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https://www.readbyqxmd.com/read/28298784/ventilation-of-nonparalyzed-patients-under-anesthesia-with-laryngeal-mask-airway-comparison-of-three-modes-of-ventilation-volume-controlled-ventilation-pressure-controlled-ventilation-and-pressure-controlled-ventilation-volume-guarantee
#1
Maroun Badwi Ghabach, Elie M El Hajj, Rouba D El Dib, Jeanette M Rkaiby, May S Matta, May R Helou
BACKGROUND: Pressure controlled ventilation (PCV) is the preferable mode of ventilation of nonparalyzed patients undergoing anesthesia with laryngeal mask airway (LMA) as compared to volume controlled ventilation (VCV) and spontaneously breathing patient. In this study, we compared the PC-volume guarantee (PC-VG) mode of ventilation with VCV and PCV modes. MATERIALS AND METHODS: A total of 30 patients, American Society of Anesthesiologists (ASA) physical status Classes I and II, scheduled for elective surgery under general anesthesia with a classic LMA were ventilated, subsequently, with the three modes of ventilation: VCV, PCV, and PC-VG for 10 min each mode...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28296682/causes-and-characteristics-of-death-in-intensive-care-units-a-prospective-multicenter-study
#2
Jean-Christophe Orban, Yannick Walrave, Nicolas Mongardon, Bernard Allaouchiche, Laurent Argaud, Frédéric Aubrun, Geneviève Barjon, Jean-Michel Constantin, Gilles Dhonneur, Jacques Durand-Gasselin, Hervé Dupont, Michèle Genestal, Chloé Goguey, Philippe Goutorbe, Bertrand Guidet, Hervé Hyvernat, Samir Jaber, Jean-Yves Lefrant, Yannick Mallédant, Jerôme Morel, Alexandre Ouattara, Nicolas Pichon, Anne-Marie Guérin Robardey, Michel Sirodot, Alexandre Theissen, Sandrine Wiramus, Laurent Zieleskiewicz, Marc Leone, Carole Ichai
BACKGROUND: Different modes of death are described in selected populations, but few data report the characteristics of death in a general intensive care unit population. This study analyzed the causes and characteristics of death of critically ill patients and compared anticipated death patients to unexpected death counterparts. METHODS: An observational multicenter cohort study was performed in 96 intensive care units. During 1 yr, each intensive care unit was randomized to participate during a 1-month period...
March 15, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28294957/regional-ventilation-redistribution-measured-by-electrical-impedance-tomography-during-spontaneous-breathing-trial-with-automatic-tube-compensation
#3
Yeong-Long Hsu, Ai-Jia Tien, Mei-Yun Chang, Hao-Tai Chang, Knut Moeller, Inez Frerichs, Zhanqi Zhao
Automatic tube compensation (ATC) was developed to overcome the flow resistance of endotracheal tube and decrease the imposed work of breathing. Although ATC is used as an evidence-based strategy to predict successful weaning from assisted ventilation, the changes in regional ventilation distribution induced by this technique are not known. We hypothesized that continuous positive airway pressure plus ATC (CPAP+100%ATC) could reactivate the respiratory muscles in patients with prolonged mechanical ventilation (PMV) more effectively than volume assist-control mandatory ventilation (ACMV)...
March 15, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28284296/oxygen-therapeutics-and-mechanical-ventilation-advances
#4
REVIEW
Brian Weiss, Lewis J Kaplan
Advances in intensive care unit (ICU) therapeutics are plentiful and rooted in technological enhancements as well as recognition of patient care priorities. A plethora of new devices and modes are available for use to enhance patient safety and support liberation from mechanical ventilation while preserving oxygenation and carbon dioxide clearance. Increased penetrance of closed loop systems is one means to reduce care variation in appropriate populations. The intelligent design of the ICU space needs to integrate the footprint of that device and the data streaming from it into a coherent whole that supports patient, family, and caregivers...
