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https://www.readbyqxmd.com/read/28802261/how-do-different-brands-of-size-1-laryngeal-mask-airway-compare-with-face-mask-ventilation-in-a-dedicated-laryngeal-mask-airway-teaching-manikin
#1
Mark Brian Tracy, Archana Priyadarshi, Dimple Goel, Krista Lowe, Jacqueline Huvanandana, Murray Hinder
BACKGROUND: International neonatal resuscitation guidelines recommend the use of laryngeal mask airway (LMA) with newborn infants (≥34 weeks' gestation or >2 kg weight) when bag-mask ventilation (BMV) or tracheal intubation is unsuccessful. Previous publications do not allow broad LMA device comparison. OBJECTIVE: To compare delivered ventilation of seven brands of size 1 LMA devices with two brands of face mask using self-inflating bag (SIB). DESIGN: 40 experienced neonatal staff provided inflation cycles using SIB with positive end expiratory pressure (PEEP) (5 cmH2O) to a specialised newborn/infant training manikin randomised for each LMA and face mask...
August 11, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28658880/ultrasonographic-estimation-of-endotracheal-tube-size-in-paediatric-patients-and-its-comparison-with-physical-indices-based-formulae-a-prospective-study
#2
Jagadish G Sutagatti, Ranjana Raja, Madhuri S Kurdi
INTRODUCTION: Choosing the correct Endotracheal Tube (ETT) size is important in paediatric anaesthesia. The subglottic diameter being the narrowest diameter of the paediatric upper airway plays an important role in appropriate ETT size selection. AIM: This study was planned to determine the accuracy of Ultrasonography (USG) to assess the appropriate ETT size and compare it with physical indices based formulae. The secondary outcome was to assess the number of times the tube was changed based on air leak test for USG estimated tube size...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28655952/a-novel-technique-for-insertion-of-proseal%C3%A2-laryngeal-mask-airway-comparison-of-the-stylet-tool-with-the-introducer-tool-in-a-prospective-randomised-study
#3
Sheila Nainan Myatra, Vijaykumar Khandale, Friedrich Pühringer, Sushan Gupta, Sohan Lal Solanki, Jigeeshu V Divatia
BACKGROUND AND AIMS: The ProSeal™ laryngeal mask airway (PLMA) has a soft cuff which tends to fold on itself during insertion, resulting in reduced first-attempt success rate. We compared the standard introducer technique of PLMA insertion with a novel method to prevent folding of the cuff using a Rüsch™ Stylet. METHODS: This randomised superiority trial included 120 American Society of Anesthesiologists I-II patients between 18 and 80 years, undergoing elective surgeries under general anaesthesia using a PLMA for airway management...
June 2017: Indian Journal of Anaesthesia
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
#4
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/28618734/a-comparison-of-usage-of-the-laryngeal-mask-unique-tm-in-denticulate-and-edentulate-geriatric-patients
#5
Meltem Genez, Semih Küçükgüçlü, Şule Özbilgin, Bahar Kuvaki, Tangül Beydeş, Melek Aksoy Sari
BACKGROUND/AIM: Mask ventilation in geriatric and edentulous patients can be ineffective or even impossible because of the shape inside the patients' cheeks. For patients for whom a mask cannot be used for long, the use of a laryngeal mask can ease the administration of anesthesia. The aim of this study was to compare the use of the laryngeal mask Unique(TM) in denticulate and edentulate patients aged over 65 years. MATERIALS AND METHODS: This prospective study included patients according to the American Society of Anesthesiologists I-III classification, aged 65 years or more...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28584349/comparison-of-actual-and-ideal-body-weight-for-selection-of-appropriate-size-of-proseal%C3%A2-laryngeal-mask-airway-in-overweight-and-obese-patients-a-prospective-randomised-study
#6
Sohan Lal Solanki, Jeson R Doctor, Kamlesh K Shekhawat, Sheila Nainan Myatra, Malini Joshi, Jigeeshu V Divatia
BACKGROUND AND AIMS: The ProSeal™ laryngeal mask airway (PLMA) has advantages of providing better cuff seal and the presence of a gastric drain tube. The manufacturer recommends actual body weight (ABW) for size selection. Pharyngeal area reduces with increase in body mass index (BMI); hence, in overweight patients, PLMA selected on ABW may not fit well. We hypothesised that the ideal body weight (IBW) would be more appropriate in size selection of PLMA. METHODS: This randomised, single-blind study included 124 patients of 20-60 years and American Society of Anesthesiologists Class I-II, with BMI >25...
