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https://www.readbyqxmd.com/read/28214844/autophagy-activation-by-rapamycin-before-hypoxia-reoxygenation-reduces-endoplasmic-reticulum-stress-in-alveolar-epithelial-cells
#1
Tao Fan, Lei Chen, Zhixin Huang, Wei Wang, Boyou Zhang, Yao Xu, Zhangfan Mao, Hao Hu, Qing Geng
BACKGROUND: To determine potential effects of autophagy activation on hypoxia-reoxygenation (H/R) induced damage of a rat alveolar epithelial cell line. METHODS: CCL149 cells were subjected to autophagy agonist (rapamycin, Rap), autophagy inhibitor (3-methyladenine, 3-MA) or PBS for 1 h before H/R treatment for 2 h, 4 h and 6 h. The optimal concentration of Rap (150 nM, 200 nM and 250 nM) or 3-MA (5 mM, 10 mM and 15 mM) was obtained from MTT assay. Autophagy was determined by fluorescence microscopy of eRFP-LC3 positive cells, transmission electron microscopy of autophagosome, western blot of LC3, AMPK, Beclin-1, HDAC6 and p62 proteins...
January 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214832/the-burden-of-respiratory-disease-in-very-low-birth-weight-infants-changes-in-perinatal-care-and-outcomes-in-a-decade-in-spain
#2
Fermín García-Muñoz Rodrigo, Antonio Losada Martínez, María Dolores Elorza Fernández, Julio Moreno Hernando, Josep Figueras Aloy, Máximo Vento Torres
BACKGROUND: Advances in perinatal care have led to a significant reduction in morbidity and mortality among very-low-birth-weight (VLBW) infants. Much of this progress is related to the prevention and management of respiratory disease. OBJECTIVES: To evaluate changes in perinatal care and its influence on respiratory morbidity and mortality among VLBW infants in Spain in 2 consecutive periods (2002-2006 and 2007-2011). METHODS: This is a retrospective analysis of data prospectively collected of all VLBW infants included in the Spanish SEN1500 network...
February 18, 2017: Neonatology
https://www.readbyqxmd.com/read/28214793/evaluation-of-timing-and-route-of-epinephrine-in-a-neonatal-model-of-asphyxial-arrest
#3
Payam Vali, Praveen Chandrasekharan, Munmun Rawat, Sylvia Gugino, Carmon Koenigsknecht, Justin Helman, William J Jusko, Bobby Mathew, Sara Berkelhamer, Jayasree Nair, Myra H Wyckoff, Satyan Lakshminrusimha
BACKGROUND: Epinephrine administered by low umbilical venous catheter (UVC) or endotracheal tube (ETT) is indicated in neonates who fail to respond to positive pressure ventilation and chest compressions at birth. Pharmacokinetics of ETT epinephrine via fluid-filled lungs or UVC epinephrine in the presence of fetal shunts is unknown. We hypothesized that epinephrine administered by ETT or low UVC results in plasma epinephrine concentrations and rates of return of spontaneous circulation (ROSC) similar to right atrial (RA) epinephrine...
February 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28214497/incidence-of-pulmonary-embolism-in-patients-with-isolated-calf-deep-vein-thrombosis
#4
REVIEW
Alvin R Wu, Jonah Garry, Nicos Labropoulos
BACKGROUND: The severity of pulmonary embolism (PE) after isolated calf deep vein thrombosis (C-DVT) is controversial, which leads to inconsistent clinical decision making when treating C-DVT. This systematic review assessed PE frequency and severity in patients with C-DVT. METHODS: Database searches were completed using MEDLINE and Scopus along with cross-referencing. Two independent reviewers used using rigorous inclusion and exclusion criteria to screen the papers...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28214457/operative-fixation-of-rib-fractures-indications-techniques-and-outcomes
#5
David Galos, Benjamin Taylor, Toni McLaurin
Rib fractures are extremely common injuries and vary in there severity from single nondisplaced fractures to multiple segmental fractures resulting in flail chest and respiratory compromise. Historically, rib fractures have been treated conservatively with pain control and respiratory therapy. However this method may not be the best treatment modality in all situations. Operative fixation of select rib fractures has been increasing in popularity especially in patients with flail chest and respiratory compromise...
January 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28214105/gender-differences-in-patients-starting-long-term-home-mechanical-ventilation-due-to-obesity-hypoventilation-syndrome
#6
Andreas Palm, Bengt Midgren, Christer Janson, Eva Lindberg
No abstract text is available yet for this article.
February 8, 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28213557/tension-pneumocephalus-induced-by-high-flow-nasal-cannula-ventilation-in-a-neonate
#7
Alicia Iglesias-Deus, Alejandro Pérez-Muñuzuri, Olalla López-Suárez, Pilar Crespo, Maria-Luz Couce
The use of high-flow nasal cannula (HFNC) therapy as respiratory support for preterm infants has increased rapidly worldwide. The evidence available for the use of HFNC is as an alternative to nasal continuous positive airway pressure (CPAP) and in particular to prevent postextubation failure. We report a case of tension pneumocephalus in a preterm infant as a complication during HFNC ventilation. Significant neurological impairment was detected and support was eventually withdrawn. Few cases of pneumocephalus as a complication of positive airway pressure have been reported in the neonatal period, and they all have been related to CPAP...
