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https://www.readbyqxmd.com/read/29657373/severe-varicella-pneumonia-in-adults-seven-years-single-center-experience-from-india
#1
Akashdeep Singh, Siddharth Parkash, Sunil K Gupta, R K Soni
Context: Varicella pneumonia is a rare but a serious complication of chickenpox in adults. There is paucity of data on varicella pneumonia from India. Aims: The aim of this study is to describe the clinical manifestations, hospital course, treatment, and outcome of adult patients with severe varicella pneumonia. Settings and Design: This was a retrospective, observational study of patients with severe varicella pneumonia attending a tertiary care teaching hospital...
March 2018: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/29587748/regulation-of-alveolar-macrophage-death-in-acute-lung-inflammation
#2
REVIEW
Erica K Y Fan, Jie Fan
Acute lung injury (ALI) and its severe form, known as acute respiratory distress syndrome (ARDS), are caused by direct pulmonary insults and indirect systemic inflammatory responses that result from conditions such as sepsis, trauma, and major surgery. The reciprocal influences between pulmonary and systemic inflammation augments the inflammatory process in the lung and promotes the development of ALI. Emerging evidence has revealed that alveolar macrophage (AM) death plays important roles in the progression of lung inflammation through its influence on other immune cell populations in the lung...
March 27, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29575977/express-endothelial-biomarkers-in-human-sepsis-pathogenesis-and-prognosis-for-ards
#3
Carolyn Hendrickson, Michael Matthay
No abstract text is available yet for this article.
January 1, 2018: Pulmonary Circulation
https://www.readbyqxmd.com/read/29555594/ultrastructural-alteration-of-pulmonary-capillary-endothelial-glycocalyx-during-endotoxemia
#4
Risa Inagawa, Hideshi Okada, Genzou Takemura, Kodai Suzuki, Chihiro Takada, Hirohisa Yano, Yoshiaki Ando, Takahiro Usui, Yasuaki Hotta, Nagisa Miyazaki, Akiko Tsujimoto, Ryogen Zaikokuji, Atsumu Matsumoto, Tomonori Kawaguchi, Tomoaki Doi, Takahiro Yoshida, Shozo Yoshida, Keisuke Kumada, Hiroaki Ushikoshi, Izumi Toyoda, Shinji Ogura
BACKGROUND: The most recent diagnostic criteria for sepsis includes organ failure. Microvascular endothelial injury is thought to lead to the multiple organ failure seen in sepsis, although the precise mechanism is still controversial. Acute respiratory distress syndrome (ARDS) is the primary complication during the sequential development of multiple organ dysfunction in sepsis, and endothelial injury is deeply involved. Sugar-protein glycocalyx coats all healthy vascular endothelium, and its disruption is one factor thought to contribute to microvascular endothelial dysfunction during sepsis...
March 16, 2018: Chest
https://www.readbyqxmd.com/read/29549747/the-impact-of-organ-dysfunctions-on-mortality-in-patients-with-severe-sepsis-a-multicenter-prospective-observational-study
#5
Daisuke Kudo, Shigeki Kushimoto, Noriko Miyagawa, Tetsuya Sato, Masatsugu Hasegawa, Fumihito Ito, Sathoshi Yamanouchi, Hiroyuki Honda, Kohkichi Andoh, Hajime Furukawa, Yasuo Yamada, Yuta Tsujimoto, Manabu Okuyama
PURPOSE: Disseminated intravascular coagulations (DIC), acute respiratory distress syndrome (ARDS), and acute kidney injury (AKI) are major organ dysfunctions that occur in patients with sepsis. This study aimed to elucidate the impact of these organ dysfunctions on mortality in patients with severe sepsis. MATERIAL AND METHODS: A prospective observational study was performed in 10 ICUs to obtain data from patients with severe sepsis. Multivariate analyses to examine in-hospital mortality were performed...
