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Mask ventilation

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https://www.readbyqxmd.com/read/28741716/influence-of-lateral-position-and-pneumoperitoneum-on-oropharyngeal-leak-pressure-with-two-types-of-laryngeal-mask-airways
#1
S Lan, Y Zhou, J T Li, Z Z Zhao, Y Liu
BACKGROUND: An important parameter to monitor adequate ventilation for laryngeal mask airway (LMA) is its oropharyngeal leak pressure (OLP). This study was designed to evaluate and compare the effect of lateral position and pneumoperitoneum on the OLP and ventilation efficiency between LMA™ Proseal (PLMA) and LMA™ Supreme (SLMA). METHODS: Patients were randomized to receive either the PLMA or the SMLA. The OLP was assessed in both the supine position and the lateral position with or without pneumoperitoneum...
July 25, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/28737194/-face-protective-patches-do-not-reduce-facial-pressure-ulcers-in-a-simulated-model-of-non-invasive-ventilation
#2
Hugo Riquelme M, David Wood V, Santiago Martínez F, Fernando Carmona M, Axel Peña V, Adriana Wegner A
Noninvasive ventilation (NIV) frequently involves the development of facial pressure ulcers (FPU). Its prevention considers the empirical use of protective patches between skin and mask, in order to reduce the pressure exerted by it. OBJECTIVES: To evaluate the effect of protective patches on the pressure exerted by the facial mask, and its impact on the programmed ventilatory parameters. METHOD: Bilevel NIV simulated model using full face mask in phantom with a physiological airway (ALS PRO +) in supine position...
June 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28734823/evaluation-of-early-administration-of-simvastatin-in-the-prevention-and-treatment-of-delirium-in-critically-ill-patients-undergoing-mechanical-ventilation-modus-a-randomised-double-blind-placebo-controlled-trial
#3
Valerie J Page, Annalisa Casarin, E Wesley Ely, Xiao Bei Zhao, Cliona McDowell, Lynn Murphy, Daniel F McAuley
BACKGROUND: Delirium in critically ill patients is associated with poor clinical outcomes. Neuroinflammation might be an important mechanism in the pathogenesis of delirium, and since simvastatin has anti-inflammatory properties it might reduce delirium. We aimed to establish whether early treatment with simvastatin would decrease the time that survivors of critical illness spent in delirium or coma. METHODS: We undertook this randomised, double-blind, placebo-controlled trial in a general adult intensive care unit (ICU) in Watford General Hospital (Watford, UK)...
July 19, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28727896/proseal-versus-classic-laryngeal-mask-airway-lma-for-positive-pressure-ventilation-in-adults-undergoing-elective-surgery
#4
REVIEW
Muhammad Qamarul Hoda, Khalid Samad, Hameed Ullah
BACKGROUND: The development of supraglottic airway devices has revolutionized airway management during general anaesthesia. Two devices are widely used in clinical practice to facilitate positive pressure ventilation: the ProSeal laryngeal mask airway (pLMA) and the Classic laryngeal mask airway (cLMA). It is not clear whether these devices have important clinical differences in terms of efficacy or complications. OBJECTIVES: To compare the effectiveness of the ProSeal laryngeal mask airway (pLMA) and the Classic LMA (cLMA) for positive pressure ventilation in adults undergoing elective surgery...
July 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28726790/improvements-in-the-delivery-of-resuscitation-and-newborn-care-after-helping-babies-breathe-training
#5
B D Kamath-Rayne, S Josyula, A R L Rule, J C Vasquez
BACKGROUND: To evaluate changes in neonatal resuscitation and postnatal care following Helping Babies Breathe (HBB) training at a community hospital in rural Honduras. We hypothesized that HBB training would improve resuscitation and essential newborn care interventions. METHODS: Direct observation and video recording of delivery room care spanned before and after an initial HBB workshop held in August 2013. Rates of essential newborn care interventions were compared in resuscitations performed by individuals who had and had not received HBB training, and run charts recording performance of newborn care practices over time were developed...
