• Saudi J Anaesth · Jan 2014

    Application of the upper lip catch test for airway evaluation in edentulous patients: An observational study.

    • Zahid Hussain Khan, Shahriar Arbabi, Mir Saeed Yekaninejad, and Ramooz Hussain Khan.
    • Department of Anesthesiology and Intensive Care, Imam Khomeini Medical Center, Tehran, Iran.
    • Saudi J Anaesth. 2014 Jan 1;8(1):73-7.

    BackgroundApplication of upper lip catch test (ULCT) for airway evaluation in edentulous patients.MethodsThis research is an evaluation of a clinical diagnostic test in edentulous patients prior to operation. Five hundred eighty eight edentulous patients in a referral university hospital, between March 2008 and June 2011 scheduled for elective surgery under general anesthesia were enrolled. Those unable to open the mouth and those with pharyngo-laryngeal pathology were excluded. ULCT was assessed and compared with Cormack-Lehane grading as a gold standard for airway evaluation.ResultsA high negative predictive value of 99.4% was a notable finding for the ULCT. The results also showed a high specificity (89.4%), high sensitivity (75.0%) and a high accuracy (89.3%) in a comparatively higher range for the ULCT.ConclusionThe ULCT proved to be a useful predictor for airway assessment in edentulous patients in this setting. Further studies are needed to reconfirm its validity in other ethnic groups.

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