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https://www.readbyqxmd.com/read/28323670/prevention-of-respiratory-complications-of-the-surgical-patient-actionable-plan-for-continued-process-improvement
#1
Katarina J Ruscic, Stephanie D Grabitz, Maíra I Rudolph, Matthias Eikermann
PURPOSE OF REVIEW: Postoperative respiratory complications (PRCs) increase hospitalization time, 30-day mortality and costs by up to $35 000. These outcomes measures have gained prominence as bundled payments have become more common. RECENT FINDINGS: Results of recent quantitative effectiveness studies and clinical trials provide a framework that helps develop center-specific treatment guidelines, tailored to minimize the risk of PRCs. The implementation of those protocols should be guided by a local, respected, and visible facilitator who leads proper implementation while inviting center-specific input from surgeons, anesthesiologists, and other perioperative stakeholders...
March 20, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28315940/a-multi-faceted-strategy-to-reduce-ventilation-associated-mortality-in-brain-injured-patients-the-bi-vili-project-a-nationwide-quality-improvement-project
#2
Karim Asehnoune, Ségolène Mrozek, Pierre François Perrigault, Philippe Seguin, Claire Dahyot-Fizelier, Sigismond Lasocki, Anne Pujol, Mathieu Martin, Russel Chabanne, Laurent Muller, Jean Luc Hanouz, Emmanuelle Hammad, Bertrand Rozec, Thomas Kerforne, Carole Ichai, Raphael Cinotti, Thomas Geeraerts, Djillali Elaroussi, Paolo Pelosi, Samir Jaber, Marie Dalichampt, Fanny Feuillet, Véronique Sebille, Antoine Roquilly
PURPOSE: We assessed outcomes in brain-injured patients after implementation of a multi-faceted approach to reduce respiratory complications in intensive care units. METHODS: Prospective nationwide before-after trial. Consecutive adults with acute brain injury requiring mechanical ventilation for ≥24 h in 20 French intensive care units (ICUs) were included. The management of invasive ventilation in brain-injured patients admitted between 1 July 2013 and 31 October 2013 (4 months) was monitored and analysed...
March 18, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28315041/positive-pressure-ventilation-in-a-patient-with-a-right-upper-lobar-bronchocutaneous-fistula-right-upper-bronchus-occlusion-using-the-cuff-of-a-left-sided-double-lumen-endobronchial-tube
#3
Chieko Omori, Hiroaki Toyama, Yusuke Takei, Yutaka Ejima, Masanori Yamauchi
In patients with a bronchocutaneous fistula, positive pressure ventilation leads to air leakage and potential hypoxemia. A male patient with a right upper bronchocutaneous fistula was scheduled for esophageal reconstruction. His preoperative chest computed tomography image revealed aeration in the right middle and lower lobe, a large bulla in the left upper lobe, and pleural effusion and pneumonia in the left lower lobe. Therefore, left one-lung ventilation was considered to result in hypoxemia. Before anesthesia induction, the bronchocutaneous fistula was covered with gauze and film to prevent air leakage...
March 17, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28306591/ventilation-with-high-versus-low-peep-levels-during-general-anaesthesia-for-open-abdominal-surgery-does-not-affect-postoperative-spirometry-a-randomised-clinical-trial
#4
Tanja A Treschan, Maximilian Schaefer, Johann Kemper, Bea Bastin, Peter Kienbaum, Benedikt Pannen, Sabrine N Hemmes, Marcelo G de Abreu, Paolo Pelosi, Marcus J Schultz
BACKGROUND: Invasive mechanical ventilation during general anaesthesia for surgery typically causes atelectasis and impairs postoperative lung function. OBJECTIVE: We investigated the effect of intraoperative ventilation with high positive end-expiratory pressure (PEEP) and recruitment manoeuvres (RMs) on postoperative spirometry. DESIGN: This was a preplanned, single-centre substudy of an international multicentre randomised controlled trial, the PROVHILO trial...
