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A clinical sign to predict difficult tracheal intubation; a prospective study

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Canadian Anaesthetists’ Society Journal Aims and scope Submit manuscript

Abstract

It has been suggested that the size of the base of the tongue is an important factor determining the degree of difficulty of direct laryngoscopy. A relatively simple grading system which involves preoperative ability to visualize the faucial pillars, soft palate and base of uvula was designed as a means of predicting the degree of difficulty in laryngeal exposure. The system was evaluated in 210 patients. The degree of difficulty in visualizing these three structures was an accurate predictor of difficulty with direct laryngoscopy (p < 0,001).

Résumé

Il a été suggéré que la grosseur de la base de la langue est un facteur important dans la détermination du degré de difficulté de la laryngoscopie directe. Un système relativement simple de classification impliquant la capacité pré-opératoire de visualiser les piliers du voile du palais, le voile du palais et la base de la luette a été conçu afin de prédire le degré de la difficulté d’ exposition du larynx. Ce système a été évalué chez 210 patients. On a trouvé que le degré de difficulté encourue lors de la visualisation de ces trois structures était un moyen précis pour prédire la difficulté de la laryngoscopie directe (p < 0.001).

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Author information

Author notes
  1. S. Rao Mallampati

    Present address: Brigham and Women’ s Hospital, 75 Francis Street, 02115, Boston, Massachusetts

Authors and Affiliations

  1. Department of Anaesthesia, Brigham and Women’ s Hospital, Harvard Medical School, Boston, Massachusetts

    S. Rao Mallampati, Stephen P. Gatt, Laveme D. Gugino, Sukumar P. Desai, Barbara Waraksa, Dubravka Freiberger & Philip L. Liu

Authors
  1. S. Rao Mallampati
  2. Stephen P. Gatt
  3. Laveme D. Gugino
  4. Sukumar P. Desai
  5. Barbara Waraksa
  6. Dubravka Freiberger
  7. Philip L. Liu

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