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Alpert EA, Gold DD, Kobliner-Friedman D, Wagner M, Dadon Z. Revolutionizing Bladder Health: Artificial-Intelligence-Powered Automatic Measurement of Bladder Volume Using Two-Dimensional Ultrasound. Diagnostics (Basel) 2024; 14:1829. [PMID: 39202317 PMCID: PMC11353831 DOI: 10.3390/diagnostics14161829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2024] [Revised: 08/12/2024] [Accepted: 08/14/2024] [Indexed: 09/03/2024] Open
Abstract
INTRODUCTION Measuring elevated post-void residual volume is important for diagnosing urinary outflow tract obstruction and cauda equina syndrome. Catheter placement is exact but painful, invasive, and may cause infection, whereas an ultrasound is accurate, painless, and safe. AIM The purpose of this single-center study is to evaluate the accuracy of a module for artificial-intelligence (AI)-based fully automated bladder volume (BV) prospective measurement using two-dimensional ultrasound images, as compared with manual measurement by expert sonographers. METHODS Pairs of transverse and longitudinal bladder images were obtained from patients evaluated in an urgent care clinic. The scans were prospectively analyzed by the automated module using the prolate ellipsoid method. The same examinations were manually measured by a blinded expert sonographer. The two methods were compared using the Pearson correlation, kappa coefficients, and the Bland-Altman method. RESULTS A total of 111 pairs of transverse and longitudinal views were included. A very strong correlation was found between the manual BV measurements and the AI-based module with r = 0.97 [95% CI: 0.96-0.98]. The specificity and sensitivity for the diagnosis of an elevated post-void residual volume using a threshold ≥200 mL were 1.00 and 0.82, respectively. An almost-perfect agreement between manual and automated methods was obtained (kappa = 0.85). Perfect reproducibility was found for both inter- and intra-observer agreements. CONCLUSION This AI-based module provides an accurate automated measurement of the BV based on ultrasound images. This novel method demonstrates a very strong correlation with the gold standard, making it a potentially valuable decision-support tool for non-experts in acute settings.
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Affiliation(s)
- Evan Avraham Alpert
- Department of Emergency Medicine, Eisenberg R&D Authority, Shaare Zedek Medical Center, Jerusalem 9112001, Israel; (E.A.A.)
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem 9190500, Israel
| | - Daniel David Gold
- Department of Emergency Medicine, Eisenberg R&D Authority, Shaare Zedek Medical Center, Jerusalem 9112001, Israel; (E.A.A.)
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem 9190500, Israel
| | - Deganit Kobliner-Friedman
- Department of Emergency Medicine, Eisenberg R&D Authority, Shaare Zedek Medical Center, Jerusalem 9112001, Israel; (E.A.A.)
| | - Michael Wagner
- Division of Hospital Medicine, Department of Medicine, Prisma Health Greenville Memorial Hospital, 701 Grove Rd, Greenville, SC 29605, USA
| | - Ziv Dadon
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem 9190500, Israel
- Jesselson Integrated Heart Center, Eisenberg R&D Authority, Shaare Zedek Medical Center, Jerusalem 9112001, Israel
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Weimer AM, Weimer JM, Jonck C, Müller L, Stäuber M, Chrissostomou CD, Buggenhagen H, Klöckner R, Pirlich N, Künzel J, Rink M. [Ultrasound supported identification of the ligamentum conicum in teaching head and neck sonography]. Laryngorhinootologie 2024. [PMID: 38830381 DOI: 10.1055/a-2311-4389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
OBJECTIVE Upper airway obstructions are usually acute emergencies. Coniotomy is the last option to secure the airway and can be supported by sonography. The aim of this study was to establish a training program to teach these skills. MATERIAL AND METHODS The training consisted of theoretical training with an additional video presentation (10 minutes each) and practical training (45 minutes). Evaluations were completed before (T1) and after (T2) the training to measure prior experience and satisfaction with the training as well as subjective and objective competence levels. At T2, a practical test was also completed by n=113 participants. A standardized evaluation form was used to document the results of the practical test. RESULTS A large proportion of the participants had neither seen a coniotomy (64.6%) nor performed one independently (79.6%). Significant improvement (T1 to T2) was measured with regard to the subjective assessment of competence (p<0.001). The training received positive ratings for all items tested (scale ranges 1-2). During practical tests, the participants achieved an average of 89.2% of the possible points and needed a mean of 101 ±23 seconds to identify the conic ligament. CONCLUSION Structured training for sonographic identification of the conic ligament leads to significant improvement in the subjective assessment of competence and a high objective competence level in a short period of time. This type of training should be standardized in head and neck ultrasound training in the future.
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Affiliation(s)
- Andreas Michael Weimer
- Zentrum für Orthopädie, Unfallchirurgie und Paraplegiologie, Universitätsklinikum Heidelberg, Heidelberg, Germany
| | - Johannes Matthias Weimer
- Rudolf Frey Lernklinik, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Mainz, Germany
| | - Christopher Jonck
- Rudolf Frey Lernklinik, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Mainz, Germany
| | - Lukas Müller
- Klinik und Poliklinik für Diagnostische und Interventionelle Radiologie, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Mainz, Germany
| | - Marie Stäuber
- Rudolf Frey Lernklinik, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Mainz, Germany
| | | | - Holger Buggenhagen
- Rudolf Frey Lernklinik, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Mainz, Germany
| | - Roman Klöckner
- Institut für Interventionelle Radiologie, Universitätsklinikum Schleswig-Holstein Campus Lübeck, Lubeck, Germany
| | - Nina Pirlich
- Klinik für Anästhesiologie, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Mainz, Germany
| | - Julian Künzel
- Klinik und Poliklinik für Hals-, Nasen- und Ohrenheilkunde, Universitätsklinikum Regensburg, Regensburg, Germany
| | - Maximilian Rink
- Klinik und Poliklinik für Hals-, Nasen- und Ohrenheilkunde, Universitätsklinikum Regensburg, Regensburg, Germany
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Gómez-Ríos MÁ, Sastre JA, Onrubia-Fuertes X, López T, Abad-Gurumeta A, Casans-Frances R, Gómez-Ríos D, Garzón JC, Martínez-Pons V, Casalderrey-Rivas M, Fernández-Vaquero MÁ, Martínez-Hurtado E, Martín-Larrauri R, Reviriego-Agudo L, Gutierrez-Couto U, García-Fernández J, Serrano-Moraza A, Martín LJR, Leis CC, Ramírez SE, Orgeira JMF, Lima MJV, Mayo-Yáñez M, Parente-Arias P, Sistiaga-Suárez JA, Bernal-Sprekelsen M, Charco-Mora P. Executive Summary of the Spanish Society of Anesthesiology, Reanimation and Pain Therapy (SEDAR) Spanish Society of Emergency and Emergency Medicine (SEMES) and Spanish Society of Otolaryngology, Head and Neck Surgery (SEORL-CCC) Guideline for difficult airway management. ACTA OTORRINOLARINGOLOGICA ESPANOLA 2024:S2173-5735(24)00061-9. [PMID: 38797374 DOI: 10.1016/j.otoeng.2024.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 03/08/2024] [Indexed: 05/29/2024]
Abstract
The Airway section of the Spanish Society of Anesthesiology, Reanimation and Pain Therapy (SEDAR), Spanish Society of Emergency and Emergency Medicine (SEMES) and Spanish Society of Otolaryngology, Head and Neck Surgery (SEORL-CCC) present the Guidelines for the integral management of difficult airway in adult patients. This document provides recommendations based on current scientific evidence, theoretical-educational tools and implementation tools, mainly cognitive aids, applicable to the treatment of the airway in the field of anesthesiology, critical care, emergencies and prehospital medicine. Its principles are focused on the human factors, cognitive processes for decision-making in critical situations and optimization in the progression of the application of strategies to preserve adequate alveolar oxygenation in order to improve safety and quality of care.
