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https://www.readbyqxmd.com/read/29063711/role-of-ultrasound-measuring-position-and-ventilation-pressure-in-determining-correct-tube-size-in-children
#1
Christoph Schramm, Luzie S Eisleben, Jens Kessler, Katrin Jensen, Konstanze Plaschke
BACKGROUND: Ultrasound measurements of the airway are useful for determining correctly sized, uncuffed endotracheal tubes in children. AIMS: The primary objective of this study was to evaluate the influence of ventilation pressure on the sonographically measured tracheal diameter at different levels. METHODS: A total of 100 patients (under 7 years) were enrolled in this study. Six sonographic measurements of minimal transverse diameters at 3 locations (vocal chords, cricoid cartilage, and proximal trachea) and at 2 different ventilation pressures (0 and 15 mbar) were performed before the intubation procedure...
October 24, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28988443/effects-of-supramaximal-balloon-dilatation-pressures-on-adult-cricoid-and-tracheal-cartilage-a-cadaveric-study
#2
Venkata S P B Durvasula, Sara C Shalin, Ozlem E Tulunay-Ugur, James Y Suen, Gresham T Richter
OBJECTIVES/HYPOTHESIS: Cricoid fracture is a serious concern for balloon dilatation in airway stenosis. Furthermore, there are no studies examining tracheal rupture in balloon dilatation of stenotic segments. The aim of this study was to evaluate the effect of supramaximal pressures of balloons on the cricoid and tracheal rings. STUDY DESIGN: Prospective cadaveric study. METHODS: Seven cadaveric laryngotracheal complexes of normal adults with intact cricothyroid membranes were acquired...
October 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28960597/ideal-cricoid-pressure-is-biomechanically-impossible-during-laryngoscopy
#3
Christopher E Trethewy, Steven R Doherty, Julie M Burrows, Don Clausen
OBJECTIVE: This study was a prospective, randomized controlled trial of rapid sequence intubation (RSI) with cricoid pressure (CP) within the emergency department (ED). The primary aim of the study was to examine the link between ideal CP and the incidence of aspiration. METHOD: Patients > 18 years of age undergoing RSI in the ED of two hospitals in New South Wales, Australia, were randomly assigned to receive measured CP using weighing scales to target the ideal CP range (3...
September 28, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28953309/measurement-of-cricoid-pressure-force-during-simulated-sellick-s-manoeuvre
#4
Paweł Andruszkiewicz, Mateusz Zawadka, Anna Kosińska, Paulina Walczak-Wieteska, Kalina Majerowicz
BACKGROUND: Cricoid pressure is a standard anaesthetic procedure used to reduce the risk of aspiration of gastric contents during the induction of general anaesthesia. However, for several years its validity has been questioned. There still remains the question of whether we perform it correctly. The aim of the study was an evaluation of the theoretical knowledge of Sellick's manoeuvre, as well an assessment of practical skill related with it when simulated on a model of the upper airway...
September 27, 2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28874304/effect-of-cricoid-pressure-on-the-insertion-efficacy-of-six-supraglottic-devices-a-crossover-randomized-simulation-trial
#5
Fumihiro Ohchi, Nobuyasu Komasawa, Ryosuke Mihara, Kazuo Hattori, Toshiaki Minami
BACKGROUND: No study has ever compared the efficacy of various types of supraglottic devices (SGDs) for securing the airway under cricoid pressure. OBJECTIVE: This study aimed to evaluate the efficacy of six SGDs, LMA-ProSeal (ProSeal), LMA-Classic (Classic), Laryngeal Tube (LT), LMA-Supreme (Supreme), air-Q (air-Q), and i-gel (i-gel), in airway management under cricoid pressure using a manikin. METHODS: Fifteen novice doctors and 16 experienced doctors used the six SGDs under cricoid or sham pressure on an adult manikin...
November 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28837293/-%C3%A2-golden-hour-%C3%A2-and-the-sellick-manoeuvre-in-emergency-care-we-must-not-throw-out-the-baby-with-the-bathwater
#6
Lukas Bürki, Bertrand Yersin
This article evaluates 3 controversial subjects of pre-hospital emergency care : 1) The concept of the « Golden hour » predicates an increased morbidity and mortality for injured patients, if pre-hospital care exceeds 1 hour. In the subgroup of patients presenting with severe hemorrhagic injuries or penetrating trauma to the torso, a transport of 60 minutes or less decreases mortality ; 2) The Sellick manoeuvre is used to decrease the risk of bronchoaspiration in patients undergoing an emergency intubation...
