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Oxygen saturation targeting

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https://www.readbyqxmd.com/read/29898426/resilience-and-reliability-of-compact-vertical-flow-treatment-wetlands-designed-for-tropical-climates
#1
R Lombard-Latune, L Pelus, N Fina, F L'Etang, B Le Guennec, P Molle
Most of the tropical areas have sanitation problems to contend with. The French system of vertical-flow treatment wetlands (FS-VFTW) fed with raw wastewater could be a good water and sludge management solution. The purpose-adapted tropical design can reduce area requirement to below 1 m2 /population equivalents (p.e.). The Taupinière FS-VFTW on Martinique Island was built according to this design, with one stage but with a saturated layer at the bottom of the filter and a simplified trickling filter (TF) added for further treatment to meet the high performances targeted...
June 10, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29876492/data-on-the-effect-of-target-temperature-management-at-32-34-%C3%A2-c-in-cardiac-arrest-patients-considering-assessment-by-regional-cerebral-oxygen-saturation-a-multicenter-retrospective-cohort-study
#2
Yuka Nakatani, Takeo Nakayama, Kei Nishiyama, Yoshimitsu Takahashi
This data article contains raw data and supplementary analyzed data regarding to the article entitled "Effect of target temperature management at 32-34 °C in cardiac arrest patients considering assessment by regional cerebral oxygen saturation: A multicenter retrospective cohort study". We examined the effectiveness of target temperature management (TTM) at 32-34 °C considering degrees of patients' cerebral injury and cerebral circulation assessed by regional cerebral oxygen saturation (rSO2 )...
April 2018: Data in Brief
https://www.readbyqxmd.com/read/29872859/association-between-oxygen-saturation-targeting-and-death-or-disability-in-extremely-preterm-infants-in-the-neonatal-oxygenation-prospective-meta-analysis-collaboration
#3
COMPARATIVE STUDY
Lisa M Askie, Brian A Darlow, Neil Finer, Barbara Schmidt, Ben Stenson, William Tarnow-Mordi, Peter G Davis, Waldemar A Carlo, Peter Brocklehurst, Lucy C Davies, Abhik Das, Wade Rich, Marie G Gantz, Robin S Roberts, Robin K Whyte, Lorrie Costantini, Christian Poets, Elizabeth Asztalos, Malcolm Battin, Henry L Halliday, Neil Marlow, Win Tin, Andrew King, Edmund Juszczak, Colin J Morley, Lex W Doyle, Val Gebski, Kylie E Hunter, Robert J Simes
Importance: There are potential benefits and harms of hyperoxemia and hypoxemia for extremely preterm infants receiving more vs less supplemental oxygen. Objective: To compare the effects of different target ranges for oxygen saturation as measured by pulse oximetry (Spo2) on death or major morbidity. Design, Setting, and Participants: Prospectively planned meta-analysis of individual participant data from 5 randomized clinical trials (conducted from 2005-2014) enrolling infants born before 28 weeks' gestation...
June 5, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29872840/optimizing-oxygen-saturation-targets-in-extremely-preterm-infants
#4
EDITORIAL
Matthew J Bizzarro
No abstract text is available yet for this article.
June 5, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29868973/conservative-versus-liberal-oxygenation-targets-in-critically-ill-children-the-randomised-multiple-centre-pilot-oxy-picu-trial
#5
Mark J Peters, Gareth A L Jones, Daisy Wiley, Jerome Wulff, Padmanabhan Ramnarayan, Samiran Ray, David Inwald, Michael Grocott, Michael Griksaitis, John Pappachan, Lauran O'Neill, Simon Eaton, Paul R Mouncey, David A Harrison, Kathryn M Rowan
BACKGROUND: Oxygen saturation monitoring for children receiving respiratory support is standard worldwide. No randomised clinical trials have compared peripheral oxygen saturation (SpO2 ) targets for critically ill children. The harm of interventions to raise SpO2 to > 94% may exceed their benefits. METHODS: We undertook an open, parallel-group randomised trial of children > 38 weeks completed gestation and < 16 years of age receiving invasive or non-invasive respiratory support and supplemental oxygen who were admitted urgently to one of three paediatric intensive care units...
