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Permissive hypercapnia

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https://www.readbyqxmd.com/read/28130958/a-definition-of-gentle-ventilation-in-congenital-diaphragmatic-hernia-a-survey-of-neonatologists-and-pediatric-surgeons
#1
Christiana Farkouh-Karoleski, Tasnim Najaf, Julia Wynn, Gudrun Aspelund, Wendy K Chung, Charles J Stolar, George B Mychaliska, Brad W Warner, Amy J Wagner, Robert A Cusick, Foong-Yen Lim, David T Schindel, Douglas Potoka, Kenneth Azarow, C Michael Cotten, Anthony Hesketh, Samuel Soffer, Timothy Crombleholme, Howard Needelman
Ventilation practices have changed significantly since the initial reports in the mid 1980 of successful use of permissive hypercapnia and spontaneous ventilation [often called gentle ventilation (GV)] in infants with congenital diaphragmatic hernia (CDH). However, there has been little standardization of these practices or of the physiologic limits that define GV. We sought to ascertain among Diaphragmatic Hernia Research and Exploration; Advancing Molecular Science (DHREAMS) centers' GV practices in the neonatal management of CDH...
January 28, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28121055/permissive-hypercapnia-in-extremely-low-birthweight-infants-how-far-should-we-go
#2
Hesham Abdel-Hady, Basma Shouman
No abstract text is available yet for this article.
January 25, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/27999775/protective-ventilation-improves-gas-exchange-reduces-incidence-of-atelectases-and-affects-metabolic-response-in-major-pancreatoduodenal-surgery
#3
Vsevolod V Kuzkov, Ludmila N Rodionova, Yana Y Ilyina, Aleksey A Ushakov, Maria M Sokolova, Eugenia V Fot, Boris L Duberman, Mikhail Y Kirov
BACKGROUND: Protective perioperative ventilation has been shown to improve outcomes and reduce the incidence of postoperative pulmonary complications. The goal of this study was to assess the effects of ventilation with low tidal volume (VT) either alone or in a combination with moderate permissive hypercapnia in major pancreatoduodenal interventions. MATERIALS AND METHODS: Sixty adult patients scheduled for elective pancreatoduodenal surgery with duration >2 h were enrolled into a prospective single-center study...
2016: Frontiers in Medicine
https://www.readbyqxmd.com/read/27881376/question-2-is-permissive-hypercapnia-beneficial-to-preterm-infants
#4
Murwan Omer, Eleanor J Molloy
No abstract text is available yet for this article.
January 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/27876355/lung-protective-ventilatory-strategies-in-intubated-preterm-neonates-with-rds
#5
REVIEW
F Reiterer, B Schwaberger, T Freidl, G Schmölzer, G Pichler, B Urlesberger
This article provides a narrative review of lung-protective ventilatory strategies (LPVS) in intubated preterm infants with RDS. A description of strategies is followed by results on short-and long-term respiratory and neurodevelopmental outcomes. Strategies will include patient-triggered or synchronized ventilation, volume targeted ventilation, the technique of intubation, surfactant administration and rapid extubation to NCPAP (INSURE), the open lung concept, strategies of high-frequency ventilation, and permissive hypercapnia...
October 26, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/27758969/extracorporeal-membrane-oxygenation-support-for-life-threatening-acute-severe-status-asthmaticus
#6
Gabriella Di Lascio, Edvin Prifti, Elmi Messai, Adriano Peris, Guy Harmelin, Roland Xhaxho, Albana Fico, Guido Sani, Massimo Bonacchi
INTRODUCTION: Status asthmaticus is a life-threatening condition characterized by progressive respiratory failure due to asthma that is unresponsive to standard therapeutic measures. We used extracorporeal membrane oxygenation (ECMO) to treat patients with near-fatal status asthamticus who did not respond to aggressive medical therapies and mechanical ventilation under controlled permissive hypercapnia. MATERIALS AND METHODS: Between January 2011 and October 2015, we treated 16 adult patients with status asthmaticus (8 women, 8 men, mean age: 50...
October 6, 2016: Perfusion
https://www.readbyqxmd.com/read/27635737/mechanical-ventilation-in-neurocritical-care-patients-a-systematic-literature-review
#7
Beatrice Borsellino, Marcus J Schultz, Marcelo Gama de Abreu, Chiara Robba, Federico Bilotta
INTRODUCTION: Neurocritical care (NCC) patients often require prolonged mechanical ventilation, and they are at high risk of respiratory complications. Therefore, the potential benefit role of protective lung ventilation (PLV), which demonstrated to reduce postoperative complications in patients with acute distress respiratory syndrome, has been suggested even on NCC patients. However, PLV can increase intracranial pressure as result of permissive hypercapnia and of high airway pressures during recruitment maneuvers...
