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Cormack-Lehane grading evolution to assess trainee’s progress in laryngoscopy
  1. Miguel Lourenço Varela,
  2. Maria João Carmo,
  3. Ana Lares
  1. Anestesiologia 1, Hospital de Faro, Faro, Portugal
  1. Correspondence to Dr Miguel Lourenço Varela, Anestesiologia 1, Hospital de Faro, Faro, 8000-386, Portugal; miguelnvarela{at}

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Cormack and Lehane1 proposed in 1983 a grading system for the view obtained in laryngoscopy, aimed at beginners to facilitate airway training. Although patients’ anatomical characteristics greatly influence glottic visibility, technique and applied force, in which training has a great impact, contribute laryngoscopy success.2

The first author, a trainee in intensive care medicine, recently began training in laryngoscopy and endotracheal intubation at our hospital’s anaesthesia department. The Cormack and Lehane (CL) grade was recorded immediately after every laryngoscopy he performed on adult patients, using only Macintosh blades (sizes 3–4), during 5 months. The trainee also performed laryngoscopies with McCoy blades and videolaryngoscopes, which …

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  • Contributors MLV wrote the initial draft. MJC and AL revised the manuscript.

  • Competing interests None declared.

  • Patient consent Not required.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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