneumonia-in-childhood-a-review-of-recent-literature
#3
John B Darby, Amrita Singh, Ricardo Quinonez
BACKGROUND: Despite declining rates of community acquired pneumonia (CAP) in children, complicated pneumonia has been on the rise in the last two decades. The management of complicated pneumonia is challenging and continues to be an area of investigation. Despite recently published guidelines, many gaps exist and recent studies attempt to answer challenging questions. OBJECTIVE: To review recently published literature to inform the clinician on the most up to date management of complicated pneumonia in children...
August 16, 2017: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/28814254/bronchiolitis-care-in-the-hospital
#4
Jennifer Orr Vincent, Huay-Ying Lo, Susan Wu
BACKGROUND: Viral bronchiolitis is a common cause of hospitalization in young children, but despite a variety of therapeutic options, the mainstay of treatment remains supportive care. OBJECTIVE: To examine the most recent evidence for supportive care measures and pharmacologic options in the treatment of bronchiolitis in the hospital setting Methods: MEDLINE search with expert medical librarian for publications on management and therapies for bronchiolitis Results: Evidence does not support the use of bronchodilators, racemic epinephrine, deep suctioning, systemic corticosteroids, or antibiotics in the absence of a concomitant bacterial infection, as these treatments do not change the course of illness or shorten length of stay (LOS)...
August 16, 2017: Reviews on Recent Clinical Trials
https://www.readbyqxmd.com/read/28811312/myosin-ii-is-not-required-for-drosophila-tracheal-branch-elongation-and-cell-intercalation
#5
Amanda Ochoa-Espinosa, Stefan Harmansa, Emmanuel Caussinus, Markus Affolter
The Drosophila tracheal system consists of an interconnected network of monolayered epithelial tubes that ensures oxygen transport in the larval and adult body. During tracheal dorsal branch (DB) development, individual DBs elongate as a cluster of cells, led by tip cells at the front and trailing cells in the rear. Branch elongation is accompanied by extensive cell intercalation and cell lengthening of the trailing stalk cells. Although cell intercalation is governed by Myosin II (MyoII)-dependent forces during tissue elongation in the Drosophila embryo that lead to germ-band extension, it remained unclear whether MyoII plays a similar active role during tracheal branch elongation and intercalation...
August 15, 2017: Development
https://www.readbyqxmd.com/read/28798773/planktonic-growth-of-pseudomonas-aeruginosa-around-a-dual-species-biofilm-supports-the-growth-of-fusobacterium-nucleatum-within-that-biofilm
#6
James C Wang, Joehassin Cordero, Yan Sun, Mayank Aranke, Randall Wolcott, Jane A Colmer-Hamood, Abdul N Hamood
PURPOSE: The goal of this study was to understand the potential interaction between Pseudomonas aeruginosa and Fusobacterium nucleatum within the middle ear. METHODS: We examined the microbiota of ear fluid and tympanostomy tubes (TTs) obtained from patients with posttympanostomy tube otorrhea. We also examined biofilms formed by P. aeruginosa and F. nucleatum, singly or together, under aerobic or anaerobic conditions. RESULTS: While the facultative anaerobe P...
2017: International Journal of Otolaryngology
https://www.readbyqxmd.com/read/28794695/water-filtered-infrared-a-wira-overcomes-swallowing-disorders-and-hypersalivation-a-case-report
#7
Gerd Hoffmann
Case description: A patient with a Barrett oesophageal carcinoma and a resection of the oesophagus with gastric pull-up developed swallowing disorders 6 years and 2 months after the operation. Within 1 year and 7 months two recurrences of the tumor at the anastomosis were found and treated with combined chemoradiotherapy or chemotherapy respectively. 7 years and 9 months after the operation local tumor masses and destruction were present with no ability to orally drink or eat (full feeding by jejunal PEG tube): quality of life was poor, as saliva and mucus were very viscous (pulling filaments) and could not be swallowed and had to be spat out throughout the day and night resulting in short periods of sleep (awaking from the necessity to spit out)...