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Affiliation(s)
- Manuel Á Gómez-Ríos
- Anesthesiology and Perioperative Medicine, Complejo Hospitalario Universitario de A Coruña, Spain.
| | - José Alfonso Sastre
- Anesthesiology and Perioperative Medicine, Complejo Asistencial Universitario de Salamanca, Salamanca, Spain
| | | | - Teresa López
- Anesthesiology and Perioperative Medicine, Complejo Asistencial Universitario de Salamanca, Salamanca, Spain
| | | | - Rubén Casans-Frances
- Department of Anesthesiology, Hospital Universitario Infanta Elena, Valdemoro, Madrid, Spain
| | | | - José Carlos Garzón
- Anesthesiology and Perioperative Medicine, Complejo Asistencial Universitario de Salamanca, Salamanca, Spain
| | - Vicente Martínez-Pons
- Department of Anesthesiology, Hospital Universitari i Politecnic La Fe, Valencia, Spain
| | | | | | | | | | | | | | - Javier García-Fernández
- Department of Anesthesiology, Hospital Universitario Puerta de Hierro-Majadahonda, Majadahonda, Spain; Presidente de la Sociedad Española De Anestesiología, Reanimación y Terapéutica del Dolor (SEDAR), Spain
| | | | | | | | | | | | | | - Miguel Mayo-Yáñez
- Department of Otorhinolaryngology - Head Neck Surgery, Complexo Hospitalario Universitario A Coruña, Galicia, Spain
| | - Pablo Parente-Arias
- Department of Otorhinolaryngology - Head Neck Surgery, Complexo Hospitalario Universitario A Coruña, Galicia, Spain; Department of Otorhinolaryngology, Universidade de Santiago de Compostela, Galicia, Spain
| | - Jon Alexander Sistiaga-Suárez
- Department of Otorhinolaryngology, Hospital Universitario Donostia, Donostia, Spain; Presidente de la Comisión de Tumores de la OSI Donostialdea, Spain
| | - Manuel Bernal-Sprekelsen
- Department of Otorhinolaryngology, University of Barcelona, Barcelona, Spain; Department of Otorhinolaryngology, Hospital Clinic Barcelona, Spain; Presidente de la Sociedad Española de Otorrinolaringología y Cirugía de Cabeza y Cuello (SEORL-CCC), Spain
| | - Pedro Charco-Mora
- Department of Anesthesiology, Hospital Universitari i Politecnic La Fe, Valencia, Spain
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4
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Gómez-Ríos MÁ, Sastre JA, Onrubia-Fuertes X, López T, Abad-Gurumeta A, Casans-Francés R, Gómez-Ríos D, Garzón JC, Martínez-Pons V, Casalderrey-Rivas M, Fernández-Vaquero MÁ, Martínez-Hurtado E, Martín-Larrauri R, Reviriego-Agudo L, Gutierrez-Couto U, García-Fernández J, Serrano-Moraza A, Rodríguez Martín LJ, Camacho Leis C, Espinosa Ramírez S, Fandiño Orgeira JM, Vázquez Lima MJ, Mayo-Yáñez M, Parente-Arias P, Sistiaga-Suárez JA, Bernal-Sprekelsen M, Charco-Mora P. Spanish Society of Anesthesiology, Reanimation and Pain Therapy (SEDAR), Spanish Society of Emergency and Emergency Medicine (SEMES) and Spanish Society of Otolaryngology, Head and Neck Surgery (SEORL-CCC) Guideline for difficult airway management. Part II. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2024; 71:207-247. [PMID: 38340790 DOI: 10.1016/j.redare.2024.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 08/28/2023] [Indexed: 02/12/2024]
Abstract
The Airway Management section of the Spanish Society of Anesthesiology, Resuscitation, and Pain Therapy (SEDAR), the Spanish Society of Emergency Medicine (SEMES), and the Spanish Society of Otorhinolaryngology and Head and Neck Surgery (SEORL-CCC) present the Guide for the comprehensive management of difficult airway in adult patients. Its principles are focused on the human factors, cognitive processes for decision-making in critical situations, and optimization in the progression of strategies application to preserve adequate alveolar oxygenation in order to enhance safety and the quality of care. The document provides evidence-based recommendations, theoretical-educational tools, and implementation tools, mainly cognitive aids, applicable to airway management in the fields of anesthesiology, critical care, emergencies, and prehospital medicine. For this purpose, an extensive literature search was conducted following PRISMA-R guidelines and was analyzed using the GRADE methodology. Recommendations were formulated according to the GRADE methodology. Recommendations for sections with low-quality evidence were based on expert opinion through consensus reached via a Delphi questionnaire.
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Affiliation(s)
- M Á Gómez-Ríos
- Anesthesiology and Perioperative Medicine, Complejo Hospitalario Universitario de A Coruña, A Coruña, Spain.
| | - J A Sastre
- Anesthesiology and Perioperative Medicine, Complejo Asistencial Universitario de Salamanca, Salamanca, Spain
| | - X Onrubia-Fuertes
- Department of Anesthesiology, Hospital Universitary Dr Peset, Valencia, Spain
| | - T López
- Anesthesiology and Perioperative Medicine, Complejo Asistencial Universitario de Salamanca, Salamanca, Spain
| | - A Abad-Gurumeta
- Department of Anesthesiology, Hospital Universitario Infanta Leonor, Madrid, Spain
| | - R Casans-Francés
- Department of Anesthesiology, Hospital Universitario Infanta Elena, Valdemoro, Madrid, Spain
| | | | - J C Garzón
- Anesthesiology and Perioperative Medicine, Complejo Asistencial Universitario de Salamanca, Salamanca, Spain
| | - V Martínez-Pons
- Department of Anesthesiology, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - M Casalderrey-Rivas
- Department of Anesthesiology. Complejo Hospitalario Universitario de Ourense, Ourense, Spain
| | - M Á Fernández-Vaquero
- Department of Anesthesiology, Hospital Clínica Universitaria de Navarra, Madrid, Spain
| | - E Martínez-Hurtado
- Department of Anesthesiology, Hospital Universitario Infanta Leonor, Madrid, Spain
| | | | - L Reviriego-Agudo
- Department of Anesthesiology, Hospital Clínico Universitario, Valencia, Spain
| | - U Gutierrez-Couto
- Biblioteca, Complejo Hospitalario Universitario de Ferrol (CHUF), Ferrol, A Coruña, Spain
| | - J García-Fernández
- Department of Anesthesiology, Hospital Universitario Puerta de Hierro-Majadahonda, Majadahonda, Madrid, Spain; President of the Spanish Society of Anesthesiology, Resuscitation and Pain Therapy (SEDAR), Spain
| | | | | | | | | | - J M Fandiño Orgeira
- Emergency Department, Complejo Hospitalario Universitario de A Coruña, A Coruña, Spain
| | - M J Vázquez Lima
- Emergency Department, Hospital do Salnes, Vilagarcía de Arousa, Pontevedra, Spain; President of the Spanish Emergency Medicine Society (SEMES), Spain
| | - M Mayo-Yáñez
- Department of Otorhinolaryngology/Head Neck Surgery, Complexo Hospitalario Universitario A Coruña, A Coruña, Spain
| | - P Parente-Arias
- Department of Otorhinolaryngology/Head Neck Surgery, Complexo Hospitalario Universitario A Coruña, A Coruña, Spain
| | - J A Sistiaga-Suárez
- Department of Otorhinolaryngology, Hospital Universitario Donostia, Donostia, Gipuzkoa, Spain
| | - M Bernal-Sprekelsen
- Department of Otorhinolaryngology, Hospital Clínic Barcelona, University of Barcelona, Barcelona, Spain; President of the Spanish Society for Otorhinolaryngology Head & Neck Surgery (SEORL-CCC), Spain
| | - P Charco-Mora
- Department of Anesthesiology, Hospital Universitari i Politècnic La Fe, Valencia, Spain
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5
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Gómez-Ríos MÁ, Sastre JA, Onrubia-Fuertes X, López T, Abad-Gurumeta A, Casans-Francés R, Gómez-Ríos D, Garzón JC, Martínez-Pons V, Casalderrey-Rivas M, Fernández-Vaquero MÁ, Martínez-Hurtado E, Martín-Larrauri R, Reviriego-Agudo L, Gutierrez-Couto U, García-Fernández J, Serrano-Moraza A, Rodríguez Martín LJ, Camacho Leis C, Espinosa Ramírez S, Fandiño Orgeira JM, Vázquez Lima MJ, Mayo-Yáñez M, Parente-Arias P, Sistiaga-Suárez JA, Bernal-Sprekelsen M, Charco-Mora P. Spanish Society of Anesthesiology, Reanimation and Pain Therapy (SEDAR), Spanish Society of Emergency and Emergency Medicine (SEMES) and Spanish Society of Otolaryngology, Head and Neck Surgery (SEORL-CCC) Guideline for difficult airway management. Part I. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2024; 71:171-206. [PMID: 38340791 DOI: 10.1016/j.redare.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 08/28/2023] [Indexed: 02/12/2024]
Abstract
The Airway Management section of the Spanish Society of Anesthesiology, Resuscitation, and Pain Therapy (SEDAR), the Spanish Society of Emergency Medicine (SEMES), and the Spanish Society of Otorhinolaryngology and Head and Neck Surgery (SEORL-CCC) present the Guide for the comprehensive management of difficult airway in adult patients. Its principles are focused on the human factors, cognitive processes for decision-making in critical situations, and optimization in the progression of strategies application to preserve adequate alveolar oxygenation in order to enhance safety and the quality of care. The document provides evidence-based recommendations, theoretical-educational tools, and implementation tools, mainly cognitive aids, applicable to airway management in the fields of anesthesiology, critical care, emergencies, and prehospital medicine. For this purpose, an extensive literature search was conducted following PRISMA-R guidelines and was analyzed using the GRADE methodology. Recommendations were formulated according to the GRADE methodology. Recommendations for sections with low-quality evidence were based on expert opinion through consensus reached via a Delphi questionnaire.
