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https://www.readbyqxmd.com/read/28100177/effect-of-desflurane-remifentanil-vs-propofol-remifentanil-anesthesia-on-arterial-oxygenation-during-one-lung-ventilation-for-thoracoscopic-surgery-a-prospective-randomized-trial
#1
Youn Joung Cho, Tae Kyong Kim, Deok Man Hong, Jeong-Hwa Seo, Jae-Hyon Bahk, Yunseok Jeon
BACKGROUND: One-lung ventilation during thoracic surgery frequently disturbs normal systemic oxygenation. However, the effect of anesthetics on arterial oxygenation during one-lung ventilation has not been well established in human study. In this clinical trial, we investigated whether a difference between desflurane-remifentanil and propofol-remifentanil anesthesia can be observed with regard to oxygenation during one-lung ventilation for thoracoscopic surgery. METHODS: Adult patients with lung cancer, scheduled for video-assisted thoracoscopic lobectomy without preoperative oxygen support, were screened and randomized to receive desflurane or propofol, with remifentanil continuous infusion in both groups...
January 18, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28071947/presacral-abscess-as-a-rare-complication-of-sacral-nerve-stimulator-implantation
#2
A Gumber, S Ayyar, H Varia, S Pettit
A 50-year-old man with intractable anal pain attributed to proctalgia fugax underwent insertion of a sacral nerve stimulator via the right S3 vertebral foramen for pain control with good symptomatic relief. Thirteen months later, he presented with signs of sepsis. Computed tomography (CT) and magnetic resonance imaging (MRI) showed a large presacral abscess. MRI demonstrated increased enhancement along the pathway of the stimulator electrode, indicating that the abscess was caused by infection introduced at the time of sacral nerve stimulator placement...
January 10, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28062421/intraoperative-oct-assisted-descemetopexy-with-stromal-vent-incisions-and-intracameral-gas-injection-for-case-of-non-resolving-descemet-s-membrane-detachment
#3
Archita Singh, Murugesan Vanathi, Suman Sahu, Saranya Devi
Descemet's membrane detachment (DMD) though uncommon in the present day scenario of advancing surgical techniques is a significant complication that requires prompt diagnosis and management. A middle-aged man presented to our hospital with poor gain of vision following cataract surgery. There was significant corneal oedema with DMD which was confirmed on anterior segment optical coherence tomography. We describe a modified continuous intraoperative-guided approach for the management of DMD in cases with oedematous hazy corneas...
January 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28059500/control-and-monitoring-of-dye-distribution-in-mesoporous-tio2-film-for-improving-photovoltaic-performance
#4
Byung-Man Kim, Hyun-Gyu Han, Jeong Soo Kim, HyeonOh Shin, Tae-Hyuk Kwon
Dye distribution in a mesoporous TiO2 film is a key factor in the performance of dye-sensitized solar cells, but there has been little research on it. Here we report even dye distribution within the porous TiO2 film achieved by a physical driving force of gas flow. Gas-assisted dye arrangement, gas bubbling soaking (GBS), significantly accelerates the dye infiltration compared to conventional overnight soaking (OS). As a demonstration, we investigated the time-dependent dye infiltration using plasmon sensors...
January 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28031836/pulmonary-alveolar-proteinosis-a-case-report-and-world-literature-review
#5
Armando J Huaringa, Wassem H Francis
Pulmonary alveolar proteinosis (PAP) is a lung disorder which was first described in 1958 by Rosen et al. and is indeed rare disease with a prevalence of 0.1 per 100,000 individuals. PAP is characterized by abnormal accumulation of pulmonary surfactant in the alveolar space, which impairs gas exchange leading to a severe hypoxemia. Pulmonary surfactant is an insoluble proteinaceous material that is rich in lipids and stains positive with periodic acid-Schiff (PAS). The most common type of PAP is the so-called autoimmune or idiopathic type...