2017: German Medical Science: GMS E-journal
https://www.readbyqxmd.com/read/28793782/direct-activation-of-nadph-oxidase-2-by-2-deoxyribose-1-phosphate-triggers-nuclear-factor-kappa-b-dependent-angiogenesis
#8
Dina Vara, Joanna M Watt, Tiago M Fortunato, Harry Mellor, Matthew Burgess, Kate Wicks, Kimberly Mace, Shaun Reeksting, Anneke T Lubben, Caroline Pd Wheeler-Jones, Giordano Pula
AIMS: Deoxyribose-1-phosphate (dRP) is a pro-angiogenic paracrine stimulus released by cancer cells, platelets and macrophages and acting on endothelial cells. The objective of this study was to clarify how dRP stimulates angiogenic responses in human endothelial cells. RESULTS: Live cell imaging, electron paramagnetic resonance (EPR), pull-down of dRP-interacting proteins followed by immunoblotting, gene silencing of different NOXs and their regulatory co-subunits by siRNA transfection, and experiments with inhibitors of the sugar transporter GLUT1 were utilized to demonstrate that dRP acts intracellularly by directly activating the endothelial NADPH oxidase 2 (NOX2) complex, but not NOX4...
August 10, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28793002/laryngeal-tube-suction-for-airway-management-during-in-hospital-emergencies
#9
Haitham Mutlak, Christian Friedrich Weber, Dirk Meininger, Colleen Cuca, Kai Zacharowski, Christian Byhahn, Richard Schalk
OBJECTIVE: The role of supraglottic airway devices in emergency airway management is highlighted in international airway management guidelines. We evaluated the application of the new generation laryngeal tube suction (LTS-II/LTS-D) in the management of in-hospital unexpected difficult airway and cardiopulmonary resuscitation. METHODS: During a seven-year period, patients treated with a laryngeal tube who received routine anesthesia and had an unexpected difficult airway (Cormack Lehane Grade 3-4), who underwent cardiopulmonary resuscitation, or who underwent cardiopulmonary resuscitation outside the operating room and had a difficult airway were evaluated...
July 2017: Clinics
https://www.readbyqxmd.com/read/28774719/defective-methionine-metabolism-in-the-brain-after-repeated-blast-exposures-might-contribute-to-increased-oxidative-stress
#10
Peethambaran Arun, William B Rittase, Donna M Wilder, Ying Wang, Irene D Gist, Joseph B Long
Blast-induced traumatic brain injury (bTBI) is one of the major disabilities in Service Members returning from recent military operations. The neurobiological underpinnings of bTBI, which are associated with acute and chronic neuropathological and neurobehavioral deficits, are uncertain. Increased oxidative stress in the brain is reported to play a significant role promoting neuronal damage associated with both brain injury and neurodegenerative disorders. In this study, brains of rats exposed to repeated blasts in a shock tube underwent untargeted profiling of primary metabolism by automatic linear exchange/cold injection GC-TOF mass spectrometry and revealed acute and sub-acute disruptions in the metabolism of the essential amino acid methionine and associated antioxidants...
July 31, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28774138/first-principles-study-on-the-interaction-mechanisms-of-water-molecules-on-tio%C3%A2-nanotubes
#11
Jianhong Dai, Yan Song
The adsorption properties of water molecules on TiO₂ nanotubes (TiO₂NT) and the interaction mechanisms between water molecules are studied by first principles calculations. The adsorption preferences of water molecules in molecular or dissociated states on clean and H-terminated TiO₂NT are evaluated. Adsorption of OH clusters on (0, 6) and (9, 0) TiO₂ nanotubes are first studied. The smallest adsorption energies are -1.163 eV and -1.383 eV, respectively, by examining five different adsorption sites on each type of tube...