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Affiliation(s)
- M Á Gómez-Ríos
- Anesthesiology and Perioperative Medicine. Complejo Hospitalario Universitario de A Coruña, A Coruña, Spain.
| | - J A Sastre
- Anesthesiology and Perioperative Medicine. Complejo Asistencial Universitario de Salamanca, Salamanca, Spain
| | - X Onrubia-Fuertes
- Department of Anesthesiology, Hospital Universitari Dr Peset, Valencia, Spain
| | - T López
- Anesthesiology and Perioperative Medicine. Complejo Asistencial Universitario de Salamanca, Salamanca, Spain
| | - A Abad-Gurumeta
- Department of Anesthesiology, Hospital Universitario Infanta Leonor, Madrid, Spain
| | - R Casans-Francés
- Department of Anesthesiology. Hospital Universitario Infanta Elena, Valdemoro, Madrid, Spain
| | | | - J C Garzón
- Anesthesiology and Perioperative Medicine. Complejo Asistencial Universitario de Salamanca, Salamanca, Spain
| | - V Martínez-Pons
- Department of Anesthesiology, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - M Casalderrey-Rivas
- Department of Anesthesiology, Complejo Hospitalario Universitario de Ourense, Ourense, Spain
| | - M Á Fernández-Vaquero
- Department of Anesthesiology, Hospital Clínica Universitaria de Navarra, Madrid, Spain
| | - E Martínez-Hurtado
- Department of Anesthesiology, Hospital Universitario Infanta Leonor, Madrid, Spain
| | | | - L Reviriego-Agudo
- Department of Anesthesiology. Hospital Clínico Universitario, Valencia, Spain
| | - U Gutierrez-Couto
- Biblioteca, Complejo Hospitalario Universitario de Ferrol (CHUF), Ferrol, A Coruña, Spain
| | - J García-Fernández
- Department of Anesthesiology, Hospital Universitario Puerta de Hierro-Majadahonda, Majadahonda, Madrid, Spain; President of the Spanish Society of Anesthesiology, Resuscitation and Pain Therapy (SEDAR), Spain
| | | | | | | | | | - J M Fandiño Orgeira
- Servicio de Urgencias, Complejo Hospitalario Universitario de A Coruña, A Coruña, Spain
| | - M J Vázquez Lima
- Emergency Department, Hospital do Salnes, Vilagarcía de Arousa, Pontevedra, Spain; President of the Spanish Emergency Medicine Society (SEMES), Spain
| | - M Mayo-Yáñez
- Department of Otorhinolaryngology/Head Neck Surgery, Complexo Hospitalario Universitario A Coruña, A Coruña, Spain
| | - P Parente-Arias
- Department of Otorhinolaryngology/Head Neck Surgery, Complexo Hospitalario Universitario A Coruña, A Coruña, Spain
| | - J A Sistiaga-Suárez
- Department of Otorhinolaryngology, Hospital Universitario Donostia, Donostia, Gipuzkoa, Spain
| | - M Bernal-Sprekelsen
- Department of Otorhinolaryngology, Hospital Clínic Barcelona, University of Barcelona, Barcelona, Spain; President of the Spanish Society for Otorhinolaryngology Head & Neck Surgery (SEORL-CCC), Spain
| | - P Charco-Mora
- Department of Anesthesiology, Hospital Universitari i Politècnic La Fe, Valencia, Spain
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Lu T, Khampang P, Beydoun A, Berezovsky A, Rohde R, Hong W, Yu B, Kerschner JE. Continuous monitoring of endotracheal tube position with near infrared light. JOURNAL OF BIOMEDICAL OPTICS 2024; 29:035001. [PMID: 38476221 PMCID: PMC10928496 DOI: 10.1117/1.jbo.29.3.035001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 12/15/2023] [Accepted: 01/12/2024] [Indexed: 03/14/2024]
Abstract
Significance Endotracheal intubation is a common approach for airway management in critically ill patients. However, the position of the endotracheal tube (ETT) may be altered during the procedure due to head movements. Accidental displacement or dislodge of the ETT may reduce the airflow, leading to moderate to severe complications, and in some cases even fatality. Therefore, timely detection of changes in ETT position in the trachea is critical to ensure immediate and intermediate interventions to maintain the ETT in the proper position. Currently, there are no widely utilized tools for real-time monitoring of ETT positions. Aim The goal of this study is to develop a cost-effective and easy-to-use near-infrared (NIR) device, named Opt-ETT, capable of continuously monitoring the ETT position in the trachea of a patient. Approach A side-firing fiber is attached to the side of the ETT to illuminate the trachea tissue with NIR light, and a detector board containing five phototransistors is affixed to the chest skin to measure the intensity of diffusely transmitted light. Displacement of the ETT is estimated using second-order polynomial fitting to the ratios of the phototransistor readings. Monte Carlo simulations, ex vivo experiment on porcine tissue, and in vivo experiments using a swine model have been conducted to assess the feasibility of the device. Results The design of the Opt-ETT device has been verified by the Monte Carlo simulations and ex vivo experiment. The estimation of displacement from in vivo experiments using the Opt-ETT exhibited a high degree of agreement with that measured by a reference sensor, with a discrepancy between - 1.0 to + 1.5 mm within a displacement range from - 15 to + 15 mm . Conclusions The Opt-ETT device provides a potentially cost-effective solution for real-time and continuous monitoring of ETT position in patient during an intubation procedure.
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Affiliation(s)
- Tongtong Lu
- Marquette University, Medical College of Wisconsin, Joint Department of Biomedical Engineering, Milwaukee, Wisconsin, United States
| | - Pawjai Khampang
- Medical College of Wisconsin, Department of Otolaryngology and Communication Sciences, Milwaukee, Wisconsin, United States
| | - Ahmed Beydoun
- Medical College of Wisconsin, Department of Otolaryngology and Communication Sciences, Milwaukee, Wisconsin, United States
| | - Anna Berezovsky
- Medical College of Wisconsin, Department of Otolaryngology and Communication Sciences, Milwaukee, Wisconsin, United States
| | - Rebecca Rohde
- Medical College of Wisconsin, Department of Otolaryngology and Communication Sciences, Milwaukee, Wisconsin, United States
| | - Wenzhou Hong
- Medical College of Wisconsin, Department of Otolaryngology and Communication Sciences, Milwaukee, Wisconsin, United States
| | - Bing Yu
- Marquette University, Medical College of Wisconsin, Joint Department of Biomedical Engineering, Milwaukee, Wisconsin, United States
| | - Joseph E. Kerschner
- Medical College of Wisconsin, Department of Otolaryngology and Communication Sciences, Milwaukee, Wisconsin, United States
- Medical College of Wisconsin, Department of Microbiology and Immunology, Milwaukee, Wisconsin, United States
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Chang MG, Berra L, Bittner EA. Bedside Ultrasound: The Silent Guardian for Upper Airway Assessment and Management. Semin Ultrasound CT MR 2024; 45:46-57. [PMID: 38056793 DOI: 10.1053/j.sult.2023.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
Ultrasound evaluation of the upper airway has emerged as an essential instrument for clinicians, offering real-time assessment that can help to guide interventions and improve patient outcomes. This review aims to provide health care providers with a practical approach to performing ultrasound evaluation of the upper airway, covering basic physics relevant to upper airway ultrasound, the identification of key anatomical structures, and elucidating its various clinical applications, such as prediction of difficult airway, confirmation of endotracheal intubation, and guidance for surgical airway procedures and airway blocks. We also discuss evidence-based training programs, limitations, and future directions of ultrasound imaging of the upper airway.
