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Anesthesia ventilator

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https://www.readbyqxmd.com/read/28526944/ventilator-data-extraction-with-a-video-display-image-capture-and-processing-system
#1
David B Wax, Bryan Hill, Matthew A Levin
Medical hardware and software device interoperability standards are not uniform. The result of this lack of standardization is that information available on clinical devices may not be readily or freely available for import into other systems for research, decision support, or other purposes. We developed a novel system to import discrete data from an anesthesia machine ventilator by capturing images of the graphical display screen and using image processing to extract the data with off-the-shelf hardware and open-source software...
June 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28523031/myocardial-protection-with-glucose-insulin-potassium-infusion-during-adult-cardiac-surgery
#2
Suhail Ahmad, Rana Altaf Ahmad, Bilal Ahsan Qureshi, Mirza Ahmad Raza Baig
BACKGROUND & OBJECTIVE: Recent meta-analysis reports have called for more randomized trials to evaluate the effectiveness of GIK solution in patients of cardiac surgery. So this study was conducted to evaluate the effectiveness of Glucose-insulin-potassium (GIK) solutions in non-diabetic patients undergoing coronary artery bypass grafting. METHODS: A total number of one hundred and sixty (160) patients were randomized into two equal groups; GIK Group and non-GIK group...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28511794/application-of-end-tidal-carbon-dioxide-monitoring-via-distal-gas-samples-in-ventilated-neonates
#3
Ziying Jin, Maoying Yang, Ru Lin, Wenfang Huang, Jiangmei Wang, Zhiyong Hu, Qiang Shu
BACKGROUND: Previous research has suggested correlations between the end-tidal partial pressure of carbon dioxide (PETCO2) and the partial pressure of arterial carbon dioxide (PaCO2) in mechanically ventilated patients, but both the relationship between PETCO2 and PaCO2 and whether PETCO2 accurately reflects PaCO2 in neonates and infants are still controversial. This study evaluated remote sampling of PETCO2 via an epidural catheter within an endotracheal tube to determine the procedure's clinical safety and efficacy in the perioperative management of neonates...
April 12, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28504995/remote-ischemic-preconditioning-decreases-oxidative-lung-damage-after-pulmonary-lobectomy-a-single-center-randomized-double-blind-controlled-trial
#4
José García-de-la-Asunción, Laura Bruno, Jaume Perez-Griera, Genaro Galan, Alfonso Morcillo, Richard Wins, Eva García-Del-Olmo, Ricardo Guijarro, Benjamín Sarriá, Francisco Martí, Marina Soro, Francisco Javier Belda
BACKGROUND: During lobectomy in patients with lung cancer, the operated lung is often -collapsed and hypoperfused. Ischemia/reperfusion injury may then occur when the lung is -re-expanded. We hypothesized that remote ischemic preconditioning (RIPC) would decrease oxidative lung damage and improve gas exchange in the postoperative period. METHODS: We conducted a single-center, randomized, double-blind trial in patients with nonsmall cell lung cancer undergoing elective lung lobectomy...
May 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28504359/changing-the-paradigm-for-diagnostic-mri-in-pediatrics-don-t-hold-your-breath
#5
Melissa M Masaracchia, Michael J Tsapakos, Nancy J McNulty, Michael L Beach
Increasingly complex pediatric patients and improvements in technology warrant reevaluation of the risk associated with anesthesia for diagnostic imaging. Although magnetic resonance imaging is the imaging modality of choice for children given the potentially harmful effects of computerized tomography-associated ionizing radiation, we dare to suggest that certain patients would benefit from the liberalization of our current standard. Incorporating the use of newer computerized tomography technology may improve safety for those that are already at higher risk for adverse events...
May 15, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28504341/breathing-circuit-compliance-and-accuracy-of-displayed-tidal-volume-during-pressure-controlled-ventilation-of-infants-a-quality-improvement-project
#6
Todd A Glenski, Carrie Diehl, Rachel G Clopton, Robert H Friesen
INTRODUCTION: Anesthesia machines have evolved to deliver desired tidal volumes more accurately by measuring breathing circuit compliance during a preuse self-test and then incorporating the compliance value when calculating expired tidal volume. The initial compliance value is utilized in tidal volume calculation regardless of whether the actual compliance of the breathing circuit changes during a case, as happens when corrugated circuit tubing is manually expanded after the preuse self-test but before patient use...
