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https://www.readbyqxmd.com/read/28636155/the-use-of-transnasal-humidified-rapid-insufflation-ventilatory-exchange-thrive-in-17-cases-of-subglottic-stenosis
#1
Kim To, Fleur Harding, McNeill Scott, Pamela Milligan, Iain J Nixon, Richard Adamson, Alistair F McNarry
Shared airway management in patients with subglottic stenosis (SGS) is challenging for both the anaesthetist and surgeon. Various methods of airway management have been described but currently no gold standard exists. Jet ventilation has been described as the preferred technique despite a UK National Survey highlighting potential complications including pneumothorax, pneumomediastinum, surgical emphysema, hypoxia and death. This article is protected by copyright. All rights reserved.
June 21, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28627376/inhaled-salbutamol-dose-delivered-by-jet-nebulizer-vibrating-mesh-nebulizer-and-metered-dose-inhaler-with-spacer-during-invasive-mechanical-ventilation
#2
Muhammad E ElHansy, Marina Emad, Assem Fouad Mohamed El Essawy, Mohamed Bakry Al-Kholy, Maha M Abdelrahman, Amira S A Said, Raghda R S Hussein, Mohamed E Abdelrahim
BACKGROUND: Patient receiving invasive mechanical ventilation (IMV) may benefit from medical aerosol, but guidance on dosing with different aerosol devices is limited to in-vitro studies. The study was designed to compare aerosol delivery with five different types of aerosol generators during IMV. METHOD: In randomized design, 60 (30 female) mechanically ventilated chronic obstructive pulmonary disease (COPD) patients were assigned to one of 5 groups. Groups 1-4 received 5000 μg salbutamol using Aerogen Pro (PRO), Aerogen Solo (SOLO), NIVO vibrating mesh and jet nebulizers (JN), respectively, while group 5 received 800 μg (8 puffs) of salbutamol via metered dose inhaler with AeroChamber-MV (MDI-AC)...
June 13, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28622152/use-of-transnasal-humidified-rapid-insufflation-ventilatory-exchange-for-emergent-surgical-tracheostomy-a-case-report
#3
Neel Desai, Anna Fowler
Transnasal humidified rapid-insufflation ventilatory exchange (THRIVE) is a novel airway technique that utilizes high-flow humidified nasal oxygen. It can extend apnea time and maintain oxygen saturation. Here we report the use of THRIVE in a 35-year-old man who required emergent surgical tracheostomy for a clinically relevant compromised airway secondary to acute supraglottic and glottic pathology. Intravenous sedation resulted in hypoventilation close to apnea. THRIVE maintained oxygen saturation for 40 minutes until transient desaturation developed after complete airway obstruction...
June 15, 2017: A & A Case Reports
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/28588119/high-flow-nasal-cannula-utilization-in-pediatric-critical-care
#5
Kristen D Coletti, Dayanand N Bagdure, Linda K Walker, Kenneth E Remy, Jason W Custer
BACKGROUND: High-flow nasal cannula (HFNC) is increasingly utilized in pediatrics, delivering humidified air and oxygen for respiratory conditions causing hypoxia and distress. In the neonatal ICU, it has been associated with better tolerance, lower complications, and lower cost. Few data exist regarding indications for use and the epidemiology of disease/pathology that warrants HFNC in the pediatric ICU. METHODS: This study is a retrospective cohort study of patients admitted to a tertiary children's hospital pediatric ICU and placed on HFNC from October 1, 2011 to October 31, 2013...
June 6, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28588117/aerosol-delivery-through-adult-high-flow-nasal-cannula-with-heliox-and-oxygen
#6
Patricia A Dailey, Robert Harwood, Kyle Walsh, James B Fink, Tina Thayer, Greg Gagnon, Arzu Ari
BACKGROUND: Heliox (helium-oxygen mixture) has been shown to reduce turbulence and improve aerosol delivery in a range of clinical settings. We questioned whether heliox as compared with oxygen via high-flow nasal cannula (HFNC) would affect aerosol delivery. We hypothesized that heliox would have a significant effect on aerosol delivery as compared with oxygen with both quiet and distressed breathing patterns. METHODS: A vibrating mesh nebulizer was placed at the inlet of a humidifier via HFNC with small adult cannula distal to the heated-wire circuit with prongs placed into simulated nares with a T-shaped trap and absolute filter connected to a breath simulator set to adult quiet and distressed breathing parameters...
