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Pulmonary edema

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https://www.readbyqxmd.com/read/28224648/impacts-of-disease-severity-on-postoperative-complications-in-children-with-sleep-disordered-breathing
#1
Kun-Tai Kang, I-Sheng Chang, Chia-Chen Tseng, Wen-Chin Weng, Tzu-Yu Hsiao, Pei-Lin Lee, Wei-Chung Hsu
OBJECTIVES/HYPOTHESIS: To investigate the effects of diseases severity on postoperative complications following adenotonsillectomy (T&A) in children with sleep-disordered breathing (SDB). STUDY DESIGN: Retrospective study. METHODS: Children aged <18 years were enrolled and underwent T&A for treating SDB. Polysomnography was used to classify the disease severity: primary snoring (apnea-hypopnea index [AHI] <1), mild (AHI = 1-5), moderate (AHI = 5-10), and severe obstructive sleep apnea [OSA] (AHI ≥10)...
February 22, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28221187/identification-associated-factors-and-prognosis-of-symptom-clusters-in-taiwanese-patients-with-heart-failure
#2
Tsuey-Yuan Huang, Debra K Moser, Shiow-Li Hwang
BACKGROUND: Patients with heart failure (HF) have multiple distressing symptoms that are associated with poor outcomes. These symptoms do not occur in isolation from each other but likely occur as discrete clusters that may prove helpful to clinicians trying to counsel patients about symptom monitoring and management. Defining common symptom clusters and determining the associations between symptom clusters and outcomes may improve patient management. PURPOSE: The aim of this study was to define symptom clusters and their association with event-free survival in terms of cardiac hospitalization and all-cause mortality in patients with HF...
February 17, 2017: Journal of Nursing Research: JNR
https://www.readbyqxmd.com/read/28218740/maresin1-stimulates-alveolar-fluid-clearance-through-the-alveolar-epithelial-sodium-channel-na-k-atpase-via-the-alx-pi3k-nedd4-2-pathway
#3
Jun-Li Zhang, Xiao-Jun Zhuo, Jing Lin, Ling-Chun Luo, Wei-Yang Ying, Xiang Xie, Hua-Wei Zhang, Jing-Xiang Yang, Dan Li, Fang Gao Smith, Sheng-Wei Jin
Maresin1 (MaR1) is a new docosahexaenoic acid-derived pro-resolving agent that promotes the resolution of inflammation. In this study, we sought to investigate the effect and underlining mechanisms of MaR1 in modulating alveolar fluid clearance (AFC) on LPS-induced acute lung injury. MaR1 was injected intravenously or administered by instillation (200 ng/kg) 8 h after LPS (14 mg/kg) administration and AFC was measured in live rats. In primary rat alveolar type II epithelial cells, MaR1 (100 nM) was added to the culture medium with lipopolysaccharide for 6 h...
February 20, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28216727/high-altitude-dermatology
#4
Lt Col G K Singh
Approximately, 140 million people worldwide live permanently at high altitudes (HAs) and approximately another 40 million people travel to HA area (HAA) every year for reasons of occupation, sports or recreation. In India, whole of Ladakh region, part of Northwest Kashmir, Northern part of Sikkim and Tenga valley of Arunachal are considered inhabited areas of HAA. The low quantity of oxygen, high exposure of ultraviolet (UV) light, very low humidity, extreme subzero temperature in winter, high wind velocity, make this region difficult for lowlanders as well as for tourists...
January 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28212620/clinical-manifestations-of-severe-enterovirus-71-infection-and-early-assessment-in-a-southern-china-population
#5
Si-da Yang, Pei-Qing Li, Yi-Min Li, Wei Li, Wen-Ying Lai, Cui-Ping Zhu, Jian-Ping Tao, Li Deng, Hong-Sheng Liu, Wen-Cheng Ma, Jia-Ming Lu, Yan Hong, Yu-Ting Liang, Jun Shen, Dan-Dan Hu, Yuan-Yuan Gao, Yi Zhou, Min-Xiong Situ, Yan-Ling Chen
BACKGROUND: Enterovirus 71 (EV-A71) shows a potential of rapid death, but the natural history of the infection is poorly known. This study aimed to examine the natural history of EV-A71 infection. METHODS: This was a prospective longitudinal observational study performed between January 1(st) and October 31(st), 2012, at three hospitals in Guangdong, China. Subjects with positive EV-A71 RNA laboratory test results were included. Disease progression was documented with MRI, autopsies, and follow-up...
