Exposure and confidence across critical airway procedures in pediatric emergency medicine: An international survey study

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Abstract

Background

Airway management procedures are critical for emergency medicine (EM) physicians, but rarely performed skills in pediatric patients. Worldwide experience with respect to frequency and confidence in performing airway management skills has not been previously described.

Objectives

Our aims were 1) to determine the frequency with which emergency medicine physicians perform airway procedures including: bag-mask ventilation (BMV), endotracheal intubation (ETI), laryngeal mask airway (LMA) insertion, tracheostomy tube change (TTC), and surgical airways, and 2) to investigate predictors of procedural confidence regarding advanced airway management in children.

Methods

A web-based survey of senior emergency physicians was distributed through the six research networks associated with Pediatric Emergency Research Network (PERN). Senior physician was defined as anyone working without direct supervision at any point in a 24-h cycle. Physicians were queried regarding their most recent clinical experience performing or supervising airway procedures, as well as with hands on practice time or procedural teaching. Reponses were dichotomized to within the last year, or ≥ 1 year. Confidence was assessed using a Likert scale for each procedure, with results for ETI and LMA stratified by age. Response levels were dichotomized to “not confident” or “confident.” Multivariate regression models were used to assess relevant associations.

Results

1602 of 2446 (65%) eligible clinicians at 96 PERN sites responded. In the previous year, 1297 (85%) physicians reported having performed bag-mask ventilation, 900 (59%) had performed intubation, 248 (17%) had placed a laryngeal mask airway, 348 (23%) had changed a tracheostomy tube, and 18 (1%) had performed a surgical airway. Of respondents, 13% of physicians reported the opportunity to supervise but not provide ETI, 5% for LMA and 5% for BMV. The percentage of physicians reporting “confidence” in performing each procedure was: BMV (95%) TTC (43%), and surgical airway (16%). Clinician confidence in ETT and LMA varied by patient age. Supervision of an airway procedure was the strongest predictor of procedural confidence across airway procedures.

Conclusion

BMV and ETI were the most commonly performed pediatric airway procedures by emergency medicine physicians, and surgical airways are very infrequent. Supervising airway procedures may serve to maintain procedural confidence for physicians despite infrequent opportunities as the primary proceduralist.

Introduction

The ability to successfully perform critical procedural skills is fundamental to the care of seriously ill and injured children. Effective management of the pediatric airway is central to such resuscitative efforts. Pediatric arrest more commonly results from respiratory rather than cardiac etiology, and therefore early and effective airway management can be life-saving [1].

Critical illness and injury occurs less commonly in children than in adults [[2], [3], [4], [5]]. Data suggest that the need for endotracheal intubation in pediatric patients presenting to the emergency department (ED) ranges from 0.6 to 3.3 cases per thousand visits [6,7]. Therefore, clinical opportunities for emergency medicine (EM) physicians to manage pediatric airways may be limited. For EDs seeing small volumes of children, the absolute number of airway procedures performed will therefore be very low. Even for high volume pediatric EDs, including tertiary care children's hospitals, clinical opportunities are often directed first toward those in training, or divided amongst a large number of practicing EM physicians or other airway specialists [8]. The result is a relative paucity of clinical opportunities to manage pediatric airways, with the potential for long intervals during which such airway management skills are not utilized [8,9].

Prior investigations have aimed to determine how frequently EM physicians perform airway management skills in children. Available data comes largely from investigations that provide single center estimates or focus on institutional rather than physician level experience [[7], [8], [9], [10], [11], [12], [13], [14]]. One study surveyed EM physicians throughout the United States, but had a relatively low survey response rate and did not include physicians in other parts of the world [15]. In addition, prior queries have not captured experience across the entire spectrum of airway management procedures.

The relative infrequency of clinical experiences including pediatric airway procedures may also negatively impact the confidence of EM physicians. Surveys of clinicians who care for children in the emergency setting suggest that maintenance of airways skills is perceived to be important, however inadequate clinical opportunities result in a lack of comfort with pediatric airway management [7,15,16]. The relationship between clinical experience and procedural confidence with regard to pediatric airway procedures has not been well defined.

Section snippets

Objectives

Our primary objective was to assess the clinical experience of practicing EM physicians with pediatric airway procedures, including: bag-mask ventilation (BMV), endotracheal intubation (ETI), laryngeal mask airway (LMA) insertion, tracheostomy tube change (TTC), and surgical airways. Our secondary objective was to investigate EM physicians' confidence in their ability to perform these procedures, and to determine predictors of such confidence.

Study design

This was an international, multicenter, cross-sectional survey study of senior practicing EM physicians working in EDs affiliated with Pediatric Emergency Research Networks (PERN) [17].

Setting

Participating hospitals were affiliated with one of the following research networks: Pediatric Emergency Medicine Collaborative Research Committee (PEM-CRC, USA), Pediatric Emergency Care Applied Research Network (PECARN, USA), Pediatric Emergency Research Canada (PERC, Canada), Pediatric Emergency Research in

Results

The survey was distributed to 2446 eligible physicians in EDs across the six PEM research networks within PERN, with 1602 (65.4%) respondents providing data on performance and confidence for any of the airway procedures. Table 1 provides an overview of the clinical settings and demographic data. Overall, 96 hospitals across fifteen countries were represented. Approximately half of the respondents practiced in North America. Of the 1602 respondents 1268 (79.2%) had completed post-graduate

Discussion

Emergency medicine physicians must be prepared to resuscitate ill and injured children, including timely performance of critical procedures when necessary. Perhaps the most important of these life-saving skills is the ability to manage the airway [21,22]. However, critical illness is relatively infrequent in children, limiting the exposure to such procedures for PEM physicians. Our study provides a broad evaluation of physician experience for several key emergency airway procedures at nearly

Conclusion

We report on airway procedural exposures for a wide sampling of senior EM physicians across the world. Apart from BMV, exposure to other emergency airway procedures in children was low. Notably, one quarter of senior EM physicians had not performed or supervised endotracheal intubation in the last year. Hands-on practice, performance or supervision of airway procedures were associated with increased procedural confidence; the strength of this association varied by procedure.

Financial disclosure

The authors have no financial relationships relevant to this article to disclose.

Author's contributions

Dr. Nagler: Conceptualization, Data curation, Writing - original draft; Writing - reivew and editing.

Dr. Simon: Conceptualization, Data curation, Writing - reivew and editing.

Dr. Monuteaux: Formal analysis; Writing - review and editing.

All other authors: Conceptualization, Data curation, Writing - review and editing.

Funding source

Stuart Dalziel's time was part funded by the Health Research Council of New Zealand (HRC13/556). Franz Babl and Ed Oakley are funded by the National Health and Medical Research Council, Centre of Research Excellence for Paediatric Emergency Medicine GNT1058560), Canberra, Australia; and supported by the Victorian Government's Infrastructure Support Program, Melbourne, Australia. Franz Babl's time was part funded by a grant from the Royal Children's Hospital Foundation, Melbourne, Australia, and

Declaration of Competing Interest

The authors have no conflicts of interest relevant to this article to disclose.

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    Participating networks include: the Pediatric Emergency Care Applied Research Network (PECARN), the Pediatric Emergency Medicine Collaborative Research Committee of the American Academy of Pediatrics (PEM-CRC), Pediatric Emergency Research Canada (PERC), Paediatric Emergency Research in the United Kingdom and Ireland (PERUKI), Pediatric Research in Emergency Departments International Collaborative (PREDICT), Research in European Pediatric Emergency Medicine (REPEM), and Red de Investigación y Desarrollo de la Emergencia Pediátrica Latinoaméricana (RIDEPLA).

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