August 9, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28602458/using-ultrasonography-to-assess-the-effectiveness-of-cricoid-pressure-on-esophageal-compression
#7
Jonathan Kei, Emily E Utschig, Reinier J van Tonder
BACKGROUND: Cricoid pressure during intubation has been used for decades as a way to potentially occlude the esophagus to avoid aspiration of gastric contents. However, recent evidence has questioned the effectiveness of this maneuver. OBJECTIVE: This study uses a noninvasive modality, ultrasonography, to determine the anatomic position of the cricoid cartilage and the esophagus and examines the effectiveness of cricoid pressure on esophageal compression. METHODS: Ultrasound imaging was used to describe the anatomic relationship of the esophagus to the trachea as either being directly behind the trachea, partially behind the trachea, or completely lateral to the trachea...
August 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28582364/cricoid-pressure-impedes-mask-ventilation-a-randomised-crossover-trial
#8
Nobuyasu Komasawa, Ryosuke Mihara, Kazuo Hattori, Toshiaki Minami
No abstract text is available yet for this article.
July 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28577164/internal-jugular-vein-blood-flow-in-the-upright-position-during-external-compression-and-increased-central-venous-pressure-an-ultrasound-study-in-healthy-volunteers
#9
Tze Yeng Yeoh, Lashmi Venkatraghavan, Joseph A Fisher, Massimiliano Meineri
BACKGROUND: External compression of the jugular veins is an effective method to increase intracranial blood volume and brain stiffness in rats and healthy volunteers. It has been reported that, on assuming an upright posture, cerebral venous drainage is distributed away from the internal jugular veins (IJVs) to the cervical venous plexus, causing complete collapse of the IJV. If so, it is not clear why external IJV compression would increase intracranial blood volume, but the latter is frequently observed in neurosurgery in the sitting position...
August 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28543926/comparative-effect-of-the-sites-of-anterior-cervical-pressure-on-the-geometry-of-the-upper-esophageal-sphincter-high-pressure-zone
#10
COMPARATIVE STUDY
Ling Mei, Hongmei Jiao, Tarun Sharma, Arshish Dua, Patrick Sanvanson, Sudarshan R Jadcherla, Reza Shaker
OBJECTIVES/HYPOTHESIS: External cricoid pressure is increasingly used to augment the upper esophageal sphincter (UES). Our objective was to determine the effect of 1) pressures applied to cricoid, supracricoid, and subcricoid regions on the length and amplitude of the UES high-pressure zone (UESHPZ), and 2) the external cricoid pressure on lower esophageal sphincter (LES) tone. STUDY DESIGN: Case-control study. METHODS: We studied 11 patients with supraesophageal reflux (mean age 58 ± 12 years) and 10 healthy volunteers (mean age 47 ± 19 years)...
November 2017: Laryngoscope
https://www.readbyqxmd.com/read/28430688/cricoid-pressure-gender-and-black-cats
#11
Massimiliano Sorbello, Marinella Astuto
No abstract text is available yet for this article.
June 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28230439/developing-an-e-learning-resource-for-nurse-airway-assistants-in-the-emergency-department
#12
Peter Hersey, Sean McAleer
The aims of this project were to determine the required competencies for a nurse in the emergency department assisting with a rapid sequence induction of anaesthesia (RSI), and to produce a relevant e-learning resource. A three-round multidisciplinary Delphi process produced the following competencies: ability to describe the steps and sequence of events of an RSI, familiarity with the equipment used during an RSI, ability to recognise and help manage problems occurring during an RSI, ability to prepare for an RSI, ability to apply cricoid pressure, and understanding the modification of an RSI in special circumstances...
