John Edem Fiadjoe1, Akira Nishisaki2, Narasimhan Jagannathan3, Agnes I Hunyady4, Robert S Greenberg5, Paul I Reynolds6, Maria E Matuszczak7, Mohamed A Rehman8, David M Polaner9, Peter Szmuk10, Vinay M Nadkarni11, Francis X McGowan11, Ronald S Litman11, Pete G Kovatsis12. 1. Children's Hospital of Philadelphia, Philadelphia, PA, USA; Perelman School of Medicine, University of Pennsylvania, Pennsylvania, PA, USA. Electronic address: FIADJOEJ@email.chop.edu. 2. Children's Hospital of Philadelphia, Philadelphia, PA, USA. 3. Ann and Robert H Lurie Children's Hospital of Chicago, Chicago, IL, USA; Feinberg School of Medicine, Northwestern University, Illinois, IL, USA. 4. Seattle Children's Hospital, Seattle, WA, USA; University of Washington Medical School, Seattle, WA, USA. 5. The Johns Hopkins Medical Insitutions, Baltimore, MD, USA. 6. University of Michigan Medical School, Michigan, MI, USA. 7. University of Texas Health Science Center Houston, Texas, TX, USA; Children's Memorial Herman Hospital, Houston, TX, USA. 8. Perelman School of Medicine, University of Pennsylvania, Pennsylvania, PA, USA. 9. The Children's Hospital Denver, Denver, CO, USA; University of Colorado School of Medicine, Denver, CO, USA. 10. University of Texas Southwestern Medical Center, Dallas, TX, USA; Dallas and Children's Medical Center at Dallas and Outcome Research Consortium, Cleveland, OH, USA. 11. Children's Hospital of Philadelphia, Philadelphia, PA, USA; Perelman School of Medicine, University of Pennsylvania, Pennsylvania, PA, USA. 12. Children's Hospital Boston, Boston, MA, USA; Harvard Medical School, Boston, MA, USA.
Abstract
BACKGROUND: Despite the established vulnerability of children during airway management, remarkably little is known about complications in children with difficult tracheal intubation. To address this concern, we developed a multicentre registry (Pediatric Difficult Intubation [PeDI]) to characterise risk factors for difficult tracheal intubation, establish the success rates of various tracheal intubation techniques, catalogue the complications of children with difficult tracheal intubation, and establish the effect of more than two tracheal intubation attempts on complications. METHODS: The PeDI registry consists of prospectively collected tracheal intubation data from 13 children's hospitals in the USA. We established standard data collection methods before implementing the secure web-based registry. After establishing standard definitions, we collected and analysed patient, clinician, and practice data and tracheal intubation outcomes. We categorised complications as severe or non-severe. FINDINGS: Between August, 2012, and January, 2015, 1018 difficult paediatric tracheal intubation encounters were done. The most frequently attempted first tracheal intubation techniques were direct laryngoscopy (n=461, 46%), fibre-optic bronchoscopy (n=284 [28%]), and indirect video laryngoscopy (n=183 [18%]) with first attempt success rates of 16 (3%) of 461 with direct laryngoscopy, 153 (54%) of 284 with fibre-optic bronchoscopy, and 101 (55%) of 183 with indirect video laryngoscopy. Tracheal intubation failed in 19 (2%) of cases. 204 (20%) children had at least one complication; 30 (3%) of these were severe and 192 (19%) were non-severe. The most common severe complication was cardiac arrest, which occurred in 15 (2%) patients. The occurrence of complications was associated with more than two tracheal intubation attempts, a weight of less than 10 kg, short thyromental distance, and three direct laryngoscopy attempts before an indirect technique. Temporary hypoxaemia was the most frequent non-severe complication. INTERPRETATION: More than two direct laryngoscopy attempts in children with difficult tracheal intubation are associated with a high failure rate and an increased incidence of severe complications. These results suggest that limiting the number of direct laryngoscopy attempts and quickly transitioning to an indirect technique when direct laryngoscopy fails would enhance patient safety. FUNDING: None.
BACKGROUND: Despite the established vulnerability of children during airway management, remarkably little is known about complications in children with difficult tracheal intubation. To address this concern, we developed a multicentre registry (Pediatric Difficult Intubation [PeDI]) to characterise risk factors for difficult tracheal intubation, establish the success rates of various tracheal intubation techniques, catalogue the complications of children with difficult tracheal intubation, and establish the effect of more than two tracheal intubation attempts on complications. METHODS: The PeDI registry consists of prospectively collected tracheal intubation data from 13 children's hospitals in the USA. We established standard data collection methods before implementing the secure web-based registry. After establishing standard definitions, we collected and analysed patient, clinician, and practice data and tracheal intubation outcomes. We categorised complications as severe or non-severe. FINDINGS: Between August, 2012, and January, 2015, 1018 difficult paediatric tracheal intubation encounters were done. The most frequently attempted first tracheal intubation techniques were direct laryngoscopy (n=461, 46%), fibre-optic bronchoscopy (n=284 [28%]), and indirect video laryngoscopy (n=183 [18%]) with first attempt success rates of 16 (3%) of 461 with direct laryngoscopy, 153 (54%) of 284 with fibre-optic bronchoscopy, and 101 (55%) of 183 with indirect video laryngoscopy. Tracheal intubation failed in 19 (2%) of cases. 204 (20%) children had at least one complication; 30 (3%) of these were severe and 192 (19%) were non-severe. The most common severe complication was cardiac arrest, which occurred in 15 (2%) patients. The occurrence of complications was associated with more than two tracheal intubation attempts, a weight of less than 10 kg, short thyromental distance, and three direct laryngoscopy attempts before an indirect technique. Temporary hypoxaemia was the most frequent non-severe complication. INTERPRETATION: More than two direct laryngoscopy attempts in children with difficult tracheal intubation are associated with a high failure rate and an increased incidence of severe complications. These results suggest that limiting the number of direct laryngoscopy attempts and quickly transitioning to an indirect technique when direct laryngoscopy fails would enhance patient safety. FUNDING: None.
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