April 2017: Critical Care Clinics
https://www.readbyqxmd.com/read/28273238/evaluation-of-self-perception-of-mechanical-ventilation-knowledge-among-brazilian-final-year-medical-students-residents-and-emergency-physicians
#5
Fernando Sabia Tallo, Simone de Campos Vieira Abib, Alexandre Jorgi de Andrade Negri, Paulo Cesar, Renato Delascio Lopes, Antônio Carlos Lopes
OBJECTIVE: To present self-assessments of knowledge about mechanical ventilation made by final-year medical students, residents, and physicians taking qualifying courses at the Brazilian Society of Internal Medicine who work in urgent and emergency settings. METHODS: A 34-item questionnaire comprising different areas of knowledge and training in mechanical ventilation was given to 806 medical students, residents, and participants in qualifying courses at 11 medical schools in Brazil...
February 1, 2017: Clinics
https://www.readbyqxmd.com/read/28270167/sedation-and-analgesia-practices-at-italian-neonatal-intensive-care-units-results-from-the-europain-study
#6
Paola Lago, Anna Chiara Frigo, Eugenio Baraldi, Roberta Pozzato, Emilie Courtois, Jérôme Rambaud, Kanwaljeet J S Anand, Ricardo Carbajal
BACKGROUND: We aimed to examine current bedside analgesia/sedation (A/S) and pain assessment (PA) practices in Italian neonatal intensive care units (NICUs) in relation to the findings of an epidemiological European study and recently-introduced national guidelines. METHODS: We analyzed the Italian data from the EUROPAIN (EUROpean-Pain-Audit-In-Neonates) prospective observational study on A/S practices that involved 6680 newborns admitted to tertiary-level NICUs in 18 European countries...
March 7, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28269235/patient-emulator-a-tool-for-testing-mechanical-ventilation-therapies
#7
Nikolaos Karamolegkos, Antonio Albanese, Fernando Isaza, Nicolas W Chbat
Several modes of mechanical ventilation are clinically available. The differences among them in terms of efficacy and patient outcomes are not clear yet. Testing and comparison of mechanical ventilation modes via human or animal trials is a very challenging and costly process. In this paper, we present the patient emulator (PE), a novel system that can be used as a platform for in-silico testing of mechanical ventilation therapies. The system is based on a large-scale integrated mathematical model of the human cardiopulmonary system interfaced with a physical ventilator via a controlled piston-cylinder actuator...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267272/effect-of-ventilator-mode-on-patient-ventilator-synchrony-and-work-of-breathing-in-neonatal-pigs
#8
Shayna M Wood, Tracy L Thurman, Shirley J Holt, Shasha Bai, Mark J Heulitt, Sherry E Courtney
BACKGROUND: Patient-ventilator asynchrony can result in increased work of breathing (WOB) and need for increased sedation, as well as respiratory muscle fatigue and prolonged mechanical ventilation. Different ventilator modes may result in varying degrees of asynchrony and WOB. OBJECTIVE: The objectives of this study were to assess the incidence of asynchrony and the effect of asynchrony on WOB in three modes of ventilation: pressure regulated volume control (PRVC), synchronized intermittent mandatory ventilation/volume control plus pressure support (SIMV/VC plus PS), and SIMV/PRVC plus PS...
March 7, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28260850/the-role-of-serum-apelin-in-retinopathy-of-prematurity
#9
Yasser F Ali, Salah El-Morshedy, Abdulbasit Abdulhalim Imam, Nasser Ismai A Abdelrahman, Riad M Elsayed, Usama M Alkholy, Nermin Abdalmonem, Mohammed M Shehab
OBJECTIVE: To evaluate the role of serum apelin as a diagnostic tool in retinopathy of prematurity (ROP) disease. PATIENTS AND METHODS: Thirty-eight preterm infants (60% male) with gestational age ranging from 30 to 36 weeks admitted to the neonatal intensive care unit, KJO Hospital, Saudi Arabia with proven diagnosis of ROP were included in the study. In addition, 27 preterm infants without ROP served as controls. All newborn infants in the study were subjected to adequate history taking, full clinical examination, and fundus examination by indirect ophthalmoscope (at 4-6 weeks) as well as determination of serum apelin at birth and at 4-6 weeks of age...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28252534/extracorporeal-membrane-oxygenation-for-adult-community-acquired-pneumonia-outcomes-and-predictors-of-mortality
#10
Kollengode Ramanathan, Chuen Seng Tan, Peter Rycus, Graeme Maclaren
OBJECTIVES: Extracorporeal membrane oxygenation is a rescue therapy used to support severe cardiorespiratory failure. Data on outcomes from severe community-acquired pneumonia in adults receiving rescue extracorporeal membrane oxygenation are mainly confined to single-center experiences or specific pathogens. We examined data from the Extracorporeal Life Support Organisation registry to identify risk factors for poor outcomes in adult patients with community-acquired pneumonia. DESIGN: Retrospective data analysis...