December 16, 2016: Materials
https://www.readbyqxmd.com/read/28772903/dft-study-of-the-oxygen-reduction-reaction-activity-on-fe-n%C3%A2-patched-carbon-nanotubes-the-influence-of-the-diameter-and-length
#12
Xin Chen, Rui Hu, Fan Bai
The influences of diameter and length of the Fe-N₄-patched carbon nanotubes (Fe-N₄/CNTs) on oxygen reduction reaction (ORR) activity were investigated by density functional theory method using the BLYP/DZP basis set. The results indicate that the stability of the Fe-N₄ catalytic site in Fe-N₄/CNTs will be enhanced with a larger tube diameter, but reduced with shorter tube length. A tube with too small a diameter makes a Fe-N₄ site unstable in acid medium since Fe-N and C-N bonds must be significantly bent at smaller diameters due to hoop strain...
May 18, 2017: Materials
https://www.readbyqxmd.com/read/28765755/airway-support-using-a-pediatric-intubation-tube-in-adult-patients-with-atrial-fibrillation-a-simple-and-unique-method-to-prevent-heart-movement-during-catheter-ablation-under-continuous-deep-sedation
#13
Masateru Takigawa, Atsushi Takahashi, Taishi Kuwahara, Kenji Okubo, Emiko Nakashima, Yuji Watari, Kazuya Yamao, Jun Nakajima, Yasuaki Tanaka, Katsumasa Takagi, Shigeki Kimura, Hiroyuki Hikita, Kenzo Hirao, Mitsuaki Isobe
BACKGROUND: The present study aimed to elucidate the safety and effectiveness of a noble and unique airway management technique in which a pediatric intubation tube is used in adult patients with atrial fibrillation (AF) undergoing catheter ablation (CA) under continuous deep sedation. METHODS: In total, 246 consecutive patients with AF (mean age, 65±10 years; 60 women) underwent CA under dexmedetomidine-based continuous deep sedation. A 4-mm pediatric intubation tube guided by a 10-French intratracheal suction tube was inserted smoothly, and the tip of the tube was located at the base of the epiglottis...
August 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28763898/-effect-of-single-lumen-endobronchial-tube-and-double-lumen-endobronchial-tube-on-ventilation-and-lung-injury-in-patients-with-esophageal-cancer-undergoing-combined-thoracoscopic-and-laparoscopic-esophagectomy
#14
Y L Sun, Y Bai, T K Li, S G Lü, L Wang, X H Lu
Objective: To investigate the effect of the single lumen endobronchial tube and the double lumen endobronchial tube on ventilation and lung injury in patients with esophageal cancer undergoing combined thoracoscopic and laparoscopic esophagectomy. Methods: Sixty patients with esophageal cancer undergoing combined thoracoscopic and laparoscopic esophagectomy were divided into single lumen endobronchial tube group (D group, n=30) and double lumen endobronchial tube group (S, n=30) according to the random number table...
July 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28757355/15-lipoxygenase-1-re-expression-in-colorectal-cancer-alters-endothelial-cell-features-through-enhanced-expression-of-tsp-1-and-icam-1
#15
Sinem Tunçer, Ayşe Gökçe Keşküş, Melis Çolakoğlu, Ismail Çimen, Caner Yener, Özlen Konu, Sreeparna Banerjee
15-lipoxygenase-1 (15-LOX-1) oxygenates linoleic acid to 13(S)-hydroxyoctadecadienoic acid (HODE). The enzyme is widely suppressed in different cancers and its re-expression has tumor suppressive effects. 15-LOX-1 has been shown to inhibit neoangiogenesis in colorectal cancer (CRC); in the present study we confirm this phenomenon and describe the mechanistic basis. We show that re-expression of 15-LOX-1 in CRC cell lines resulted in decreased transcriptional activity of HIF1α and reduced the expression and secretion of VEGF in both normoxic and hypoxic conditions...