November 2016: Respirology Case Reports
https://www.readbyqxmd.com/read/28003228/missing-the-point-self-inflicted-traumatic-brain-injury-in-psychosis
#6
Phelan E Maruca-Sullivan, Matthew N Goldenberg, David C Cone, Justine Ciarleglio
A 36-year-old man was brought to the emergency department by emergency medical services after being found acting unusually at a gas station with blood on his head and clothing. He presented acutely psychotic and reported that he had a pen in his head. Medical evaluation was notable for a superficial puncture wound to the right temple, and he was medically cleared for psychiatric evaluation. After he developed nausea and headache later that evening, the CT scan revealed a temporal bone fracture, pneumocephalus, intraparenchymal haemorrhage and the presence of a metal pen tip lodged in the brain parenchyma...
December 21, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/28001155/microporous-rod-metal-organic-frameworks-with-diverse-zn-cd-triazolate-ribbons-as-secondary-building-units-for-co2-uptake-and-selective-adsorption-of-hydrocarbons
#7
Jian-Wei Zhang, Man-Cheng Hu, Shu-Ni Li, Yu-Cheng Jiang, Quan-Guo Zhai
The synthetic design of new porous open-framework materials with pre-designed pore properties for desired applications such as gas adsorption and separation remains challenging. We proposed one such class of materials, rod metal-organic frameworks (rod MOFs), which can be tuned by using rod secondary building units (rod SBUs) with different geometrical and chemical features. Our approach takes advantage of the readily accessible metal-triazolate 1-D motifs as rod SBUs to combine with dicarboxylate ligands to prepare target rod MOFs...
December 21, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28000656/portomesenteric-venous-thrombosis-a-rare-but-probably-under-reported-complication-of-laparoscopic-surgery-a-case-series
#8
Yan Mei Goh, Ajay Tokala, Tarek Hany, Kishore G Pursnani, Ravindra S Date
Portomesenteric venous thrombosis (PMVT) is a rare but well-reported complication following laparoscopic surgery. We present three cases of PMVT following laparoscopic surgery. Our first case is a 71-year-old morbidly obese woman admitted for elective laparoscopic giant hiatus hernia (LGHH) repair. Post-operatively, she developed multi-organ dysfunction and computed tomography scan revealed portal venous gas and extensive small bowel infarct. The second patient is a 51-year-old man with known previous deep venous thrombosis who also had elective LGHH repair...
December 21, 2016: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/27959954/protein-bound-polysaccharide-from-corbicula-fluminea-inhibits-cell-growth-in-mcf-7-and-mda-mb-231-human-breast-cancer-cells
#9
Ningbo Liao, Jianjun Zhong, Ronghua Zhang, Xingqian Ye, Yanjun Zhang, Wenjun Wang, Yuexia Wang, Shiguo Chen, Donghong Liu, Ruihai Liu
A novel protein-bound polysaccharide, CFPS-1, isolated from Corbicula fluminea, is composed predominantly of mannose (Man) and glucose (Glc) in a molar ratio of 3.1:12.7. The polysaccharide, with an average molecular weight of about 283 kDa, also contains 10.8% protein. Atomic force microscopy, high-performance liquid chromatography, Fourier transform infrared spectroscopy, gas chromatography/mass spectrometry, and nuclear magnetic resonance spectroscopy analyses revealed that CFPS-1 has a backbone of 1,6-linked and 1,4,6-linked-α-D-Glc, which is terminated with a 1-linked-α-D-Man residue at the O-4 position of 1,4,6-linked-α-D-Glc, in a molar ratio of 3:1:1...
2016: PloS One
https://www.readbyqxmd.com/read/27939516/nonrheumatic-myopericarditis-post-acute-streptococcal-pharyngitis-an-uncommon-cause-of-sore-throat-with-st-segment-elevation
#10
Ali Pourmand, Daniel Gelman, Steven Davis, Hamid Shokoohi
Nonrheumatic myopericarditis is an uncommon complication of acute pharyngitis caused by Group A Streptococcal infection (GAS). While the natural history of carditis complicating acute rheumatic fever is well established, the incidence, pathophysiology and clinical course of nonrheumatic myopericarditis are ill defined. Advances in rapid bedside testing for both myocardial injury and GAS pharyngitis have allowed for increasing recognition of this uncommon complication in patients presenting with a sore throat with associated chest discomfort...