June 6, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28584285/oxygen-atoms-are-critical-in-rendering-thp-1-leukaemia-cells-susceptible-to-cold-physical-plasma-induced-apoptosis
#7
Sander Bekeschus, Kristian Wende, Mohamed Mokhtar Hefny, Katrin Rödder, Helena Jablonowski, Anke Schmidt, Thomas von Woedtke, Klaus-Dieter Weltmann, Jan Benedikt
Cold physical plasma has been suggested as a powerful new tool in oncology. However, some cancer cells such as THP-1 leukaemia cells have been shown to be resistant towards plasma-induced cell death, thereby serving as a good model for optimizing plasmas in order to foster pro-apoptotic anticancer effects. A helium/oxygen radio frequency driven atmospheric plasma profoundly induced apoptosis in THP-1 cells whereas helium, humidified helium, and humidified helium/oxygen plasmas were inefficient. Hydrogen peroxide - previously shown as central plasma-derived agent - did not participate in the killing reaction but our results suggest hypochlorous acid to be responsible for the effect observed...
June 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28555461/high-flow-nasal-cannulae-for-respiratory-support-in-adult-intensive-care-patients
#8
REVIEW
Amanda Corley, Claire M Rickard, Leanne M Aitken, Amy Johnston, Adrian Barnett, John F Fraser, Sharon R Lewis, Andrew F Smith
BACKGROUND: High-flow nasal cannulae (HFNC) deliver high flows of blended humidified air and oxygen via wide-bore nasal cannulae and may be useful in providing respiratory support for adult patients experiencing acute respiratory failure in the intensive care unit (ICU). OBJECTIVES: We evaluated studies that included participants 16 years of age and older who were admitted to the ICU and required treatment with HFNC. We assessed the safety and efficacy of HFNC compared with comparator interventions in terms of treatment failure, mortality, adverse events, duration of respiratory support, hospital and ICU length of stay, respiratory effects, patient-reported outcomes, and costs of treatment...
May 30, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28552074/heat-and-moisture-exchangers-hmes-and-heated-humidifiers-hhs-in-adult-critically-ill-patients-a-systematic-review-meta-analysis-and-meta-regression-of-randomized-controlled-trials
#9
Maria Vargas, Davide Chiumello, Yuda Sutherasan, Lorenzo Ball, Antonio M Esquinas, Paolo Pelosi, Giuseppe Servillo
BACKGROUND: The aims of this systematic review and meta-analysis of randomized controlled trials are to evaluate the effects of active heated humidifiers (HHs) and moisture exchangers (HMEs) in preventing artificial airway occlusion and pneumonia, and on mortality in adult critically ill patients. In addition, we planned to perform a meta-regression analysis to evaluate the relationship between the incidence of artificial airway occlusion, pneumonia and mortality and clinical features of adult critically ill patients...
May 29, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28548990/outbreaks-of-nontuberculous-mycobacteria
#10
Geeta Sood, Nikki Parrish
PURPOSE OF REVIEW: The purpose of this review is to summarize the emerging literature on nontuberculous mycobacteria outbreaks in healthcare settings. As our ability to identify mycobacterial species develops, we are better able to recognize epidemiologic connections and better understand the prevalence and importance of these outbreaks and pseudo-outbreaks in healthcare settings. RECENT FINDINGS: The number of outbreaks related to nontuberculous outbreaks is increasing because of heightened awareness and better diagnostic tests for species level identification of mycobacteria...
May 25, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28546370/pediatric-oxygen-therapy-a-review-and-update
#11
Brian K Walsh, Craig D Smallwood
Oxygen is a colorless, odorless, tasteless gas that is utilized by the body for respiration. Oxygen has played a major role in respiratory care. Oxygen therapy is useful in treating hypoxemia but is often thought of as a benign therapy. After many years of study, we have learned a great deal of the benefits and potential risk of this powerful drug. Today oxygen gas is cheap, widely available, and easy to administer. Oxygen delivery devices vary in cost from a few cents for a simple nasal cannula to $25-$50 for some humidified systems...
