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https://www.readbyqxmd.com/read/29718874/diagnosis-and-treatment-of-acute-phlegmonous-gastritis-a-case-report
#1
Hongxin Yang, Zhiqiang Yan, Jiaju Chen, Haitao Xie, Haibin Wang, Qian Wang
RATIONALE: Acute phlegmonous gastritis (PG) is a rare and often fatal condition mainly characterized by severe bacterial infection of the gastric wall. Case reports of PG over the past century average about 1 per year. Early diagnosis and immediate treatment are crucial to achieve positive outcomes. PATIENT CONCERNS: A 47-year-old man was referred to our hospital because of abdominal pain, high fever, and vomiting for 4 days, with aggravation for 24 hours. Physical examination revealed epigastric abdominal pain, rebound pain, and abdominal wall tightness...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29717809/hydrodynamically-formed-uniform-thick-coatings-on-microspheres
#2
Shuaishuai Liang, Jiang Li, Qinda Xu, Jia Man, Haosheng Chen
Forming uniform thick coatings on microspheres remains a significant challenge in various surface modification and drug delivery applications. In this work, a hydrodynamic method is demonstrated for centering microspheres in droplets with sizes ranging from tens to hundreds of micrometers. The core microspheres stay at the center of the droplets due to the hydrodynamic pressure generated in the surrounding liquid shells, despite the significant density difference between the core microsphere and the liquid shell...
May 2, 2018: Small
https://www.readbyqxmd.com/read/29704603/structural-characterization-and-antiviral-activity-of-lentinan-from-lentinus-edodes-mycelia-against-infectious-hematopoietic-necrosis-virus
#3
Guangming Ren, Liming Xu, Tongyan Lu, Jiasheng Yin
A novel lentinan (LNT-I) was extracted from Lentinus edodes mycelia, and purified by an anion-exchange DEAE cellulose column and Sephadex G-200 gel. The structural characterization of LNT-I was determined by gas chromatography-mass spectrometry (GC-MS), high performance gel permeation chromatography (HPGPC), fourier transform infrared spectrometry (FT-IR) and 1D-nuclear magnetic resonance spectroscopy (NMR). The results showed that LNT-I was a β-(1 → 3)-ᴅ-glucan backbone with -(1 → 6)-glucosyl side-branching units, and its molecular weight was 3...
April 25, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29695441/pulmonary-ventilation-perfusion-mismatch-a-novel-hypothesis-for-how-diving-vertebrates-may-avoid-the-bends
#4
REVIEW
Daniel Garcia Párraga, Michael Moore, Andreas Fahlman
Hydrostatic lung compression in diving marine mammals, with collapsing alveoli blocking gas exchange at depth, has been the main theoretical basis for limiting N2 uptake and avoiding gas emboli (GE) as they ascend. However, studies of beached and bycaught cetaceans and sea turtles imply that air-breathing marine vertebrates may, under unusual circumstances, develop GE that result in decompression sickness (DCS) symptoms. Theoretical modelling of tissue and blood gas dynamics of breath-hold divers suggests that changes in perfusion and blood flow distribution may also play a significant role...
April 25, 2018: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/29686570/emphysematous-osteomyelitis-of-the-forefoot
#5
Ahmed Abdelbaki, Neeraj Bhatt, Nishant Gupta, Shuo Li, Shady Abdelbaki, Yogesh Kumar
Emphysematous osteomyelitis is a very rare, potentially fatal infection that requires immediate diagnosis and prompt treatment. Emphysematous osteomyelitis is usually considered whenever intraosseous gas is detected on imaging. Most organisms implicated in emphysematous osteomyelitis are members of the Enterobacteriaceae family or anaerobes; sometimes the infection is polymicrobial. We report a case of emphysematous osteomyelitis of the forefoot in a 33-year-old man with type 1 diabetes mellitus.
January 2018: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/29680830/pulmonary-perfusion-using-intrabronchial-capnography-in-pulmonary-artery-stenosis
#6
Hiroki Nishine, Hiromi Muraoka, Takeo Inoue, Teruomi Miyazawa, Masamichi Mineshita
Stenting at the flow-limiting segment can improve the ventilation-perfusion ratio in patients with central airway stenosis. However, there is no quantitative examination for assessing the perfusion status during interventional bronchoscopy. Intrabronchial capnography can estimate regional gas exchange by measuring carbon dioxide concentration. We herein report a case of bilateral bronchial stenosis where stenting was able to improve ventilation-perfusion ratio using intrabronchial capnography. A 44-year-old man was admitted to our institution with orthopnea...