March 1, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28227468/patient-emulator-a-tool-for-testing-mechanical-ventilation-therapies
#11
Nikolaos Karamolegkos, Antonio Albanese, Fernando Isaza, Nicolas W Chbat, Nikolaos Karamolegkos, Antonio Albanese, Fernando Isaza, Nicolas W Chbat, Nikolaos Karamolegkos, Antonio Albanese, Nicolas W Chbat, Fernando Isaza
Several modes of mechanical ventilation are clinically available. The differences among them in terms of efficacy and patient outcomes are not clear yet. Testing and comparison of mechanical ventilation modes via human or animal trials is a very challenging and costly process. In this paper, we present the patient emulator (PE), a novel system that can be used as a platform for in-silico testing of mechanical ventilation therapies. The system is based on a large-scale integrated mathematical model of the human cardiopulmonary system interfaced with a physical ventilator via a controlled piston-cylinder actuator...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28219811/stress-echocardiography-in-patients-who-experienced-mechanical-ventilation-weaning-failure
#12
Manuel Ruiz-Bailén, Jesús Cobo-Molinos, Ana Castillo-Rivera, María Dolores Pola-Gallego-de-Guzmán, Antonio Cárdenas-Cruz, Antonio Martínez-Amat, María Sevilla-Martínez, Clara Hernández-Caballero
INTRODUCTION: Critically ill patients may suffer varying degrees of temporary myocardial dysfunction during respiratory weaning that could play an important role in weaning failure. OBJECTIVES: In this study, we tried to assess the existence of temporary diastolic dysfunction during respiratory weaning. METHODS: Inclusion period is from 2006 to 2015. In this study, we included 181 ventilated patients with cardiogenic shock that were being weaned from mechanical ventilation...
January 18, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28216699/comparison-of-volume-controlled-ventilation-and-pressure-controlled-ventilation-in-patients-undergoing-robot-assisted-pelvic-surgeries-an-open-label-trial
#13
Rishabh Jaju, Pooja Bihani Jaju, Mamta Dubey, Sadik Mohammad, A K Bhargava
BACKGROUND AND AIMS: Although volume controlled ventilation (VCV) has been the traditional mode of ventilation in robotic surgery, recently pressure controlled ventilation (PCV) has been used more frequently. However, evidence on whether PCV is superior to VCV is still lacking. We intended to compare the effects of VCV and PCV on respiratory mechanics and haemodynamic in patients undergoing robotic surgeries in steep Trendelenburg position. METHODS: This prospective, randomized trial was conducted on sixty patients between 20 and 70 years belonging to the American Society of Anesthesiologist Physical Status I-II...
January 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28215812/indoor-air-pollutants-ventilation-rate-determinants-and-potential-control-strategies-in-chinese-dwellings-a-literature-review
#14
Wei Ye, Xu Zhang, Jun Gao, Guangyu Cao, Xiang Zhou, Xing Su
After nearly twenty years of rapid modernization and urbanization in China, huge achievements have transformed the daily lives of the Chinese people. However, unprecedented environmental consequences in both indoor and outdoor environments have accompanied this progress and have triggered public awareness and demands for improved living standards, especially in residential environments. Indoor pollution data measured for >7000 dwellings (approximately 1/3 were newly decorated and were tested for volatile organic compound (VOC) measurements, while the rest were tested for particles, phthalates and other semi-volatile organic compounds (SVOCs), moisture/mold, inorganic gases and radon) in China within the last ten years were reviewed, summarized and compared with indoor concentration recommendations based on sensory or health end-points...