July 20, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28721033/interfaces-and-ventilator-settings-for-long-term-noninvasive-ventilation-in-copd-patients
#6
Jens Callegari, Friederike Sophie Magnet, Steven Taubner, Melanie Berger, Sarah Bettina Schwarz, Wolfram Windisch, Jan Hendrik Storre
INTRODUCTION: The establishment of high-intensity (HI) noninvasive ventilation (NIV) that targets elevated PaCO2 has led to an increase in the use of long-term NIV to treat patients with chronic hypercapnic COPD. However, the role of the ventilation interface, especially in more aggressive ventilation strategies, has not been systematically assessed. METHODS: Ventilator settings and NIV compliance were assessed in this prospective cross-sectional monocentric cohort study of COPD patients with pre-existing NIV...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28690941/a-simulation-based-quality-improvement-approach-to-improve-pediatric-resident-competency-with-required-procedures
#7
Michelle Starr, Taylor Sawyer, Maya Jones, Maneesh Batra, Heather McPhillips
INTRODUCTION: Pediatric residents report a lack of confidence and competence with procedural skills at graduation. Training programs could benefit from improved approaches to target these needs. Using the Institute for Healthcare Improvement (IHI) Model for Improvement and three Plan-Do-Study-Act (PDSA) cycles, we examined the impact of a procedure simulation boot camp on self-reported procedural confidence and competence as well as the longitudinal impacts of these sequential interventions on Accreditation Council for Graduate Medical Education (ACGME) Graduating Resident Survey (GRS) results...
June 3, 2017: Curēus
https://www.readbyqxmd.com/read/28690393/effect-on-lung-function-of-mounthpiece-ventilation-in-steinert-disease-a-case-report
#8
Anna Annunziata, Giuseppe Fiorentino, Antonio Esquinas
In patients with muscular dystrophies both muscle length tension relationship changes and muscle elasticity and plasticity are decreased, resulting in impaired inspiratory muscle function and decreased vital capacity. Furthermore, the loss of deep breathing further increases the risk of alveolar collapse, hypoventilation and atelectasias. In this case report, a stable improvement of vital capacity after treatment with mounthpiece ventilation (MPV), was observed, suggesting that not invasive ventilation (NIV) might help to maintai lung and chest wall compliance, prevent hypoventilation and atelectasias which in turn may slow down the development of the restrictive respiratory pattern...
March 2017: Acta Myologica: Myopathies and Cardiomyopathies: Official Journal of the Mediterranean Society of Myology
https://www.readbyqxmd.com/read/28683763/new-setting-of-neurally-adjusted-ventilatory-assist-for-noninvasive-ventilation-by-facial-mask-a-physiologic-study
#9
Federico Longhini, Chun Pan, Jianfeng Xie, Gianmaria Cammarota, Andrea Bruni, Eugenio Garofalo, Yi Yang, Paolo Navalesi, Haibo Qiu
BACKGROUND: Noninvasive ventilation (NIV) is generally delivered using pneumatically-triggered and cycled-off pressure support (PSP) through a mask. Neurally adjusted ventilatory assist (NAVA) is the only ventilatory mode that uses a non-pneumatic signal, i.e., diaphragm electrical activity (EAdi), to trigger and drive ventilator assistance. A specific setting to generate neurally controlled pressure support (PSN) was recently proposed for delivering NIV by helmet. We compared PSN with PSP and NAVA during NIV using a facial mask, with respect to patient comfort, gas exchange, and patient-ventilator interaction and synchrony...
July 7, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28682951/preoperatively-screened-obstructive-sleep-apnea-is-associated-with-worse-postoperative-outcomes-than-previously-diagnosed-obstructive-sleep-apnea
#10
Ana Fernandez-Bustamante, Karsten Bartels, Claudia Clavijo, Benjamin K Scott, Rachel Kacmar, Kenneth Bullard, Angela F D Moss, William Henderson, Elizabeth Juarez-Colunga, Leslie Jameson
BACKGROUND: Obstructive sleep apnea (OSA) affects up to 26% of US adults, is often undiagnosed, and increases perioperative morbidity. We hypothesized that patients screened on the day of surgery as moderate/high risk for OSA (S-OSA) present similar perioperative respiratory complications, hospital use, and mortality than patients with previously diagnosed OSA (D-OSA). Second, we hypothesized that both OSA groups have more respiratory complications than No-OSA patients. METHODS: The electronic medical database from 1 academic and 2 community hospitals was retrospectively queried to identify adults undergoing nonemergent inpatient surgery (January 1, 2012, to December 31, 2014)...