April 20, 2018: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/29677785/catalytic-pyrolysis-of-pinus-densiflora-over-mesoporous-al%C3%A2-o%C3%A2-catalysts
#7
Young-Min Kim, Gwang Hoon Rhee, Chang Hyun Ko, Ki Hoon Kim, Kyeong Youl Jung, Ji Man Kim, Young-Kwon Park
The thermal and catalytic pyrolysis of Pinus densiflora (P. densiflora) were performed to test the catalytic cracking efficiency of two mesoporous Al2O3 catalysts with different surface areas. Thermogravimetric analysis (TGA) of P. densiflora showed that the differential TG (DTG) peak heights obtained from catalytic pyrolysis were smaller than those of non-catalytic pyrolysis due to the conversion of the reaction intermediates to coke. Pyrolyzer-gas chromatography/mass spectrometry analysis/flame ionization detection (Py-GC/MS/FID) suggested that using the Al2O3 catalysts, the yields of phenols and levoglucosan decreased with a concomitant increase in the yields of aldehydes, alcohol, ketones, and furans...
September 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29663128/isolation-and-structural-characterization-of-a-second-polysaccharide-from-bulbs-of-lanzhou-lily
#8
Fengxia Wang, Wei Wang, Xiaobo Niu, Yulong Huang, Ji Zhang
In this study, a second water-soluble polysaccharide (designated as LDP-2) was isolated from the bulbs of Lanzhou Lily (Lilium davidii var. unicolor). Based on monosaccharide composition and methylation analysis, its structural features were investigated using a variety of characterizations, such as size-exclusion chromatography combined with laser light scattering (SEC-LLS), gas chromatography-mass spectroscopy (GC-MS), infrared (IR) spectroscopy, and nuclear magnetic resonance (NMR) spectroscopy. The results demonstrate that LDP-2 is a homogeneous heteropolysaccharide (molecular weight 6...
April 17, 2018: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29651179/incubation-of-aquilaria-subintegra-with-microbial-culture-supernatants-enhances-production-of-volatile-compounds-and-improves-quality-of-agarwood-oil
#9
Sakon Monggoot, Chadin Kulsing, Yong Foo Wong, Patcharee Pripdeevech
Incubation with microbial culture supernatants improved essential oil yield from Aquilaria subintegra woodchips. The harvested woodchips were incubated with de man, rogosa and sharpe (MRS) agar, yeast mold (YM) agar medium and six different microbial culture supernatants obtained from Lactobacillus bulgaricus , L. acidophilus , Streptococcus thermophilus , Lactococcus lactis , Saccharomyces carlsbergensis and S. cerevisiae prior to hydrodistillation. Incubation with lactic acid bacteria supernatants provided higher yield of agarwood oil (0...
June 2018: Indian Journal of Microbiology
https://www.readbyqxmd.com/read/29625557/case-report-lactic-acidosis-and-rhabdomyolysis-during-telbivudine-and-tenofovir-treatment-for-chronic-hepatitis-b
#10
Yue Ying, Yue-Kai Hu, Jia-Lin Jin, Ji-Ming Zhang, Wen-Hong Zhang, Yu-Xian Huang
BACKGROUND: Current treatment options for chronic hepatitis B (CHB) are pegylated interferon alpha and nucleoside analogues (NAs). NAs have relatively fewer side effects than interferon alpha, and generally well tolerated. Previously 12.9% of patients on telbivudine treatment were reported to develop severe elevation of serum creatine phosphokinase (CPK) levels, but related clinical disease, like lactic acidosis (LA) and rhabdomyolysis (RM) were rare. The pathophysiology may be mitochondrial toxicity, for the NAs inhibit not only hepatitis B virus (HBV) polymerase, but also the host mitochondrial DNA polymerase γ...
