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O'Leary F. How to deliver effective paediatric simulation based education. Paediatr Respir Rev 2024; 51:10-18. [PMID: 39179445 DOI: 10.1016/j.prrv.2024.05.001] [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: 05/08/2024] [Accepted: 05/08/2024] [Indexed: 08/26/2024]
Abstract
Simulation based education (SBE) is an educational tool increasingly used in the approach to the initial and ongoing education of healthcare professionals. Like all education tools, SBE needs to be used appropriately to achieve the desired outcomes. Using Cognitive Load Theory (CLT) in the instructional design of simulations is essential to maximise participant learning by reducing extraneous load and optimising intrinsic load. Educators can modify task fidelity, task complexity and instructional support to optimise learning. Specific methodologies can be used in program design such as rapid cycle deliberate practice, round the table teaching, low dose high frequency and flipped classroom. Fidelity and authenticity are important factors to consider when choosing design elements to ensure learner engagement, but not to overwhelm cognitive load. An integral part of SBE is the feedback or debriefing component. Several evidence-based methodologies can be employed to facilitate post simulation learning, including Debriefing with Good Judgement and PEARLS. Educators also need to consider faculty education and development, such as the discovery, growth and maturity model.
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Affiliation(s)
- Fenton O'Leary
- Department of Paediatric Emergency Medicine, The Children's Hospital at Westmead, Westmead, NSW, Australia; Clinical Associate Professor, The University of Sydney Children's Hospital Westmead Clinical School, Westmead, NSW, Australia.
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Amato F, Both CP, Alonso E, Wendel-Garcia PD, Diem B, Schneider C, Schmidt A, Kemper M, Schmitz A, Thomas J. Video Versus Nonvideo in a Rabbit Training Model for Establishing an Emergency Front of Neck Airway in Children: A Prospective Trial. Pediatr Emerg Care 2024:00006565-990000000-00498. [PMID: 39051988 DOI: 10.1097/pec.0000000000003248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
OBJECTIVES Simulating a realistic "cannot intubate, cannot oxygenate" (CICO) situation to train an "emergency front of neck airway" is difficult. It further remains unclear if provision of regular technical refreshers improves performance in the setting of a real CICO situation. The purpose of this prospective study on an established surgical rabbit cadaver tracheostomy model was to evaluate the benefit of viewing training material shortly before performing "emergency front of neck airway." METHODS Previously trained participants were randomized into 2 groups. The control group (video) was allowed to watch an instructional video before performing a tracheotomy on the training model, while the study group (nonvideo) was not. Queried outcomes included success rate, performance time, and severe secondary airway injuries between the 2 groups. RESULTS In 29 tracheotomies performed by 29 participants, the overall success rate was 86% (92% video; 81% nonvideo, P = 0.4). Performance time was not different between the 2 groups (video: 80 s [IQR25-75: 53-86], nonvideo 64 s [IQR25-75: 47-102]; P = 0.93). Only in the nonvideo group, the performance time and the time between the workshops correlated positively (P = 0.048). Severe secondary injuries were noted in 4 of 29 rabbit cadavers, 2 in each group. Watching a refresher video before performing an emergency surgical tracheostomy in an infant training model did not influence the success rate and the performance time in previously trained anesthetists. CONCLUSIONS These results highlight the ease of learning, memorization, and recall of this emergency surgical tracheostomy technique and may demonstrate its applicability in a real infant CICO situation.
