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https://www.readbyqxmd.com/read/28227309/an-analysis-of-sounds-for-lungs-with-excessive-water
#1
Kah Jun Hong, Wee Ser, David Chee-Guan Foo, Kah Jun Hong, Wee Ser, David Chee-Guan Foo, Wee Ser, Kah Jun Hong, David Chee-Guan Foo
Excessive lung water occurs when too much water accumulates in the lung, causing breathing difficulty. Current diagnosis methods include X-rays and CT-scans. However, because of their bulk and the need for trained professionals to operate, physicians rely on auscultation for preliminary diagnosis. Recent attempts have been made to automate the auscultation process and some degree of success has been reported. Thus, it would be useful to provide more analysis of such lung sounds. This paper attempts to study the characteristics of breathing sounds from lungs with excessive water and compare them with breathing sounds from healthy lungs...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226325/lung-ultrasound-in-hemodialysis-a-card-to-be-played
#2
Pierpaolo Di Nicolò, Giacomo Magnoni, Antonio Granata
The end-stage renal disease is characterized by a profound impairment in the regulation of body fluid distribution, and volume assessment in hemodialysis is one of the challenging goals for the nephrologist. To determine a state of euvolemia, different validated techniques have been employed and among them lung ultrasonography (LUS) has recently attracted growing attention on account of its capacity to estimate accurately extra vascular lung water and to detect lung edema even in its early asymptomatic stage, that is, hidden lung congestion...
February 23, 2017: Blood Purification
https://www.readbyqxmd.com/read/28218450/chromium-iv-exposure-via-src-ras-signaling-promotes-cell-transformation
#3
Suthakar Ganapathy, Ping Li, Jean Lafontant, Rui Xiong, Tianqi Yu, Guojun Zhang, Changyan Chen
Hexavalent chromium [Cr(VI)] is a well-known environment carcinogen. The exposure of Cr(VI) through contaminated soil, air particles and drinking water is a strong concern for the public health worldwide. While many studies have been done, it remains unclear which intracellular molecules transduce Cr(VI)-mediated carcinogenic signaling in cells to promote cancer. In this study, we demonstrated that upon Cr(VI) treatment, the intracellular receptor src was activated, which further upregulated Ras activity, leading to the augmentation of ROS and onset of ER stress in human lung epithelial BEAS-2B or keratinocytes...
February 20, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28217612/isolated-pulmonary-hydatid-cyst-misinterpreted-as-metastatic-pulmonary-lesion-in-an-operated-case-of-carcinoma-breast-in-young-female
#4
Ravish Kshatriya, Dhaval Prajapati, Nimit Khara, Rajiv Paliwal, Satish Patel
Hydatidosis is caused by Echinococcus granulosus. Humans may be infected incidentally as intermediate host by the accidental consumption of soil, water, or food contaminated by fecal matter of an infected animal. Hydatidosis is one of the most symptomatic parasitic infections in various livestock - raising countries. Lung is the second most commonly affected organ following the liver. The symptoms depend on the size and site of the lesion. It can present as an asymptomatic pulmonary lesion to hemoptysis, chest pain, coughing anaphylaxis, and shock...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28216440/protective-effect-of-hwangryunhaedok-tang-water-extract-against-chronic-obstructive-pulmonary-disease-induced-by-cigarette-smoke-and-lipopolysaccharide-in-a-mouse-model
#5
Na-Rae Shin, Je-Won Ko, Sung-Hyeuk Park, Young-Kwon Cho, Sei-Ryang Oh, Kyung-Seob Ahn, Jung-Min Ryu, Jong-Choon Kim, Chang-Seob Seo, In-Sik Shin
ETHNOPHARMACOLOGICAL RELEVANCE: Hwangryunhaedok-tang is an oriental herbal formula treated to cure inflammation and gastric disorders in China, Japan, and Korea. We explored the protective effects of Hwangryunhaedok-tang water extract (HRWE) against airway pathophysiological changes caused by cigarette smoke (CS) and lipopolysaccharide (LPS) in a mouse. MATERIALS AND METHODS: We performed quantitative analyses of five marker components, namely geniposide, baicalin, coptisine, plamatine, and berberine, using high-performance liquid chromatography...