March 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28213470/higher-mini-bal-total-protein-concentration-in-early-ards-predicts-faster-resolution-of-lung-injury-measured-by-more-ventilator-free-days
#8
Carolyn M Hendrickson, Jason Abbott, Hanjing Zhuo, Kathleen D Liu, Carolyn S Calfee, Michael A Matthay
The protein concentration of alveolar edema fluid in acute respiratory distress syndrome (ARDS) is dynamic. It reflects alveolar flooding during acute injury as well as fluid and protein clearance over time. We hypothesized that among ARDS patients treated with low tidal volume ventilation, higher concentrations of protein in mini-bronchoalveolar lavage (mBAL) samples would predict slower resolution of lung injury and worse clinical outcomes. Total protein and IgM concentrations in Day 0 mBAL samples from 79 subjects enrolled in the aerosolized albuterol (ALTA) ARDS Network Albuterol trial were measured by colorimetric assay and ELISA respectively...
February 17, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28213294/a-low-cost-simplified-and-scaleable-pneumotachograph-and-face-mask-for-neonatal-mouse-respiratory-measurements
#9
Jenny J Sun, Roshan Nanu, Russell S Ray
INTRODUCTION: Neonatal respiratory disorders are a leading cause of perinatal mortality due to complications resulting from premature births and prenatal exposure to drugs of abuse, but optimal treatments for these symptoms are still unclear due to a variety of confounds and risk factors. Mouse models present an opportunity to study the underlying mechanisms and efficacy of potential treatments of these conditions with controlled variables. However, measuring respiration in newborn mice is difficult and commercial components are expensive and often require modification, creating a barrier and limiting our understanding of the short and long-term effects of birth complications on respiratory function...
February 14, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28213266/noninvasivepositive-pressure-ventilation-vsinvasive-mechanical-ventilation-as-first-line-therapy-for-acute-hypoxemic-respiratory-failure-in-cancer-patients
#10
Nisha K Rathi, Sajid A Haque, Ron Nates, Alyssa Kosturakis, Hao Wang, Wenli Dong, Lei Feng, Rose J Erfe, Christina Guajardo, Laura Withers, Clarence Finch, Kristen J Price, Joseph L Nates
PURPOSE: The objective was to describe the characteristics and outcomes of critically ill cancer patients who received noninvasive positive pressure ventilation (NIPPV) vs invasive mechanical ventilation as first-line therapy for acute hypoxemic respiratory failure. MATERIAL AND METHODS: A retrospective cohort study of consecutive adult intensive care unit (ICU) cancer patients who received either conventional invasive mechanical ventilation or NIPPV as first-line therapy for hypoxemic respiratory failure...
January 20, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28212633/cooking-smoke-and-respiratory-symptoms-of-restaurant-workers-in-thailand
#11
Chudchawal Juntarawijit, Yuwayong Juntarawijit
BACKGROUND: Restaurant workers are at risk from exposure to toxic compounds from burning of fuel and fumes from cooking. However, the literature is almost silent on the issue. What discussion that can be found in the literature focuses on the potential effects from biomass smoke exposure in the home kitchen, and does not address the problem as occurring in the workplace, particularly in restaurants. METHODS: This was a cross-sectional survey of 224 worker from 142 food restaurants in the Tha Pho sub-district of Phitsanulok, a province in Thailand...
February 17, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28212478/-risk-factors-related-with-ventilator-associated-pneumonia-in-a-neonatal-intensive-care-therapy
#12
Juan Pablo Romo-Gamboa, Bertha Alicia Sandoval-Pérez, Ana Bertha Rodríguez-López, Marco Antonio Torres-González, Juan Carlos Barrera-de León
BACKGROUND: Ventilator-associated pneumonia (VAP) represents the second cause of nosocomial infections and it is associated with greater morbility, duration of mechanical ventilation (MV), and hospital stay. The objective was to determine factors related with VAP in neonates. METHODS: Analytical transversal study including newborns admitted already intubated with at least 48 hours of MV or who were intubated in Neonatal Therapy. VAP was defined according to the criteria of the Centers for Disease Control and Prevention: "those patients submitted to MV during at least 48 hours"...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28212474/-zinc-phosphide-poisoning-in-pediatric-patients-from-a-toxicology-center-at-mexico-city
#13
María Carmen Socorro Sánchez-Villegas, Alejandro Bárcena-Ruiz
BACKGROUND: Zinc phosphide is a chemical compound that is frequently used as a rodenticide; it is a highly toxic product that is widely used, among other spaces, at home. Given that it is a highly commercialized pesticide and that there is no antidote, it is mandatory to establish favorably the clinical manifestations of the intoxication. The aim was to describe the epidemiological and clinical profile of children intoxicated with zinc phosphide attended in a toxicological center of a tertiary referral hospital...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28212451/relationship-between-pre-anesthetic-and-intra-anesthetic-airway-resistance-in-patients-undergoing-general-anesthesia-a-prospective-observational-study
#14
Takamitsu Ikeda, Kanji Uchida, Yasuhiro Yamauchi, Takahide Nagase, Koji Oba, Yoshitsugu Yamada
Surgery patients in Japan undergo routine spirometry testing prior to general anesthesia. The use of a flow sensor during general anesthesia has recently become common. However, it is not certain whether the information derived from flow-volume curves is being adequately used for mechanical ventilation management during general anesthesia. So far, there have been no attempts to calculate airway resistance using flow-volume curves. Therefore, we performed a prospective, observational study to investigate the relationship between pre-anesthetic and intra-anesthetic airway resistance in patients scheduled for surgery under general anesthesia...
