Prediction of a difficult airway is very important to anesthesiologist.Usually,the cause of difficult intubation may be divided into two groups: the problems with the intubation technique and the problems related to c...Prediction of a difficult airway is very important to anesthesiologist.Usually,the cause of difficult intubation may be divided into two groups: the problems with the intubation technique and the problems related to changes in airway anatomy.This article is focus on the latter.We often use thyromental distance,mouth opening,Mallampati classification,Wilson risk sum score etc.as predicting variables in clinical practice.But all of them are associated with poor sensitivity,specificity and positive predictive values.So,a predictive clinical multifactor and multivariate analysis should be adopted to meet the needs.However,it’s still a question that which variables should be considered in the multivariate analysis system.展开更多
文摘Prediction of a difficult airway is very important to anesthesiologist.Usually,the cause of difficult intubation may be divided into two groups: the problems with the intubation technique and the problems related to changes in airway anatomy.This article is focus on the latter.We often use thyromental distance,mouth opening,Mallampati classification,Wilson risk sum score etc.as predicting variables in clinical practice.But all of them are associated with poor sensitivity,specificity and positive predictive values.So,a predictive clinical multifactor and multivariate analysis should be adopted to meet the needs.However,it’s still a question that which variables should be considered in the multivariate analysis system.