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Affiliation(s)
- Marvin G Chang
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA.
| | - Lorenzo Berra
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA
| | - Edward A Bittner
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA
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8
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Martins MP, Ortenzi AV, Perin D, Quintas GCS, Malito ML, Carvalho VH. Recommendations from the Brazilian Society of Anesthesiology (SBA) for difficult airway management in adults. BRAZILIAN JOURNAL OF ANESTHESIOLOGY (ELSEVIER) 2024; 74:744477. [PMID: 38135152 PMCID: PMC10877351 DOI: 10.1016/j.bjane.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023]
Abstract
Difficult airway management represents a major challenge, requiring a careful approach, advanced technical expertise, and accurate protocols. The task force of the Brazilian Society of Anesthesiology (SBA) presents a report with updated recommendations for the management of difficult airway in adults. These recommendations were developed based on the consensus of a group of expert anesthesiologists, aiming to provide strategies for managing difficulties during tracheal intubation. They are based on evidence published in international guidelines and opinions of experts. The report underlines the essential steps for proper difficult airway management, encompassing assessment, preparation, positioning, pre-oxygenation, minimizing trauma, and maintaining arterial oxygenation. Additional strategies for using advanced tools, such as video laryngoscopy, flexible bronchoscopy, and supraglottic devices, are discussed. The report considers recent advances in understanding crisis management, and the implementation seeks to further patient safety and improve clinical outcomes. The recommendations are outlined to be uncomplicated and easy to implement. The report underscores the importance of ongoing education, training in realistic simulations, and familiarity with the latest technologies available.
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Affiliation(s)
| | - Antonio V Ortenzi
- Universidade Estadual de Campinas (UNICAMP), Faculdade de Ciências Médicas, Departamento de Anestesiologia, Oncologia e Radiologia, Campinas, SP, Brazil
| | - Daniel Perin
- Universidade de São Paulo (USP), Faculdade de Medicina, Disciplina de Anestesiologia, São Paulo, SP, Brazil
| | - Guilherme C S Quintas
- Hospital da Restauração, Hospital Universitário Oswaldo Cruz, CET Hospital Getúlio Vargas, Recife, PE, Brazil
| | | | - Vanessa H Carvalho
- Universidade Estadual de Campinas (UNICAMP), Faculdade de Ciências Médicas, Departamento de Anestesiologia, Oncologia e Radiologia, Campinas, SP, Brazil
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9
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Weimer JM, Beer D, Schneider C, Yousefzada M, Gottwald M, Züllich TF, Weimer A, Jonck C, Buggenhagen H, Kloeckner R, Merkel D. Inter-System Variability of Eight Different Handheld Ultrasound (HHUS) Devices-A Prospective Comparison of B-Scan Quality and Clinical Significance in Intensive Care. Diagnostics (Basel) 2023; 14:54. [PMID: 38201363 PMCID: PMC10795594 DOI: 10.3390/diagnostics14010054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 12/22/2023] [Accepted: 12/23/2023] [Indexed: 01/12/2024] Open
Abstract
BACKGROUND the use of handheld ultrasonography (HHUS) devices is well established in prehospital emergency diagnostics, as well as in intensive care settings. This is based on several studies in which HHUS devices were compared to conventional high-end ultrasonography (HEUS) devices. Nonetheless, there is limited evidence regarding potential variations in B-scan quality among HHUS devices from various manufacturers, and regarding whether any such differences hold clinical significance in intensive care medicine settings. METHODS this study included the evaluation of eight HHUS devices sourced from diverse manufacturers. Ultrasound videos of five previously defined sonographic questions (volume status/inferior vena cava, pleural effusion, pulmonary B-lines, gallbladder, and needle tracking in situ) were recorded with all devices. The analogue recording of the same pathologies with a HEUS device served as gold standard. The corresponding findings (HHUS and HEUS) were then played side by side and evaluated by sixteen intensive care physicians experienced in sonography. The B-scan quality and the clinical significance of the HHUS were assessed using a five-point Likert scale (5 points = very good; 1 point = insufficient). RESULTS both in assessing the quality of B-scans and in their ability to answer clinical questions, the HHUS achieved convincing results-regardless of the manufacturer. For example, only 8.6% (B-scan quality) and 9.8% (clinical question) of all submitted assessments received an "insufficient" rating. One HHUS device showed a significantly higher (p < 0.01) average points score in the assessment of B-scan quality (3.9 ± 0.65 points) and in the evaluation of clinical significance (4.03 ± 0.73 points), compared to the other devices. CONCLUSIONS HHUS systems are able to reliably answer various clinical intensive care questions and are-while bearing their limitations in mind-an acceptable alternative to conventional HEUS devices. Irrespective of this, the present study was able to demonstrate relevant differences in the B-scan quality of HHUS devices from different manufacturers.
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Affiliation(s)
- Johannes Matthias Weimer
- Rudolf Frey Learning Clinic, University Medical Center, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (C.J.); (H.B.)
| | - Diana Beer
- Immanuel Klinik Rüdersdorf, University Hospital of the Brandenburg Medical School, 15562 Rüdersdorf bei Berlin, Germany; (D.B.); (C.S.); (M.Y.); (M.G.); (T.F.Z.)
| | - Christoph Schneider
- Immanuel Klinik Rüdersdorf, University Hospital of the Brandenburg Medical School, 15562 Rüdersdorf bei Berlin, Germany; (D.B.); (C.S.); (M.Y.); (M.G.); (T.F.Z.)
| | - Masuod Yousefzada
- Immanuel Klinik Rüdersdorf, University Hospital of the Brandenburg Medical School, 15562 Rüdersdorf bei Berlin, Germany; (D.B.); (C.S.); (M.Y.); (M.G.); (T.F.Z.)
| | - Michael Gottwald
- Immanuel Klinik Rüdersdorf, University Hospital of the Brandenburg Medical School, 15562 Rüdersdorf bei Berlin, Germany; (D.B.); (C.S.); (M.Y.); (M.G.); (T.F.Z.)
| | - Tim Felix Züllich
- Immanuel Klinik Rüdersdorf, University Hospital of the Brandenburg Medical School, 15562 Rüdersdorf bei Berlin, Germany; (D.B.); (C.S.); (M.Y.); (M.G.); (T.F.Z.)
| | - Andreas Weimer
- Center of Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, 69118 Heidelberg, Germany;
| | - Christopher Jonck
- Rudolf Frey Learning Clinic, University Medical Center, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (C.J.); (H.B.)
| | - Holger Buggenhagen
- Rudolf Frey Learning Clinic, University Medical Center, Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (C.J.); (H.B.)
| | - Roman Kloeckner
- Institute of Interventional Radiology, University Hospital Schleswig-Holstein—Campus Lübeck, 23538 Lübeck, Germany;
| | - Daniel Merkel
- Immanuel Klinik Rüdersdorf, University Hospital of the Brandenburg Medical School, 15562 Rüdersdorf bei Berlin, Germany; (D.B.); (C.S.); (M.Y.); (M.G.); (T.F.Z.)
- BIKUS—Brandenburg Institute for Clinical Ultrasound, Brandenburg Medical School Theodor Fontane (MHB), 16816 Neuruppin, Germany
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10
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Wubben BM, Yun HI. The Performance Characteristics of Handheld, Non-Piezoelectric Point-of-Care Ultrasound (POCUS) in the Emergency Department. Diagnostics (Basel) 2023; 14:17. [PMID: 38201326 PMCID: PMC10795712 DOI: 10.3390/diagnostics14010017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/12/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
The use of handheld point-of-care ultrasound (HH-POCUS) platforms is rapidly increasing, but the diagnostic performance of HH-POCUS in the emergency department (ED) has not been well-studied. For a period of one year, only a HH-POCUS system that uses a non-piezoelectric array (Butterfly iQ+™) was available for clinical POCUS examinations in our ED. We performed a retrospective observational study of patients who underwent cardiac, thoracic, renal, biliary, or lower extremity venous (DVT) examinations from November 2021-November 2022 and calculated performance characteristics of HH-POCUS relative to radiology imaging. A total of 381 HH-POCUS studies were evaluated. Cardiac image quality was significantly lower than lung (p = 0.002). Over half of the studies (213/381) had imaging available for comparison, and HH-POCUS identified 86.5% (32/37, (95%CI) 70.4-94.9) of prespecified emergent diagnoses, including acute cholecystitis, severely reduced left ventricular ejection fraction, pericardial effusion or tamponade, moderate or larger pleural effusion, pneumothorax, moderate or larger hydronephrosis, and DVT. For less emergent diagnoses, 84.3% (43/51, (95%CI) 70.9-92.5) were identified. Overall, HH-POCUS using a non-piezoelectric array showed modest real-world performance in the ED for cardiac, thoracic, renal, biliary, and DVT examinations. HH-POCUS may be inadequate to rule out some common ED diagnoses, but had good specificity for certain conditions such as pericardial effusion.
