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Airway ultrasound

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15 papers 0 to 25 followers
By Mark Robidoux EM resident, FOAMed follower, complete tech noob...on the line between Camden and Philly
Sabina Zadel, Matej Strnad, Gregor Prosen, Dušan Mekiš
AIM OF THE STUDY: The percentage of unrecognised orotracheal tube displacement in an out-of-hospital setting has been reported to be between 4.8% and 25%. The aim of our study was to assess the sensitivity and specificity of Point-of-Care-UltraSound (POCUS) for confirming the proper tube position after an urgent orotracheal intubation in an out-of-hospital setting and the time needed for POCUS. METHODS: Our single-centred prospective study included all patients who needed out-of-hospital orotracheal intubation...
February 2015: Resuscitation
Bunyamin Muslu, Hüseyin Sert, Ahmet Kaya, Rüveyda Irem Demircioglu, Muhammet Gözdemir, Burhanettin Usta, Kadriye Serife Boynukalin
OBJECTIVES: The aim of this study was to investigate the usefulness of sonography for verifying tracheal tube placement within 3 seconds in adult surgical patients. METHODS: This was a blinded prospective randomized study. The anesthesiologist placed the tracheal tube randomly in the trachea (n = 75) or in the esophagus (n = 75) with direct laryngoscopy. A sonographer identified all tracheal and esophageal intubations. The transducer was placed transversely on the neck just superior to the suprasternal notch...
May 2011: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Hao-Chang Chou, Kah-Meng Chong, Shyh-Shyong Sim, Matthew Huei-Ming Ma, Shih-Hung Liu, Nai-Chuan Chen, Meng-Che Wu, Chia-Ming Fu, Chih-Hung Wang, Chien-Chang Lee, Wan-Ching Lien, Shyr-Chyr Chen
OBJECTIVE: This study aimed to evaluate the accuracy of tracheal ultrasonography for assessing endotracheal tube position during cardiopulmonary resuscitation (CPR). METHODS: We performed a prospective observational study of patients undergoing emergency intubation during CPR. Real-time tracheal ultrasonography was performed during the intubation with the transducer placed transversely just above the suprasternal notch, to assess for endotracheal tube positioning and exclude esophageal intubation...
December 2013: Resuscitation
Michael Gottlieb, John M Bailitz, Errick Christian, Frances M Russell, Robert R Ehrman, Basem Khishfe, Alexander Kogan, Christopher Ross
INTRODUCTION: Recent research has investigated the use of ultrasound (US) for confirming endotracheal tube (ETT) placement with varying techniques, accuracies, and challenges. Our objective was to evaluate the accuracy of a novel, simplified, four-step (4S) technique. METHODS: We conducted a blinded, randomized trial of the 4S technique utilizing an adult human cadaver model. ETT placement was randomized to tracheal or esophageal location. Three US experts and 45 emergency medicine residents (EMR) performed a total of 150 scans...
November 2014: Western Journal of Emergency Medicine
B Hoffmann, J P Gullett, H F Hill, D Fuller, M C Westergaard, W T Hosek, J A Smith
PURPOSE: In controlled environments such as the operating room, bedside ultrasound (BUS) of the neck has shown high accuracy for distinguishing endotracheal (ETI) from esophageal intubations. We sought to determine the accuracy of BUS for endotracheal tube (ETT) position in the emergency department (ED) setting. MATERIALS AND METHODS: We assessed the utility of BUS in a single-center observational study in an ED setting. BUS was performed either simultaneously with ED intubation (S/ED), within < 3 minutes of ED intubation (A/ED), or in < 3 minutes of patient's ED arrival after pre-hospital intubation (A/EMS)...
October 2014: Ultraschall in der Medizin
Saeed Abbasi, Davood Farsi, Mohammad A Zare, Majid Hajimohammadi, Mahdi Rezai, Peyman Hafezimoghadam
BACKGROUND AND OBJECTIVE: Early confirmation of incorrect endotracheal tube (ETT) placement is of vital importance when performing emergency airway management. No ideal confirmation technique has been proposed under all circumstances. Recently, ultrasonography was suggested as a useful tool for confirmation of correct positioning of the ETT. The aim of this study is to assess the diagnostic accuracy of ultrasonography for detection of proper ETT placement. MATERIALS AND METHODS: This prospective study was carried out in the emergency department from February to October 2012...
February 2015: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
Robert Stuntz, Erik Kochert, Thompson Kehrl, Walter Schrading
STUDY OBJECTIVE: Transtracheal ultrasound has been described as a method to evaluate endotracheal tube placement. Correlation between sonologist experience and the successful use of transtracheal ultrasound to identify endotracheal tube location has not been examined. Our objectives were to evaluate emergency physicians' ability to correctly identify endotracheal tube location using transtracheal ultrasound and to evaluate the role operator experience plays in successful identification of tube placement...