March 16, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28306327/fifty-years-of-research-in-ards-respiratory-mechanics-in-acute-respiratory-distress-syndrome
#5
William R Henderson, Lu Chen, Marcelo B P Amato, Laurent J Brochard
Acute respiratory distress syndrome is a multifactorial lung injury that continues to be associated with high levels of morbidity and mortality. Mechanical ventilation, while lifesaving, is associated with new iatrogenic injury. Current best practice involves the use of small tidal volumes, low plateau and driving pressures, and high levels of positive end expiratory pressure. Collectively, these interventions are termed "lung protective ventilation". Recent investigations suggest that individualized measurements of pulmonary mechanical variables rather than population based ventilation prescriptions may be used to set the ventilator with the potential to improve outcomes beyond those achieved with standard lung protective ventilation...
March 17, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28294957/regional-ventilation-redistribution-measured-by-electrical-impedance-tomography-during-spontaneous-breathing-trial-with-automatic-tube-compensation
#6
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/28292482/cost-savings-from-reduced-hospitalizations-with-use-of-home-noninvasive-ventilation-for-copd
#7
Steven Coughlin, Fred W Peyerl, Sibyl H Munson, Aditi J Ravindranath, Teofilo L Lee-Chiong
BACKGROUND: Although evidence suggests significant clinical benefits of home noninvasive ventilation (NIV) for management of severe chronic obstructive pulmonary disease (COPD), economic analyses supporting the use of this technology are lacking. OBJECTIVES: To evaluate the economic impact of adopting home NIV, as part of a multifaceted intervention program, for severe COPD. METHODS: An economic model was developed to calculate savings associated with the use of Advanced NIV (averaged volume assured pressure support with autoexpiratory positive airway pressure; Trilogy100, Philips Respironics, Inc...
March 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28288605/switch-of-noninvasive-ventilation-niv-to-continuous-positive-airway-pressure-cpap-in-patients-with-obesity-hypoventilation-syndrome-a-pilot-study
#8
Sarah Orfanos, Dany Jaffuel, Christophe Perrin, Nicolas Molinari, Pascal Chanez, Alain Palot
BACKGROUND: Obesity is a major worldwide public health issue. The main respiratory complication stemming from obesity is obesity hypoventilation syndrome (OHS). Most of the OHS patients diagnosed during an exacerbation are treated with non invasive ventilation (NIV). Up to date, no prospective study has demonstrated in real life conditions the feasibility of a systematic protocoled switch of NIV to continuous positive airway pressure (CPAP), once stability is achieved. METHODS: In this prospective study, we included stable patients with OHS, with moderate to severe concomitant obstructive sleep apnea (OSA) and without obstructive pulmonary disease, who had been undergoing NIV for more than 2 months...
March 14, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28286808/effect-of-positive-end-expiratory-pressure-on-central-venous-pressure-in-patients-under-mechanical-ventilation
#9
Majid Shojaee, Anita Sabzghabaei, Hossein Alimohammadi, Hojjat Derakhshanfar, Afshin Amini, Bahareh Esmailzadeh
INTRODUCTION: Finding the probable governing pattern of PEEP and CVP changes is an area of interest for in-charge physicians and researchers. Therefore, the present study was designed with the aim of evaluating the relationship between the mentioned pressures. METHODS: In this quasi-experimental study, patients under mechanical ventilation were evaluated with the aim of assessing the effect of PEEP change on CVP. Non-trauma patients, over 18 years of age, who were under mechanical ventilation and had stable hemodynamics, with inserted CV line were entered...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28284294/optimal-strategies-for-severe-acute-respiratory-distress-syndrome
#10
REVIEW
Jeremy W Cannon, Jacob T Gutsche, Daniel Brodie
Acute respiratory distress syndrome (ARDS) occurs in more than 10% of intensive care unit admissions and in nearly 25% of ventilated patients. Mortality remains high at 40%, and, for patients who survive, recovery continues for months or even years. Early recognition and minimizing further lung injury remain essential to successful management of severe ARDS. Advanced treatment strategies, which complement lung protective ventilation, include short-term neuromuscular blockade, prone positioning, and extracorporeal membrane oxygenation...