2017: PloS One
https://www.readbyqxmd.com/read/28212247/african-american-disparities-in-low-tidal-volume-ventilation
#15
Jason Chertoff
No abstract text is available yet for this article.
March 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28212163/multiple-organ-dysfunction-in-children-mechanically-ventilated-for-acute-respiratory-failure
#16
Scott L Weiss, Lisa A Asaro, Heidi R Flori, Geoffrey L Allen, David Wypij, Martha A Q Curley
OBJECTIVES: The impact of extrapulmonary organ dysfunction, independent from sepsis and lung injury severity, on outcomes in pediatric acute respiratory failure is unclear. We sought to determine the frequency, timing, and risk factors for extrapulmonary organ dysfunction and the independent association of multiple organ dysfunction syndrome with outcomes in pediatric acute respiratory failure. DESIGN: Secondary observational analysis of the Randomized Evaluation of Sedation Titration for Respiratory Failure cluster-randomized prospective clinical trial conducted between 2009 and 2013...
February 16, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28212162/volume-and-pressure-delivery-during-pediatric-high-frequency-oscillatory-ventilation
#17
Ronald Wong, Timothy Deakers, Justin Hotz, Robinder G Khemani, Patrick A Ross, Christopher J Newth
OBJECTIVE: Identify variables independently associated with delivered tidal volume (VT) and measured mean airway pressure during high-frequency oscillatory ventilation across the range of pediatric endotracheal tube sizes. DESIGN: In vitro study. SETTING: Research laboratory. INTERVENTIONS: An in vitro bench model of the intubated pediatric respiratory system during high-frequency oscillatory ventilation was used to obtain delivered VT and mean airway pressure (in the distal lung) for various endotracheal tube sizes...
February 16, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28212050/volume-controlled-ventilation-does-not-prevent-injurious-inflation-during-spontaneous-effort
#18
Takeshi Yoshida, Susumu Nakahashi, Maria Aparecida Miyuki Nakamura, Yukiko Koyama, Rollin Roldan, Vinicius Torsani, Roberta R De Santis, Susimeire Gomes, Akinori Uchiyama, Marcelo B P Amato, Brian P Kavanagh, Yuji Fujino
RATIONALE: Spontaneous breathing during mechanical ventilation increases transpulmonary pressure and tidal volume, and worsens lung injury. Intuitively, controlling tidal volume and transpulmonary pressure might limit injury from added spontaneous effort. OBJECTIVES: To test the hypothesis that during spontaneous effort in injured lungs, tidal volume and transpulmonary pressure limitation by volume-controlled ventilation results in less injurious patterns of inflation...
February 17, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28210996/quantitative-evaluation-of-oxygen-metabolism-in-the-intratumoral-hypoxia-18-f-fluoromisonidazole-and-15-o-labelled-gases-inhalation-pet
#19
Tadashi Watabe, Yasukazu Kanai, Hayato Ikeda, Genki Horitsugi, Keiko Matsunaga, Hiroki Kato, Kayako Isohashi, Kohji Abe, Eku Shimosegawa, Jun Hatazawa
BACKGROUND: Intratumoral hypoxia is one of the resistant factors in radiotherapy and chemotherapy for cancer. Although it is detected by (18)F-fluoromisonidazole (FMISO) PET, the relationship between intratumoral hypoxia and oxygen metabolism has not been studied. The purpose of this study was to evaluate the intratumoral perfusion and oxygen metabolism in hypoxic regions using the rat xenograft model. Ten male Fischer rats with C6 glioma (body weight = 220 ± 15 g) were investigated with (18)F-FMISO PET and steady-state inhalation method of (15)O-labelled gases PET...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28210835/a-10-year-review-of-cannabis-exposure-in-children-under-3-years-of-age-do-we-need-a-more-global-approach
#20
Isabelle Claudet, Mathilde Le Breton, Camille Bréhin, Nicolas Franchitto
: Pediatricians working in an emergency environment are confronted with children admitted to emergency departments for intoxication on a daily basis. We carried out a retrospective cohort study of children admitted to a pediatric emergency department due to unintentional cannabis exposure over a 10-year period from 2004 to 2014. Twenty-nine children under the age of 3 were admitted with a positive cannabis urine test. Eighty-seven percent of intoxications occurred at the family home. Resin was the main form of ingested cannabis (69%)...
February 16, 2017: European Journal of Pediatrics
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