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Background: There is continued research to find new faster, highly accurate, easily accessible, and portable methods of confirming endotracheal tube position during intubation. A newer modality for visualizing endotracheal tube location is transtracheal or transcricothyroid ultrasonography. The aim of this study was to see if ultrasound machine can also be routinely used for the confirmation of endotracheal tube position in operating theaters along with capnograph.

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Objective: To compare 4 point-of-care (POC) techniques to assess nasogastric (NG) tube placement versus radiographs as a reference standard. POC methods included air inflation with auscultation, fluid aspiration with pH measurement, ultrasonography, and capnography.

Design: Prospective observational study in hospitalized dogs between 2020 and 2021.

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Article Synopsis
  • Tracheal intubation is essential for patient survival, and this study explores the effectiveness of the left head rotation maneuver compared to the traditional sniffing position for better glottic visualization during intubation.
  • The research involved 52 adult patients undergoing elective surgery, with one group using the left head rotation and the other using the sniffing position for intubation.
  • Results found no significant differences in glottic visualization or intubation difficulty between the two methods, indicating both positions are equally effective for intubation.
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Development of a Novel Infant Volumetric Capnography Simulator: Making the Invisible Visible Improves Understanding and Safety.

Simul Healthc

August 2024

From the Department of Anesthesiology (M.D.C.), Sanatorio Finochietto, Buenos Aires, Argentina; Simulation Center of Buenos Aires Association of Anesthesia (A.B.), Analgesia y Reanimation, Buenos Aires, Argentina; Department of Anesthesiology (L.H.P.), Children Hospital Dr. Orlando Alassia, Santa Fe, Argentina; Instituto Tecnológico Buenos Aires (ITBA) (M.M.), Buenos Aires, Argentina; Department of Anesthesiology and Intensive Care Medicine (S.H.B.), Rostock University Medical Center, Rostock, Germany; and Department of Anesthesia (G.T.), Hospital Privado de Comunidad, Mar del Plata, Argentina.

Introduction: Volumetric capnography depicts volumetric capnograms [ie, the plot of expired carbon dioxide (CO 2 ) over the tidal volume]. This bench study aimed to determine the reliability, accuracy, and precision of a novel infant simulator for volumetric capnography. This simulator would be clinically valuable for teaching purposes because it reflects the entire cardiopulmonary physiology within 1 breath.

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Article Synopsis
  • * Out of those patients, 12 experienced oxygen desaturation events, and the nasal pressure monitoring was able to predict these in a majority of cases.
  • * While some false alarms were reported in both nasal pressure and capnography monitoring, the study concluded that nasal pressure monitoring is safe and could be useful for respiratory monitoring during sedation despite the occurrence of false alarms.
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