June 4, 2018: Intensive Care Medicine
https://www.readbyqxmd.com/read/29861334/comparative-performance-of-cover-systems-to-prevent-acid-mine-drainage-from-pre-oxidized-tailings-a-numerical-hydro-geochemical-assessment
#6
Thomas Pabst, Bruno Bussière, Michel Aubertin, John Molson
The generation of acid mine drainage (AMD) remains a major environmental challenge for the mining industry. The reclamation of old mine sites with pre-oxidized tailings is particularly challenging because of indirect oxidation reactions which can limit the overall effectiveness of an oxygen barrier to prevent AMD. The goal of this project was to quantitatively compare the effectiveness of different cover systems to reclaim two pre-oxidized acid-generating tailings sites, located in Quebec (Canada). Following laboratory column tests, field measurements and observations, coupled hydrogeological and geochemical numerical simulations were conducted to evaluate the effect of various system characteristics...
May 24, 2018: Journal of Contaminant Hydrology
https://www.readbyqxmd.com/read/29852272/engineering-%C3%AE-oxidation-in-yarrowia-lipolytica-for-methyl-ketone-production
#7
Erik K R Hanko, Charles M Denby, Violeta Sànchez I Nogué, Weiyin Lin, Kelsey J Ramirez, Christine A Singer, Gregg T Beckham, Jay D Keasling
Medium- and long-chain methyl ketones are fatty acid-derived compounds that can be used as biofuel blending agents, flavors and fragrances. However, their large-scale production from sustainable feedstocks is currently limited due to the lack of robust microbial biocatalysts. The oleaginous yeast Yarrowia lipolytica is a promising biorefinery platform strain for the production of methyl ketones from renewable lignocellulosic biomass due to its natively high flux towards fatty acid biosynthesis. In this study, we report the metabolic engineering of Y...
May 28, 2018: Metabolic Engineering
https://www.readbyqxmd.com/read/29850636/preterm-neonates-with-respiratory-distress-syndrome-ventilator-induced-lung-injury-and-oxidative-stress
#8
Clarissa Gutiérrez Carvalho, Renato Soibelmann Procianoy, Eurico Camargo Neto, Rita C Silveira
Ventilator-induced lung injury is well recognized, and appropriate arterial saturation target is unknown, so gentle modes of ventilation and minimizing oxidative stress have been well studied. Our objective was to analyze any association between the oxygen levels at blood sampling and plasma levels of the interleukins IL-6, IL-1 β , IL-10, and IL-8 and TNF- α in preterm newborns under mechanical ventilation (MV) in their first two days. Methods . Prospective cohort including neonates with severe respiratory distress...
2018: Journal of Immunology Research
https://www.readbyqxmd.com/read/29797705/characteristics-of-jugular-bulb-oxygen-saturation-in-patients-after-cardiac-arrest-a-prospective-study
#9
E Wallin, I-M Larsson, J Nordmark-Grass, I Rosenqvist, M-L Kristofferzon, S Rubertsson
BACKGROUND: Using cerebral oxygen venous saturation post-cardiac arrest (CA) is limited because of a small sample size and prior to establishment of target temperature management (TTM). We aimed to describe variations in jugular bulb oxygen saturation during intensive care in relation to neurological outcome at 6 months post- CA in cases where TTM 33°C was applied. METHOD: Prospective observational study in patients over 18 years, comatose immediately after resuscitation from CA...
May 24, 2018: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/29764554/-efficacy-and-safety-of-nalbuphine-on-analgesia-of-patients-in-intensive-care-unit
#10
Shaohua Liu, Youdong Wan, Yonggang Luo, Li Wan, Wenjing Yun, Haixu Wang, Zhenhua Wang, Xiaoguang Duan, Ruifang Zhang, Yingying Zhao, Hongwei Cui, Tongwen Sun
OBJECTIVE: To analyze the efficacy and safety of nalbuphine in patients with sedative analgesia in intensive care unit (ICU). METHODS: A prospective observation was conducted. The adult patients with mild and moderate analgesia in general ICU of the First Affiliated Hospital of Zhengzhou University from January to November in 2017 were enrolled, and they were divided into nalbuphine group and sufentanil group in proper order. The nabobrown group was given 40 mg nabobrown, the sufentanil group was given 0...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29762884/the-use-of-overnight-oximetry-in-neonates-a-literature-review
#11
REVIEW
Anndrea Flint, Mark W Davies
There is much debate between neonatologists and paediatricians about appropriate oxygen saturation targets for babies with chronic neonatal lung disease (CNLD). Overnight oximetry is used to guide the fraction of inspired oxygen to use. We did this literature review to examine the current literature on the use of overnight oximetry in term infants, preterm infants and babies with CNLD (especially relevant to ex-preterm babies with CNLD going home on oxygen). We reviewed the literature from January 1990 to October 2017 by searching the following databases: Cochrane Central Register of Controlled Trials, The Joanna Briggs Institute, CINAHL, MEDLINE, Scopus, EMBASE, ProQuest and Science Direct...