May 15, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28502060/comparison-of-univent-tube-and-ez-blocker-in-one-lung-ventilation-airway-pressures-and-gas-exchange
#7
Tülay Hoşten, Can Aksu, Alparslan Kuş, Sevim Cesur, Neşe Türkyılmaz, Mine Solak
Univent tube (UT) and EZ-blocker were used for one-lung ventilation (OLV). UT is a single lumen tube with a small separate lumen containing a bronchial blocker. EZ-blocker differs with its unique y-shaped double-cuffed distal end. We aimed to compare these two airway devices effects on airway pressures, oxygenation, ventilation and haemodynamics during OLV. Patients undergoing elective thoracotomy for the first time were included in this prospective randomized study. Patients were divided into two groups as UT and EZ...
May 13, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28499786/head-elevation-and-lateral-head-rotation-effect-on-facemask-ventilation-efficiency-randomized-crossover-trials
#8
Sayuri Matsunami, Nobuyasu Komasawa, Yuki Konishi, Toshiaki Minami
PURPOSE: We performed two prospective randomized crossover trials to evaluate the effect of head elevation or lateral head rotation to facemask ventilation volume. METHODS: In the first trial, facemask ventilation was performed with a 12-cm high pillow (HP) and 4-cm low pillow (LP) in 20 female patients who were scheduled to undergo general anesthesia. In the second trial, facemask ventilation was performed with and without lateral head rotation in another 20 female patients...
May 8, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28496141/a-randomized-comparison-of-the-prone-ventilation-endotracheal-tube-versus-the-traditional-endotracheal-tube-in-adult-patients-undergoing-prone-position-surgery
#9
Wangyuan Zou, Jiali Shao, Xia Liang, Lin Li, Zhenghua He, Qulian Guo
Endotracheal tube displacement or dislocation is a severe complication that can occur in patients who require prone position ventilation. We hypothesized the prone position tube (PPT) would reduce the incidence of displacement of an endotracheal tube in an adult prone operation compared to a traditional tube (TT). A total of 80 adult patients undergoing neurosurgery or spine surgery were recruited. Sixty patients with prone position ventilation were randomly divided into the traditional routine endotracheal tube group (Group TT, n = 30) and the prone position ventilation endotracheal tube group (Group PPT, n = 30)...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28495814/automated-control-of-mechanical-ventilation-during-general-anaesthesia-study-protocol-of-a-bicentric-observational-study-avas
#10
Dirk Schädler, Georg Miestinger, Tobias Becher, Inéz Frerichs, Norbert Weiler, Christoph Hörmann
INTRODUCTION: Automated control of mechanical ventilation during general anaesthesia is not common. A novel system for automated control of most of the ventilator settings was designed and is available on an anaesthesia machine. METHODS AND ANALYSIS: The 'Automated control of mechanical ventilation during general anesthesia study' (AVAS) is an international investigator-initiated bicentric observational study designed to examine safety and efficacy of the system during general anaesthesia...
May 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28493943/open-lung-approach-versus-standard-protective-strategies-effects-on-driving-pressure-and-ventilatory-efficiency-during-anesthesia-a-pilot-randomized-controlled-trial
#11
Carlos Ferrando, Fernando Suarez-Sipmann, Gerardo Tusman, Irene León, Esther Romero, Estefania Gracia, Ana Mugarra, Blanca Arocas, Natividad Pozo, Marina Soro, Francisco J Belda
BACKGROUND: Low tidal volume (VT) during anesthesia minimizes lung injury but may be associated to a decrease in functional lung volume impairing lung mechanics and efficiency. Lung recruitment (RM) can restore lung volume but this may critically depend on the post-RM selected PEEP. This study was a randomized, two parallel arm, open study whose primary outcome was to compare the effects on driving pressure of adding a RM to low-VT ventilation, with or without an individualized post-RM PEEP in patients without known previous lung disease during anesthesia...