April 6, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/29614893/cerebral-artery-gas-embolism-following-navigational-bronchoscopy
#11
Keren Fogelfeld, Richie K Rana, Guy W Soo Hoo
INTRODUCTION: Cerebral artery gas embolism (CAGE) is a rare but serious adverse event with potentially devastating neurologic sequelae. Bronchoscopy is a frequently performed procedure but with only a few reported cases of CAGE. METHODS: We report the first documented case of CAGE associated with electromagnetic navigational bronchoscopy. RESULTS: A 61-year-old man with a left lower lobe nodule underwent electromagnetic navigational bronchoscopy...
January 1, 2018: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/29607238/pulmonary-alveolar-proteinosis-in-setting-of-inhaled-toxin-exposure-and-chronic-substance-abuse
#12
Meirui Li, Salem Alowami, Miranda Schell, Clive Davis, Asghar Naqvi
Pulmonary alveolar proteinosis (PAP) is a rare lung disorder in which defects in alveolar macrophage maturation or function lead to the accumulation of proteinaceous surfactant in alveolar space, resulting in impaired gas exchange and hypoxemia. PAP is categorized into three types: hereditary, autoimmune, and secondary. We report a case of secondary PAP in a 47-year-old man, whose risk factors include occupational exposure to inhaled toxins, especially aluminum dust, the use of anabolic steroids, and alcohol abuse, which in mice leads to alveolar macrophage dysfunction through a zinc-dependent mechanism that inhibits granulocyte macrophage-colony stimulating factor (GM-CSF) receptor signalling...
2018: Case Reports in Pulmonology
https://www.readbyqxmd.com/read/29601876/isolation-purification-and-characterization-of-exopolysaccharide-produced-by-leuconostoc-pseudomesenteroides-yf32-from-soybean-paste
#13
Yanfang Yang, Fang Feng, Qingqing Zhou, Fangkun Zhao, Renpeng Du, Zhijiang Zhou, Ye Han
A water-soluble exopolysaccharide (EPS)-producing strain YF32 was isolated from soybean paste, which was then identified as Leuconostoc pseudomesenteroides. After culturing the strain in Man-Rogosa-Sharpe (MRS) medium containing 5% sucrose at 30 °C for 48 h, the EPS was purified, and a yield of 12.5 g/L was achieved. The weight-average molecular weight (Mw) was 5.54 × 106  Da by high-performance size-exclusion chromatography (HPSEC). The structural characterization of the purified EPS was determined by gas chromatography (GC), Fourier transform infrared (FT-IR),1 H,13 C nuclear magnetic resonance (NMR) spectroscopy...
March 27, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29577091/early-administration-of-venovenous-extracorporeal-life-support-for-status-asthmaticus-during-anaesthetic-induction-case-report-and-literature-review
#14
Won Ho Chang
Here we report a case of a 40-year-old man who visited the emergency room with severe chest pain. He showed a Stanford type B aortic dissection on chest-computed tomography. Despite medical treatment and malperfusion of lower extremities, acute renal failure developed; hence thoracic endovascular aortic repair (TEVAR) was considered under general anaesthesia. After endotracheal intubation, ventilation with low tidal volume required high inspiratory airway pressure. An arterial blood gas analysis showed PaCO2 of 61...
2018: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/29572683/analysis-of-loxoprofen-in-tablets-patches-and-equine-urine-as-tert-butyldimethylsilyl-derivative-by-gas-chromatography-mass-spectrometry
#15
Youngbae Kim, Chan Seo, Suin Oh, Juhwan Kwak, Sumin Jung, Eunsu Sin, Hyunbin Kim, Moongi Ji, Hyeon-Seong Lee, Hyung-Jin Park, Gwang Lee, Jundong Yu, Minsoo Kim, Wonjae Lee, Man-Jeong Paik
Loxoprofen is a non-steroidal anti-inflammatory drug of the 2-arylpropionic acid type, which has used to treat musculoskeletal disorders in the horse racing industry. However, it has also used illicitly to mask clinical signs of inflammation and pain in racehorses. Thus, its accurate analysis has become an important issue in horse doping laboratories. In this study, an analytical method of loxoprofen was developed as tert-butyldimethylsilyl (TBDMS) derivative by gas chromatography-mass spectrometry (GC-MS)...
