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Preoxygenation

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https://www.readbyqxmd.com/read/28806204/preoxygenation-before-extubation-a-road-to-patient-safety-less-traveled
#1
Amitabh Dutta
No abstract text is available yet for this article.
August 10, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28759496/addition-of-nasal-cannula-can-either-impair-or-enhance-preoxygenation-with-a-bag-valve-mask-a-randomized-crossover-design-study-comparing-oxygen-flow-rates
#2
David McQuade, Matthew R Miller, Clare Hayes-Bradley
BACKGROUND: A critical safety component of emergency anesthesia is the avoidance of hypoxemia during the apneic phase of a rapid sequence intubation. Preoxygenation with a bag valve mask (BVM) or anesthetic circuit may be improved with supplemental oxygen by nasal cannula (NC) if there is a mask leak. In addition, NC is recommended for apneic oxygenation after induction and may be placed before preoxygenation. However, the optimum NC flow rate for preoxygenation or whether the presence of NC alone creates a mask leak remains unclear...
July 26, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28684195/apneic-oxygenation-during-intubation-in-the-emergency-department-and-during-retrieval-a-systematic-review-and-meta-analysis
#3
REVIEW
Matthew J Binks, Rhys S Holyoak, Thomas M Melhuish, Ruan Vlok, Elyse Bond, Leigh D White
BACKGROUND: Hypoxemia increases the risk of intubation markedly. Such concerns are multiplied in the emergency department (ED) and during retrieval where patients may be unstable, preparation or preoxygenation time limited and the environment uncontrolled. Apneic oxygenation is a promising means of preventing hypoxemia in this setting. AIM: To test the hypothesis that apnoeic oxygenation reduces the incidence of hypoxemia during endotracheal intubation in the ED and during retrieval...
June 24, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28604467/transnasal-humidified-rapid-insufflation-ventilatory-exchange-for-preoxygenation-before-cesarean-delivery-under-general-anesthesia-a-case-report
#4
Maryse Hengen, Rosalie Willemain, Alain Meyer, Bruno Langer, Girish P Joshi, Pierre Diemunsch
Transnasal humidified rapid-insufflation ventilatory exchange has been shown to improve oxygenation and increase apnea time in difficult airway cases. It may also be beneficial in patients vulnerable to rapid desaturation due to limited pulmonary reserve. We report the use of transnasal humidified rapid-insufflation ventilatory exchange for preoxygenation before a cesarean delivery under general anesthesia in a patient with respiratory distress because of pneumonia and heart failure from severe mitral stenosis...
June 8, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28574109/a-new-approach-combining-venoarterial-extracorporeal-membrane-oxygenation-and-crrt-for-adults-a-retrospective-study
#5
Xing-Liang Zhou, Yan-He Chen, Qing-Yun Wang
PURPOSE: This study aimed to assess a new approach combining venoarterial (VA) extracorporeal membrane oxygenation (ECMO) and continuous renal replacement therapy (CRRT) in adults, while monitoring CRRT circuit pressures. METHODS: The inlet and outlet of the CRRT circuit were connected to preoxygenator port and postoxygenator port, respectively. Then, complications and CRRT circuit pressures were evaluated. RESULTS: 7 patients underwent combined VA-ECMO and CRRT; 16 filters were used...
July 5, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28542050/low-spo2-with-normal-sao2-during-general-anesthesia-a-case-report
#6
Stefan Brugger, Maria-Dolores Santafé-Marti, Malika Lakhal
A 25-year-old Caucasian man with a history of spherocytosis, splenectomy, recurrent blood transfusion, and no cardiopulmonary disease presented for an emergent laparoscopic cholecystectomy with a baseline pulse oximetric saturation (SpO2) of 88% while breathing room air. The SpO2 increased to only 89% during preoxygenation with an FIO2 1.0. Multiple arterial blood samples revealed SaO2 as high as 100% with PaO2 averaging 390 mm Hg. He was subsequently diagnosed with a dyshemoglobin, hemoglobin Köln. The simultaneous presentation of a stable patient from a cardiopulmonary perspective with normal arterial oxygen tension and saturation in the blood gas analyses despite a low SpO2 measurement outlines the importance of integrating the history of present illness and both the importance and the limitation of the pulse oximetry...
May 23, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28525518/high-end-tidal-oxygen-concentration-can-be-a-misleading-sole-indicator-of-the-completeness-of-preoxygenation
#7
Jonathan L Benumof, Seth T Herway
No abstract text is available yet for this article.