October 2016: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/27512467/acute-respiratory-failure-in-pregnancy
#8
REVIEW
Stephen E Lapinsky
Respiratory failure affects up to 0.2% of pregnancies, more commonly in the postpartum period. Altered maternal respiratory physiology affects the assessment and management of these patients. Respiratory failure may result from pregnancy-specific conditions such as preeclampsia, amniotic fluid embolism or peripartum cardiomyopathy. Pregnancy may increase the risk or severity of other conditions, including thromboembolism, asthma, viral pneumonitis, and gastric acid aspiration. Management during pregnancy is similar to the nonpregnant patient...
September 2015: Obstetric Medicine
https://www.readbyqxmd.com/read/27386763/intensive-care-and-pregnancy-epidemiology-and-general-principles-of-management-of-obstetrics-icu-patients-during-pregnancy
#9
Laurent Zieleskiewicz, Anne Chantry, Gary Duclos, Aurelie Bourgoin, Alexandre Mignon, Catherine Deneux-Tharaux, Marc Leone
In developed countries, the rate of obstetric ICU admissions (admission during pregnancy or the postpartum period) is between 0.5 and 4 per 1000 deliveries and the overall case-fatality rate is about 2%. The most two common causes of obstetric ICU admissions concerned direct obstetric pathologies: obstetric hemorrhage and hypertensive disorders of pregnancy. This review summarized the principles of management of critically ill pregnant patient. Its imply taking care of two patients in the same time. A coordinated multidisciplinary team including intensivists, anesthesiologists, obstetricians, pediatricians and pharmacists is therefore necessary...
October 2016: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/27386250/effects-of-permissive-hypercapnia-on-pulmonary-and-neurodevelopmental-sequelae-in-extremely-low-birth-weight-infants-a-meta-analysis
#10
REVIEW
Jianglin Ma, Hui Ye
OBJECTIVES: To perform a systematic review and meta-analysis of the efficacy and safety of permissive hypercapnia in extremely low birth weight infants. METHODS: A systematic search of MEDLINE, EMBASE, the Cochrane Database of randomized trials. Eligibility and quality of trials were assessed, and data on study design, patient characteristics, and relevant outcomes were extracted. RESULTS: Four studies that enrolled a total of 693 participants were selected...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27216321/a-47-year-old-woman-with-hypercapnia-and-altered-mental-status
#11
Brian Bellucci, Renli Qiao
Permissive hypercapnia is a commonly used ventilator strategy in attempt to improve refractory hypoxemia. The rationale of such practice is based on the assumption that hypercapnia, although associated with altered mental status, is well tolerated. Here we report a case in which the altered mental status caused by hypercapnia is underlined by a life-threatening mechanism. The case indicates the severity of hypercapnia may have been mistakenly overlooked in the past. This article is protected by copyright. All rights reserved...
May 23, 2016: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/26955891/lung-ventilation-strategies-for-acute-respiratory-distress-syndrome-a-systematic-review-and-network-meta-analysis
#12
REVIEW
Changsong Wang, Xiaoyang Wang, Chunjie Chi, Libo Guo, Lei Guo, Nana Zhao, Weiwei Wang, Xin Pi, Bo Sun, Ailing Lian, Jinghui Shi, Enyou Li
To identify the best lung ventilation strategy for acute respiratory distress syndrome (ARDS), we performed a network meta-analysis. The Cochrane Central Register of Controlled Trials, EMBASE, MEDLINE, CINAHL, and the Web of Science were searched, and 36 eligible articles were included. Compared with higher tidal volumes with FiO2-guided lower positive end-expiratory pressure [PEEP], the hazard ratios (HRs) for mortality were 0.624 (95% confidence interval (CI) 0.419-0.98) for lower tidal volumes with FiO2-guided lower PEEP and prone positioning and 0...
March 9, 2016: Scientific Reports
https://www.readbyqxmd.com/read/26852593/-hypercapnia-alternative-hypoxia-signal-incentives-to-increase-hif-1%C3%AE-and-erythropoietin-in-the-brain
#13
V P Kulikov, P P Tregub, P D Kovzelev, E A Dorokhov, A A Belousov
Investigated the role of hypercapnic component in the mechanism of activation of HIF-1α and increase the synthesis of erythropoietin in the combined and the isolated impact of hypoxia and hypercapnia. It was found that the content of proteins of interest significantly increases both in isolated hypoxia and hypercapnia, and at their combined effect. Moreover, the hypercapnic hypoxia causes maximum activation of the synthesis and accumulation of erythropoietin HIF-1α, and permissive hypercapnia enhances their content more than hypoxic exposure...
July 2015: Patologicheskaia Fiziologiia i èksperimental'naia Terapiia
https://www.readbyqxmd.com/read/26840779/the-effects-of-lung-protective-ventilation-or-hypercapnic-acidosis-on-gas-exchange-and-lung-injury-in-surfactant-deficient-rabbits
#14
Helmut D Hummler, Katharina Banke, Marla R Wolfson, Giuseppe Buonocore, Michael Ebsen, Wolfgang Bernhard, Dimitrios Tsikas, Hans Fuchs
BACKGROUND: Permissive hypercapnia has been shown to reduce lung injury in subjects with surfactant deficiency. Experimental studies suggest that hypercapnic acidosis by itself rather than decreased tidal volume may be a key protective factor. OBJECTIVES: To study the differential effects of a lung protective ventilatory strategy or hypercapnic acidosis on gas exchange, hemodynamics and lung injury in an animal model of surfactant deficiency. METHODS: 30 anesthetized, surfactant-depleted rabbits were mechanically ventilated (FiO2 = 0...
