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The Comparison of Direct Laryngoscopy and Video Laryngoscopy in Pediatric Airways Management for Congenital Heart Surgery: A Randomized Clinical Trial

  • Javaherforooshzadeh, Fatemeh1
  • Gharacheh, Laleh2, 3
  • 1 Department of Anesthesia, Ahvaz Anesthesiology and Pain Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  • 2 Student Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  • 3 Student Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
Published Article
Anesthesiology and Pain Medicine
Kowsar Medical Institute
Publication Date
Jun 09, 2020
DOI: 10.5812/aapm.99827
PMID: 32944555
PMCID: PMC7472645
PubMed Central


Background Airway management in patients with hereditary heart disease is an important therapeutic intervention. Objectives The purpose of this study was to compare direct laryngoscopy (DL) with video laryngoscopy (VL) in pediatric airways management for congenital heart surgery. Methods This study was designed as a prospective randomized clinical trial. Two consecutive groups of 30 patients undergoing elective noncyanotic congenital heart surgery. The patients were divided into direct laryngoscopy versus video laryngoscopy for intubation of the trachea. The main outcomes were the number of success rate in the first attempt, and the secondary outcomes were the duration of successful intubation and complications, such as desaturation and bradycardia. Results Intubation procedure time was measured as 51.13 ± 17.88 seconds for the group with direct laryngoscopy and 59.66 ± 45.91 seconds for group with VL that was significant (P = 0.006). In DL group, 22 patients were intubated on the first attempt, 8 patients on the second attempt, and 6 patients on the third attempt, compared to 24, 6, and 2 respectively, in VL group. The differences were significant only in the third attempt between groups (P = 0.033). The important difference established in heart rate (HR) and SpaO2 amounts between the two groups at any time (P < 0.05). Conclusions VL can produce better visualization for intubation of trachea in congenital heart disease, but this is time-consuming. Indeed, training in the use of the VL should be increased to reduce the time required for performance. Moreover, further studies are recommended to approve these helpful findings.

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