Rohan Arya1,2, David Schrift1,2, Carol Choe3, Mohammed Al-Jaghbeer1,2,4. 1. University of South Carolina School of Medicine, Columbia, South Carolina, USA. 2. Department of Medicine, Palmetto Health USC Medical Group, Columbia, South Carolina, USA. 3. Department of Critical Care Medicine, Lexington Medical Center, West Columbia, South Carolina, USA. 4. Cleveland Clinic, Respiratory Institute, Cleveland, Ohio, USA.
Abstract
OBJECTIVES: Current methods to confirm endotracheal tube (ETT) placement have varying degrees of effectiveness and time to completion. We aimed to study the accuracy of real-time tracheal ultrasound (US) to confirm ETT placement in the intensive care unit (ICU) setting. METHODS: This work was a prospective study completed at 2 academic tertiary care centers. Patients in the adult ICU requiring emergent intubation were enrolled in the trial. During the intubation process, a US team performed a tracheal US examination to determine, in real time, whether the ETT was placed into the trachea or the esophagus. RESULTS: A total of 75 patients were enrolled in the study and were available for analysis. There were 12 (16%) esophageal intubations and 63 (84%) tracheal intubations. One hundred percent of the tracheal intubations and 83% of the esophageal intubations were correctly identified. The positive and negative predictive values of US to detect an esophageal intubation were 100% and 97%, respectively. CONCLUSIONS: Tracheal US can be highly accurate in identifying the location of the ETT, in real time, in ICU patients undergoing emergent intubation. Although our study shows a great potential of real-time US use during emergent intubations, larger studies would be needed to further evaluate the accuracy of this technique.
OBJECTIVES: Current methods to confirm endotracheal tube (ETT) placement have varying degrees of effectiveness and time to completion. We aimed to study the accuracy of real-time tracheal ultrasound (US) to confirm ETT placement in the intensive care unit (ICU) setting. METHODS: This work was a prospective study completed at 2 academic tertiary care centers. Patients in the adult ICU requiring emergent intubation were enrolled in the trial. During the intubation process, a US team performed a tracheal US examination to determine, in real time, whether the ETT was placed into the trachea or the esophagus. RESULTS: A total of 75 patients were enrolled in the study and were available for analysis. There were 12 (16%) esophageal intubations and 63 (84%) tracheal intubations. One hundred percent of the tracheal intubations and 83% of the esophageal intubations were correctly identified. The positive and negative predictive values of US to detect an esophageal intubation were 100% and 97%, respectively. CONCLUSIONS: Tracheal US can be highly accurate in identifying the location of the ETT, in real time, in ICU patients undergoing emergent intubation. Although our study shows a great potential of real-time US use during emergent intubations, larger studies would be needed to further evaluate the accuracy of this technique.
Authors: Rachael A Callcut; Yuan Xu; J Randall Moorman; Christina Tsai; Andrea Villaroman; Anamaria J Robles; Douglas E Lake; Xiao Hu; Matthew T Clark Journal: Physiol Meas Date: 2021-09-27 Impact factor: 2.688