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Affiliation(s)
- Brandon Michael Wubben
- Department of Emergency Medicine, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USA
| | - Hae In Yun
- Carver College of Medicine, University of Iowa, 375 Newton Road, Iowa City, IA 52242, USA;
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11
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Lee JY, Conlon TW, Fraga MV, Bauer AJ, Soni NJ, Chen AE, Kaplan SL. Identifying commonalities in definition and governance of point-of-care ultrasound within statements from medical organizations in the United States: A scoping review for a shared understanding. JOURNAL OF CLINICAL ULTRASOUND : JCU 2023; 51:1622-1630. [PMID: 37850556 DOI: 10.1002/jcu.23574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 09/19/2023] [Indexed: 10/19/2023]
Abstract
This scoping review analyzed statements from 22 medical organizations in the United States to identify commonalities in the definition and governance of point-of-care ultrasound (POCUS). A total of 41 statements were included. The review found that the most commonly used elements in defining POCUS were "focused," "bedside," and "patient care." In terms of governance, consistent requirements included specific training programs, documentation in medical records, continuous quality assurance, and standards for credentialing and privileging. These findings suggest the existence of essential commonalities that could facilitate communication and the development of standardized POCUS programs in the future.
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Affiliation(s)
- Jeong-Yong Lee
- Department of Pediatrics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
- Department of Radiology, Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Thomas W Conlon
- Department of Anesthesiology and Critical Care Medicine, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Maria V Fraga
- Division of Neonatology, Department of Pediatrics, Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Andrew J Bauer
- Division of Endocrinology and Diabetes, The Thyroid Center, Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Nilam J Soni
- Department of Medicine, Joe R. and Teresa Lozano Long School of Medicine, University of Texas Health San Antonio, San Antonio, Texas, USA
| | - Aaron E Chen
- Division of Emergency Medicine, Department of Pediatrics, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Summer L Kaplan
- Department of Radiology, Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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12
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Ning L, Zhu X, Li HC, Zhou SJ, Zhang QW, Zou HY, Mao QX, Yan H. A quantitative study of airway ultrasound in predicting difficult laryngoscopy: A prospective study. Chin J Traumatol 2023; 26:351-356. [PMID: 37838578 PMCID: PMC10755766 DOI: 10.1016/j.cjtee.2023.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 06/27/2023] [Accepted: 07/11/2023] [Indexed: 10/16/2023] Open
Abstract
PURPOSE As common clinical screening tests cannot effectively predict a difficult airway, and unanticipated difficult laryngoscopy remains a challenge for physicians. We herein used ultrasound to develop some point-of-care predictors for difficult laryngoscopy. METHODS This prospective observational study included 502 patients who underwent laryngoscopy and a detailed sonographic assessment. Patients under 18 years old, or with maxillofacial deformities or fractures, limited mouth opening, limited neck movement or history of neck surgery were excluded from the study. Laryngoscopic views of all patients were scored and grouping using the modified Cormack-Lehane (CL) scoring system. The measurements acquired comprised tongue width, the longitudinal cross-sectional area of the tongue, tongue volume, the mandible-hyoid bone distance, the hyoid bone-glottis distance, the mandible-hyoid bone-glottis angle, the skin-thyrohyoid membrane distance, the glottis-superior edge of the thyroid cartilage distance (DGTC), the skin-hyoid bone distance, and the epiglottis midway-skin distance. ANOVA and Chi-square were used to compare differences between groups. Logistic regression was used to identify risk factors for difficult laryngoscopy and it was visualized by receiver operating characteristic curves and nomogram. R version 3.6.3 and SPSS version 26.0 were used for statistical analyses. RESULTS Difficult laryngoscopy was indicated in 49 patients (CL grade Ⅲ - Ⅳ) and easy laryngoscopy in 453 patients (CL grade Ⅰ - Ⅱ). The ultrasound-measured mandible-hyoid bone-glottis angle and DGTC significantly differed between the 2 groups (p < 0.001). Difficult laryngoscopy was predicted by an area under the curve (AUC) of 0.930 with a threshold mandible-hyoid bone-glottis angle of 125.5° and by an AUC of 0.722 with a threshold DGTC of 1.22 cm. The longitudinal cross-sectional area of the tongue, tongue width, tongue volume, the mandible-hyoid distance, and the hyoid-glottis distance did not significantly differ between the groups. CONCLUSION Difficult laryngoscopy may be anticipated in patients in whom the mandible-hyoid bone-glottis angle is smaller than 125.5° or DGTC is larger than 1.22 cm.
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Affiliation(s)
- Lin Ning
- Department of Anaesthesiology, Army Medical Center of PLA, Daping Hospital of Army Medical University, Chongqing, China
| | - Xing Zhu
- Laboratory of Anaesthesia Center, Army Medical Center of PLA, Daping Hospital of Army Medical University, Chongqing, China
| | - Hong-Chao Li
- Department of Anaesthesiology, Army Medical Center of PLA, Daping Hospital of Army Medical University, Chongqing, China
| | - Shi-Jie Zhou
- Department of Anaesthesiology, Army Medical Center of PLA, Daping Hospital of Army Medical University, Chongqing, China
| | - Qi-Wei Zhang
- Department of Anaesthesiology, Army Medical Center of PLA, Daping Hospital of Army Medical University, Chongqing, China
| | - Hong-Yu Zou
- Department of Anaesthesiology, Army Medical Center of PLA, Daping Hospital of Army Medical University, Chongqing, China
| | - Qing-Xiang Mao
- Anaesthesia Center, Army Medical Center of PLA, Daping Hospital of Army Medical University, Chongqing, China
| | - Hong Yan
- Department of Anaesthesiology, Army Medical Center of PLA, Daping Hospital of Army Medical University, Chongqing, China.
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13
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Wu L, Zhang H, Deng L, Chen C. Usage of point-of-care ultrasound to assess and predict glottic stenosis during emergency surgery: A case report. Asian J Surg 2023; 46:4783-4784. [PMID: 37268467 DOI: 10.1016/j.asjsur.2023.05.092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 05/19/2023] [Indexed: 06/04/2023] Open
Affiliation(s)
- Lining Wu
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China; The Research Units of West China(2018RU012), Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Huayuan Zhang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China; The Research Units of West China(2018RU012), Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Liyun Deng
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China; The Research Units of West China(2018RU012), Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Chan Chen
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China; The Research Units of West China(2018RU012), Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
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14
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Chemtob EV, Lin DH, Lee E, Heinz ER. Utilization of submandibular ultrasound in assessing upper airway changes following the administration of propofol. J Anaesthesiol Clin Pharmacol 2023; 39:583-586. [PMID: 38269166 PMCID: PMC10805214 DOI: 10.4103/joacp.joacp_113_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/30/2022] [Accepted: 05/09/2022] [Indexed: 01/26/2024] Open
Abstract
Background and Aims Our study aimed to use submandibular ultrasound to measure upper airway parameters before and after induction dose of propofol in order to further understand upper airway changes that occur during induction of anesthesia. Measuring the changes that occur in airway anatomy due to the hypotonic effects of induction agents will allow for a deeper understanding of airway management. Material and Methods We enrolled 39 patients between November 2021 and January 2022. Submandibular ultrasound was used to measure tongue thickness, geniohyoid muscle thickness, the distance between the lingual arteries (DLA), lateral pharyngeal wall thickness, and hyomental distance before and after administration of induction doses of the commonly used, sedative-hypnotic agent, propofol. Results The mean DLA increased significantly after propofol administration, from 3.62 ± 0.63 cm to 3.79 ± 0.56 cm (P < 0.001). The mean tongue thickness was 4.89 ± 0.51 cm and decreased significantly to a mean of 4.62 ± 0.50 cm after propofol administration (P < 0.001). The change in DLA measurements after propofol administration decreased significantly as STOP-BANG score increased (r = -0.344, P = 0.037). However, DLA measurements when patients were awake increased significantly with an increase in the STOP-BANG score (r = 0.351, P = 0.031). Conclusion These findings suggest that propofol widens and flattens the tongue, which are changes that may contribute to difficult airway management. Given the quick and non-invasive nature of ultrasound, further studies should evaluate the role of submandibular ultrasound for understanding the upper airway and airway management in various populations.