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Affiliation(s)
- Francesca Amato
- From the Department of Anesthesiology, University Children's Hospital Zurich, Zurich, Switzerland
| | | | | | | | - Birgit Diem
- From the Department of Anesthesiology, University Children's Hospital Zurich, Zurich, Switzerland
| | - Celine Schneider
- Children's Research Centre, University Children's Hospital Zurich, Zurich, Switzerland
| | - Anna Schmidt
- From the Department of Anesthesiology, University Children's Hospital Zurich, Zurich, Switzerland
| | - Michael Kemper
- Department of Anesthesiology, University Hospital Aachen, Aachen, Germany
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Kaufmann J, Huber D, Engelhardt T, Kleine-Brueggeney M, Kranke P, Riva T, von Ungern-Sternberg BS, Fuchs A. [Airway management in neonates and infants : Recommendations according to the ESAIC/BJA guidelines]. DIE ANAESTHESIOLOGIE 2024; 73:473-481. [PMID: 38958671 PMCID: PMC11222175 DOI: 10.1007/s00101-024-01424-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
Securing an airway enables the oxygenation and ventilation of the lungs and is a potentially life-saving medical procedure. Adverse and critical events are common during airway management, particularly in neonates and infants. The multifactorial reasons for this include patient-dependent, user-dependent and also external factors. The recently published joint ESAIC/BJA international guidelines on airway management in neonates and infants are summarized with a focus on the clinical application. The original publication of the guidelines focussed on naming formal recommendations based on systematically documented evidence, whereas this summary focusses particularly on the practicability of their implementation.
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Affiliation(s)
- Jost Kaufmann
- Kinderkrankenhaus der Kliniken der Stadt Köln gGmbH, Amsterdamer Str. 59, 50735, Köln, Deutschland.
- Fakultät für Gesundheit, Universität Witten/Herdecke, Witten, Deutschland.
| | - Dennis Huber
- Universitätsklinik für Anästhesiologie und Schmerzmedizin, Inselspital, Universität Bern, Bern, Schweiz
| | - Thomas Engelhardt
- Department of Anesthesiology, Montreal Children's Hospital, McGill University, Montreal, QC, Kanada
| | - Maren Kleine-Brueggeney
- Klinik für Kardioanästhesiologie und Intensivmedizin, Deutsches Herzzentrum der Charité (DHZC), Berlin, Deutschland
- Charité - Universitätsmedizin Berlin, korporatives Mitglied der Freien Universität Berlin und Humboldt-Universität zu Berlin, Berlin, Deutschland
| | - Peter Kranke
- Klinik und Poliklinik für Anästhesiologie, Intensivmedizin, Notfallmedizin und Schmerztherapie, Universitätsklinikum Würzburg, Würzburg, Deutschland
| | - Thomas Riva
- Universitätsklinik für Anästhesiologie und Schmerzmedizin, Inselspital, Universität Bern, Bern, Schweiz
| | - Britta S von Ungern-Sternberg
- Department of Anaesthesia and Pain Medicine, Perth Children's Hospital, Perth, WA, Australien
- Division of Emergency Medicine, Anaesthesia and Pain Medicine, Medical School, The University of Western Australia, Perth, WA, Australien
- Institute for Paediatric Perioperative Excellence, The University of Western Australia, Perth, WA, Australien
- Perioperative Medicine Team, Perioperative Care Program, Telethon Kids Institute, Perth, WA, Australien
| | - Alexander Fuchs
- Universitätsklinik für Anästhesiologie und Schmerzmedizin, Inselspital, Universität Bern, Bern, Schweiz
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Haag AK, Tredese A, Bordini M, Fuchs A, Greif R, Matava C, Riva T, Scquizzato T, Disma N. Emergency front-of-neck access in pediatric anesthesia: A narrative review. Paediatr Anaesth 2024; 34:495-506. [PMID: 38462998 DOI: 10.1111/pan.14875] [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: 10/11/2023] [Revised: 01/14/2024] [Accepted: 02/22/2024] [Indexed: 03/12/2024]
Abstract
BACKGROUND AND OBJECTIVES Children undergoing airway management during general anesthesia may experience airway complications resulting in a rare but life-threatening situation known as "Can't Intubate, Can't Oxygenate". This situation requires immediate recognition, advanced airway management, and ultimately emergency front-of-neck access. The absence of standardized procedures, lack of readily available equipment, inadequate knowledge, and training often lead to failed emergency front-of-neck access, resulting in catastrophic outcomes. In this narrative review, we examined the latest evidence on emergency front-of-neck access in children. METHODS A comprehensive literature was performed the use of emergency front-of-neck access (eFONA) in infants and children. RESULTS Eighty-six papers were deemed relevant by abstract. Finally, eight studies regarding the eFONA technique and simulations in animal models were included. For all articles, their primary and secondary outcomes, their specific animal model, the experimental design, the target participants, and the equipment were reported. CONCLUSION Based on the available evidence, we propose a general approach to the eFONA technique and a guide for implementing local protocols and training. Additionally, we introduce the application of innovative tools such as 3D models, ultrasound, and artificial intelligence, which can improve the precision, safety, and training of this rare but critical procedure.