2017: PloS One
https://www.readbyqxmd.com/read/28493634/an-experimental-study-of-the-recovery-of-injured-porcine-lungs-with-prolonged-normothermic-cellular-ex-vivo-lung-perfusion-following-donation-after-circulatory-death
#12
John R Spratt, Lars M Mattison, Paul A Iaizzo, Roland Z Brown, Haylie Helms, Tinen L Iles, Brian Howard, Angela Panoskaltsis-Mortari, Gabriel Loor
INTRODUCTION: Donation after circulatory death (DCD) is an underused source of donor lungs. Normothermic cellular ex vivo lung perfusion (EVLP) is effective in preserving standard donor lungs but may also be useful in the preservation and assessment of DCD lungs. METHODS: Using a model of DCD and prolonged EVLP, the effects of donor warm ischemia and postmortem ventilation on graft recovery were evaluated. Adult male swine underwent general anesthesia and heparinization...
May 11, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28486318/asking-a-better-question-development-and-evaluation-of-the-need-for-trauma-intervention-nfti-metric-as-a-novel-indicator-of-major-trauma
#13
Jacob W Roden-Foreman, Nakia R Rapier, Luanna Yelverton, Michael L Foreman
Many existing metrics, such as Injury Severity Score (ISS), cannot fully describe many trauma patients because of comorbidities. This study developed and evaluated the Need For Trauma Intervention (NFTI) metric as a novel indicator of major trauma. The NFTI metric was developed from an analysis of 2,396 trauma patients at a Level I trauma center. Six commonly recorded registry variables were found to be indicative of major trauma and comprised the NFTI criteria: receiving packed red blood cells within 4 hr; discharge from the emergency department (ED) to the operating room within 90 min; discharge from the ED to interventional radiology; discharge from the ED to the intensive care unit (ICU) with an ICU length of stay (LOS) of 3 or more days; mechanical ventilation outside of procedural anesthesia within 3 days; or death within 60 hr...
May 2017: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
https://www.readbyqxmd.com/read/28482650/obesity-and-perioperative-noninvasive-ventilation-in-bariatric-surgery
#14
Michele Carron, Francesco Zarantonello, Giovanna Ieppariello, Carlo Ori
The incidence and prevalence of obesity continues to increase globally. Physicians will therefore provide care for an increasing number of obese patients in their clinical practice. Optimal management of these patients is required to minimize the risk of perioperative complications that increase morbidity and mortality. Obesity affects the respiratory function. It is generally associated with reduced lung volume with increased atelectasis, decreased lung and chest wall compliance, increased airway resistance, and moderate to severe hypoxemia...
June 2017: Minerva Chirurgica
https://www.readbyqxmd.com/read/28472554/efficacy-of-intravenous-cobinamide-versus-hydroxocobalamin-or-saline-for-treatment-of-severe-hydrogen-sulfide-toxicity-in-a-swine-sus-scrofa-model
#15
Vikhyat S Bebarta, Normalynn Garrett, Matthew Brenner, Sari Mahon, Joseph K Maddry, Susan Boudreau, Maria Castaneda, Gerard Boss
BACKGROUND: Hydrogen sulfide (H2S) is a potentially deadly gas that naturally occurs in petroleum and natural gas. The Occupational Health and Safety Administration cites H2S as a leading cause of workplace gas inhalation deaths. Mass casualties of H2S toxicity may be caused by exposure from industrial accidents or release from oil field sites. H2S is also an attractive terrorism tool because of its high toxicity and ease with which it can be produced. Several potential antidotes have been proposed for hydrogen sulfide poisoning but none have been completely successful...