May 15, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29757924/placebo-versus-low-dose-ketamine-infusion-in-addition-to-remifentanil-target-controlled-infusion-for-conscious-sedation-during-oocyte-retrieval-a-prospective-double-blinded-randomised-controlled-trial
#12
Hélène I Morue, Shalini Raj-Lawrence, Sarah Saxena, Anne Delbaere, Edgard Engelman, Luc A Barvais
BACKGROUND: Currently, there is no gold standard for monitored anaesthesia care during oocyte retrieval. OBJECTIVE: In our institution, the standard is a conscious sedation technique using a target-controlled infusion (TCI) of remifentanil, titrated to maintain a visual analogue pain score less than 30 mm. This protocol is well accepted by patients but is associated with frequent episodes of respiratory depression. The main objective of this study was to evaluate whether the addition of a continuous intravenous infusion of ketamine could reduce these episodes...
April 30, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29747290/-the-relationship-between-arterial-blood-lactate-clearance-prognosis-and-myocardial-damage-in-patients-with-septic-shock-after-early-goal-directed-therapy
#13
X L Shang, D W Liu, X T Wang, H W He, H M Zhang, L X Su, P Pan
Objective: To evaluate the prognostic value of arterial blood lactate clearance based on central venous oxygen saturation and perfusion index in patients with septic shock related myocardial injury after early goal-directed therapy. Methods: One hundred and fifty-seven patients with septic shock after early resuscitation were enrolled from August 2013 to July 2016 in ICU at Peking Union Medical College Hospital. Parameters indicating early resuscitation included central venous pressure (CVP) 8-12 mmHg (1 mmHg=0...
May 1, 2018: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29726010/lower-versus-higher-oxygen-concentrations-titrated-to-target-oxygen-saturations-during-resuscitation-of-preterm-infants-at-birth
#14
REVIEW
Kei Lui, Lisa J Jones, Jann P Foster, Peter G Davis, See Kwee Ching, Ju Lee Oei, David A Osborn
BACKGROUND: Initial resuscitation with air is well tolerated by most infants born at term. However, the optimal fractional inspired oxygen concentration (FiO2 - proportion of the breathed air that is oxygen) targeted to oxygen saturation (SpO2 - an estimate of the amount of oxygen in the blood) for infants born preterm is unclear. OBJECTIVES: To determine whether lower or higher initial oxygen concentrations, when titrated according to oxygen saturation targets during the resuscitation of preterm infants at birth, lead to improved short- and long-term mortality and morbidity...
May 4, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29694995/respiratory-support-in-bronchiolitis-trial-evidence
#15
Steve Cunningham
Acute viral lower respiratory tract infection is frequently associated with hypoxemia and respiratory distress, sometimes progressing to hypercarbia and respiratory failure. In recent years, trials have assessed the effects of oxygen supplementation and respiratory support with high-flow oxygen therapy. An oxygen saturation target of 90% is as safe and clinically effective as 94% in infants with bronchiolitis. Trials of high-flow humidified oxygen have demonstrated safety, but as yet poorly demarcated an appropriate place for use within the clinical course of the disease...