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Affiliation(s)
- Anna-Katharina Haag
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Alberto Tredese
- Unit for Research in Anesthesia, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Martina Bordini
- Department of Anaesthesia and Pain Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Alexander Fuchs
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Unit for Research in Anesthesia, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Robert Greif
- University of Bern, Bern, Switzerland
- School of Medicine, Sigmund Freud University Vienna, Vienna, Austria
| | - Clyde Matava
- Department of Anaesthesia and Pain Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Thomas Riva
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Tommaso Scquizzato
- Department of Anaesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Nicola Disma
- Unit for Research in Anesthesia, IRCCS Istituto Giannina Gaslini, Genova, Italy
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Riva T, Goerge S, Fuchs A, Greif R, Huber M, Lusardi AC, Riedel T, Ulmer FF, Disma N. Emergency front-of-neck access in infants: A pragmatic crossover randomized control trial comparing two approaches on a simulated rabbit model. Paediatr Anaesth 2024; 34:225-234. [PMID: 37950428 DOI: 10.1111/pan.14796] [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: 09/04/2023] [Revised: 10/20/2023] [Accepted: 10/25/2023] [Indexed: 11/12/2023]
Abstract
BACKGROUND Rapid-sequence tracheotomy and scalpel-bougie tracheotomy are two published approaches for establishing emergency front-of-neck access in infants. It is unknown whether there is a difference in performance times and success rates between the two approaches. AIMS The aim of this cross-over randomized control trial study was to investigate whether the two approaches were equivalent for establishing tracheal access in rabbit cadavers. The underlying hypothesis was that the time to achieve the tracheal access is the same with both techniques. METHODS Between May and September 2022, thirty physicians (pediatric anesthesiologists and intensivists) were randomized to perform front-of-neck access using one and then the other technique: rapid-sequence tracheotomy and scalpel-bougie tracheotomy. After watching training videos, each technique was practiced four times followed by a final tracheotomy during which study measurements were obtained. Based on existing data, an equivalence margin was set at ∆ = ±10 s for the duration of the procedure. The primary outcome was defined as the duration until tracheal tube placement was achieved successfully. Secondary outcomes included success rate, structural injuries, and subjective participant self-evaluation. RESULTS The median duration of the scalpel-bougie tracheotomy was 48 s (95% CI: 37-57), while the duration of the rapid-sequence tracheotomy was 59 s (95% CI: 49-66, p = .07). The difference in the median duration between the two approaches was 11 s (95% CI: -4.9 to 29). The overall success rate was 93.3% (95% CI: 83.8%-98.2%). The scalpel-bougie tracheotomy resulted in significantly fewer damaged tracheal rings and was preferred among participants. CONCLUSIONS The scalpel-bougie tracheotomy was slightly faster than the rapid-sequence tracheotomy and favored by participants, with fewer tracheal injuries. Therefore, we propose the scalpel-bougie tracheostomy as a rescue approach favoring the similarity to the adult approach for small children. The use of a comparable equipment kit for both children and adults facilitates standardization, performance, and logistics. TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT05499273.