2016: PloS One
https://www.readbyqxmd.com/read/26463502/management-of-congenital-diaphragmatic-hernia-a-systematic-review-from-the-apsa-outcomes-and-evidence-based-practice-committee
#15
REVIEW
Pramod S Puligandla, Julia Grabowski, Mary Austin, Holly Hedrick, Elizabeth Renaud, Meghan Arnold, Regan F Williams, Kathleen Graziano, Roshni Dasgupta, Milissa McKee, Monica E Lopez, Tim Jancelewicz, Adam Goldin, Cynthia D Downard, Saleem Islam
OBJECTIVE: Variable management practices complicate the identification of optimal strategies for infants with congenital diaphragmatic hernia (CDH). This review critically appraises the available evidence to provide recommendations. METHODS: Six questions regarding CDH management were generated. English language articles published between 1980 and 2014 were compiled after searching Medline, Cochrane, Embase and Web of Science. Given the paucity of literature on the subject, all studies irrespective of their rank in the levels of evidence hierarchy were included...
November 2015: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/26458370/survival-of-outborns-with-congenital-diaphragmatic-hernia-the-role-of-protective-ventilation-early-presentation-and-transport-distance-a-retrospective-cohort-study
#16
Katarina Bojanić, Ena Pritišanac, Tomislav Luetić, Jurica Vuković, Juraj Sprung, Toby N Weingarten, William A Carey, Darrell R Schroeder, Ruža Grizelj
BACKGROUND: Congenital diaphragmatic hernia (CDH) is a congenital malformation associated with life-threatening pulmonary dysfunction and high neonatal mortality. Outcomes are improved with protective ventilation, less severe pulmonary pathology, and the proximity of the treating center to the site of delivery. The major CDH treatment center in Croatia lacks a maternity ward, thus all CDH patients are transferred from local Zagreb hospitals or remote areas (outborns). In 2000 this center adopted protective ventilation for CDH management...
2015: BMC Pediatrics
https://www.readbyqxmd.com/read/26287294/carbon-dioxide-and-the-heart-physiology-and-clinical-implications
#17
REVIEW
George J Crystal
Carbon dioxide (CO2) is an end product of aerobic cellular respiration. In healthy persons, PaCO2 is maintained by physiologic mechanisms within a narrow range (35-45 mm Hg). Both hypercapnia and hypocapnia are encountered in myriad clinical situations. In recent years, the number of hypercapnic patients has increased by the use of smaller tidal volumes to limit lung stretch and injury during mechanical ventilation, so-called permissive hypercapnia. A knowledge and appreciation of the effects of CO2 in the heart are necessary for optimal clinical management in the perioperative and critical care settings...
September 2015: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/26201905/proliferative-and-synthetic-activity-of-nerve-cells-after-combined-or-individual-exposure-to-hypoxia-and-hypercapnia
#18
P P Tregub, V P Kulikov, N Yu Rucheikin, E V Belova, Yu G Motin
We compared synthetic and proliferative activity of brain cells in rats exposed hypoxia, hypercapnia, or both prior to experimental focal stroke. The mean number of nucleolus organizer regions in penumbra neurons did not change after normobaric hypoxia, but increased after permissive hypercapnia or hypercapnic hypoxia. These data attest to activation of proliferative and synthetic functions in nerve cells, which plays an important role in the neuroprotective mechanisms under conditions of combined exposure to hypoxia and hypercapnia...
July 2015: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/26148361/-effect-of-neonatal-respiratory-support-strategies-in-the-icu
#19
REVIEW
O E Mitkinov, V I Gorbachev
This review deals with the current trends in protective ventilation in newborns. Volumotrauma is the most common variant of ventilator-induced lung injury. The modern research is devoted to the study of biotrauma, which is the release of inflammatory mediators in response to mechanical ventilation. There is a correlation between the ventilator-induced lung injury and the development of chronic lung diseases in infants. Now we have the "new" form of bronchopulmonary dysplasia-parenchymal lung disease characterized by impaired growth and development of the alveoli and blood vessels of the pulmonary circulation...
March 2015: Anesteziologiia i Reanimatologiia
https://www.readbyqxmd.com/read/26135950/german-experience-in-the-management-of-elgan-infants
#20
Hans Fuchs
Of 680 000 infants born in Germany a year roughly 10% are preterm and 1% are very preterm. They are treated in around 150 level 1 perinatal centers and there are various credos how to best treat the ELGAN infant. However, many centers include the use of a sustained inflation for lung aeration in the standard protocol of delivery room care in Germany. As a result of the large studies on delivery room care, a trend for earlier or prophylactic surfactant in the most immature infants can be observed, however, surfactant is increasingly given in a new less invasive way called LISA...
June 29, 2015: Acta Bio-medica: Atenei Parmensis
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