May 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28559463/development-and-testing-of-a-bubble-bi-level-positive-airway-pressure-system
#7
Stephen C John, Joseph D Barnett, Nickolas D Habben, Hoa T Le, Eric Cheng, Sunil P John, Peter A Gustafson
BACKGROUND: Neonatal respiratory distress results in > 1 million annual deaths worldwide. Bubble CPAP is a simple, effective, and widely used therapy for infants in respiratory distress. In low-resource settings, more advanced respiratory support is limited by cost, technical expertise, and sporadic electricity. We sought to develop a safe, inexpensive, and simple solution to provide further respiratory support for these infants. METHODS: A standard bubble CPAP system was modified to provide 2 levels of positive airway pressure (bi-level positive airway pressure) by attaching a novel device...
May 30, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28410880/the-effect-of-user-experience-and-inflation-technique-on-endotracheal-tube-cuff-pressure-using-a-feline-airway-simulator
#8
Donna M White, José I Redondo, Alastair R Mair, Fernando Martinez-Taboada
OBJECTIVE: The effect of user experience and inflation technique on endotracheal tube cuff pressure using a feline airway simulator. STUDY DESIGN: Prospective, experimental clinical study. METHODS: Participants included veterinary students at the beginning (group S1) and end (group S2) of their 2-week anaesthesia rotation and veterinary anaesthetists (group A). The feline airway simulator was designed to simulate an average size feline trachea, intubated with a 4...
February 24, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28198583/cuffed-endotracheal-tubes-in-children-the-effect-of-the-size-of-the-cuffed-endotracheal-tube-on-intracuff-pressure
#9
Senthil G Krishna, Mumin Hakim, Roby Sebastian, Heather L Dellinger, Dmitry Tumin, Joseph D Tobias
BACKGROUND: In children, the size of the cuffed endotracheal tube is based on various age-based formulas. However, such formulas may over or underestimate the size of the cuffed endotracheal tube. There are no data on the impact of different-sized cuffed endotracheal tubes (ETT) on the intracuff pressure in children. AIM: The current study measures intracuff pressure with different-sized cuffed ETT. METHOD: The study was conducted in an in vitro and in vivo phase...
May 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28152975/evaluation-of-the-optimal-cuff-volume-and-cuff-pressure-of-the-revised-laryngeal-tube-lts-d-in-surgical-patients
#10
Marc Kriege, Christian Alflen, Johannes Eisel, Thomas Ott, Tim Piepho, Ruediger R Noppens
BACKGROUND: Recent case reports have indicated significant cuff overinflation when using the standard filling volume based on the manufacturer's recommendations in older models of laryngeal tubes. The aim of this study was to determine the minimum cuff pressure needed to perform standardized ventilation without leakage in the new, revised model of the laryngeal tube "LTS-D". METHODS: After ethical approval, LTS-D was placed for ventilation in 60 anesthetized patients...
February 2, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28068958/effects-of-ventilator-settings-nebulizer-and-exhalation-port-position-on-albuterol-delivery-during-non-invasive-ventilation-an-in-vitro-study
#11
Yuda Sutherasan, Lorenzo Ball, Pasquale Raimondo, Valentina Caratto, Elisa Sanguineti, Federico Costantino, Maurizio Ferretti, Robert M Kacmarek, Paolo Pelosi
BACKGROUND: Few studies have investigated the factors affecting aerosol delivery during non-invasive ventilation (NIV). Our aim was to investigate, using a bench-top model, the effect of different ventilator settings and positions of the exhalation port and nebulizer on the amount of albuterol delivered to a lung simulator. METHODS: A lung model simulating spontaneous breathing was connected to a single-limb NIV ventilator, set in bi-level positive airway pressure (BIPAP) with inspiratory/expiratory pressures of 10/5, 15/10, 15/5, and 20/10 cmH2O, or continuous positive airway pressure (CPAP) of 5 and 10 cmH2O...