March 7, 2018: Journal of Critical Care
https://www.readbyqxmd.com/read/29549655/activated-protein-c-has-no-effect-on-pulmonary-capillary-endothelial-function-in-septic-patients-with-acute-respiratory-distress-syndrome-association-of-endothelial-dysfunction-with-mortality
#6
Katerina Kaziani, Alice G Vassiliou, Anastasia Kotanidou, Chariclea Athanasiou, Ioanna Korovesi, Konstantinos Glynos, Stylianos E Orfanos
INTRODUCTION: Pulmonary capillary endothelium-bound (PCEB) angiotensin-converting enzyme (ACE) activity is a direct and quantifiable index of pulmonary endothelial function that decreases early in acute respiratory distress syndrome (ARDS) and correlates with its severity. Endothelial dysfunction is a major pathophysiology that underlies sepsis-related ARDS. Recombinant human activated protein C (rhAPC), now withdrawn from the market, has been used in the recent past as an endothelial-protective treatment in patients with septic organ dysfunction...
March 2018: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/29545858/effect-of-tlr4-myd88-signaling-pathway-on-sepsis-associated-acute-respiratory-distress-syndrome-in-rats-via-regulation-of-macrophage-activation-and-inflammatory-response
#7
Shujun Zhou, Gui Wang, Wenbin Zhang
The present study aimed to investigate the effects of the Toll-like receptor (TLR)4/myeloid differentiation primary response (MyD)88 signaling pathway on sepsis-associated acute respiratory distress syndrome (ARDS) in rats, and the involvement of macrophage activation and the inflammatory response. A total of 36 specific pathogen-free male Sprague-Dawley rats were selected to establish the rat model of sepsis-associated ARDS using cecal ligation and puncture (CLP). Rats were assigned into the Ab (anti-TLR4 monoclonal antibody)-CLP, CLP and Sham groups...
April 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29499971/the-incremental-burden-of-acute-respiratory-distress-syndrome-long-term-follow-up-of-a-population-based-nested-case-control-study
#8
Michelle Biehl, Adil Ahmed, Rahul Kashyap, Amelia Barwise, Ognjen Gajic
OBJECTIVE: To evaluate the long-term survival of patients at similar risk for hospital-acquired acute respiratory distress syndrome (ARDS) who did and did not develop ARDS. METHODS: We conducted long-term follow-up of a population-based nested case-control study in a consecutive cohort of adult Olmsted County, Minnesota, patients admitted from January 1, 2001, through December 31, 2010. Patients in whom ARDS developed during their hospital stay (cases) were matched to similar-risk patients without ARDS (controls) by 6 characteristics: age, sex, sepsis, high-risk surgery, ratio of oxygen saturation to fraction of inspired oxygen, and ARDS risk according to the Lung Injury Prediction Score...
February 27, 2018: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29489544/pressure-sores-and-systemic-inflammatory-response-syndrome-uc-davis-quality-improvement-initiative
#9
Abhishek Jairam, Ping Song, Nirav B Patel, Michael S Wong
BACKGROUND: The National Pressure Ulcer Advisory Panel estimates pressure sore care to approach $11 billion annually. It is not uncommon for these patients to present to the emergency department (ED) with a chief concern of a pressure sore, while concurrently carrying an undiagnosed infectious process that is the culprit for the acute presentation, rather than the chronic pressure injury. We aim to identify patients who met systemic inflammatory response syndrome (SIRS) criteria at ED presentation who were referred to plastic and reconstructive surgery for pressure sore debridement prior to a complete medical workup...
February 27, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29474201/mechanical-ventilation-induces-desensitization-of-lung-axl-tyrosine-kinase-receptors
#10
Gail Otulakowski, Doreen Engelberts, Martin Post, Claire Masterson, Brian P Kavanagh
BACKGROUND: Lower tidal volumes are increasingly used in acute respiratory distress syndrome, but mortality has changed little in the last 20 yr. Therefore, in addition to ventilator settings, it is important to target molecular mediators of injury. Sepsis and other inflammatory states increase circulating concentrations of Gas6, a ligand for the antiinflammatory receptor Axl, and of a soluble decoy form of Axl. We investigated the effects of lung stretch on Axl signaling. METHODS: We used a mouse model of early injury from high tidal volume and assessed the effects of inhibiting Axl on in vivo lung injury (using an antagonist R428, n = 4/group)...