February 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28212552/association-between-single-nucleotide-polymorphisms-in-adrb2-gnb3-and-gstp1-genes-and-high-altitude-pulmonary-edema-hape-in-the-chinese-han-population
#6
Yongjun He, Lijun Liu, Pengcheng Xu, Na He, Dongya Yuan, Longli Kang, Tianbo Jin
High altitude pulmonary edema (HAPE) occurs mainly under conditions such as high altitude, rapid ascent, or hypoxia. Previous studies suggest that ADRB2, GNB3, TH, and GSTP1 polymorphisms are associated with various lung diseases. We evaluated whether those polymorphisms are associated with the risk of HAPE in a Chinese Han population. ADRB2, GNB3, TH and GSTP1 polymorphisms were genotyped using a Sequenom MassARRAY. Logistic regression, adjusted for age and gender, was used to evaluate the association between the genotypes and the risk of HAPE by computing odds ratios (ORs) and 95% confidence intervals (95% CIs)...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28209044/-the-research-progress-in-molecular-mechanism-of-high-altitude-pulmonary-edema
#7
G Z Li, F Chen, Y F Liu
No abstract text is available yet for this article.
February 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28204830/monoclonal-antibody-against-toll-like-receptor%C3%A2-4-attenuates-ventilator-induced-lung-injury-in-rats-by-inhibiting-myd88-and-nf-%C3%AE%C2%BAb-dependent-signaling
#8
Cuiyuan Huang, Linghui Pan, Fei Lin, Huijun Dai, Ruili Fu
The mechanisms through which mechanical ventilation causes non-infectious inflammatory diseases and lung injury are poorly understood. Animals models of this type of injury suggest that it involves signaling mediated by Toll‑like receptor (TLR)4 and 9. In this study, in order to gain further insight into the involvement of TLR4 in this type of injury, we performed in vivo and in vitro experiments to determine the mechanisms through which TLR4 triggers inflammation. We also examined whether the use of TLR4 monoclonal antibody (mAb) can alleviate this type of injury...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28195072/complement-activation-contributes-to-ventilator-induced-lung-injury-in-rats
#9
B Petersen, T Busch, J Gaertner, J J Haitsma, S Krabbendam, M Ebsen, B Lachmann, U X Kaisers
The complement system contributes to ventilator induced lung injury (VILI). We hypothesized that pretreatment with the C1 esterase inhibitor (C1INH) Berinert® constrains complement activation consecutively inducing improvements in arterial oxygenation and histological pulmonary damage. At baseline, male Sprague-Dawley rats underwent mechanical ventilation in a conventional mode (PIP 13 cm H2O, PEEP 3 cm H2O). In the Control group, the ventilator setting was maintained (Control, n = 15). The other animals randomly received intravenous pretreatment with either 100 units/kg of the C1-INH Berinert® (VILI-C1INH group, n = 15) or 1 ml saline solution (VILI-C group, n = 15)...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28192201/the-natural-product-bergenin-ameliorates-lipopolysaccharide-induced-acute-lung-injury-by-inhibiting-nf-kappab-activition
#10
Shengqian Yang, Ziru Yu, Lin Wang, Tianyi Yuan, Xue Wang, Xue Zhang, Jinhua Wang, Yang Lv, Guanhua Du
ETHNOPHARMACOLOGICAL RELEVANCE: Bergenin, an active constituent of the plants of the genus Bergenia, has been reported to have anti-inflammatory effects in the treatment of chronic bronchitis and chronic gastritis clinically. However, its therapeutic effect on lipopolysaccharide (LPS)-induced acute lung injury (ALI) and its potential mechanisms of actions were still unkown. AIM OF THIS STUDY: This study aimed to evaluate the effect of bergenin on murine model of acute lung injury induced by LPS and also to explore its potential mechanisms...