January 10, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28066621/the-non-intubated-anesthesia-for-airway-surgery
#12
REVIEW
Katsuhiro Okuda, Ryoichi Nakanishi
Surgical treatment for lung cancer including airway resection following reconstruction is typically performed under general anesthesia with single-lung ventilation because it is necessary to maintain a sufficient working space and to adjust the airway pressure for the leak test. However, non-intubated thoracic surgery has been gradually developed in recent years for thoracoscopic surgery, due to its lower rate of postoperative complications, shorter hospitalization duration, and lower invasiveness than the usual single-lung anesthesia...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28043780/influence-of-mouth-opening-on-oropharyngeal-humidification-and-temperature-in-a-bench-model-of-neonatal-continuous-positive-airway-pressure
#13
Hendrik S Fischer, Tim L Ullrich, Christoph Bührer, Christoph Czernik, Gerd Schmalisch
Clinical studies show that non-invasive respiratory support by continuous positive airway pressure (CPAP) affects gas conditioning in the upper airways, especially in the presence of mouth leaks. Using a new bench model of neonatal CPAP, we investigated the influence of mouth opening on oropharyngeal temperature and humidity. The model features the insertion of a heated humidifier between an active model lung and an oropharyngeal head model to simulate the recurrent expiration of heated, humidified air. During unsupported breathing, physiological temperature and humidity were attained inside the model oropharynx, and mouth opening had no significant effect on oropharyngeal temperature and humidity...
February 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/27853329/high-flow-nasal-cannulae-versus-nasal-continuous-positive-airway-pressure-in-neonates-with-respiratory-distress-syndrome-managed-with-insure-method-a-randomized-clinical-trial
#14
Maliheh Kadivar, Ziba Mosayebi, Nosrat Razi, Shahin Nariman, Razieh Sangsari
BACKGROUND: In recent years, various noninvasive respiratory support (NRS) of ventilation has been provided more in neonates. The aim of this study was to compare the effect of HFNC with NCPAP in post-extubation of preterm infants with RDS after INSURE method (intubation, surfactant, extubation). METHODS: A total of 54 preterm infants with RDS (respiratory distress syndrome) were enrolled in this study. Using a randomized sequence, they were assigned into two groups after INSURE method...
November 2016: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/27761035/a-randomised-trial-to-compare-i-gel-and-proseal%C3%A2-laryngeal-mask-airway-for-airway-management-in-paediatric-patients
#15
R Nirupa, Satinder Gombar, Vanita Ahuja, Preeti Sharma
BACKGROUND AND AIMS: i-gel™ is a newer supraglottic airway device with a unique non-inflatable cuff. We aimed to compare i-gel™ with ProSeal™ laryngeal mask airway (PLMA™) in children scheduled for surgery under general anaesthesia (GA) with controlled ventilation. METHODS: This prospective, randomised controlled study was conducted in 100 surgical patients, aged 2-6 years of American Society of Anesthesiologists Physical Status I-II scheduled under GA. Patients were randomly allocated to receive either size 2 i-gel™ or PLMA™ as an airway device...
