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A comparison of the upper lip bite test (a simple new technique) with modified Mallampati classification in predicting difficulty in endotracheal intubation: a prospective blinded study.
Anesth Analg. 2003 Feb; 96(2):595-9, table of contents.A&A

Abstract

We explored the possibility that a simple and single test could replace the modified Mallampati score for either a difficult or an unaccomplished tracheal intubation in an impending hypoxic patient. Three hundred adult patients were enrolled in this study. They were subjected to the following assessments: 1) oropharyngeal class according to the modified Mallampati criteria; 2) the new, upper lip bite criteria-class I = lower incisors can bite the upper lip above the vermilion line, class II = lower incisors can bite the upper lip below the vermilion line, and class III = lower incisors cannot bite the upper lip; and 3) laryngeal view grading according to Cormack's criteria. The incidence of difficult intubation was 5.7%. The upper lip bite test showed significantly higher specificity and accuracy than the modified Mallampati test (P < 0.001). Comparisons of sensitivity, positive and negative predictive values, between the two tests, however, did not reveal any significant differences (P > 0.05). In conclusion, the upper lip bite test is an acceptable option for predicting difficult intubation as a simple, single test.

Authors+Show Affiliations

Department of Anesthesiology, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran. arash_kashfi@hotmail.comNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Comparative Study
Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

12538218

Citation

Khan, Zahid Hussain, et al. "A Comparison of the Upper Lip Bite Test (a Simple New Technique) With Modified Mallampati Classification in Predicting Difficulty in Endotracheal Intubation: a Prospective Blinded Study." Anesthesia and Analgesia, vol. 96, no. 2, 2003, 595-9, table of contents.
Khan ZH, Kashfi A, Ebrahimkhani E. A comparison of the upper lip bite test (a simple new technique) with modified Mallampati classification in predicting difficulty in endotracheal intubation: a prospective blinded study. Anesth Analg. 2003;96(2):595-9, table of contents.
Khan, Z. H., Kashfi, A., & Ebrahimkhani, E. (2003). A comparison of the upper lip bite test (a simple new technique) with modified Mallampati classification in predicting difficulty in endotracheal intubation: a prospective blinded study. Anesthesia and Analgesia, 96(2), 595-9, table of contents.
Khan ZH, Kashfi A, Ebrahimkhani E. A Comparison of the Upper Lip Bite Test (a Simple New Technique) With Modified Mallampati Classification in Predicting Difficulty in Endotracheal Intubation: a Prospective Blinded Study. Anesth Analg. 2003;96(2):595-9, table of contents. PubMed PMID: 12538218.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A comparison of the upper lip bite test (a simple new technique) with modified Mallampati classification in predicting difficulty in endotracheal intubation: a prospective blinded study. AU - Khan,Zahid Hussain, AU - Kashfi,Arash, AU - Ebrahimkhani,Elham, PY - 2003/1/23/pubmed PY - 2003/2/13/medline PY - 2003/1/23/entrez SP - 595-9, table of contents JF - Anesthesia and analgesia JO - Anesth. Analg. VL - 96 IS - 2 N2 - We explored the possibility that a simple and single test could replace the modified Mallampati score for either a difficult or an unaccomplished tracheal intubation in an impending hypoxic patient. Three hundred adult patients were enrolled in this study. They were subjected to the following assessments: 1) oropharyngeal class according to the modified Mallampati criteria; 2) the new, upper lip bite criteria-class I = lower incisors can bite the upper lip above the vermilion line, class II = lower incisors can bite the upper lip below the vermilion line, and class III = lower incisors cannot bite the upper lip; and 3) laryngeal view grading according to Cormack's criteria. The incidence of difficult intubation was 5.7%. The upper lip bite test showed significantly higher specificity and accuracy than the modified Mallampati test (P < 0.001). Comparisons of sensitivity, positive and negative predictive values, between the two tests, however, did not reveal any significant differences (P > 0.05). In conclusion, the upper lip bite test is an acceptable option for predicting difficult intubation as a simple, single test. SN - 0003-2999 UR - https://www.unboundmedicine.com/medline/citation/12538218/A_comparison_of_the_upper_lip_bite_test__a_simple_new_technique__with_modified_Mallampati_classification_in_predicting_difficulty_in_endotracheal_intubation:_a_prospective_blinded_study_ L2 - http://dx.doi.org/10.1097/00000539-200302000-00053 DB - PRIME DP - Unbound Medicine ER -