December 8, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27932159/fulminant-clostridium-perfringens-sepsis-in-kidney-transplant-a-case-report
#11
P Mihaylov, J A Powelson, W C Goggins
BACKGROUND: Infections, particularly urinary tract infections, and cardiovascular accidents are the main causes of morbidity and mortality during the 1st year after kidney transplantation (KT). Bacteria and viruses, such as Escherichia coli, Enteroccoci, and Polyoma BK virus are common in the 1st 6 months, so they are controlled routinely. On the other hand, Clostridium perfringens infection is a rare life-threatening condition, associated with a high mortality rate especially in the transplant population, that is not controlled routinely...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27923571/a-simple-dried-blood-spot-method-for-in-vivo-measurement-of-ureagenesis-by-gas-chromatography-mass-spectrometry-using-stable-isotopes
#12
Gabriella Allegri, Sereina Deplazes, Hiu Man Grisch-Chan, Déborah Mathis, Ralph Fingerhut, Johannes Häberle, Beat Thöny
BACKGROUND: Clinical management of inherited or acquired hyperammonemia depends mainly on the plasma ammonia level which is not a reliable indicator of urea cycle function as its concentrations largely fluctuate. The gold standard to assess ureagenesis in vivo is the use of stable isotopes. METHODS: Here we developed and validated a simplified in vivo method with [(15)N]ammonium chloride ([(15)N]H4Cl) as a tracer. Non-labeled and [(15)N]urea were quantified by GC-MS after extraction and silylation...
January 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27919141/-nonischemic-priapism-following-brachytherapy-a-case-report-and-a-review
#13
Jumpei Oshima, Kazutoshi Fujita, Kentaro Kishimoto, Keigo Osuga, Osamu Suzuki, Tetsuji Soda, Yasutomo Nakai, Hiroshi Kiuchi, Tetsuya Takao, Yasushi Miyagawa, Akira Tsujimura, Norio Nonomura
We report a case of nonischemic priapism following brachytherapy. A 63-year-old man presented 22 days after brachytherapy for prostate cancer. He suffered painless sustained incomplete erection for a few days. The patient was diagnosed with nonischemic priapism by cavernosal blood gas analysis. Right internal pudendal arteriography showed blood pooling in the cavernosum caused by arteriovenous fistula. Selective arterial embolization with gelatin sponge particles was performed and detumescence achieved. To our knowledge,this is the first case of high flow priapism caused by brachytherapy for prostate cancer...
November 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27913383/traumatic-haemopneumothorax-and-whole-body-subcutaneous-emphysema-successful-use-of-a-small-bore-chest-drain
#14
Benjamin Hardy, Nicholas Sunderland, Mevan Perera, Kathryn Channing
A 56-year-old man presented having had two falls at home. He had a background of multiple sclerosis. After his second fall, during which he had fallen onto the toilet injuring his right chest, he was brought into the emergency department reporting pleuritic chest discomfort. Immediately evident was extensive swelling from his forehead to his thighs, which on palpation was found to be subcutaneous emphysema. A chest X-ray showed a large right-sided pneumothorax for which a chest drain was inserted. A CT revealed extensive surgical emphysema, pneumomediastinum, pneumoperitoneum and gas within the spinal canal...
December 2, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27903001/right-in-front-of-our-eyes-evolution-of-streptococcal-toxic-shock-syndrome-with-ischemic-optic-neuropathy
#15
Salaheldin M Elhamamsy, Mazen O Al-Qadi, Taro Minami, Marguerite Neill
INTRODUCTION: Toxic shock syndrome occurs from dysregulation of host inflammatory responses. Toxin- producing strains of Group A streptococcus cause TSS. Ischemic optic neuropathy rarely complicates septic shock. We present a rare case of streptococcal pharyngitis complicated by septic arthritis and TSS with reversible blindness due to non-arteritic ischemic optic neuropathy. CASE: A 28-year-old man drove to our ED with exudative pharyngitis. A rapid streptococcal test was positive...