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Affiliation(s)
- Thomas Riva
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Simon Goerge
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Alexander Fuchs
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Unit for Research in Anaesthesia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Robert Greif
- School of Medicine, Sigmund Freud University Vienna, Vienna, Austria
- University of Bern, Bern, Switzerland
| | - Markus Huber
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Andrea C Lusardi
- Unit for Research in Anaesthesia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Thomas Riedel
- Division of Pediatric Intensive Care Medicine, Department of Pediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Francis F Ulmer
- Division of Pediatric Intensive Care Medicine, Department of Pediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Nicola Disma
- Unit for Research in Anaesthesia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
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6
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Disma N, Asai T, Cools E, Cronin A, Engelhardt T, Fiadjoe J, Fuchs A, Garcia-Marcinkiewicz A, Habre W, Heath C, Johansen M, Kaufmann J, Kleine-Brueggeney M, Kovatsis PG, Kranke P, Lusardi AC, Matava C, Peyton J, Riva T, Romero CS, von Ungern-Sternberg B, Veyckemans F, Afshari A. Airway management in neonates and infants: European Society of Anaesthesiology and Intensive Care and British Journal of Anaesthesia joint guidelines. Br J Anaesth 2024; 132:124-144. [PMID: 38065762 DOI: 10.1016/j.bja.2023.08.040] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 08/30/2023] [Indexed: 01/05/2024] Open
Abstract
Airway management is required during general anaesthesia and is essential for life-threatening conditions such as cardiopulmonary resuscitation. Evidence from recent trials indicates a high incidence of critical events during airway management, especially in neonates or infants. It is important to define the optimal techniques and strategies for airway management in these groups. In this joint European Society of Anaesthesiology and Intensive Care (ESAIC) and British Journal of Anaesthesia (BJA) guideline on airway management in neonates and infants, we present aggregated and evidence-based recommendations to assist clinicians in providing safe and effective medical care. We identified seven main areas of interest for airway management: i) preoperative assessment and preparation; ii) medications; iii) techniques and algorithms; iv) identification and treatment of difficult airways; v) confirmation of tracheal intubation; vi) tracheal extubation, and vii) human factors. Based on these areas, Population, Intervention, Comparison, Outcomes (PICO) questions were derived that guided a structured literature search. GRADE (Grading of Recommendations, Assessment, Development and Evaluation) methodology was used to formulate the recommendations based on those studies included with consideration of their methodological quality (strong '1' or weak '2' recommendation with high 'A', medium 'B' or low 'C' quality of evidence). In summary, we recommend: 1. Use medical history and physical examination to predict difficult airway management (1C). 2. Ensure adequate level of sedation or general anaesthesia during airway management (1B). 3. Administer neuromuscular blocker before tracheal intubation when spontaneous breathing is not necessary (1C). 4. Use a videolaryngoscope with an age-adapted standard blade as first choice for tracheal intubation (1B). 5. Apply apnoeic oxygenation during tracheal intubation in neonates (1B). 6. Consider a supraglottic airway for rescue oxygenation and ventilation when tracheal intubation fails (1B). 7. Limit the number of tracheal intubation attempts (1C). 8. Use a stylet to reinforce and preshape tracheal tubes when hyperangulated videolaryngoscope blades are used and when the larynx is anatomically anterior (1C). 9. Verify intubation is successful with clinical assessment and end-tidal CO2 waveform (1C). 10. Apply high-flow nasal oxygenation, continuous positive airway pressure or nasal intermittent positive pressure ventilation for postextubation respiratory support, when appropriate (1B).
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Affiliation(s)
- Nicola Disma
- Unit for Research in Anaesthesia, IRCCS Istituto Giannina Gaslini, Genoa, Italy.