February 23, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29473104/duration-of-acute-kidney-injury-in-critically-ill-patients
#11
Christine K Federspiel, Theis S Itenov, Kala Mehta, Raymond K Hsu, Morten H Bestle, Kathleen D Liu
BACKGROUND: Duration of acute kidney injury (AKI) has been recognized a risk factor for adverse outcomes following AKI. We sought to examine the relationship of AKI duration and recurrent AKI with short-term outcomes in critically ill patients who were mechanically ventilated and met criteria for the acute respiratory distress syndrome. METHODS: Participants in the NHLBI ARDS Network SAILS multicenter trial who developed AKI were included in this analysis and divided into groups based on AKI duration...
February 23, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29459608/distribution-pattern-and-outcome-of-the-patients-in-the-intensive-care-unit-of-bangabandhu-sheikh-mujib-medical-university-a-short-term-analysis
#12
S I Alam, M A Hossain, M Aftabuddin, M A Hye, M K Mondal
The aim of the study was to describe the characteristics of patients admitted to intensive care unit and their outcome in Bangabandhu Sheikh Mujib Medical University, Bangladesh. This retrospective, descriptive study was conducted in the intensive care unit of Bangabandhu Sheikh Mujib Medical University (BSMMU) from January 2016 to June 2016. Data was retrieved from hospital records of all admitted patients regarding age, gender, admission source, reason for admission, length of ICU stay, requirement of mechanical ventilation, number of organ failure and their outcome...
January 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29449632/inducible-nitric-oxide-synthase-during-the-late-phase-of-sepsis-is-associated-with-hypothermia-and-immune-cell-migration
#13
Yudai Takatani, Kenji Ono, Hiromi Suzuki, Masato Inaba, Makoto Sawada, Naoyuki Matsuda
Hypothermia is a significant sign of sepsis, which is associated with poor prognosis, but few mechanisms underlying the regulation of hypothermia are known. Inducible nitric oxide synthase (iNOS) is a key inflammatory mediator of sepsis. However, the therapeutic benefit of iNOS inhibition in sepsis is still controversial, and requires elucidation in an accurate model system. In this study, wild-type (WT) mice showed temperature drops in a biphasic manner at the early and late phase of sepsis, and all mice died within 48 h of sepsis...
February 14, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29447407/the-feasibility-of-venovenous-ecmo-at-role-2-facilities-in-austere-military-environments
#14
Mohamed A T Mohamed, Tareq Maraqa, Matthew D Bacchetta, Michael McShane, Kenneth L Wilson
Introduction: Venovenous extracorporeal membrane oxygenation (VV-ECMO) has been gaining use to bridge the recovery from acute respiratory distress syndrome (ARDS) refractory to conventional treatment. However, these interventions are often limited to higher echelons of military care. We present a case of lung salvage from severe ARDS in an Afghani soldier with VV-ECMO at a Role-2 (R2) facility in an austere military environment in Afghanistan. Case: A 25-year-old Afghani soldier presented to an R2 facility with blast lung injury and multiple penetrating injuries following an explosion...
February 13, 2018: Military Medicine
https://www.readbyqxmd.com/read/29433570/role-of-atp-sensitive-potassium-channels-on-hypoxic-pulmonary-vasoconstriction-in-endotoxemia
#15
Maurizio Turzo, Julian Vaith, Felix Lasitschka, Markus A Weigand, Cornelius J Busch
BACKGROUND: ATP-regulated potassium channels (KATP) regulate pulmonary vascular tone and are involved in hypoxic pulmonary vasoconstriction (HPV). In patients with inflammation like sepsis or ARDS, HPV is impaired, resulting in a ventilation-perfusion mismatch and hypoxia. Since increase of vascular KATP channel Kir6.1 has been reported in animal models of endotoxemia, we studied the expression and physiological effects of Kir6.1 in murine endotoxemic lungs. We hypothesized that inhibition of overexpressed Kir6...
February 13, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29431568/characteristics-of-early-acute-respiratory-distress-syndrome-in-newly-diagnosed-acute-myeloid-leukemia
#16
Andry Van de Louw, Ruchi J Desai, Junjia Zhu, David F Claxton
Acute respiratory complications occur frequently during the early phase of acute myeloid leukemia (AML) but information on the most severe form, acute respiratory distress syndrome (ARDS), is lacking. We retrospectively analyzed 280 patients with newly diagnosed AML in order to describe the incidence, risk factors and early mortality associated with ARDS within 15 d. Univariate and then multivariate analysis were performed. ARDS developed in 9% of patients and was associated with 64% day-30 mortality. White blood cell count on admission was an independent risk factor for ARDS (OR = 1...