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Affiliation(s)
- Erica V. Chemtob
- School of Medicine and Health Sciences, The George Washington University, Washington, DC, United States
| | - Dora H. Lin
- Department of Anesthesiology and Critical Care Medicine, George Washington School of Medicine and Health Sciences, Washington, DC, United States
- Carle Illinois College of Medicine, University of Illinois, Urbana, IL, United States
| | - Esther Lee
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, California, United States
| | - Eric R. Heinz
- Department of Anesthesiology and Critical Care Medicine, George Washington School of Medicine and Health Sciences, Washington, DC, United States
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15
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Karlas T, Blank V, Trenker C, Ignee A, Dietrich CF. [Ultrasound systems for abdominal diagnostics - current methods, clinical applications and new technologies]. ZEITSCHRIFT FUR GASTROENTEROLOGIE 2023; 61:1235-1245. [PMID: 36634681 DOI: 10.1055/a-1993-5356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Abdominal ultrasound is the method of first choice in many clinical situations. Gray scale imaging (B-mode) and conventional Doppler techniques are nowadays complemented by contrast-enhanced ultrasound (CEUS), elastography, fat quantification and further technologies which allow multimodal characterization of organs and tissue structure using panoramic imaging, 3D-techniques and image fusion. The development of small portable devices augments the spectrum for sonographic diagnostics. In this review, we describe the current status of ultrasound technology based on published evidence. In addition, we provide guidance for quality assurance.
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Affiliation(s)
- Thomas Karlas
- Medizinischen Klinik 2, Bereich Gastroenterologie, Universitätsklinikum Leipzig, Leipzig, Germany
| | - Valentin Blank
- Medizinischen Klinik 2, Bereich Gastroenterologie, Universitätsklinikum Leipzig, Leipzig, Germany
- Klinik für Innere Medizin I (Gastroenterologie, Pneumologie) und Interdisziplinäre Ultraschallabteilung, Universitätsklinikum Halle (Saale), Halle, Germany
| | - Corinna Trenker
- Klinik für Hämatologie, Onkologie und Immunologie, Universitätsklinikum Marburg, Marburg, Germany
| | - André Ignee
- Medizinische Klinik mit Schwerpunkt Gastroenterologie & Rheumatologie, Klinikum Würzburg Mitte gGmbH Standort Juliusspital, Wurzburg, Germany
| | - Christoph F Dietrich
- Allgemeine Innere Medizin (DAIM), Kliniken Hirslanden Beau Site, Salem und Permanence, Bern, Switzerland
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16
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Khorsand S, Chin J, Rice J, Bughrara N, Myatra SN, Karamchandani K. Role of Point-of-Care Ultrasound in Emergency Airway Management Outside the Operating Room. Anesth Analg 2023; 137:124-136. [PMID: 36693019 DOI: 10.1213/ane.0000000000006371] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Tracheal intubation is one of the most frequently performed procedures in critically ill patients, and is associated with significant morbidity and mortality. Hemodynamic instability and cardiovascular collapse are common complications associated with the procedure, and are likely in patients with a physiologically difficult airway. Bedside point-of-care ultrasound (POCUS) can help identify patients with high risk of cardiovascular collapse, provide opportunity for hemodynamic and respiratory optimization, and help tailor airway management plans to meet individual patient needs. This review discusses the role of POCUS in emergency airway management, provides an algorithm to facilitate its incorporation into existing practice, and provides a framework for future studies.
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Affiliation(s)
- Sarah Khorsand
- From the Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Jeanette Chin
- From the Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Jake Rice
- From the Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Nibras Bughrara
- Department of Anesthesiology and Critical Care Medicine, Albany Medical College, Albany, New York
| | - Sheila N Myatra
- Department of Anesthesiology, Critical Care and Pain, Tata Memorial Hospital, Homi-Bhabha National Institute, Mumbai, India
| | - Kunal Karamchandani
- From the Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas
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Tian Y, Fei Y, Bai B, Cui X, Zhang Y, Wang C, Yu C, Huang Y. Developing a magnetic POCUS-guided bronchoscope for patients with suspected difficult endotracheal intubation in a general tertiary hospital: protocol for a randomised controlled study. BMJ Open 2023; 13:e071325. [PMID: 37369409 PMCID: PMC10410925 DOI: 10.1136/bmjopen-2022-071325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
INTRODUCTION Endotracheal intubation (ETI) is a crucial but risky procedure, especially among patients suspected of difficult endotracheal intubation (DTI). Bronchoscope, as an improved technique commonly used in DTI, might encounter visualisation difficulties. The magnetic point-of-care ultrasound (MGPOCUS) provides a novel visualisation from the outside and enables estimation of the relative position and trajectory of the bronchoscope. The purpose of the study was to evaluate the efficiency of MGPOCUS-guided bronchoscopy, including the time required for successful ETI, the first attempt and overall success rate, the number of attempts, complications, and satisfaction with the visualization of the procedures. METHODS AND ANALYSIS The study is a randomised, parallel-group, single-blinded, single-centre study. Participants (n=108) will be recruited by the primary anaesthesiologist and randomised to groups of ETI with bronchoscope or MGPOCUS-guided bronchoscope. The primary outcome is the time taken to the first-attempt success ETI. Secondary outcomes include procedure time, the first-attempt and overall success, complications, and satisfaction of visualisation. Cox regression with Bonferroni correction and linear mixed regression will be used to analyse the outcomes. ETHICS AND DISSEMINATION The trial protocol was approved by the ethics committees at the Peking Union Medical College Hospital (Institutional Review Board #ZS-3428). Findings will be disseminated through conference presentations and peer-reviewed journals. TRIAL REGISTRATION NUMBER NCT05647174.
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Affiliation(s)
- Yuan Tian
- Department of Anesthesiology, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Yuda Fei
- Department of Anesthesiology, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Bing Bai
- Department of Anesthesiology, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Xulei Cui
- Department of Anesthesiology, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Yuelun Zhang
- Medical Research Center, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Chunrong Wang
- Department of Anesthesiology, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Chunhua Yu
- Department of Anesthesiology, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, People's Republic of China
| | - Yuguang Huang
- Department of Anesthesiology, Chinese Academy of Medical Sciences and Peking Union Medical College Hospital, Beijing, People's Republic of China
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18
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Deng M, Wang M, Zhang Q, Jiang B, Yan L, Bian Y, Hou G. Point-of-care ultrasound-guided submucosal paclitaxel injection in tracheal stenosis model. J Transl Int Med 2023; 11:70-80. [PMID: 37533845 PMCID: PMC10393055 DOI: 10.2478/jtim-2022-0044] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023] Open
Abstract
Background and Objectives Transcutaneous point-of-care ultrasound (POCUS) is a good tool to monitor the trachea in many clinical practices. The aim of our study is to verify the feasibility of POCUS-guided submucosal injection as a potential drug delivery method for the treatment of tracheal stenosis. Materials and methods The inner wall of the trachea was monitored via a bronchoscope during the POCUS-guided submucosal injection of methylene blue in fresh ex vivo porcine trachea to evaluate the distribution of methylene blue. The feasibility and eficacy of POCUS-guided submucosal injection were evaluated in a tracheal stenosis rabbit model. Animals were divided into sham group, tracheal stenosis group, and treatment group. Ten days after the scraping of the tracheal mucosa or sham operation, POCUS-guided submucosal injection of paclitaxel or saline was performed. Seven days after the submucosal injection, the trachea was assessed by cervical computed tomography (CT) scan and ultrasound. Results The distribution of methylene blue in trachea proved the technical feasibility of POCUS-guided submucosal injection. CT evaluation revealed that the tracheal stenosis index and the degree of tracheal stenosis increased significantly in the stenosis group, while POCUS-guided submucosal injection of paclitaxel partially reversed the tracheal stenosis. POCUS-guided submucosal injection of paclitaxel also decreased the lamina propria thickness and collagen deposition in the stenosed trachea. Conclusion POCUS-guided submucosal paclitaxel injection alleviated tracheal stenosis induced by scraping of the tracheal mucosa. POCUS-guided submucosal injection might be a potential method for the treatment of tracheal stenosis.