| | - Takashi Asai
- Department of Anesthesiology, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
| | - Evelien Cools
- Department of Anaesthesiology, Pharmacology, Intensive Care and Emergency Medicine, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
| | | | - Thomas Engelhardt
- Department of Anaesthesia, Montreal Children's Hospital, McGill University Health Centre, Montréal, QC, Canada
| | - John Fiadjoe
- Department of Anaesthesiology, Critical Care, and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Alexander Fuchs
- Unit for Research in Anaesthesia, IRCCS Istituto Giannina Gaslini, Genoa, Italy; Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Annery Garcia-Marcinkiewicz
- Department of Anaesthesiology and Critical Care Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Walid Habre
- Department of Anaesthesiology, Pharmacology, Intensive Care and Emergency Medicine, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
| | - Chloe Heath
- Department of Anaesthesia and Pain Management, Starship Children's Hospital, Auckland, New Zealand; Perioperative Medicine Team, Perioperative Care Program, Telethon Kids Institute, Perth, WA, Australia
| | - Mathias Johansen
- Department of Anaesthesia, Montreal Children's Hospital, McGill University Health Centre, Montréal, QC, Canada
| | - Jost Kaufmann
- Department for Pediatric Anesthesia, Children's Hospital Cologne, Cologne, Germany; Faculty for Health, University of Witten/Herdecke, Witten, Germany
| | - Maren Kleine-Brueggeney
- Department of Cardiac Anaesthesiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité (DHZC) and Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Pete G Kovatsis
- Department of Anaesthesiology, Critical Care, and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Peter Kranke
- Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Würzburg, Würzburg, Germany
| | - Andrea C Lusardi
- Unit for Research in Anaesthesia, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Clyde Matava
- Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, Toronto, ON, Canada
| | - James Peyton
- Department of Anaesthesiology, Critical Care, and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Thomas Riva
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Carolina S Romero
- Department of Anesthesia and Critical Care, Consorcio Hospital General Universitario de Valencia, Methodology Department, Universidad Europea de Valencia, Valencia, Spain
| | - Britta von Ungern-Sternberg
- Perioperative Medicine Team, Perioperative Care Program, Telethon Kids Institute, Perth, WA, Australia; Department of Anaesthesia and Pain Management, Perth Children's Hospital, Perth, WA, Australia; Division of Emergency Medicine, Anaesthesia and Pain Medicine, Medical School, The University of Western Australia, Perth, WA, Australia
| | | | - Arash Afshari
- Department of Paediatric and Obstetric Anaesthesia, Copenhagen University Hospital, Rigshospitalet & Department of Clinical Medicine, Copenhagen University, Copenhagen, Denmark
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Disma N, Asai T, Cools E, Cronin A, Engelhardt T, Fiadjoe J, Fuchs A, Garcia-Marcinkiewicz A, Habre W, Heath C, Johansen M, Kaufmann J, Kleine-Brueggeney M, Kovatsis PG, Kranke P, Lusardi AC, Matava C, Peyton J, Riva T, Romero CS, von Ungern-Sternberg B, Veyckemans F, Afshari A. Airway management in neonates and infants: European Society of Anaesthesiology and Intensive Care and British Journal of Anaesthesia joint guidelines. Eur J Anaesthesiol 2024; 41:3-23. [PMID: 38018248 PMCID: PMC10720842 DOI: 10.1097/eja.0000000000001928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Airway management is required during general anaesthesia and is essential for life-threatening conditions such as cardiopulmonary resuscitation. Evidence from recent trials indicates a high incidence of critical events during airway management, especially in neonates or infants. It is important to define the optimal techniques and strategies for airway management in these groups. In this joint European Society of Anaesthesiology and Intensive Care (ESAIC) and British Journal of Anaesthesia (BJA) guideline on airway management in neonates and infants, we present aggregated and evidence-based recommendations to assist clinicians in providing safe and effective medical care. We identified seven main areas of interest for airway management: i) preoperative assessment and preparation; ii) medications; iii) techniques and algorithms; iv) identification and treatment of difficult airways; v) confirmation of tracheal intubation; vi) tracheal extubation, and vii) human factors. Based on these areas, Population, Intervention, Comparison, Outcomes (PICO) questions were derived that guided a structured literature search. GRADE (Grading of Recommendations, Assessment, Development and Evaluation) methodology was used to formulate the recommendations based on those studies included with consideration of their methodological quality (strong '1' or weak '2' recommendation with high 'A', medium 'B' or low 'C' quality of evidence). In summary, we recommend: 1. Use medical history and physical examination to predict difficult airway management (1С). 2. Ensure adequate level of sedation or general anaesthesia during airway management (1B). 3. Administer neuromuscular blocker before tracheal intubation when spontaneous breathing is not necessary (1С). 4. Use a videolaryngoscope with an age-adapted standard blade as first choice for tracheal intubation (1B). 5. Apply apnoeic oxygenation during tracheal intubation in neonates (1B). 6. Consider a supraglottic airway for rescue oxygenation and ventilation when tracheal intubation fails (1B). 7. Limit the number of tracheal intubation attempts (1C). 8. Use a stylet to reinforce and preshape tracheal tubes when hyperangulated videolaryngoscope blades are used and when the larynx is anatomically anterior (1C). 9. Verify intubation is successful with clinical assessment and end-tidal CO 2 waveform (1C). 10. Apply high-flow nasal oxygenation, continuous positive airway pressure or nasal intermittent positive pressure ventilation for postextubation respiratory support, when appropriate (1B).