February 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28190546/sevoflurane-attenuates-ischemia-reperfusion-injury-in-a%C3%A2-rat%C3%A2-lung%C3%A2-transplantation-model
#11
Akihiro Ohsumi, Katherine Marseu, Peter Slinger, Karen McRae, Hyunhee Kim, Zehong Guan, David M Hwang, Mingyao Liu, Shaf Keshavjee, Marcelo Cypel
BACKGROUND: Sevoflurane is one of the most commonly used volatile anesthetic agents with the fastest onset and offset, replacing isoflurane in modern anesthesiology. Preconditioning and postconditioning using volatile anesthetics can attenuate ischemia-reperfusion injury (IRI). However, no previous studies have evaluated the effect of sevoflurane in lung transplantation after cold ischemic injury. We aimed to study the effects of donor and recipient treatment with sevoflurane in a rat lung transplantation model...
February 9, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28189055/the-protective-effect-of-dopamine-on-ventilator-induced-lung-injury-via-the-inhibition-of-nlrp3-inflammasome
#12
Xiaomei Yang, Xiaotong Sun, Hongli Chen, Guangmin Xi, Yonghao Hou, Jianbo Wu, Dejie Liu, Huanliang Wang, Yuedong Hou, Jingui Yu
Dopamine (DA), a neurotransmitter, was previously shown to have anti-inflammatory effects. However, its role in ventilator-induced lung injury (VILI) has not been explicitly demonstrated. This study aimed to investigate the therapeutic efficacy and molecular mechanisms of dopamine in VILI. Rats were treated with dopamine during mechanical ventilation. Afterwards, the influence of dopamine on histological changes, pulmonary edema, the lung wet/dry (W/D) ratio, myeloperoxidase (MPO) activity, polymorphonuclear(PMN)counts, inflammatory cytokine levels, and NLRP3 inflammasome protein expression were examined...
February 7, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28187807/neuropulmonology
#13
A Balofsky, J George, P Papadakos
Neuropulmonology refers to the complex interconnection between the central nervous system and the respiratory system. Neurologic injury includes traumatic brain injury, hemorrhage, stroke, and seizures, and in each there are far-reaching effects that can result in pulmonary dysfunction. Systemic changes can induce impairment of pulmonary function due to changes in the core structure and function of the lung. The conditions and disorders that often occur in these patients include aspiration pneumonia, neurogenic pulmonary edema, and acute respiratory distress syndrome, but also several abnormal respiratory patterns and sleep-disordered breathing...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28187268/fibroblast-growth-factor-signaling-mediates-pulmonary-endothelial-glycocalyx-reconstitution
#14
Yimu Yang, Sarah M Haeger, Matthew A Suflita, Fuming Zhang, Kyrie L Dailey, James F Colbert, Joshay A Ford, Mario A Picon, Robert S Stearman, Lei Lin, Xinyue Liu, Xiaorui Han, Robert J Linhardt, Eric P Schmidt
RATIONALE: The endothelial glycocalyx is a heparan sulfate-rich endovascular structure critical to endothelial function. Accordingly, endothelial glycocalyx degradation during sepsis contributes to tissue edema and organ injury. OBJECTIVE: We determined the endogenous mechanisms governing pulmonary endothelial glycocalyx reconstitution, and if these reparative mechanisms are impaired during sepsis. METHODS: We performed intravital microscopy of wild-type and transgenic mice to determine the rapidity of pulmonary endothelial glycocalyx reconstitution after non-septic (heparinase-III-mediated) or septic (cecal ligation and puncture-mediated) endothelial glycocalyx degradation...
February 10, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28185610/hydrogen-sulfide-reduces-recruitment-of-cd11b-gr-1-cells-in-mice-with-myocardial-infarction
#15
Ting Wu, Hua Li, Bing Wu, Lei Zhang, San-Wu Wu, Jia-Ning Wang, You-En Zhang
The present study aimed to elucidate the mechanisms by which hydrogen sulfide (H<sub>2</sub>S) attenuates left ventricular remodeling after MI. Myocardial infarction was created in mice by left coronary artery ligation. One group of mice received injections of the H<sub>2</sub>S donor sodium hydrosulfide (NaSH) immediately before and one hour after ligation, while the control group received saline alone. During both the subacute and chronic stages (1 and 4 weeks post-infarction, respectively), NaHS-treated mice demonstrated attenuation of cardiac dilation in the infarcted myocardium...