March 2014: American Journal of Emergency Medicine
Michael Blaivas
No abstract text is available yet for this article.
December 2013: Resuscitation
Shyh-Shyong Sim, Wan-Ching Lien, Hao-Chang Chou, Kah-Meng Chong, Shih-Hung Liu, Chih-Hung Wang, Shey-Yin Chen, Chiung-Yuan Hsu, Zui-Shen Yen, Wei-Tien Chang, Chien-Hua Huang, Matthew Huei-Ming Ma, Shyr-Chyr Chen
AIM OF STUDY: Unrecognized one-lung intubations (also known as main-stem intubation) can lead to hypoventilation, atelectasis, barotrauma, and even patient death. Many traditional methods can be employed to detect one-lung intubation; however, each of these methods has limitations and is not consistently reliable in emergency settings. This study aimed to assess the accuracy and timeliness of ultrasound to confirm proper endotracheal intubation. METHODS: This was a prospective, single-center, observational study conducted at the emergency department of a national university teaching hospital...
March 2012: Resuscitation
Hao-Chang Chou, Wen-Pin Tseng, Chih-Hung Wang, Matthew Huei-Ming Ma, Hsiu-Po Wang, Pei-Chuan Huang, Shyh-Shyong Sim, Yen-Chen Liao, Shey-Yin Chen, Chiung-Yuan Hsu, Zui-Shen Yen, Wei-Tien Chang, Chien-Hua Huang, Wan-Ching Lien, Shyr-Chyr Chen
OBJECTIVES: This study aimed to assess the diagnostic accuracy and timeliness of using tracheal ultrasound to examine endotracheal tube placement during emergency intubation. METHODS: This was a prospective, observational study, conducted at the emergency department of a national university teaching hospital. Patients received emergency intubation because of impending respiratory failure, cardiac arrest, or severe trauma. The tracheal rapid ultrasound exam (T.R...
October 2011: Resuscitation
Soon Chang Park, Ji Ho Ryu, Seok Ran Yeom, Jin Woo Jeong, Suck Ju Cho
OBJECTIVES: The objective of the present study was to investigate whether the combined use of transcricothyroid membrane ultrasonography and ultrasonographic evaluation for pleural sliding is useful for verifying endotracheal intubation in the ED. METHODS: We performed a prospective clinical trial in the ED from January to July 2008. All patients enrolled in the present study had been admitted to the ED owing to severe airway problems. A linear probe was placed horizontally over the cricothyroid membrane (dynamic phase) during the intubation process...
August 2009: Emergency Medicine Australasia: EMA
Michael Blaivas, James W Tsung
OBJECTIVE: Determining the correct position of endotracheal tubes in critically ill patients may be complicated by external factors such as noise, body habitus, and the need for ongoing resuscitation. Multiple detection techniques have been developed to determine the correct endotracheal tube position, recently including the use of sonography to evaluate lung expansion and diaphragmatic excursion. These techniques have also been applied to diagnosis of right endobronchial main stem intubation, which may be confused with a unilateral pneumothorax in some cases...
May 2008: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Alan Sustić
Ultrasound imaging of the upper airway in critically ill patients offers a number of attractive advantages compared with competitive imaging techniques or endoscopy. It is widely available, portable, repeatable, relatively inexpensive, pain-free, and safe. In this review article, I describe ultrasonographic anatomy of the upper respiratory organs and present the main potential applications of ultrasonography in airway management. The role of ultrasound in endotracheal tube placement, including preintubation assessment, verification of tube position, double-lumen intubation, and extubation outcome, are explained...
May 2007: Critical Care Medicine
Sandra L Werner, Charles E Smith, Jessica R Goldstein, Robert A Jones, Rita K Cydulka
STUDY OBJECTIVE: Visualization of the vocal cords and end-tidal capnography are the usual standards in confirming endotracheal tube placement. Vocal cord visualization is, however, not always possible, and capnography is not 100% reliable and requires ventilation of the lungs to confirm placement. The goal of this study is to determine the accuracy of ultrasonography for detecting endotracheal tube placement into the trachea and esophagus in real time. METHODS: This was a prospective, randomized, controlled study...
January 2007: Annals of Emergency Medicine
Blake Weaver, Matthew Lyon, Michael Blaivas
OBJECTIVES: To evaluate the performance of the ultrasound (US) sliding lung sign as a predictor of endotracheal tube (ETT) placement. Many other tools and examination findings have been used to confirm ETT placement; erroneous placement of the ETT has even been confirmed by US. METHODS: This was a laboratory study using fresh, recently dead cadavers. Cadavers were obtained at a medical school anatomy laboratory on the basis of availability during a four-month period...
March 2006: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
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