December 1, 2016: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/27900434/combination-of-microbiological-spectroscopic-and-molecular-docking-techniques-to-study-the-antibacterial-mechanism-of-thymol-against-staphylococcus-aureus-membrane-damage-and-genomic-dna-binding
#16
Lang-Hong Wang, Zhi-Hong Zhang, Xin-An Zeng, De-Ming Gong, Man-Sheng Wang
Thymol (2-isopropyl-5-methylphenol) is a natural ingredient used as flavor or preservative agent in food products. The antibacterial mechanism of thymol against Gram-positive, Staphylococcus aureus was investigated in this work. A total of 15 membrane fatty acids were identified in S. aureus cells by gas chromatography-mass spectrometry. Exposure to thymol at low concentrations induced obvious alterations in membrane fatty acid composition, such as decreasing the proportion of branched 12-methyltetradecanoic acid and 14-methylhexadecanoic acid (from 22...
November 29, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27888224/massive-haemolysis-gas-forming-liver-abscess-and-sepsis-due-to-clostridium-perfringens-bacteraemia
#17
Rafael García Carretero, Marta Romero Brugera, Oscar Vazquez-Gomez, Noelia Rebollo-Aparicio
Clostridial soft tissue infections are infrequent, but can be life-threatening when associated with certain underlying conditions, such as immunosuppression or malignancy. When bacteraemia occurs, it can be accompanied by haemolysis. Only surgical removal of the focus of infection and early onset of antibiotic therapy can prevent a very poor outcome. We describe the case of a man aged 65 years who presented with sepsis, haemolysis and rapid worsening. The identification of a gas-forming liver abscess, the early percutaneous drainage and the prompt initiation of antibiotic treatment were the key factors in the outcome of this patient...
November 25, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27881097/ischaemic-stroke-and-clostridium-septicum-sepsis-and-meningitis-in-a-patient-with-occult-colon-carcinoma-a-case-report-and-review-of-the-literature
#18
REVIEW
Kosmas Macha, Antje Giede-Jeppe, Hannes Lücking, Roland Coras, Hagen B Huttner, Jürgen Held
BACKGROUND: Clostridium septicum is a rare cause of meningitis and brain abscess in children and adults. Gas production by the pathogen can lead to pneumocephalus and the overall mortality rate of Clostridium septicum CNS infection is as high as 74%. The most common entry site of the pathogen is the gastrointestinal tract. CASE PRESENTATION: We describe a 74-year-old man who presented with a left-sided cerebral infarction in the middle cerebral artery territory...
November 24, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27870933/bioremediation-of-hydrocarbon-degradation-in-a-petroleum-contaminated-soil-and-microbial-population-and-activity-determination
#19
Manli Wu, Wei Li, Warren A Dick, Xiqiong Ye, Kaili Chen, David Kost, Liming Chen
Bioremediation of hydrocarbon degradation in petroleum-polluted soil is carried out by various microorganisms. However, little information is available for the relationships between hydrocarbon degradation rates in petroleum-contaminated soil and microbial population and activity in laboratory assay. In a microcosm study, degradation rate and efficiency of total petroleum hydrocarbons (TPH), alkanes, and polycyclic aromatic hydrocarbons (PAH) in a petroleum-contaminated soil were determined using an infrared photometer oil content analyzer and a gas chromatography mass spectrometry (GC-MS)...
February 2017: Chemosphere
https://www.readbyqxmd.com/read/27869667/metabolomics-a-powerful-tool-for-agricultural-research
#20
REVIEW
He Tian, Sin Man Lam, Guanghou Shui
Metabolomics, which is based mainly on nuclear magnetic resonance (NMR), gas-chromatography (GC) or liquid-chromatography (LC) coupled to mass spectrometry (MS) analytical technologies to systematically acquire the qualitative and quantitative information of low-molecular-mass endogenous metabolites, provides a direct snapshot of the physiological condition in biological samples. As complements to transcriptomics and proteomics, it has played pivotal roles in agricultural and food science research. In this review, we discuss the capacities of NMR, GC/LC-MS in the acquisition of plant metabolome, and address the potential promise and diverse applications of metabolomics, particularly lipidomics, to investigate the responses of Arabidopsis thaliana, a primary plant model for agricultural research, to environmental stressors including heat, freezing, drought, and salinity...
November 17, 2016: International Journal of Molecular Sciences
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