May 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28212050/volume-controlled-ventilation-does-not-prevent-injurious-inflation-during-spontaneous-effort
#15
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/28208980/contributing-factors-for-morbidity-and-mortality-in-patients-with-organophosphate-poisoning-on-mechanical-ventilation-a-retrospective-study-in-a-teaching-hospital
#16
Gurulingappa Patil, Navya Murthy, M Nikhil
INTRODUCTION: One of the most common causes of poisoning in agricultural based developing countries like India is due to Organophosphorus (OP) compound. Its widespread use and easy availability has increased the likelihood of poisoning with these compounds. AIM: To study the morbidity and mortality in patients with acute OP poisoning requiring mechanical ventilation. MATERIALS AND METHODS: This was a retrospective study constituting patients of all age groups admitted to the Intensive Care Unit (ICU) with diagnosis of OP poisoning between January 2015 to December 2015...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28196936/influences-of-duration-of-inspiratory-effort-respiratory-mechanics-and-ventilator-type-on-asynchrony-with-pressure-support-and-proportional-assist-ventilation
#17
Renata S Vasconcelos, Raquel P Sales, Luíz H de P Melo, Liégina S Marinho, Vasco Pd Bastos, Andréa da Nc Nogueira, Juliana C Ferreira, Marcelo A Holanda
BACKGROUND: Pressure support ventilation (PSV) is often associated with patient-ventilator asynchrony. Proportional assist ventilation (PAV) offers inspiratory assistance proportional to patient effort, minimizing patient-ventilator asynchrony. The objective of this study was to evaluate the influence of respiratory mechanics and patient effort on patient-ventilator asynchrony during PSV and PAV plus (PAV+). METHODS: We used a mechanical lung simulator and studied 3 respiratory mechanics profiles (normal, obstructive, and restrictive), with variations in the duration of inspiratory effort: 0...
February 14, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28196820/combined-use-of-neurally-adjusted-ventilatory-assist-nava-and-vertical-expandable-prostethic-titanium-rib-veptr-in-a-patient-with-spondylocostal-dysostosis-and-associated-bronchomalacia
#18
Martí Pons-Odena, Alba Verges, Natalia Arza, Francisco José Cambra
Jarcho-Levin syndrome is a rare disorder characterised by defects in vertebral and costal segmentation of varying severity. Respiratory complications are the main cause of death or severe comorbidity due to a restrictive rib cage. A 3 months old infant with Spondylocostal dysostosis and associated bronchomalacia experiencing severe asynchrony during the weaning process is reported. The Neurally Adjusted Ventilatory Assist (NAVA) mode was used to improve adaptation to mechanical ventilation after Vertical Expandable Prosthetic Titanium Ribs (VEPTRs) were implanted...
February 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28196755/characterization-of-particle-emission-from-laser-printers
#19
Mauro Scungio, Tania Vitanza, Luca Stabile, Giorgio Buonanno, Lidia Morawska
Emission of particles from laser printers in office environments is claimed to have impact on human health due to likelihood of exposure to high particle concentrations in such indoor environments. In the present paper, particle emission characteristics of 110 laser printers from different manufacturers were analyzed, and estimations of their emission rates were made on the basis of measurements of total concentrations of particles emitted by the printers placed in a chamber, as well as particle size distributions...
May 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28195072/complement-activation-contributes-to-ventilator-induced-lung-injury-in-rats
#20
B Petersen, T Busch, J Gaertner, J J Haitsma, S Krabbendam, M Ebsen, B Lachmann, U X Kaisers
The complement system contributes to ventilator induced lung injury (VILI). We hypothesized that pretreatment with the C1 esterase inhibitor (C1INH) Berinert® constrains complement activation consecutively inducing improvements in arterial oxygenation and histological pulmonary damage. At baseline, male Sprague-Dawley rats underwent mechanical ventilation in a conventional mode (PIP 13 cm H2O, PEEP 3 cm H2O). In the Control group, the ventilator setting was maintained (Control, n = 15). The other animals randomly received intravenous pretreatment with either 100 units/kg of the C1-INH Berinert® (VILI-C1INH group, n = 15) or 1 ml saline solution (VILI-C group, n = 15)...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
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