June 2017: Respiratory Care
https://www.readbyqxmd.com/read/28544665/humidified-high-flow-nasal-cannula-oxygen-in-bronchiolitis-reduces-need-for-invasive-ventilation-but-not-intensive-care-admission
#12
Chong Tien Goh, Lynette J Kirby, David N Schell, Jonathan R Egan
AIM: To describe the changes to paediatric intensive care unit (PICU) admission patterns and ventilation requirements for children with bronchiolitis following the introduction of humidified high-flow nasal cannula oxygen outside the PICU. METHODS: Retrospective study comparing patients <24 months of age with a discharge diagnosis of bronchiolitis admitted to the PICU. A comparison was made between those before humidified high-flow nasal cannula oxygen use (year 2008) to those immediately following the introduction of humidified high-flow nasal cannula oxygen use (year 2011) and those following further consolidation of humidified high-flow nasal cannula oxygen use outside the PICU (year 2013)...
May 23, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28512388/insufficient-humidification-of-respiratory-gases-in-patients-who-are-undergoing-therapeutic-hypothermia-at-a-paediatric-and-adult-intensive-care-unit
#13
Yukari Tanaka, Sachiko Iwata, Masahiro Kinoshita, Kennosuke Tsuda, Shoichiro Tanaka, Naoko Hara, Ryota Shindou, Eimei Harada, Ryouji Kijima, Osamu Yamaga, Hitoe Ohkuma, Kazuo Ushijima, Teruo Sakamoto, Yushiro Yamashita, Osuke Iwata
For cooled newborn infants, humidifier settings for normothermic condition provide excessive gas humidity because absolute humidity at saturation is temperature-dependent. To assess humidification of respiratory gases in patients who underwent moderate therapeutic hypothermia at a paediatric/adult intensive care unit, 6 patients were studied over 9 times. Three humidifier settings, 37-default (chamber-outlet, 37°C; Y-piece, 40°C), 33.5-theoretical (chamber-outlet, 33.5°C; Y-piece, 36.5°C), and 33.5-adjusted (optimised setting to achieve saturated vapour at 33...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28506089/long-term-oxygen-therapy-in-copd-patients-who-do-not-meet-the-actual-recommendations
#14
Begum Ergan, Stefano Nava
Chronic respiratory failure due to chronic obstructive pulmonary disease (COPD) is an increasing problem worldwide. Many patients with severe COPD develop hypoxemic respiratory failure during the natural progression of disease. Long-term oxygen therapy (LTOT) is a well-established supportive treatment for COPD and has been shown to improve survival in patients who develop chronic hypoxemic respiratory failure. The degree of hypoxemia is severe when partial pressure of oxygen in arterial blood (PaO2) is ≤55 mmHg and moderate if PaO2 is between 56 and 69 mmHg...
June 2017: COPD
https://www.readbyqxmd.com/read/28496518/cytotoxicity-of-selected-nanoparticles-on-human-dental-pulp-stem-cells
#15
Kasra Tabari, Sepanta Hosseinpour, Peter Parashos, Parisa Kardouni Khozestani, Hossein Mohammad Rahimi
INTRODUCTION: Nanoparticles are being increasingly applied in dentistry due to their antimicrobial and mechanical properties. This in vitro study aimed to assess and compare the cytotoxicity of four metal oxide nanoparticles (TiO2, SiO2, ZnO, and Al2O3) on human dental pulp stem cells. METHODS AND MATERIALS: Four suspension with different concentrations (25, 50, 75, 100 µg/mL) of each nanoparticle were prepared and placed into cavities of three 96-well plates (containing 1×10(4) cells per well that were seeded 24 earlier)...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28493047/effects-of-cpap-in-patients-with-obstructive-apnoea-is-the-presence-of-allergic-rhinitis-relevant
#16
A Cisternas, F Aguilar, J M Montserrat, M Àvila, M Torres, A Iranzo, J Berenguer, I Vilaseca
PURPOSE: The aim of the study is to compare the effects of continuous positive airway pressure (CPAP) on the nasal cavities of patients with obstructive sleep apnoea (OSA) and with or without allergic rhinitis (AR/nonAR). METHODS: This paper is a prospective, longitudinal study. Thirty-four consecutive CPAP treatment-adherent patients with OSA (17 AR and 17 nonAR) were evaluated before and 2 months after treatment, by means of clinical (otorhinolaryngological symptoms, daytime sleepiness, overall and rhinoconjunctivitis-specific quality of life), anatomical (otorhinolaryngological examination), functional (auditory function, tubal function, nasal airflow, and mucociliary clearance), and biological variables (nasal cytology)...