October 2016: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/27741103/establishing-predictors-for-successfully-planned-endotracheal-extubation
#16
Chih-Cheng Lai, Chin-Ming Chen, Shyh-Ren Chiang, Wei-Lun Liu, Shih-Feng Weng, Mei-I Sung, Shu-Chen Hsing, Kuo-Chen Cheng
The aim of this study was to establish predictors for successfully planned extubation, which can be followed by medical personnel. The patients who were admitted to the adult intensive care unit of a tertiary hospital and met the following criteria between January 2005 and December 2014 were collected retrospectively: intubation > 48 hours; and candidate for extubation. The patient characteristics, including disease severity, rapid shallow breath index (RSBI), maximal inspiratory pressure (MIP), maximal expiratory pressure (MEP), cuff leak test (CLT) before extubation, and outcome, were recorded...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27608343/the-minimal-leak-test-technique-for-endotracheal-cuff-maintenance
#17
D A Harvie, J N Darvall, M Dodd, A De La Cruz, M Tacey, R L D'Costa, D Ward
Endotracheal tube (ETT) cuff pressure management is an essential part of airway management in intubated and mechanically ventilated patients. Both under- and over-inflation of the ETT cuff can lead to patient complications, with an ideal pressure range of 20-30 cmH2O defined. A range of techniques are employed to ensure adequate ETT cuff inflation, with little comparative data. We performed an observational cross-sectional study in a tertiary metropolitan ICU, assessing the relationship between the minimal leak test and cuff manometry...
September 2016: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/27581993/synchronized-mechanical-ventilation-for-respiratory-support-in-newborn-infants
#18
REVIEW
Anne Greenough, Thomas E Rossor, Adesh Sundaresan, Vadivelam Murthy, Anthony D Milner
BACKGROUND: During synchronised mechanical ventilation, positive airway pressure and spontaneous inspiration coincide. If synchronous ventilation is provoked, adequate gas exchange should be achieved at lower peak airway pressures, potentially reducing baro/volutrauma, air leak and bronchopulmonary dysplasia. Synchronous ventilation can potentially be achieved by manipulation of rate and inspiratory time during conventional ventilation and employment of patient-triggered ventilation. OBJECTIVES: To compare the efficacy of:(i) synchronised mechanical ventilation, delivered as high-frequency positive pressure ventilation (HFPPV) or patient-triggered ventilation (assist control ventilation (ACV) and synchronous intermittent mandatory ventilation (SIMV)), with conventional ventilation or high-frequency oscillation (HFO);(ii) different types of triggered ventilation (ACV, SIMV, pressure-regulated volume control ventilation (PRVCV), SIMV with pressure support (PS) and pressure support ventilation (PSV))...
September 1, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27549212/comparison-of-the-clinical-performance-of-i-gel-lma-supreme-and-lma-proseal-in-elective-surgery
#19
RANDOMIZED CONTROLLED TRIAL
Geoffrey Haw Chieh Liew, Esther Dawen Yu, Shitalkumar Sharad Shah, Harikrishnan Kothandan
INTRODUCTION: The LMA Supreme™, i-gel® and LMA ProSeal™ are second-generation supraglottic airway devices. We tested the hypothesis that these devices differ in performance when used for spontaneous ventilation during anaesthesia. METHODS: 150 patients who underwent general anaesthesia for elective surgery were randomly allocated into three groups. Data was collected on oropharyngeal leak pressures, ease and duration of device insertion, ease of gastric tube insertion, and airway safety...
August 2016: Singapore Medical Journal
https://www.readbyqxmd.com/read/27539719/synchronized-mechanical-ventilation-for-respiratory-support-in-newborn-infants
#20
REVIEW
Anne Greenough, Vadivelam Murthy, Anthony D Milner, Thomas E Rossor, Adesh Sundaresan
BACKGROUND: During synchronised mechanical ventilation, positive airway pressure and spontaneous inspiration coincide. If synchronous ventilation is provoked, adequate gas exchange should be achieved at lower peak airway pressures, potentially reducing baro/volutrauma, air leak and bronchopulmonary dysplasia. Synchronous ventilation can potentially be achieved by manipulation of rate and inspiratory time during conventional ventilation and employment of patient-triggered ventilation. OBJECTIVES: To compare the efficacy of:(i) synchronised mechanical ventilation, delivered as high-frequency positive pressure ventilation (HFPPV) or patient-triggered ventilation (assist control ventilation (ACV) and synchronous intermittent mandatory ventilation (SIMV)), with conventional ventilation or high-frequency oscillation (HFO);(ii) different types of triggered ventilation (ACV, SIMV, pressure-regulated volume control ventilation (PRVCV), SIMV with pressure support (PS) and pressure support ventilation (PSV))...
August 19, 2016: Cochrane Database of Systematic Reviews
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