July 28, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28752896/metabolic-reprogramming-by-hif-1-activation-enhances-survivability-of-human-adipose-derived-stem-cells-in-ischaemic-microenvironments
#16
Chang Chen, Qi Tang, Yan Zhang, Minjia Dai, Yichen Jiang, Hang Wang, Mei Yu, Wei Jing, Weidong Tian
OBJECTIVES: Poor cell survival severely limits the beneficial effect of adipose-derived stem cell (ADSC)-based therapy for disease treatment and tissue regeneration, which might be caused by the attenuated level of hypoxia-inducible factor-1 (HIF-1) in these cells after having been cultured in 21% ambient oxygen in vitro for weeks. In this study, we explored the role of pre-incubation in dimethyloxalylglycine (DMOG, HIF-1 activator) in the survivability of human ADSCs in a simulated ischaemic microenvironment in vitro and in vivo...
July 28, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28748657/one-dimensional-silver-based-nanomaterials-preparations-and-electrochemical-applications
#17
REVIEW
Qunxing Zhao, Mingming Zhao, Jiaqing Qiu, Wen-Yong Lai, Huan Pang, Wei Huang
One dimensional (1D) silver-based nanomaterials have a great potential in various fields because of their high specific surface area, high electric conductivity, optoelectronic properties, mechanical flexibility and high electro-catalytic efficiency. In this Review, the preparations of 1D silver-based nanomaterials is classified by structure composed of simple silver nanowires/rods/belts/tubes, core-shells, and hybrids. The latest applications based on 1D silver nanomaterials and their composite materials are summarized systematically including electrochemical capacitors, lithium-ion/lithium-oxygen batteries, electrochemical sensors and electrochemical catalysis...
July 27, 2017: Small
https://www.readbyqxmd.com/read/28746664/what-do-cochrane-systematic-reviews-say-about-non-pharmacological-interventions-for-treating-cognitive-decline-and-dementia
#18
Vitória Carvalho Vilela, Rafael Leite Pacheco, Carolina Oliveira Cruz Latorraca, Daniela Vianna Pachito, Rachel Riera
BACKGROUND: Dementia is a highly prevalent condition worldwide. Its chronic and progressive presentation has an impact on physical and psychosocial characteristics and on public healthcare. Our aim was to summarize evidence from Cochrane reviews on non-pharmacological treatments for cognitive disorders and dementia. DESIGN AND SETTING: Review of systematic reviews, conducted in the Discipline of Evidence-Based Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo...
May 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28701710/deficient-vitamin-e-uptake-during-development-impairs-neural-tube-closure-in-mice-lacking-lipoprotein-receptor-sr-bi
#19
Nicolás Santander, Carlos Lizama, María José Parga, Alonso Quiroz, Druso Pérez, Guadalupe Echeverría, Lorena Ulloa, Verónica Palma, Attilio Rigotti, Dolores Busso
SR-BI is the main receptor for high density lipoproteins (HDL) and mediates the bidirectional transport of lipids, such as cholesterol and vitamin E, between these particles and cells. During early development, SR-BI is expressed in extraembryonic tissue, specifically in trophoblast giant cells in the parietal yolk sac. We previously showed that approximately 50% of SR-BI(-/-) embryos fail to close the anterior neural tube and develop exencephaly, a perinatal lethal condition. Here, we evaluated the role of SR-BI in embryonic vitamin E uptake during murine neural tube closure...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28700565/nasal-continuous-positive-airway-pressure-influences-bottle-feeding-in-preterm-lambs
#20
Nathalie Samson, Audrey Michaud, Rahmeh Othman, Charlène Nadeau, Stéphanie Nault, Danny Cantin, Michaël Sage, Céline Catelin, Jean-Paul Praud
BACKGROUND: In preterm infants, the time from initiation to full oral feeding can take weeks, which represents a very worrisome problem in neonatal medicine. Although current knowledge suggests that oral feeding should be introduced early, this is often delayed due to the need for prolonged nasal continuous positive airway pressure (nCPAP). Indeed, most caregivers fear that nCPAP could disrupt sucking-swallowing-breathing coordination and induce tracheal aspiration. The goal of the present study was to assess the impact of nCPAP delivered by the Infant Flow System on the physiology of sucking-swallowing-breathing coordination during bottle-feeding in preterm lambs over 24 h...
July 12, 2017: Pediatric Research
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