May 2018: American Journal of Perinatology
https://www.readbyqxmd.com/read/29679696/effect-of-neuromonitor-guided-titrated-care-on-brain-tissue-hypoxia-after-opioid-overdose-cardiac-arrest
#16
Jonathan Elmer, Katharyn L Flickinger, Maighdlin W Anderson, Allison C Koller, Matthew L Sundermann, Cameron Dezfulian, David O Okonkwo, Lori A Shutter, David D Salcido, Clifton W Callaway, James J Menegazzi
INTRODUCTION: Brain tissue hypoxia may contribute to preventable secondary brain injury after cardiac arrest. We developed a porcine model of opioid overdose cardiac arrest and post-arrest care including invasive, multimodal neurological monitoring of regional brain physiology. We hypothesized brain tissue hypoxia is common with usual post-arrest care and can be prevented by modifying mean arterial pressure (MAP) and arterial oxygen concentration (PaO2 ). METHODS: We induced opioid overdose and cardiac arrest in sixteen swine, attempted resuscitation after 9 min of apnea, and randomized resuscitated animals to three alternating 6-h blocks of standard or titrated care...
April 18, 2018: Resuscitation
https://www.readbyqxmd.com/read/29674770/incidence-of-pulmonary-complications-with-the-prophylactic-use-of-high-flow-nasal-cannula-after-pediatric-cardiac-surgery-prophylactic-hfnc-study-protocol
#17
Naohiro Shioji, Tomoyuki Kanazawa, Tatsuo Iwasaki, Kazuyoshi Shimizu, Tomohiko Suemori, Hirokazu Kawase, Satoshi Kimura, Yasutoshi Kuroe, Hiroshi Morimatsu
We will investigate the incidence of postoperative pulmonary complications (PPCs) with the prophylactic use of a high-flow nasal cannula (HFNC) after pediatric cardiac surgery. Children < 48 months old with congenital heart disease for whom cardiac surgery is planned will be included. The HFNC procedure will be commenced just after extubation, at a flow rate of 2 L/kg/min with adequate oxygen concentration to achieve target oxygen saturation ≥ 94%. This study will reveal the prevalence of PPCs after pediatric cardiac surgery with the prophylactic use of HFNC...
April 2018: Acta Medica Okayama
https://www.readbyqxmd.com/read/29669357/oxygenation-of-the-immature-infant-a-commentary-and-recommendations-for-oxygen-saturation-targets-and-alarm-limits
#18
Ola Didrik Saugstad
BACKGROUND: For 70 years, there has been a search for the optimal oxygenation of premature infants. In spite of the lack of evidence, guidelines have successively reduced oxygenation targets during these years. OBJECTIVES: (1) To present a summary of previously published meta-analyses of 5 randomized studies (NeOProM) which tested a low (85-89%) versus a high (91-95%) oxygen saturation target the first weeks after birth on outcome of immature newborn infants. (2) To present international recommendations for oxygenation the first weeks after birth...
2018: Neonatology
https://www.readbyqxmd.com/read/29623766/a-retrospective-analysis-of-the-mixed-venous-oxygen-saturation-as-the-target-for-systemic-blood-flow-control-during-cardiopulmonary-bypass
#19
Staffan Svenmarker, Matias Hannuksela, Michael Haney
OBJECTIVES: The patient's body surface area serves as the traditional reference for the determination of systemic blood flow during cardiopulmonary bypass (CPB). New strategies refer to different algorithms of oxygen delivery. This study reports on the mixed venous oxygen saturation (Sv O2 ) as the target for systemic blood flow control. We hypothesise that an Sv O2 >75% (Sv O2 75) is associated with better preservation of renal function and improved short-term survival. METHODS: This retrospective, 10-year, observational study analysed 6945 consecutive cardiac surgical cases requiring CPB...
April 1, 2018: Perfusion
https://www.readbyqxmd.com/read/29596071/an-observational-cohort-study-examining-the-effect-of-the-duration-of-skin-to-skin-contact-on-the-physiological-parameters-of-the-neonate-in-a-neonatal-intensive-special-care-unit
#20
Hannah Jones, Nick Santamaria
BACKGROUND: Focus on skin-to-skin contact (SSC) as a family-centered care intervention in Neonatal Intensive Special Care (NISC) Units continues to increase. Previously, SSC has been shown to improve neonatal physiological stability, support brain development, and promote bonding and attachment. Limited research exists investigating SSC duration and neonatal physiological responses. PURPOSE: This study examined the relationship between SSC duration and the neonate's oxygen saturation, heart rate (HR), respiratory rate (RR), and temperature...
June 2018: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
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