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Affiliation(s)
- Nicola Disma
- From the Unit for Research in Anaesthesia, IRCCS Istituto Giannina Gaslini, Genoa, Italy (ND, AF, ACL), Department of Anesthesiology, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan (TA), Department of Anaesthesiology, Pharmacology, Intensive Care and Emergency Medicine, Geneva University Hospitals and University of Geneva, Geneva, Switzerland (EC, WH), Medical Library, Boston Children's Hospital, Boston, MA, USA (AC), Department of Anaesthesia, Montreal Children's Hospital, McGill University Health Centre, Montréal, QC, Canada (TE, MJ), Department of Anaesthesiology, Critical Care, and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA (JF, PGK, JP), Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland (AF, TR), Department of Anaesthesiology and Critical Care Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, USA (AG-M), Department of Anaesthesia and Pain Management, Starship Children's Hospital, Auckland, New Zealand (CH), Perioperative Medicine Team, Perioperative Care Program, Telethon Kids Institute, Perth, WA, Australia (CH, BvU-S), Department for Pediatric Anesthesia, Children's Hospital Cologne, Cologne, Germany (JK), Faculty for Health, University of Witten/Herdecke, Witten, Germany (JK), Department of Cardiac Anaesthesiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité (DHZC) and Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany (MK-B), Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Würzburg, Würzburg, Germany (PK), Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, Toronto, ON, Canada (CM), Department of Anesthesia and Critical Care, Consorcio Hospital General Universitario de Valencia, Methodology Department, Universidad Europea de Valencia, Valencia, Spain (CSR), Department of Anaesthesia and Pain Management, Perth Children's Hospital, Perth, WA, Australia (BvU-S), Division of Emergency Medicine, Anaesthesia and Pain Medicine, Medical School, The University of Western Australia, Perth, WA, Australia (BvU-S), Faculty of Medicine, UCLouvain, Brussels, Belgium (FV), Department of Paediatric and Obstetric Anaesthesia, Copenhagen University Hospital, Rigshospitalet & Department of Clinical Medicine, Copenhagen University, Copenhagen, Denmark (AA)
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8
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Wen Y, Wu D, Zhang J, Jiang S, Xiong C, Guo D, Chi Z, Chen Y, Li L, Yang Y, Liu T, Jiang H. Evaluation of Tracheal Stenosis in Rabbits Using Multispectral Optoacoustic Tomography. Front Bioeng Biotechnol 2022; 10:860305. [PMID: 35309993 PMCID: PMC8931196 DOI: 10.3389/fbioe.2022.860305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 02/15/2022] [Indexed: 01/06/2023] Open
Abstract
Objective: Photoacoustic tomography (PAT) and multispectral optoacoustic tomography (MSOT) are evolving technologies that are capable of delivering real-time, high-resolution images of tissues. The purpose of this study was to evaluate the feasibility of using PAT and MSOT for detecting histology in a rabbit tracheal stenosis model.
Method: A total of 12 rabbits (9 stenosis and three control) were randomly divided into four groups (A, B, C and D). Each group consisted of three rabbits, which were staged at the first, fourth, and eighth weeks of stenosis progression, respectively. PAT/MSOT images and corresponding histology from these experimental animals were compared, for analyzing the morphologic features and quantitative tracheal measurements in different tracheal stenosis stage. Result: Both the PAT images and corresponding histology indicated the most severe degree of stenosis in group C. MSOT images indicated notable differences in tracheal contents of group B and D. Conclusion: This study suggests that PAT/MSOT are potentially valuable non-invasive modality which are capable of evaluating tracheal structure and function in vivo.