May 4, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28471973/a-randomized-comparison-of-volume-and-pressure-controlled-ventilation-in-children-with-the-i-gel-effects-on-peak-inspiratory-pressure-oropharyngeal-leak-pressure-and-gastric-insufflation
#16
Jin Ha Park, Ji Young Kim, Kyoungun Park, Hae Keum Kil
BACKGROUND: The i-gel provides good airway sealing but gastric insufflation may occur when peak inspiratory pressure (PIP) exceeds the sealing pressure of the i-gel without a gastric tube. Pressure-controlled ventilation (PCV) provides lower PIP compared with volume-controlled ventilation (VCV) and low PIP may reduce the incidence of gastric insufflation in children during positive pressure ventilation. This study was designed to evaluate PIP, oropharyngeal leak pressure, and gastric insufflation during VCV or PCV in children undergoing general anesthesia with i-gel without a gastric tube in situ...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28459735/frequency-and-type-of-situational-awareness-errors-contributing-to-death-and-brain-damage-a-closed-claims-analysis
#17
Christian M Schulz, Amanda Burden, Karen L Posner, Shawn L Mincer, Randolph Steadman, Klaus J Wagner, Karen B Domino
BACKGROUND: Situational awareness errors may play an important role in the genesis of patient harm. The authors examined closed anesthesia malpractice claims for death or brain damage to determine the frequency and type of situational awareness errors. METHODS: Surgical and procedural anesthesia death and brain damage claims in the Anesthesia Closed Claims Project database were analyzed. Situational awareness error was defined as failure to perceive relevant clinical information, failure to comprehend the meaning of available information, or failure to project, anticipate, or plan...
May 1, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28459396/-mechanical-ventilation-leads-to-remodeling-of-diaphragma-and-soleus-in-rats
#18
Lei Shao, Zhifang Wang, Feifei Wang, Jiaru Huang, Xiaoping Zhu
OBJECTIVE: To investigate the structural response of diaphragm and soleus of the rat after mechanical ventilation (MV), and to explore the specific mechanism of the dysfunction of both muscles. METHODS: Sixteen male Sprague-Dawley (SD) rats were randomly divided into control group and MV group, with 8 rats in each group. Rats in MV group were treated with controlled ventilation and maintained anesthesia, and those in control group were only anesthetized without MV and maintained anesthesia...
January 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28457827/ventilation-distribution-assessed-with-electrical-impedance-tomography-and-the-influence-of-tidal-volume-recruitment-and-positive-end-expiratory-pressure-in-isoflurane-anesthetized-dogs
#19
Aline M Ambrosio, Tatiana P A Carvalho-Kamakura, Keila K Ida, Barbara Varela, Felipe S R M Andrade, Lara L Facó, Denise T Fantoni
OBJECTIVE: To examine the intrapulmonary gas distribution of low and high tidal volumes (VT) and to investigate whether this is altered by an alveolar recruitment maneuver (ARM) and 5 cmH2O positive end-expiratory pressure (PEEP) during anesthesia. STUDY DESIGN: Prospective randomized clinical study. ANIMALS: Fourteen client-owned bitches weighing 26 ± 7 kg undergoing elective ovariohysterectomy. METHODS: Isoflurane-anesthetized dogs in dorsal recumbency were ventilated with 0 cmH2O PEEP and pressure-controlled ventilation by adjusting the peak inspiratory pressure (PIP) to achieve a low (7 mL kg(-1); n = 7) or a high (12 mL kg(-1); n = 7) VT...
January 11, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28454590/protective-intraoperative-ventilation-with-higher-versus-lower-levels-of-positive-end-expiratory-pressure-in-obese-patients-probese-study-protocol-for-a-randomized-controlled-trial
#20
T Bluth, R Teichmann, T Kiss, I Bobek, J Canet, G Cinnella, L De Baerdemaeker, C Gregoretti, G Hedenstierna, S N Hemmes, M Hiesmayr, M W Hollmann, S Jaber, J G Laffey, M J Licker, K Markstaller, I Matot, G Müller, G H Mills, J P Mulier, C Putensen, R Rossaint, J Schmitt, M Senturk, A Serpa Neto, P Severgnini, J Sprung, M F Vidal Melo, H Wrigge, M J Schultz, P Pelosi, M Gama de Abreu
BACKGROUND: Postoperative pulmonary complications (PPCs) increase the morbidity and mortality of surgery in obese patients. High levels of positive end-expiratory pressure (PEEP) with lung recruitment maneuvers may improve intraoperative respiratory function, but they can also compromise hemodynamics, and the effects on PPCs are uncertain. We hypothesized that intraoperative mechanical ventilation using high PEEP with periodic recruitment maneuvers, as compared with low PEEP without recruitment maneuvers, prevents PPCs in obese patients...
April 28, 2017: Trials
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