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Affiliation(s)
- Mingming Deng
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing100029, China
| | - Mengchan Wang
- Department of Respiratory and Critical Care Medicine, First Hospital of China Medical University, Shenyang110002, Liaoning Province, China
| | - Qin Zhang
- Department of Respiratory and Critical Care Medicine, First Hospital of China Medical University, Shenyang110002, Liaoning Province, China
| | - Bin Jiang
- Department of Ultrasound, First Hospital of China Medical University, Shenyang110002, Liaoning Province, China
| | - Liming Yan
- Department of Respiratory and Critical Care Medicine, Fourth Hospital of China Medical University, Shenyang110033, Liaoning Province, China
| | - Yiding Bian
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing100029, China
| | - Gang Hou
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing100029, China
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19
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Haskings EM, Eissa M, Allard RV, MirGhassemi A, McFaul CM, Miller EC. Point-of-care ultrasound use in emergencies: what every anaesthetist should know. Anaesthesia 2023; 78:105-118. [PMID: 36449358 DOI: 10.1111/anae.15910] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/21/2022] [Indexed: 12/05/2022]
Abstract
Point-of-care ultrasound has been embraced by anaesthetists as an invaluable tool for rapid diagnosis of haemodynamic instability, to ensure procedural safety and monitor response to treatments. Increasingly available, affordable and portable, with emerging evidence of improved patient outcomes, point-of-care ultrasound has become a valuable tool in the emergency setting. This state-of-the-art review describes the feasibility of point-of-care ultrasound practice, training and maintenance of competence. It also describes the many uses of point-of-care ultrasound for the anaesthetist and describes the most salient point-of-care ultrasound views for anaesthetic emergencies including: undifferentiated shock; hypoxemia; and trauma. Procedural safety is also discussed in addition to relevant important governance aspects. Cardiac function should be assessed using the parasternal long axis, parasternal short basal/mid-papillary/apical, apical four chamber and subcostal four chamber views, and should include a visual estimation of global left ventricular ejection fraction. Other cardiovascular conditions that can be identified using point-of-care ultrasound include: pericardial effusion; cardiac tamponade; and pulmonary embolism. Pulmonary emergency conditions that can be diagnosed using point-of-care ultrasound include pneumothorax; pleural effusion; and interstitial syndrome. The extended focused assessment with sonography for trauma examination may of value in patients who are hypotensive in order to identify intra-abdominal haemorrhage, pneumothoraces and haemothoraces.
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Affiliation(s)
- E M Haskings
- Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa, ON, Canada
| | - M Eissa
- Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa, ON, Canada
| | - R V Allard
- Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa, ON, Canada.,The Ottawa Hospital, Ottawa, ON, Canada
| | - A MirGhassemi
- Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa, ON, Canada.,The Ottawa Hospital, Ottawa, ON, Canada
| | - C M McFaul
- Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa, ON, Canada.,The Ottawa Hospital, Ottawa, ON, Canada
| | - E C Miller
- Department of Anesthesiology and Pain Medicine, University of Ottawa, Ottawa, ON, Canada.,The Ottawa Hospital, Ottawa, ON, Canada
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Vasconcelos Pereira A, Simões AV, Rego L, Pereira JG. New technologies in airway management: A review. Medicine (Baltimore) 2022; 101:e32084. [PMID: 36482552 PMCID: PMC9726337 DOI: 10.1097/md.0000000000032084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The evolution of medical knowledge and technological growth have contributed to the development of different techniques and devices for airway management. These appear to play a role in optimizing the number of attempts and overall success, ultimately reducing the negative consequences of airway manipulation. In this literature review, we highlight the recent evidence regarding new technologies applied to airway management. Before intubation, every patient should have an individualized structured airway management plan. Technology can help with both airway evaluation and tracheal intubation. Point-of-care cervical ultrasound and artificial intelligence models with automated facial analysis have been used to predict difficult airways. Various devices can be used in airway management. This includes a robotic video endoscope that guides intubation based on real image recognition, a laryngeal mask with a non-inflatable cuff that tries to reduce local complications, video laryngeal masks that are able to confirm the correct position and facilitate intubation, Viescope™, a videolaryngoscope developed for combat medicine with a unique circular blade, a system that uses cervical transillumination for glottis identification in difficult airways and Vivasight SL™ tracheal tube, which has a high-resolution camera at its tip guaranteeing visual assurance of tube position as well as guiding bronchial blocker position. To conclude, we detailed the challenges in airway management outside the operating room as well as described suction-assisted laryngoscopy and airway decontamination technique for contaminated airways. Further research in the clinical setting is recommended to better support the use of these technologies.
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Affiliation(s)
- Ana Vasconcelos Pereira
- Anesthesiology Department, Hospital de Vila Franca de Xira, Vila Franca DE Xira, Portugal
- * Correspondence: Ana Vasconcelos Pereira, Department of Anesthesiology, Hospital Vila Franca de Xira, Estrada Carlos Lima Costa Nº 2, Povos 2600-009 - Vila Franca DE Xira, Portugal (e-mail: )
| | - André Vicente Simões
- Intensive Care Department, Hospital de Vila Franca de Xira, Vila Franca DE Xira, Portugal
| | - Luísa Rego
- Anesthesiology Department, Hospital de Vila Franca de Xira, Vila Franca DE Xira, Portugal
| | - João Gonçalves Pereira
- Intensive Care Department, Hospital de Vila Franca de Xira, Vila Franca DE Xira, Portugal
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21
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Wang X, Wang Y, Zheng ZW, Liu YR, Ma WH. Ultrasound measurements for evaluation of changes in upper airway during anaesthesia induction and prediction difficult laryngoscopy: a prospective observational study. Sci Rep 2022; 12:18564. [PMID: 36329088 PMCID: PMC9633761 DOI: 10.1038/s41598-022-21695-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 09/30/2022] [Indexed: 11/06/2022] Open
Abstract
Upper airway collapsibility after anaesthesia induction may be associated with unpredictable difficult airway. However, most works on airway anatomy are tended to morphological description before anaesthesia. This study aimed to evaluate the changes of upper airway after anaesthesia induction and using pre-anesthetic ultrasound measurements to predict Difficult Laryngoscopy (DL). We included 104 eligible subjects with complete data, who were performed tracheal intubations under general anaesthesia in the study. The upper airway changes before and after anaesthesia induction were determined by seven neck ultrasound measurements, included as follow: (1) Distance from skin to under surface of Tongue (DT), (2) Thickness of the thickest part of Tongue body (TT), (3) Hyoid Mental Distance (HMD), (4) Depth of Hyoid (DH), (5) Width of Hyoid (WH), (6) Distance from Skin to Epiglottis (DSE), (7) Depth of the anterior combination of the Vocal Cords (DVC). DL was evaluated with Cormack-Lehane (CL). Data regarding HMD [from 45.3 (42.4-48.5) to 41.1 (38.5-44.9) mm], DH [from 8.7 (6.6-10.9) to 7.0 (5.3-9.1) mm], DSE [from 20.1 (16.6-22.5) to 19.5 (16.5-21.6) mm] and the DVC [from 7.1 (5.7-8.3) to 6.8 (5.7-7.9) mm] were decreased (P < 0.05), while the DT [from 15.9 (13.1-18.4) to 17.4 (14.5-19.8) mm] was increased (P > 0.05) after anaesthesia induction. Additionally, when cut-off value of DSE was 21.25 mm before anaesthesia, it may be better predicted to DL [sensitivity 80.0% (95% CI: 60.7-91.6%) and specificity 83.8% (95% CI: 73.0-91.0%)]. The upper airway after induction showed the propensity of collapsibility by ultrasound measurements. Compared with other indicators, the DSE assessed by ultrasound might be considered to a valuable predictor of DL.Trial registration: The study was registered in ClinicalTrials.gov on 23th Jan 2019, ChiCTR1900021123.