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Affiliation(s)
- Yanting Wen
- School of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing, China
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
| | - Dan Wu
- School of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Jing Zhang
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
| | - Shixie Jiang
- Department of Psychiatry and Behavioral Neurosciences, Morsani College of Medicine, University of South Florida, Tampa, FL, United States
| | - Chunyan Xiong
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
| | - Dan Guo
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
| | - Zihui Chi
- School of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Yi Chen
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
| | - Lun Li
- School of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Ying Yang
- School of Computer Science and Technology, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Ting Liu
- Department of Ultrasound Imaging, The Fifth People’s Hospital of Chengdu, Chengdu, China
| | - Huabei Jiang
- Department of Medical Engineering, University of South Florida, Tampa, FL, United States
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Thomas J, Alonso E, Wendel Garcia PD, Diem B, Kemper M, Weiss M, Both CP. Cuffed versus uncuffed tracheal tubes in a rabbit training model for establishing an emergency front-of-neck airway in infants: a prospective trial. Br J Anaesth 2021; 128:382-390. [PMID: 34920855 DOI: 10.1016/j.bja.2021.11.017] [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: 06/24/2021] [Revised: 09/27/2021] [Accepted: 11/03/2021] [Indexed: 11/02/2022] Open
Abstract
BACKGROUND There is a paucity of evidence regarding the optimal type of tracheal tube to be advanced over a Frova catheter when performing a 'bougie' emergency front-of-neck airway (eFONA) technique in infants during a 'cannot intubate, cannot oxygenate' situation. METHODS A prospective non-inferiority trial in a rabbit cadaver surgical tracheotomy model to assess the performance of the eFONA technique with an uncuffed 3.5 mm ID tracheal tube vs a cuffed 3.0 mm ID tracheal tube. Queried outcomes include success rate, performance time, and severe secondary airway injuries among tracheal tube types. RESULTS In 60 tracheostomies performed by 30 participants, the overall success rate was 98%. Performance time was independent from tracheal tube choice (uncuffed: 61 s [95% confidence interval (CI), 52-76], cuffed: 64 s [95% CI, 55-79]; P = 0.82). No tracheal tube type was preferred in terms of usability by participants. The cuffed tracheal tube required increased force to be advanced over the Frova catheter and was associated with a risk ratio of 2.5 (95% CI, 0.53-11.9; number needed to harm, 10) for severe secondary airway injuries when compared with the uncuffed tracheal tube. CONCLUSION In performing eFONA in the rabbit cadaver model, an ID 3.5 uncuffed is non-inferior to an ID 3.0 cuffed tracheal tube regarding performance time and preference by the operator. Greater force application to advance the cuffed tube over the Frova catheter and more severe airway injuries may argue for the standardised performance of the eFONA technique with a uncuffed tracheal tube in infants.
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Affiliation(s)
- Jörg Thomas
- Department of Anaesthesiology, University Children's Hospital Zurich, Zurich, Switzerland; Children's Research Centre, University Children's Hospital Zurich, Zurich, Switzerland.
| | - Elena Alonso
- Department of Anaesthesiology, University Children's Hospital Zurich, Zurich, Switzerland; Department of Anaesthesiology, University Hospital Zurich, Zurich, Switzerland
| | - Pedro D Wendel Garcia
- Institute of Intensive Care Medicine, University Hospital Zurich, Zurich, Switzerland
| | - Birgit Diem
- Department of Anaesthesiology, University Children's Hospital Zurich, Zurich, Switzerland
| | - Michael Kemper
- Department of Anaesthesiology, University Hospital Aachen, Aachen, Germany
| | - Markus Weiss
- Department of Anaesthesiology, University Children's Hospital Zurich, Zurich, Switzerland; Children's Research Centre, University Children's Hospital Zurich, Zurich, Switzerland
| | - Christian P Both
- Department of Anaesthesiology, University Children's Hospital Zurich, Zurich, Switzerland; Children's Research Centre, University Children's Hospital Zurich, Zurich, Switzerland
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