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首页> 外文期刊>The Open Anesthesia Journal >Predictors of Difficult Tracheal Intubation on Adult Elective Patients in a Teaching Hospital
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Predictors of Difficult Tracheal Intubation on Adult Elective Patients in a Teaching Hospital

机译：教学医院成人择期患者气管插管困难的预测因素

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Background:During routine preoperative assessment of patients one of the commonest practices is predicting difficulty of tracheal intubation from various factors detected. Whether the factors reliably predict the difficulty is subject of argument. This study was conducted to assess the predictors of difficult tracheal intubation in adult patients.Methods:In this prospective observational study, we studied 120 consecutive elective adult patients admitted for general, gynecologic and orthopedic surgeries. Socio-demographic parameters and test variables such as BMI, TMD, SMD, IIG and Mallampati class were collected during preoperative evaluation. CL grade and difficulty of intubation were observed while the anesthetist in duty performs the laryngoscopy. While the former obtained from the preoperative anesthesia note, the latter were filled to questionnaire based on what the anesthetist reports during or after laryngoscopy. The prevalence of difficult intubation and the sensitivity, specificity, PPV and NPV of the tests were analyzed. SPSS-20 and different formulas were used during analysis. Chi square test was used and P<0.05 was considered as statistically significant.Result:The overall prevalence of difficult tracheal intubation was 2.5%. The sensitivity, specificity, PPV & NPV of the tests were 0%, 98.3%, 0% & 97.46% for BMI; 0%, 97.5%, 0% & 100% for SMD; 100%, 96.64%, 20% & 100% for TMD; 0%, 99.17%, 0%, & 100% for IIG; and 100%, 99.14%, 75% & 100% for Mallampati test.Conclusion:The incidence is not quite small that anesthetists should use necessary tests to predict the difficult intubation. Probably combining the tests being the best option, Mallampati test alone can predict the difficult intubation in adult patients.
机译：背景：在对患者进行常规术前评估期间，最普遍的做法之一是根据检测到的各种因素来预测气管插管的难度。这些因素是否能够可靠地预测难度是争论的主题。该研究旨在评估成人患者气管插管困难的预测因素。方法：在这项前瞻性观察性研究中，我们研究了120例接受常规，妇科和整形外科手术的连续成年患者。术前评估时收集了社会人口统计学参数和测试变量，例如BMI，TMD，SMD，IIG和Mallampati类。当值班的麻醉师进行喉镜检查时，观察到CL级和插管困难。前者是从术前麻醉记录中获得的，而后者是根据麻醉师在喉镜检查期间或之后的报告填写到调查表中的。分析了困难插管的患病率以及检测的敏感性，特异性，PPV和NPV。在分析过程中使用了SPSS-20和不同的公式。采用卡方检验，P <0.05为有统计学意义。结果：困难气管插管的总体患病率为2.5％。测试对BMI的敏感性，特异性，PPV和NPV分别为0％，98.3％，0％和97.46％; SMD为0％，97.5％，0％和100％; TMD为100％，96.64％，20％和100％; IIG为0％，99.17％，0％和100％;结论：麻醉师应使用必要的测试方法来预测插管困难，其发生率并不小。可能结合测试是最佳选择，仅Mallampati测试就可以预测成年患者的插管困难。

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