April 2017: Critical Care Clinics
https://www.readbyqxmd.com/read/28277372/one-hit-models-of-ventilator-induced-lung-injury-benign-inflammation-versus-inflammation-as-a-by-product
#11
Dennis Lex, Stefan Uhlig
BACKGROUND: One important explanation for the detrimental effects of conventional mechanical ventilation is the biotrauma hypothesis that ventilation may trigger proinflammatory responses that subsequently cause lung injury. This hypothesis has frequently been studied in so-called one-hit models (overventilation of healthy lungs) that so far have failed to establish an unequivocal link between inflammation and hypoxemic lung failure. This study was designed to develop a one-hit biotrauma model...
March 9, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28274150/biochemical-and-clinical-predictors-of-hypoxic-ischemic-encephalopathy-after-perinatal-asphyxia
#12
Rebekka Jones, Axel Heep, David Odd
OBJECTIVE: To determine the usefulness of measures, available shortly after birth, as predictors of hypoxic-ischemic encephalopathy (HIE) following perinatal asphyxia. PATIENTS: All inborn patients at Southmead Hospital between January 2012 and March 2014 at ≥36 weeks gestation with a pH <7 or BE >16 on cord or baby's blood within one hour of birth or 10-minute Apgar score ≤5 or requiring intermittent positive pressure ventilation at 10 minutes were eligible for inclusion...
March 8, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28272226/different-characteristics-of-ventilator-application-between-tracheostomy-and-noninvasive-positive-pressure-ventilation-patients-with-amyotrophic-lateral-sclerosis
#13
Donghwi Park, Goo Joo Lee, Ha Young Kim, Ju Seok Ryu
The aim of the study was to investigate the appropriate home ventilator settings for patients with amyotrophic lateral sclerosis (ALS).In total, 71 patients with ALS, who had received either a noninvasive positive pressure ventilation (NIPPV) or tracheostomy positive pressure ventilation (TPPV), were included. Accordingly, patients were divided into 2 groups (the TPPV and NIPPV groups). We retrospectively evaluated the values used in home ventilators for patients with ALS, who had maintained a stable level of CO2 on both the arterial blood gas analysis (ABGA) and transcutaneous blood gas monitoring...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28270888/how-mechanical-ventilation-measurement-cutoff-and-duration-affect-rapid-shallow-breathing-index-accuracy-a-randomized-trial
#14
Elaine Cristina Goncalves, Alessandra Fabiane Lago, Elaine Caetano Silva, Marcelo Barros de Almeida, Anibal Basile-Filho, Ada Clarice Gastaldi
BACKGROUND: Decreased accuracy of the rapid shallow breathing index (RSBI) can stem from 1) the method used to obtain this index, 2) duration of mechanical ventilation (MV), and 3) the established cutoff point. The objective was to evaluate the values of RSBI determined by three different methods, using distinct MV times and cutoff points. METHODS: This prospective study included 40 subjects. Before extubation, three different methods were employed to measure RSBI: pressure support ventilator (PSV) (PSV = 5 - 8 cm H2O; positive end-expiratory pressure (PEEP) = 5 cm H2O) (RSBI_MIN), automatic tube compensation (ATC) (PSV = 0, PEEP = 5 cm H2O, and 100% tube compensation) (RSBI_ATC), and disconnected MV (RSBI_SP)...