February 16, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28208014/improved-antitumor-efficacy-of-hyaluronic-acid-complexed-paclitaxel-nanoemulsions-in-treating-non-small-cell-lung-cancer
#6
Joo-Eun Kim, Young-Joon Park
Paclitaxel (PTX) is a effectively chemotherapeutic agent which is extensively able to treat the non-small cell lung, pancreatic, breast and other cancers. But it is a practically insoluble drug with water solubility less than 1 µg/mL, which restricts its therapeutic application. To overcome the problem, hyaluronic acid-complexed paclitaxel nanoemulsions (HPNs) were prepared by ionic complexation of paclitaxel (PTX) nanoemulsions and hyaluronic acid (HA) to specifically target non-small cell lung cancer. HPNs were composed of DL-α-tocopheryl acetate, soybean oil, polysorbate 80, ferric chloride, and HA and fabricated by high-pressure homogenization...
February 17, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28205216/the-diagnostic-value-of-quantitative-assessment-of-diatom-test-for-drowning-an-analysis-of-128-water-related-death-cases-using-microwave-digestion-vacuum-filtration-automated-scanning-electron-microscopy
#7
Jian Zhao, Chao Liu, Adham Sameer A Bardeesi, Yeda Wu, Yanbing Ma, Sunlin Hu, He Shi, Jianding Cheng
The value of diatom test for the diagnosis of drowning remains controversial. The conventional forensic diatom test with low sensitivity is not a useful tool to provide accurate information about diatom in the tissues and organs. To improve the sensitivity of the diatom test, we developed a novel method called the Microwave Digestion-Vacuum Filtration-Automated Scanning Electron Microscopy (MD-VF-Auto SEM) method which resulted in a high recovery of diatoms. In this article, we analyzed 128 water-related death cases...
February 15, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28203422/colobronchial-fistula-the-pathogenesis-clinical-presentations-diagnosis-and-treatment
#8
Jinbo Zhao, Nan Ma, Zhengwei Zhao, Jie Lei, Qiang Lu, Feng Tian, Yongan Zhou, Yong Han, Xiaofei Li
BACKGROUND: Colobronchial fistula (CBF) is rare and easy to be delayed in clinic. There is no systemic study about this disease. The pathogenesis, clinical presentations, diagnosis and treatment of CBF were analyzed in this study. METHODS: The clinical data from 37 cases of CBF, which included one case in our institute and the other 36 cases in literature from January 1960 to August 2016, were reviewed and analyzed. The etiology, clinical presentations, diagnostic and therapeutic methods, and outcomes were summarized...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28203411/development-of-a-non-infectious-rat-model-of-acute-exacerbation-of-idiopathic-pulmonary-fibrosis
#9
Shan-Shan Chen, Zhao-Fang Yin, Tao Chen, Hui Qiu, Ya-Ru Wei, Shan-Shan Du, Yue-Ping Jin, Meng-Meng Zhao, Qin Wu, Dong Weng, Hui-Ping Li
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a chronic progressive interstitial lung disease with severe pulmonary fibrosis. The main cause of IPF-associated death is acute exacerbation of IPF (AE-IPF). This study aims to develop a rat model of AE-IPF by two intratracheal perfusions with bleomycin (BLM). METHODS: Ninety male Sprague Dawley (SD) rats were randomized into three groups: an AE-IPF model group (BLM + BLM group), an IPF model group (BLM group), and a normal control group...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28198075/exercise-induced-b-lines-identify-worse-functional-and-prognostic-stage-in-heart-failure-patients-with-depressed-left-ventricular-ejection-fraction
#10
Maria Chiara Scali, Lauro Cortigiani, Anca Simionuc, Dario Gregori, Mario Marzilli, Eugenio Picano
AIMS: Exercise stress echocardiography (ESE) is recommended by the European Society of Cardiology guidelines for the evaluation of heart failure (HF) patients. Recently, lung ultrasound (LUS) has been proposed for the assessment of extravascular lung water through B-lines. The aim of this study was to assess B-lines during ESE in HF. METHODS AND RESULTS: Standard transthoracic and LUS evaluation was performed during semi-supine ESE in 103 NYHA class I-III HF patients (76 male; mean age 64 ± 12 years) with depressed LVEF (35 ± 8%)...
