Comparison of upper lip bite test with modified Mallampatti classification for predicting difficulty in endotracheal intubation: A prospective study
Journal Title: Medpulse International Journal of Anesthesiology - Year 2017, Vol 4, Issue 3
Abstract
Background: Difficult laryngoscopy and intubation causes increased risk of morbidity and mortality. Accurate preoperative assessment tests to predict the difficult intubation is necessary to secure and maintain an intact airway. Materials and Methods: The study enrolled160 patients of ASAI-III 16 -60yrs of age scheduled for elective surgical procedures under general anaesthesia. A thorough pre-anaesthetic evaluation was done, preoperatively airway was evaluated using modified mallampattitest (MMT) and upperlip bite test (ULBT). Laryngoscopy was done in sniffing position and glottic views were graded according to the Cormack and Lehane classification. The sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) were calculated for each parameter. Results: The mean age of the study subjects was 48.23years, majority of them had MMT I and II, ULBT I and II. MMT had higher sensitivity and specificity than ULBT. Conclusion: In the present study we concluded that MMT is a better test at predicting difficult endotracheal intubations when compared to ULBT
Authors and Affiliations
Shilpa H L, V B Gowda, Namratha Ranganath
Keywords
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