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Professional Medical Journal-Quarterly [The]. 2012; 19 (3): 297-303
Dans Anglais | IMEMR | ID: emr-131432

Résumé

Preoperative evaluation of anatomical landmarks and clinical factors helps to identify potentially difficult laryngoscopies; however, its predictive reliability is unclear. As the ratio of height to thyromental distance [RHTMD] is a newer upper airway predictive test for difficult laryngoscopy, the predictive value and odds ratios of RHTMD versus mouth opening, thyromental distance[TMD], neck movement, and oropharyngeal view [modified Mallampati] were evaluated. Data of 407 consecutive patients scheduled for elective surgery with general anesthesia requiring endotracheal intubation were collected and all five factors were assessed before surgery. Four senior anesthesiology residents, not aware of the recorded preoperative airway assessment, performed the laryngoscopy and grading [as in Cormack and Lehane's classification]. Difficult laryngoscopy [Grade 3 or 4] occurred in 94 patients [23.1%]. In the multivariate analysis, three criteria were found independent for difficult laryngoscopy [neck movement /= 24]. Neck movement [NM] /= 24 were valuable with lowest NPV. The multivariate analysis Odds ratio [95% confidence interval] of the NM, Mallampati class, IIG and RHTMD were 18.16 [9.634 - 34.265], 12.498 [6.744 - 23.16], 11.183 [6.571 - 19.03] and 3.123 [1.933 - 5.047] respectively.TMD

Sujets)
Humains , Mâle , Femelle , Intubation trachéale , Intubation , Valeur prédictive des tests , Sensibilité et spécificité , Anesthésie générale , Soins préopératoires
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