August 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28681470/spatial-fuzzy-c-means-thresholding-for-semiautomated-calculation-of-percentage-lung-ventilated-volume-from-hyperpolarized-gas-and-1-h-mri
#11
Paul J C Hughes, Felix C Horn, Guilhem J Collier, Alberto Biancardi, Helen Marshall, Jim M Wild
PURPOSE: To develop an image-processing pipeline for semiautomated (SA) and reproducible analysis of hyperpolarized gas lung ventilation and proton anatomical magnetic resonance imaging (MRI) scan pairs. To compare results from the software for total lung volume (TLV), ventilated volume (VV), and percentage lung ventilated volume (%VV) calculation to the current manual "basic" method and a K-means segmentation method. MATERIALS AND METHODS: Six patients were imaged with hyperpolarized (3) He and same-breath lung (1) H MRI at 1...
July 6, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28675548/neopuff-t-piece-resuscitator-mask-ventilation-does-mask-leak-vary-with-different-peak-inspiratory-pressures-in-a-manikin-model
#12
Rajesh Maheshwari, Mark Tracy, Murray Hinder, Audrey Wright
AIM: The aim of this study was to compare mask leak with three different peak inspiratory pressure (PIP) settings during T-piece resuscitator (TPR; Neopuff) mask ventilation on a neonatal manikin model. METHODS: Participants were neonatal unit staff members. They were instructed to provide mask ventilation with a TPR with three PIP settings (20, 30, 40 cm H2 O) chosen in a random order. Each episode was for 2 min with 2-min rest period. Flow rate and positive end-expiratory pressure (PEEP) were kept constant...
July 4, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28671972/diaphragm-a-mnemonic-to-describe-the-work-of-breathing-in-patients-with-respiratory-failure
#13
Aiman Tulaimat, William E Trick
BACKGROUND: The assessment of the work of breathing in the definitions of respiratory failure is vague and variable. OBJECTIVE: Identify a parsimonious set of signs to describe the work of breathing in hypoxemic, acutely ill patients. METHODS: We examined consecutive medical ICU patients receiving oxygen with a mask, non-invasive ventilation, or T-piece. A physician inspected each patient for 10 seconds, rated the level of respiratory distress, and then examined the patient for vital signs and 17 other physical signs...
2017: PloS One
https://www.readbyqxmd.com/read/28667196/patient-safety-during-procedural-sedation-using-capnography-monitoring-a-systematic-review-and-meta-analysis
#14
Rhodri Saunders, Michel M R F Struys, Richard F Pollock, Michael Mestek, Jenifer R Lightdale
OBJECTIVE: To evaluate the effect of capnography monitoring on sedation-related adverse events during procedural sedation and analgesia (PSA) administered for ambulatory surgery relative to visual assessment and pulse oximetry alone. DESIGN AND SETTING: Systematic literature review and random effects meta-analysis of randomised controlled trials (RCTs) reporting sedation-related adverse event incidence when adding capnography to visual assessment and pulse oximetry in patients undergoing PSA during ambulatory surgery in the hospital setting...