February 23, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28079588/the-cricoid-force-necessary-to-occlude-the-esophageal-entrance-is-there-a-gender-difference
#13
Ahed M Zeidan, M Ramez Salem, Munir Bamadhaj, Jean-Xavier Mazoit, Hussein Sadek, Hassan Houjairy, Kamal Abdulkhaleq, Nabil Bamadhaj
BACKGROUND: We tested the hypothesis whether gender differences exist in the applied cricoid force necessary to prevent regurgitation. Real-time visual and dynamic means were used to assess the effectiveness of different applied cricoid forces in occluding the esophageal entrance in men (group 1) and in women (group 2). METHODS: In anesthetized and paralyzed patients, the glottis and esophageal entrance were visualized with a Glidescope video laryngoscope. Trained operators performed cricoid pressure (CP) and gastric tube insertion trials...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28058141/ultrasonographic-measurement-of-subglottic-diameter-for-paediatric-cuffed-endotracheal-tube-size-selection-feasibility-report
#14
Demet Altun, Mukadder Orhan Sungur, Achmet Ali, Emre Sertaç Bingül, Tülay Özkan Seyhan, Emre Çamcı
OBJECTIVE: The aim of this feasibility study was to investigate the first attempt success of ultrasonography (USG) in paediatric patients in predicting an appropriate cuffed endotracheal tube (ETT) size. METHODS: Fifty children who were 1-10 years of age and who received general anaesthesia with endotracheal intubation for adenoidectomy or adenotonsillectomy were enrolled in the study. In all participants, the transverse diameter of the subglottic airway was measured with USG at the cricoid level without ventilation...
December 2016: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28045709/cricoid-pressure-controversies-narrative-review
#15
REVIEW
M Ramez Salem, Arjang Khorasani, Ahed Zeidan, George J Crystal
Since cricoid pressure was introduced into clinical practice, controversial issues have arisen, including necessity, effectiveness in preventing aspiration, quantifying the cricoid force, and its reliability in certain clinical entities and in the presence of gastric tubes. Cricoid pressure-associated complications have also been alleged, such as airway obstruction leading to interference with manual ventilation, laryngeal visualization, tracheal intubation, placement of supraglottic devices, and relaxation of the lower esophageal sphincter...
April 2017: Anesthesiology
https://www.readbyqxmd.com/read/28003691/all-india-difficult-airway-association-2016-guidelines-for-the-management-of-unanticipated-difficult-tracheal-intubation-in-obstetrics
#16
Venkateswaran Ramkumar, Ekambaram Dinesh, Sumalatha Radhakrishna Shetty, Amit Shah, Pankaj Kundra, Sabyasachi Das, Sheila Nainan Myatra, Syed Moied Ahmed, Jigeeshu Vasishtha Divatia, Apeksh Patwa, Rakesh Garg, Ubaradka S Raveendra, Jeson Rajan Doctor, Dilip K Pawar, Singaravelu Ramesh
The various physiological changes in pregnancy make the parturient vulnerable for early and rapid desaturation. Severe hypoxaemia during intubation can potentially compromise two lives (mother and foetus). Thus tracheal intubation in the pregnant patient poses unique challenges, and necessitates meticulous planning, ready availability of equipment and expertise to ensure maternal and foetal safety. The All India Difficult Airway Association (AIDAA) proposes a stepwise plan for the safe management of the airway in obstetric patients...
December 2016: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/27986337/comparison-of-cricoid-pressure-effect-between-mcgrath%C3%A2-mac-and-pentax-aws-airwayscope%C3%A2-a-prospective-randomized-trials
#17
RANDOMIZED CONTROLLED TRIAL
Nobuyasu Komasawa, Haruki Kido, Ryosuke Mihara, Toshiaki Minami
No abstract text is available yet for this article.
April 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27852241/comparison-of-glottic-views-and-intubation-times-in-the-supine-and-25-degree-back-up-positions
#18
COMPARATIVE STUDY
Raj M Reddy, Manish Adke, Pranava Patil, Irina Kosheleva, Saxon Ridley
BACKGROUND: We explored whether positioning patients in a 25° back-up sniffing position improved glottic views and ease of intubation. METHODS: In the first part of the study, patients were intubated in the standard supine sniffing position. In the second part, the back of the operating table was raised 25° from the horizontal by flexion of the torso at the hips while maintaining the sniffing position. The best view obtained during laryngoscopy was assessed using the Cormack and Lehane classification and Percentage of Glottic Opening (POGO) score...
November 16, 2016: BMC Anesthesiology
https://www.readbyqxmd.com/read/27850658/1020-clinical-impact-of-cricoid-pressure-in-the-icu-ed-a-retrospective-multicenter-observational-study
#19
Taiki Kojima, Erin Owen, Asha Shenoi, Ilana Harwayne-Gidansky, Ting-Chang Hsieh, Aaron Donoghue, Vinay Nadkarni, Akira Nishisaki
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27803126/put-pressure-on-the-cricoid-pressure
#20
EDITORIAL
Patrick Schober, Lothar A Schwarte
No abstract text is available yet for this article.
March 2017: Emergency Medicine Journal: EMJ
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