June 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28434271/minimizing-atelectasis-formation-during-general-anaesthesia-oxygen-washout-is-a-non-essential-supplement-to-peep
#8
Erland Östberg, Udo Auner, Mats Enlund, Henrik Zetterström, Lennart Edmark
BACKGROUND: Following preoxygenation and induction of anaesthesia, most patients develop atelectasis. We hypothesized that an immediate restoration to a low oxygen level in the alveoli would prevent atelectasis formation and improve oxygenation during the ensuing anaesthesia. METHODS: We randomly assigned 24 patients to either a control group (n = 12) or an intervention group (n = 12) receiving an oxygen washout procedure directly after intubation. Both groups were, depending on body mass index, ventilated with a positive end-expiratory pressure (PEEP) of 6-8 cmH2O during surgery...
June 2017: Upsala Journal of Medical Sciences
https://www.readbyqxmd.com/read/28400685/republication-all-india-difficult-airway-association-2016-guidelines-for-tracheal-intubation-in-the-intensive-care-unit
#9
Sheila Nainan Myatra, Syed Moied Ahmed, Pankaj Kundra, Rakesh Garg, Venkateswaran Ramkumar, Apeksh Patwa, Amit Shah, Ubaradka S Raveendra, Sumalatha Radhakrishna Shetty, Jeson Rajan Doctor, Dilip K Pawar, Singaravelu Ramesh, Sabyasachi Das, Jigeeshu Vasishtha Divatia
Tracheal intubation (TI) is a routine procedure in the Intensive Care Unit (ICU) and is often lifesaving. In contrast to the controlled conditions in the operating room, critically ill patients with respiratory failure and shock are physiologically unstable. These factors, along with under evaluation of the airway and suboptimal response to preoxygenation, are responsible for a high incidence of life-threatening complications such as severe hypoxemia and cardiovascular collapse during TI in the ICU. The All India Difficult Airway Association (AIDAA) proposes a stepwise plan for safe management of the airway in critically ill patients...
March 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28298953/cellular-preoxygenation-partially-attenuates-the-antitumoral-effect-of-cisplatin-despite-highly-protective-effects-on-renal-epithelial-cells
#10
Bahram Rasoulian, Ayat Kaeidi, Maryam Rezaei, Zahra Hajializadeh
Our previous in vitro studies demonstrated that oxygen pretreatment significantly protects human embryonic renal tubular cell against acute cisplatin- (CP-) induced cytotoxicity. The present study was designed to investigate whether this protective effect is associated with decreasing therapeutic effects of cisplatin on malignant cells. For this purpose, cultured human embryonic kidney epithelial-like (AD293), cervical carcinoma epithelial-like (Hela), and ovarian adenocarcinoma epithelial-like (OVCAR-3) cells were subjected to either 2-hour pretreatment with oxygen (≥90%) or normal air and then to a previously determined 50% lethal dose of cisplatin for 24 hours...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28203758/preoxygenation-using-the-optiflow%C3%A2-system
#11
K S Ang, A Green, K K Ramaswamy, C Frerk
No abstract text is available yet for this article.
March 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28100527/transnasal-humidified-rapid-insufflation-ventilatory-exchange-thrive-in-children-a-randomized-controlled-trial
#12
S Humphreys, P Lee-Archer, G Reyne, D Long, T Williams, A Schibler
BACKGROUND: Transnasal humidified rapid-insufflation ventilatory exchange (THRIVE) was introduced to adult anaesthesia to improve the safety of airway management during apnoea before intubation. The objective of our study was to determine whether THRIVE safely prolongs apnoeic oxygenation in children. METHODS: This was a randomized controlled trial in 48 healthy children, with normal airways and cardiorespiratory function, in age groups 0-6 and 7-24 months, 2-5 and 6-10 yr old, presenting for elective surgery or imaging under general anaesthesia...
February 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28099321/preoxygenation-physiologic-basis-benefits-and-potential-risks
#13
REVIEW
Usharani Nimmagadda, M Ramez Salem, George J Crystal
Preoxygenation before anesthetic induction and tracheal intubation is a widely accepted maneuver, designed to increase the body oxygen stores and thereby delay the onset of arterial hemoglobin desaturation during apnea. Because difficulties with ventilation and intubation are unpredictable, the need for preoxygenation is desirable in all patients. During emergence from anesthesia, residual effects of anesthetics and inadequate reversal of neuromuscular blockade can lead to hypoventilation, hypoxemia, and loss of airway patency...
February 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28098687/is-there-anything-new-about-preoxygenation-duh-yeah
#14
Peter D Slinger
No abstract text is available yet for this article.
February 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28079660/anesthetic-management-of-a-child-with-jeune-syndrome-for-tracheotomy-a-case-report
#15
Masakazu Kotoda, Tadahiko Ishiyama, Katsumi Okuyama, Takashi Matsukawa
Jeune syndrome is a rare autosomal-recessive skeletal disorder. Anesthetic management of these patients is often difficult because of thoracic and lung hypoplasia. A 5-month-old boy with Jeune syndrome was scheduled to undergo a tracheotomy. Despite 5-minute preoxygenation with continuous positive airway pressure, the patient's oxygen saturation rapidly dropped during the induction of anesthesia. The continuous positive airway pressure should have been titrated to effective tidal volume during preoxygenation to recruit the patient's functional residual capacity and to prevent desaturation...