February 9, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28184275/postoperative-negative-pressure-pulmonary-edema-following-repetitive-laryngospasm-even-after-reversal-of-neuromuscular-blockade-by-sugammadex-a-case-report
#16
Ji Hyeon Lee, Jae Ho Lee, Min Hyun Lee, Hyun Oh Cho, Soon Eun Park
Laryngospasm, an occlusion of the glottis, can occur at any time during anesthesia, and is associated with serious perioperative complications such as hypoxia, hypercabia, aspiration, bronchospasm, arrhythmia, prolonged recovery, cardiac collapse, and eventually catastrophic death. Importantly, postoperative negative pressure pulmonary edema (NPPE) is a rare, but well described life-threatening complication related to acute and chronic upper airway obstruction. Sugammadex well known for affirmatively reducing the postoperative pulmonary complications associated with residual neuromuscular blockade may have an indirect role in triggering the negative intrathoracic pressure by raising a rapid and efficacious respiratory muscle strength in acute upper airway obstruction...
February 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28178063/detecting-pulmonary-edema-in-obstetric-patients-through-point-of-care-lung-ultrasonography
#17
Sarah Pachtman, Seth Koenig, Natalie Meirowitz
BACKGROUND: Point-of-care lung ultrasonography is used in critical care settings for evaluating respiratory symptoms. Lung ultrasonography is sensitive and specific for the diagnosis of pulmonary edema in nonpregnant patients but is not well-studied in pregnancy. TECHNIQUE: Lung ultrasonography was performed using a portable ultrasound machine with a 2- to 5-MHz curvilinear probe that is available on many labor and delivery units. EXPERIENCE: Lung ultrasonography guided management decisions in a case of shortness of breath after induction of labor for preeclampsia and a case of hemolysis, elevated liver enzymes, and low platelet count syndrome complicated by pulmonary edema...
March 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28169967/a-pediatric-case-with-takotsubo-cardiomyopathy-and-neurogenic-pulmonary-edema-due-to-an-epidural-hemorrhage
#18
Yuki Nakamori, Noriko Miyazawa, Kenji Yoshitani, Shinichi Yamamoto
No abstract text is available yet for this article.
February 6, 2017: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/28168659/btp2-a-store-operated-calcium-channel-inhibitor-attenuates-lung-ischemia-reperfusion-injury-in-rats
#19
Wei Zhang, Zeyou Qi, Yaping Wang
Lung ischemia-reperfusion (I/R) injury is a critical complication following a lung transplant, cardiopulmonary bypass, pulmonary embolism, and trauma. Immune cells and their effector functions are involved in the lung I/R injury. Store-operated calcium channels (SOCC) are highly Ca(2+)-selective cation channels and have crucial effects on the immune system. It has been indicated that BTP2, a potent SOCC blocker, could inhibit pro-inflammatory cytokine production from immune cells both in vitro and in vivo. Therefore, this study was conducted to investigate the beneficial effects of BTP2 on lung I/R injury in Sprague-Dawley (SD) rats...
February 7, 2017: Inflammation
https://www.readbyqxmd.com/read/28168536/systemic-complications-following-aneurysmal-subarachnoid-hemorrhage
#20
REVIEW
Ravi Garg, Barak Bar
Many systemic complications follow aneurysmal subarachnoid hemorrhage and are primarily due to sympathetic nervous system activation. These complications play an important role in the overall outcome of patients. The purpose of this review is to provide an update on the diagnosis, pathophysiology, and management of systemic complications specifically associated with aneurysmal subarachnoid hemorrhage. Special focus has been made on systemic complications that occur more frequently in patients with aneurysmal subarachnoid hemorrhage compared to other stroke subtypes and in the neurocritical care patient population...
January 2017: Current Neurology and Neuroscience Reports
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