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Affiliation(s)
- Xia Wang
- First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yong Wang
- Department of Anaesthesia, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhen-Wei Zheng
- Department of Anaesthesiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Yu-Rui Liu
- First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wu-Hua Ma
- Department of Anaesthesia, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
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22
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Tankard KA, Sharifpour M, Chang MG, Bittner EA. Design and Implementation of Airway Response Teams to Improve the Practice of Emergency Airway Management. J Clin Med 2022; 11:6336. [PMID: 36362564 PMCID: PMC9656324 DOI: 10.3390/jcm11216336] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/16/2022] [Accepted: 10/18/2022] [Indexed: 09/11/2023] Open
Abstract
Emergency airway management (EAM) is a commonly performed procedure in the critical care setting. Despite clinical advances that help practitioners identify patients at risk for having a difficult airway, improved airway management tools, and algorithms that guide clinical decision-making, the practice of EAM is associated with significant morbidity and mortality. Evidence suggests that a dedicated airway response team (ART) can help mitigate the risks associated with EAM and provide a framework for airway management in acute settings. We review the risks and challenges related to EAM and describe strategies to improve patient care and outcomes via implementation of an ART.
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Affiliation(s)
- Kelly A. Tankard
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Milad Sharifpour
- Department of Cardiac Surgery, Cedars-Sinai Medical Center, Smidt Heart Institute, Los Angeles, CA 90048, USA
| | - Marvin G. Chang
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Edward A. Bittner
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
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The value of multiparameter combinations for predicting difficult airways by ultrasound. BMC Anesthesiol 2022; 22:311. [PMID: 36199026 PMCID: PMC9533522 DOI: 10.1186/s12871-022-01840-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 09/08/2022] [Indexed: 11/10/2022] Open
Abstract
Background Based on the upper airway anatomy and joint function parameters examined by ultrasound, a multiparameter ultrasound model for difficult airway assessment (ultrasound model) was established, and we evaluated its ability to predict difficult airways. Methods A prospective case-cohort study of difficult airway prediction in adult patients undergoing elective surgery with endotracheal intubation under general anesthesia, and ultrasound phantom examination for difficult airway assessment before anesthesia, including hyomental distance, tongue thickness, mandibular condylar mobility, mouth opening, thyromental distance, and modified Mallampati tests, was performed. Receiver operating characteristic (ROC) curve analysis was used to evaluate the effectiveness of the ultrasound model and conventional airway assessment methods in predicting difficult airways. Results We successfully enrolled 1000 patients, including 51 with difficult laryngoscopy (DL) and 26 with difficult tracheal intubation (DTI). The area under the ROC curve (AUC) for the ultrasound model to predict DL was 0.84 (95% confidence interval [CI]: 0.82–0.87), and the sensitivity and specificity were 0.75 (95% CI: 0.60–0.86) and 0.82 (95% CI: 0.79–0.84), respectively. The AUC for predicting DTI was 0.89 (95% CI: 0.87–0.91), and the sensitivity and specificity were 0.85 (95% CI: 0.65–0.96) and 0.81 (95% CI: 0.78–0.83), respectively. Compared with mouth opening, thyromental distance, and modified Mallampati tests, the ultrasound model predicted a greater AUC for DL (P < 0.05). Compared with mouth opening and modified Mallampati tests, the ultrasound model predicted a greater AUC for DTI (P < 0.05). Conclusions The ultrasound model has good predictive performance for difficult airways. Trial registration This study is registered on chictr.org.cn (ChiCTR-ROC-17013258); principal investigator: Jianling Xu; registration date: 06/11/2017). Supplementary Information The online version contains supplementary material available at 10.1186/s12871-022-01840-0.
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Datta R, Kurdi MS, Bajwa SJS. One nation, one roof, one set of preoperative investigations……The guidelines overcoming a diverse demography! Indian J Anaesth 2022; 66:315-318. [PMID: 35782662 PMCID: PMC9241191 DOI: 10.4103/ija.ija_410_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 05/11/2022] [Accepted: 05/11/2022] [Indexed: 11/04/2022] Open
Affiliation(s)
- Rashmi Datta
- Department of Emergency Medicine, Hamdard Institute of Medical Sciences and Research, Hakeem Abdul Hameed Centenary Hospital, New Delhi, India
| | - Madhuri S. Kurdi
- Department of Anaesthesiology, Karnataka Institute of Medical Sciences (KIMS), Hubli, Karnataka, India
| | - Sukhminder Jit Singh Bajwa
- Department of Anaesthesiology and Intensive Care, Gian Sagar Medical College and Hospital, Banur, Patiala, Punjab, India
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25
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What is new in airway management. J Clin Monit Comput 2022; 36:301-304. [PMID: 35262837 PMCID: PMC8904714 DOI: 10.1007/s10877-022-00839-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 03/01/2022] [Indexed: 11/16/2022]
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26
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Phillips V, Ferreira J. Benefits of incorporating point of care ultrasound in the anaesthetic management of a dog requiring surgical correction of traumatic zygomatic fracture causing pseudoankylosis and severe dental malocclusion. VETERINARY RECORD CASE REPORTS 2022. [DOI: 10.1002/vrc2.311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Wang B, Yao W, Xue Q, Wang M, Xu J, Chen Y, Zhang Y. Nomograms for predicting difficult airway based on ultrasound assessment. BMC Anesthesiol 2022; 22:23. [PMID: 35026991 PMCID: PMC8756724 DOI: 10.1186/s12871-022-01567-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 01/07/2022] [Indexed: 12/08/2022] Open
Abstract
Background Accurate prediction of the difficult airway (DA) could help to prevent catastrophic consequences in emergency resuscitation, intensive care, and general anesthesia. Until now, there is no nomogram prediction model for DA based on ultrasound assessment. In this study, we aimed to develop a predictive model for difficult tracheal intubation (DTI) and difficult laryngoscopy (DL) using nomogram based on ultrasound measurement. We hypothesized that nomogram could utilize multivariate data to predict DTI and DL. Methods A prospective observational DA study was designed. This study included 2254 patients underwent tracheal intubation. Common and airway ultrasound indicators were used for the prediction, including thyromental distance (TMD), modified Mallampati test (MMT) score, upper lip bite test (ULBT) score temporomandibular joint (TMJ) mobility and tongue thickness (TT). Univariate and the Akaike information criterion (AIC) stepwise logistic regression were used to identify independent predictors of DTI and DL. Nomograms were constructed to predict DL and DTL based on the AIC stepwise analysis results. Receiver operating characteristic (ROC) curves were used to evaluate the accuracy of the nomograms. Results Among the 2254 patients enrolled in this study, 142 (6.30%) patients had DL and 51 (2.26%) patients had DTI. After AIC stepwise analysis, ULBT, MMT, sex, TMJ, age, BMI, TMD, IID, and TT were integrated for DL nomogram; ULBT, TMJ, age, IID, TT were integrated for DTI nomogram. The areas under the ROC curves were 0.933 [95% confidence interval (CI), 0.912–0.954] and 0.974 (95% CI, 0.954–0.995) for DL and DTI, respectively. Conclusion Nomograms based on airway ultrasonography could be a reliable tool in predicting DA. Trial registration Chinese Clinical Trial Registry (No. ChiCTR-RCS-14004539), registered on 13th April 2014. Supplementary Information The online version contains supplementary material available at 10.1186/s12871-022-01567-y.
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Affiliation(s)
- Bin Wang
- Department of Anesthesiology, The Second Affiliated Hospital of Anhui Medical University, 678# Furong Road, Hefei, Anhui Province, China.,Department of Anesthesiology, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, Wuhu, China
| | - Weidong Yao
- Department of Anesthesiology, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, Wuhu, China
| | - Qi Xue
- Department of Anesthesiology, The Second Affiliated Hospital of Anhui Medical University, 678# Furong Road, Hefei, Anhui Province, China
| | - Mingfang Wang
- Department of Anesthesiology, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, Wuhu, China
| | - Jianling Xu
- Department of Anesthesiology, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, Wuhu, China
| | - Yongquan Chen
- Department of Anesthesiology, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, Wuhu, China
| | - Ye Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Anhui Medical University, 678# Furong Road, Hefei, Anhui Province, China.
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Affiliation(s)
- José L Díaz-Gómez
- From the Baylor College of Medicine, Houston (J.L.D.-G.); and the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead (P.H.M.), and the Albert Einstein College of Medicine, New York (S.J.K.) - both in New York
| | - Paul H Mayo
- From the Baylor College of Medicine, Houston (J.L.D.-G.); and the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead (P.H.M.), and the Albert Einstein College of Medicine, New York (S.J.K.) - both in New York
| | - Seth J Koenig
- From the Baylor College of Medicine, Houston (J.L.D.-G.); and the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead (P.H.M.), and the Albert Einstein College of Medicine, New York (S.J.K.) - both in New York
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