March 23, 2018: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29571145/atmospheric-concentrations-and-gas-particle-partitioning-of-pcdd-fs-and-dioxin-like-pcbs-around-hochiminh-city
#16
Minh Man Trinh, Ching Lan Tsai, To Thi Hien, Ngo Thi Thuan, Kai Hsien Chi, Chien Guo Lien, Moo Been Chang
Atmospheric PCDD/Fs and dl-PCBs samples were collected in Hochiminh city, Vietnam to address the effect of meteorological parameters, especially rainfall, on the occurrence and gas/particle partitioning of these persistent organic pollutants. The results indicate that PCDD/Fs and dl-PCBs concentrations in industrial site are higher than those measured in commercial and rural sites during both rainy and dry seasons. In terms of mass concentration, ambient PCDD/F levels measured in dry season are significantly higher than those measured in rainy season while dl-PCB levels do not vary significantly between rainy and dry seasons...
March 16, 2018: Chemosphere
https://www.readbyqxmd.com/read/29549995/in-shackleton-s-trails-central-and-local-thermoadaptive-modifications-to-cold-and-hypoxia-after-a-man-hauling-expedition-on-the-antarctic-plateau
#17
Michail E Keramidas, Roger Kölegård, Ola Eiken
Cold and hypoxia constitute the main environmental stressors encountered on the Antarctic Plateau. Hence, we examined whether central and/or peripheral acclimatisation to the combined stressors of cold and hypoxia would be developed in four men following an 11-day man-hauling expedition on this polar region. Before and after the journey, participants performed a static whole-body immersion in 21 °C water, during which they were breathing a hypoxic gas (partial pressure of inspired O2 : ~97 mmHg). To evaluate their local responses to cold, participants also immersed the hand into 8 °C water for 30 min, while they were whole-body immersed and mildly hypothermic [i...
April 2018: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29542027/prolonged-postoperative-ileus-in-a-patient-with-primary-pneumatosis-cystoides-intestinalis-a-case-report
#18
Hiroshi Tamura, Tatsuo Kanda, Tadasu Chida, Hitoshi Kameyama, Ukihide Tateishi, Toshifumi Wakai, Makoto Naito
BACKGROUND: Pneumatosis cystoides intestinalis (PCI) is a rare disease characterized by multiple gas-filled cysts in the intestinal wall and is associated with various comorbidities. We report herein a case of intractable paralytic ileus caused by primary PCI. CASE PRESENTATION: A 73-year-old man visited out hospital complaining of abdominal pain and vomiting. He had been hospitalized twice for intestinal obstruction in the past 2 months. Based on his history of appendectomy, mechanical bowel obstruction caused by adhesion was diagnosed, and the patient underwent surgery...
March 14, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29536255/severe-refractory-infection-due-to-renocolic-fistula-in-a-patient-with-a-giant-kidney-and-adpkd-undergoing-long-term-hemodialysis
#19
Yu Iwashita, Shigeo Negi, Yuko Iwashita, Masaki Higashiura, Yusuke Shigi, Shintaro Yamanaka, Masaki Ohya, Toru Mima, Takashi Shigematsu
Renocolic fistula is rare. Renal cyst infection is a serious complication in patients with autosomal dominant polycystic kidney disease (ADPKD). We present a case of refractory renal cyst infection due to renocolic fistula in a patient with ADPKD. A 65-year-old man with ADPKD on hemodialysis visited our hospital with complaints of fever and left abdominal pain. We diagnosed renal cyst infection with abdominal computed tomography scans. After hospitalization, gas shadow was observed in the left renal cyst. Percutaneous puncture of the cyst was performed...
March 14, 2018: CEN Case Reports
https://www.readbyqxmd.com/read/29535989/rhabdomyolysis-following-colonoscopy-a-case-report
#20
Jin Yong Jeong, Kap Tae Kim, Mi Jin Kim, Yea Jeong Kim
We experienced a case of 1 patient who died from rhabdomyolysis-related complications after colonoscopy. A 60-year-old man had undergone an 'uncomplicated' colonoscopic polypectomy. Approximately 10 hours following this procedure, the patient complained of increasing left abdominal pain. His computed tomography image showed free gas, but his operative findings revealed no macroscopic perforation or abscess formation. Eight hours after the operation, the patient presented with myoglobulinuria, and we diagnosed the condition to be rhabdomyolysis...
February 2018: Annals of Coloproctology
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