May 10, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/28463044/aerosol-delivery-with-two-nebulizers-through-high-flow-nasal-cannula-a-randomized-cross-over-single-photon-emission-computed-tomography-computed-tomography-study
#17
Jonathan Dugernier, Michel Hesse, Thibaud Jumetz, Emilie Bialais, Jean Roeseler, Virginie Depoortere, Jean-Bernard Michotte, Xavier Wittebole, Stephan Ehrmann, Pierre-François Laterre, François Jamar, Gregory Reychler
BACKGROUND: High-flow nasal cannula use is developing in ICUs. The aim of this study was to compare aerosol efficiency by using two nebulizers through a high-flow nasal cannula: the most commonly used jet nebulizer (JN) and a more efficient vibrating-mesh nebulizer (VN). METHODS: Aerosol delivery of diethylenetriaminepentaacetic acid labeled with technetium-99m (4 mCi/4 mL) to the lungs by using a VN (Aerogen Solo(®); Aerogen Ltd., Galway, Ireland) and a constant-output JN (Opti-Mist Plus Nebulizer(®); ConvaTec, Bridgewater, NJ) through a high-flow nasal cannula (Optiflow(®); Fisher & Paykel, New Zealand) was compared in six healthy subjects...
May 2, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28459412/-high-flow-nasal-cannula-in-patients-after-trachea-extubation
#18
Jiawei Shen, Youzhong An
Acute respiratory failure (ARF) is one primary cause of intensive care unit (ICU) admittance, which is usually treated with intubation and mechanical ventilation in order to maintain a necessary ventilation and oxygenation function. After the remove of trachea tube, available oxygenation supports include nasal cannula, venturi mask, non-invasive ventilator and high flow nasal cannula (HFNC). In this article we reviewed the physiological mechanism related to HFNC therapy and trails about the application of HFNC in extubated patients...
January 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28459407/-effect-of-bronchoalveolar-lavage-with-fiberoptic-bronchoscopy-combined-with-vibration-sputum-drainage-on-mechanically-ventilated-patients-with-severe-pneumonia-a-prospective-randomized-controlled-trial-in-286-patients
#19
Zeya Shi, Yuelan Qin, Yimin Zhu, Xiaoji Pan, Xu Zhou, Yuting Tan, Yanhui Liu
OBJECTIVE: To investigate the curative effect of bronchoalveolar lavage with fiberoptic bronchoscopy combined with vibration sputum drainage in the treatment of severe pneumonia patients undergoing mechanical ventilation (MV). METHODS: A prospective randomized controlled trial was conducted. 286 severe pneumonia patients undergoing MV admitted to intensive care unit (ICU) of Hunan People's Hospital from January 2014 to July 2016 were enrolled, and they were divided into control group and observation group according to random number table, with 143 patients in each group...
January 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28459282/use-of-nasal-high-flow-in-stable-copd-rationale-and-physiology
#20
Lara Pisani, Maria Laura Vega
High-flow nasal cannula (HFNC) is a device able to deliver heated and humidified oxygen at high flows (up to 60 L/minutes). Potential benefits of HFNC are several and include the improvement of lung mucociliary clearance, the washout of upper airway dead space, the generation of a low level of positive airway pressure (PEEP effect), the decrease in inspiratory resistance and at the same time the increase in expiratory resistance. The present review aimed to describe the evidence surrounding the use of HFNC in stable chronic obstructive pulmonary disease patients...
May 1, 2017: COPD
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