June 30, 2017: BMJ Open
https://www.readbyqxmd.com/read/28658814/occupation-hazards-pattern-awareness-and-preventive-measures-among-welders-from-an-unorganized-sector-in-india
#15
Nitin Joseph, Varun Venkatesh, S K Akash, Saurish Hegde, Errol Moras, Nikhilgovind P Shenoy
INTRODUCTION: Welding is an occupation associated with tremendous physical and chemical hazards. In spite of the risk involved, usage of Personal Protective Gears (PPGs) among welders in developing countries has been reported to be poor, due to their limited awareness of occupational hazards. AIM: To assess morbidity pattern, awareness of occupational hazards and usage practices of protective gears among welders. MATERIALS AND METHODS: Cross-sectional study was conducted at welding sites from unorganized sector situated in and around Mangalore...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28657971/laryngeal-mask-airway-as-a-rescue-device-for-failed-endotracheal-intubation-during-scene-to-hospital-air-transport-of-combat-casualties
#16
Itai Shavit, Eliad Aviram, Yoav Hoffmann, Oded Biton, Elon Glassberg
BACKGROUND: Advanced airway management of combat casualties during scene-to-hospital air transport is challenging. Because of the short transport time, flight physicians of the Israeli military airborne combat evacuation unit are approved for the use of a laryngeal mask airway (LMA) in the event of failed endotracheal intubation (ETI). The aim of this study was to assess the effectiveness of LMA use during scene-to-hospital transport of combat casualties in Israel. PATIENTS AND METHODS: A retrospective cohort analysis of all combat casualties treated with ETI during scene-to-hospital transport over a 3-year period was carried out...
June 27, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28655951/comparative-evaluation-of-ambu-auragain%C3%A2-with-proseal%C3%A2-laryngeal-mask-airway-in-patients-undergoing-laparoscopic-cholecystectomy
#17
Kriti Singh, Pavan Gurha
BACKGROUND AND AIMS: Second generation supraglottic airways are increasingly being used in surgical patients undergoing laparoscopic surgery. Preventing aspiration at higher airway pressures may be at the expense of a higher cuff pressure which can impair mucosal perfusion. We attempted to elucidate whether Ambu AuraGain™ (AAU) would provide a higher oropharyngeal leak pressure (OLP) with a lower mucosal pressure in comparison to ProSeal™ laryngeal mask airway (PLMA). METHODS: This was a prospective randomised study involving sixty patients undergoing laparoscopic cholecystectomy under general anaesthesia, using either AAU (Group AAU [n = 30]) or PLMA (Group PLMA [n = 30]) for elective ventilation...
June 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28655086/-clinical-study-of-smt-%C3%A2-video-laryngoscope-with-difficult-airway-intubation-in-emergency-department
#18
J H Yu, Y Wang
Objective: To observe the clinical feasibility and security of SMT-Ⅱ video laryngoscope in difficult airway intubation in emergency department. Methods: This study took 90 adults with difficult airway who were admitted to the rescue room of Jingxi court of Beijing Chao-Yang Hospital, Capital Medical University from January 2015 to December 2016.The patients were randomly divided into 2 groups(SMT-Ⅱ video laryngoscope group: n=45, Macintosh direct laryngoscope group: n=45), which were treated with endotracheal intubation and ventilator assisted ventilation...
July 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28627036/validation-of-masks-for-determination-of-v%C3%AC-o2-max-in-horses-exercising-at-high-intensity
#19
R H Sides, R Kirkpatrick, E Renner, K Gough, L M Katz, D L Evans, W M Bayly
BACKGROUND: The need for a horse to be ridden while wearing a measurement device that allows unrestricted ventilation and gas exchange has hampered accurate measurement of its maximal oxygen consumption (V̇O2 max) under field conditions. OBJECTIVES: Design and validate a facemask with the potential to accurately measure V̇O2 max in the field. STUDY DESIGN: Experiment with 6 x 6 Latin square design. METHODS: Two variations of a mask and associated electronic control module (ECM) were designed to enable breath-by-breath measurement of airflows through two 7...
June 19, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28623500/contribution-of-the-nasal-passage-to-face-mask-ventilation-a-prospective-blinded-randomized-crossover-trial
#20
Tomoki Yamasaki, Nobuyasu Komasawa, Haruki Kido, Toshiaki Minami
BACKGROUND: Previous studies have shown that the nasal passage plays an important role in manual face mask ventilation, but this has yet to be quantitatively assessed. We conducted a prospective randomized crossover clinical trial to compare the change in pressure-controlled face mask tidal volume with and without nasal airway occlusion. METHOD: Female patients undergoing elective surgery under general anesthesia served as study subjects. Patients were randomly assigned to face mask ventilation beginning either with or without nasal passage occlusion (achieved with a swimmer's nose clip), followed by removal or application of the nose clip, respectively...
June 16, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
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