COMPARISON OF 2 METHODS FOR PREDICTING DIFFICULT INTUBATION

JDL OATES*, AD MACLEOD, PD OATES, FJ PEARSALL, JC HOWIE, GD MURRAY

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Two methods of predicting difficult laryngoscopy were compared prospectively. Mallampati class and Wilson risk-sum were determined before operation and laryngeal view graded in 675 patients. Both tests identified five of 12 difficult laryngoscopies; twice as many patients were predicted to be difficult by Mallampati classification than by Wilson risk-sum. Interobserver variation was minimal using Wilson risk-sum, but considerable for Mallampati classification. We prefer the Wilson risk-sum for assessment of the airway, while noting that both tests have poor sensitivities.

Original languageEnglish
Pages (from-to)305-309
Number of pages5
JournalBritish Journal of Anaesthesia
Volume66
Issue number3
Publication statusPublished - Mar 1991

Keywords

  • COMPLICATIONS, DIFFICULT INTUBATION
  • INTUBATION, TRACHEAL, PREOPERATIVE ASSESSMENT
  • TRACHEAL INTUBATION

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