April 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28270737/comparison-of-comfort-and-effectiveness-of-total-face-mask-and-oronasal-mask-in-noninvasive-positive-pressure-ventilation-in-patients-with-acute-respiratory-failure-a-clinical-trial
#15
Somayeh Sadeghi, Atefeh Fakharian, Peiman Nasri, Arda Kiani
Background. There is a growing controversy about the use of oronasal masks (ONM) or total facemask (TFM) in noninvasive positive pressure ventilation (NPPV), so we designed a trial to compare the uses of these two masks in terms of effectiveness and comfort. Methods. Between February and November 2014, a total of 48 patients with respiratory failure were studied. Patients were randomized to receive NPPV via ONM or TFM. Data were recorded at 60 minutes and six and 24 hours after intervention. Patient comfort was assessed using a questionnaire...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28268885/an-object-oriented-model-of-the-cardiopulmonary-system-with-emphasis-on-the-gravity-effect
#16
Chuong Ngo, Silvia Briones Herranz, Berno Misgeld, Thomas Vollmer, Steffen Leonhardt
We introduce a novel comprehensive model of the cardiopulmonary system with emphasis on perfusion and ventilation distribution along the vertical thorax axis under the gravity effect. By using an object-oriented environment, the complex physiological system can be represented by a network of electrical, lumped-element compartments. The lungs are divided into three zones: upper, middle, and lower zone. Blood flow increases with the distance from the apex to the base of the lungs. The upper zone is characterized by a complete collapse of the pulmonary capillary vasculature; thus, there is no flow in this zone...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268882/noninvasive-estimation-of-alveolar-pressure
#17
Francesco Vicario, Roberto Buizza, William A Truschel, Nicolas W Chbat
This paper presents an algorithm for noninvasive estimation of alveolar pressure in mechanically ventilated patients who are spontaneously breathing. Continual monitoring of alveolar pressure is desirable to prevent ventilator-induced lung injury and to assess the intrinsic positive end-expiratory pressure (PEEPi), which is a parameter of clinical relevance in respiratory care and difficult to measure noninvasively. The algorithm is based on a physiological model of the respiratory system and, as such, it also provides insight into the respiratory mechanics of the patient under mechanical ventilation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268159/protective-lung-strategies-a-cross-sectional-survey-of-nurses-knowledge-and-use-in-the-emergency-department
#18
Sarah Cornish, Rochelle Wynne, Sharon Klim, Anne-Maree Kelly
BACKGROUND: Mechanical ventilation (MV) is commonly used in emergency departments (EDs). Protective lung strategies (PLS), comprising of low tidal volume (6mL/kg), control of oxygen and plateau pressures, and administration of positive end expiratory pressure (PEEP) has been shown to reduces the risks associated with MV but there is little evidence exists about nurses' knowledge or application of PLS. Our aim was to explore nurses knowledge and application of PLS in Australian EDs. METHODS: Descriptive, exploratory design utilising an online questionnaire...
March 3, 2017: Australasian Emergency Nursing Journal: AENJ
https://www.readbyqxmd.com/read/28261294/influence-of-intraoperative-positive-end-expiratory-pressure-level-on-pulmonary-complications-in-emergency-major-trauma-surgery
#19
Thomas Stueber, Jan Karsten, Nikolas Voigt, Michaela Wilhelmi
INTRODUCTION: Pulmonary complications have a major impact on the morbidity and mortality of critically ill patients with multiple trauma. Intraoperative protective ventilation with low tidal volume may prevent lung injury and infection, whereas the role of positive end-expiratory pressure (PEEP) levels is unclear. The aim of this study was to evaluate the influence of different intraoperative PEEP levels on incidence of pulmonary complications after emergency trauma surgery. MATERIAL AND METHODS: We retrospectively analysed data of multiple trauma patients who underwent emergency surgery within 24 h after injury in our level I trauma centre (n = 86)...
March 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28259481/lung-protective-ventilation-initiated-in-the-emergency-department-lov-ed-a%C3%A2-quasi-experimental-before-after-trial
#20
Brian M Fuller, Ian T Ferguson, Nicholas M Mohr, Anne M Drewry, Christopher Palmer, Brian T Wessman, Enyo Ablordeppey, Jacob Keeperman, Robert J Stephens, Cristopher C Briscoe, Angelina A Kolomiets, Richard S Hotchkiss, Marin H Kollef
STUDY OBJECTIVE: We evaluated the efficacy of an emergency department (ED)-based lung-protective mechanical ventilation protocol for the prevention of pulmonary complications. METHODS: This was a quasi-experimental, before-after study that consisted of a preintervention period, a run-in period of approximately 6 months, and a prospective intervention period. The intervention was a multifaceted ED-based mechanical ventilator protocol targeting lung-protective tidal volume, appropriate setting of positive end-expiratory pressure, rapid oxygen weaning, and head-of-bed elevation...
March 1, 2017: Annals of Emergency Medicine
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