March 1, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/27871545/fiberoptic-guided-intubation-after-insertion-of-the-i-gel-airway-device-in-spontaneously-breathing-patients-with-difficult-airway-predicted-a-prospective-observational-study
#16
Julian Arévalo-Ludeña, Jose Juan Arcas-Bellas, Rafael Alvarez-Rementería, Luis Enrique Muñoz Alameda
STUDY OBJECTIVE: To assess the viability of performing fiberoptic-guided orotracheal intubation through the i-gel airway device previously inserted in spontaneously breathing patients with predicted difficult airway to achieve a patent airway. DESIGN: Prospective observational study. SETTING: Operating room in a tertiary care hospital. PATIENTS: Eighty-five adult patients with at least 3 difficult airway predictors or difficult airway management history were included...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27862035/does-an-open-recirculation-line-affect-the-flow-rate-and-pressure-in-a-neonatal-extracorporeal-life-support-circuit-with-a-centrifugal-or-roller-pump
#17
Shigang Wang, Shannon B Spencer, Karl Woitas, Kristen Glass, Allen R Kunselman, Akif Ündar
The objective of this study is to evaluate the impact of an open or closed recirculation line on flow rate, circuit pressure, and hemodynamic energy transmission in simulated neonatal extracorporeal life support (ECLS) systems. The two neonatal ECLS circuits consisted of a Maquet HL20 roller pump (RP group) or a RotaFlow centrifugal pump (CP group), Quadrox-iD Pediatric oxygenator, and Biomedicus arterial and venous cannulae (8 Fr and 10 Fr) primed with lactated Ringer's solution and packed red blood cells (hematocrit 35%)...
January 2017: Artificial Organs
https://www.readbyqxmd.com/read/27749553/preoxygenation-using-invasive-ventilator-in-volume-control-mode-in-patients-with-emergency-intubation-can-shorten-the-time-of-preoxygenation-and-improve-the-quality-of-preoxygenation-a-retrospective-study
#18
Hai Wang, Jiang-Li Sun, Zheng-Hai Bai, Xiao-Bo Wang, Zheng-Liang Zhang, Hong-Hong Pei
Preoxygenation can rapidly improve oxygenation and enhance the security of endotracheal intubation, so it is very essential before endotracheal intubation. The conventional preoxygenation method self-inflating bag (SIB) is not very effective in case of emergency. So our study aims to find a more effective method of preoxygenation in a critical situation.We retrospectively analyzed data of 105 patients in this study. A total of 49 patients with preoxygenation with invasive ventilator in volume control mode (VCM) and 56 patients with preoxygenation with SIB were included...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27742325/ventilator-delivered-continuous-positive-airway-pressure-for-apnea-test-in-the-diagnosis-of-brain-death-in-patient-with-extremely-poor-baseline-lung-function-case-report
#19
J Solek-Pastuszka, M Sawicki, W Iwańczuk, R Bohatyrewicz
Polish brain death (BD) criteria established in 2007 are currently under review and therefore all reports about any problems noticed during diagnostic attempts are being carefully analyzed. According to information from intensive care units, patients with poor baseline lung function often do not tolerate ventilator disconnection during the apnea test (AT) despite previous preoxygenation and catheter O2 insufflation. Abortion of AT because of decrease of saturation as measured by pulse oximetry is quite common...
September 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27730283/apnoeic-oxygenation-via-high-flow-nasal-cannula-oxygen-combined-with-non-invasive-ventilation-preoxygenation-for-intubation-in-hypoxaemic-patients-in-the-intensive-care-unit-the-single-centre-blinded-randomised-controlled-optiniv-trial
#20
Samir Jaber, Marion Monnin, Mehdi Girard, Matthieu Conseil, Moussa Cisse, Julie Carr, Martin Mahul, Jean Marc Delay, Fouad Belafia, Gérald Chanques, Nicolas Molinari, Audrey De Jong
PURPOSE: High-flow nasal cannula oxygen (HFNC) has the potential to provide apnoeic oxygenation. We decided to assess in a proof-of-concept study whether the addition of HFNC to non-invasive ventilation (NIV) could reduce oxygen desaturation during intubation, compared with NIV alone for preoxygenation, in severely hypoxaemic intensive care unit (ICU) patients with respiratory failure. METHODS: We conducted a randomised, controlled, single-centre trial with assessor-blinded outcome assessment in patients admitted to the ICU...
December 2016: Intensive Care Medicine
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