February 15, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28188922/suplatast-tosilate-protects-the-lung-against-hyperoxic-lung-injury-by-scavenging-hydroxyl-radicals
#11
Kazuhide Fukuhara, Taku Nakashima, Manabu Abe, Takeshi Masuda, Hironobu Hamada, Hiroshi Iwamoto, Kazunori Fujitaka, Nobuoki Kohno, Noboru Hattori
Prolonged exposure to hyperoxia produces extraordinary amounts of reactive oxygen species (ROS) in the lung and causes hyperoxic lung injury. Although supraphysiological oxygen is routinely administered for the management of respiratory failure, there is no effective strategy to prevent hyperoxic lung injury. In our previous study, we showed that suplatast tosilate, an asthma drug that inhibits T helper 2 (Th2) cytokines, ameliorated bleomycin-induced lung injury and fibrosis through Th2-independent mechanisms...
February 7, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28186208/preclinical-evaluation-of-bacterially-produced-rsv-g-protein-vaccine-strong-protection-against-rsv-challenge-in-cotton-rat-model
#12
Sandra Fuentes, Laura Klenow, Hana Golding, Surender Khurana
In current study, we evaluated the safety and protective efficacy of recombinant unglycosylated RSV G protein ectodomain produced in E. coli (in presence and absence of oil-in-water adjuvant) in a preclinical RSV susceptible cotton rat challenge model compared to formaldehyde inactivated RSV (FI-RSV) and live RSV experimental infection. The adjuvanted G protein vaccine induced robust neutralization antibody responses comparable to those generated by live RSV infection. Importantly, adjuvanted G protein significantly reduced viral loads in both the lungs and nose at early time points following viral challenge...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28185800/inhaled-sildenafil-as-an-alternative-to-oral-sildenafil-in-the-treatment-of-pulmonary-arterial-hypertension-pah
#13
Jahidur Rashid, Brijeshkumar Patel, Eva Nozik-Grayck, Ivan F McMurtry, Kurt R Stenmark, Fakhrul Ahsan
The practice of treating PAH patients with oral or intravenous sildenafil suffers from the limitations of short dosing intervals, peripheral vasodilation, unwanted side effects, and restricted use in pediatric patients. In this study, we sought to test the hypothesis that inhalable poly(lactic-co-glycolic acid) (PLGA) particles of sildenafil prolong the release of the drug,produce pulmonary specific vasodilation, reduce the systemic exposure of the drug, and may be used as an alternative to oral sildenafil in the treatment of PAH...
February 6, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28182160/curcumin-coordinated-nanoparticles-with-improved-stability-for-reactive-oxygen-species-responsive-drug-delivery-in-lung-cancer-therapy
#14
Cheng-Qiong Luo, Lei Xing, Peng-Fei Cui, Jian-Bin Qiao, Yu-Jing He, Bao-An Chen, Liang Jin, Hu-Lin Jiang
BACKGROUND: The natural compound curcumin (Cur) can regulate growth inhibition and apoptosis in various cancer cell lines, although its clinical applications are restricted by extreme water insolubility and instability. To overcome these hurdles, we fabricated a Cur-coordinated reactive oxygen species (ROS)-responsive nanoparticle using the interaction between boronic acid and Cur. MATERIALS AND METHODS: We synthesized a highly biocompatible 4-(hydroxymethyl) phenylboronic acid (HPBA)-modified poly(ethylene glycol) (PEG)-grafted poly(acrylic acid) polymer (PPH) and fabricated a Cur-coordinated ROS-responsive nanoparticle (denoted by PPHC) based on the interaction between boronic acid and Cur...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28181029/smoking-modify-the-effects-of-polycyclic-aromatic-hydrocarbons-exposure-on-oxidative-damage-to-dna-in-coke-oven-workers
#15
Jin Yang, Hongjie Zhang, Huitao Zhang, Wubin Wang, Yanli Liu, Yanfeng Fan
PURPOSE: Coke oven emissions containing polycyclic aromatic hydrocarbons (PAHs) are predominant toxic constituents of particulate air pollution that have been linked to increased risk of lung cancer. Numerous epidemiological studies have suggested that oxidative DNA damage may play a pivotal role in the carcinogenic mechanism of lung cancer. Little is known about the effect of interaction between PAHs exposure and lifestyle on DNA oxidative damage. METHODS: The study population is composed by coke oven workers (365) and water treatment workers (144), and their urinary levels of four PAH metabolites and 8-hydroxydeoxyguanosine (8-OHdG) were determined...