February 12, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29425463/genome-wide-association-study-in-african-americans-with-acute-respiratory-distress-syndrome-identifies-the-selectin-p-ligand-gene-as-a-risk-factor
#17
Christian Bime, Nima Pouladi, Saad Sammani, Ken Batai, Nancy Casanova, Tong Zhou, Carrie L Kempf, Xiaoguang Sun, Sara M Camp, Ting Wang, Rick A Kittles, Yves A Lussier, Tiffanie K Jones, John P Reilly, Nuala J Meyer, Jason D Christie, Jason Karnes, Manuel Gonzalez-Garay, David C Christiani, Charles R Yates, Mark M Wurfel, Gianfranco U Meduri, Joe G N Garcia
RATIONALE: Genetic factors are involved in acute respiratory distress syndrome (ARDS) susceptibility. Identification of novel candidate genes associated with increased risk and severity will improve our understanding of ARDS pathophysiology and enhance efforts to develop novel preventive and therapeutic approaches. METHODS: A genome-wide association study was performed on 232 African-American patients with ARDS and 162 at-risk controls. The Identify Candidate Causal single nucleotide polymorphisms (SNPs) and Pathways platform was used to infer the association of known gene sets with the top prioritized intragenic SNPs...
February 9, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29419523/association-between-the-mode-of-transport-and-in-hospital-medical-complications-in-trauma-patients-findings-from-a-level-i-trauma-center-in-saudi-arabia
#18
Nawfal Aljerian, Saleh Alhaidar, Ali Alothman, Wijdan AlJohi, Faisal Abdullah Albaqami, Suliman Abdullah Alghnam
BACKGROUND: In Saudi Arabia, injury is the leading cause of death. Even if nonfatal, the impact of injuries on population health is enormous, as thousands of young patients suffer permanent disabilities every year. Unlike in developed countries, private transportation (PT) is a common means to transport trauma patients. Outcome differences between patients transported via PT relative to emergency medical services (EMS) has not been previously explored. OBJECTIVES: To evaluate the association between transportation mode and in-hospital complications among trauma patients...
January 2018: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/29419339/emphysema-induced-by-elastase-alters-the-mrna-relative-levels-from-dna-repair-genes-in-acute-lung-injury-in-response-to-sepsis-induced-by-lipopolysaccharide-administration-in-wistar-rats
#19
Luiz Philippe S Sergio, Leda M F Lucinda, Maycon M Reboredo, Flavia de Paoli, Lídia M C Fonseca, Bruno V Pinheiro, Andre L Mencalha, Adenilson S Fonseca
Purpose/Aim of the study: Patients suffering from chronic obstructive pulmonary disease (COPD) in association with acute respiratory distress syndrome (ARDS) present oxidative stress in lung cells, with production of free radicals and DNA lesions in pulmonary and adjacent cells. Once the DNA molecule is damaged, a set of enzymatic mechanisms are trigged to preserve genetic code integrity and cellular homeostasis. These enzymatic mechanisms include the base and the nucleotide excision repair pathways, as well as telomere regulation...
February 8, 2018: Experimental Lung Research
https://www.readbyqxmd.com/read/29415887/maladaptive-role-of-neutrophil-extracellular-traps-in-pathogen-induced-lung-injury
#20
Emma Lefrançais, Beñat Mallavia, Hanjing Zhuo, Carolyn S Calfee, Mark R Looney
Neutrophils dominate the early immune response in pathogen-induced acute lung injury, but efforts to harness their responses have not led to therapeutic advancements. Neutrophil extracellular traps (NETs) have been proposed as an innate defense mechanism responsible for pathogen clearance, but there are concerns that NETs may induce collateral damage to host tissues. Here, we detected NETs in abundance in mouse models of severe bacterial pneumonia/acute lung injury and in human subjects with acute respiratory distress syndrome (ARDS) from pneumonia or sepsis...
February 8, 2018: JCI Insight
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