February 8, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28176891/prevalence-of-swallowing-dysfunction-screened-in-swedish-cohort-of-copd-patients
#16
Margareta Gonzalez Lindh, Monica Blom Johansson, Margareta Jennische, Hirsh Koyi
BACKGROUND: COPD is a common problem associated with morbidity and mortality. COPD may also affect the dynamics and coordination of functions such as swallowing. A misdirected swallow may, in turn, result in the bolus entering the airway. A growing body of evidence suggests that a subgroup of people with COPD is prone to oropharyngeal dysphagia. The aim of this study was to evaluate swallowing dysfunction in patients with stable COPD and to determine the relation between signs and symptoms of swallowing dysfunction and lung function (forced expiratory volume in 1 second percent predicted)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28165804/improved-oral-absorption-and-anti-lung-cancer-activity-of-paclitaxel-loaded-mixed-micelles
#17
Jian Hou, E Sun, Zhen-Hai Zhang, Jing Wang, Lei Yang, Li Cui, Zhong-Cheng Ke, Xiao-Bin Tan, Xiao-Bin Jia, Huixia Lv
The aim of this study was to establish a paclitaxel (PTX)-loaded mixed micelle delivery system (PTX-TP-M) with vitamin E-TPGS (TPGS) and Plasdone®S-630 Copovidone (PVPS630) as carriers to improve the solubility, oral absorption, and anti-tumor activity of PTX against lung cancer. In this study, PTX-TP-M was prepared using the ethanol thin-film dispersion method followed by characterization of the binary mixed micelles system. The average size of the PTX-TP-M was 83.5 ± 1.8 nm with a polydispersity index of 0...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28154825/bu-zhong-yi-qi-decoction-the-water-extract-of-chinese-traditional-herbal-medicine-enhances-cisplatin-cytotoxicity-in-a549-ddp-cells-through-induction-of-apoptosis-and-autophagy
#18
Ning Yu, Ying Xiong, Chun Wang
Cisplatin is one of the most active cytotoxic agents for non-small cell lung cancer (NSCLC) treatment. However, the development of cisplatin resistance is common. Bu-Zhong-Yi-Qi decoction (BZYQD), a Chinese traditional herbal medicine, is widely used for the enhancement of antitumor effect in other medications. In this study, we evaluated the effect and drug-resistance reversal mechanism of BZYQD combined with cisplatin on cisplatin-resistant A549/DDP cells. Our results showed that BZYQD exhibited direct cytotoxic and chemosensitizing effects...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28152278/oligohydramnios-compromises-lung-cells-size-and-interferes-with-epithelial-endothelial-development
#19
Tanbir Najrana, Lauren M Ramos, Rasha Abu Eid, Juan Sanchez-Esteban
BACKGROUND AND OBJECTIVE: Severe oligohydramnios can induce pulmonary hypoplasia. However, the mechanisms by which leaking of fluids cause lung hypoplasia are not well defined. The objective of this study was to characterize a mouse model of pulmonary hypoplasia induced by oligohydramnios. METHODS: Amniotic sacs were punctured on E14.5 of gestation. Untouched fetuses were used as control. Pregnancy was allowed to continue until E18.5 in which lung tissue was collected and evaluated for morphometry, proliferation, differentiation, apoptosis, and angiogenesis...
February 2, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28145907/evaluation-of-reperfusion-pulmonary-edema-by-extravascular-lung-water-measurements-after-pulmonary-endarterectomy
#20
François Stéphan, Aurélien Mazeraud, Florent Laverdure, Julien Camous, Elie Fadel
OBJECTIVES: Reperfusion pulmonary edema is a specific complication of pulmonary endarterectomy for chronic thromboembolic pulmonary hypertension. Extravascular lung water measurement may be valuable for diagnosing reperfusion pulmonary edema. The primary objective of this study was to describe and assess the clinical significance of extravascular lung water variations after pulmonary endarterectomy. DESIGN: Prospective observational study. SETTING: Nineteen-bed cardiothoracic ICU...
January 31, 2017: Critical Care Medicine
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