Review Article

Insertion Success of the Laryngeal Tube in Emergency Airway Management

Table 1

Success rates of laryngeal tubes in in-hospital airway management by physicians.

AuthorsStudyDeviceHealthcare provider⁢FPIS⁢OPIS
[, (%)]95% CI[, (%)]95% CI

Ratajczyk et al., 2013 [48]p, in-hospital, electiveLTPhysicians3027, 90.079.3%–100.0%NS
Ozgul et al., 2013 [47]p, in-hospital, electiveLTS IIPhysicians8075, 93.888.4%–99.1%80, 100.096.4%–100.0%
Russo et al., 2012 [50]p, in-hospital, electiveLTS-DPhysicians4021, 52.537.0%–68.0%28, 70.055.8%–84.2%
Esa et al., 2011 [35]p, in-hospital, electiveLTS IIPhysicians2724, 88.977.0%–100.0%27, 100.089.6%–100.0%
Schalk et al., 2011 [51]p, in-hospital, electiveLTS-DPhysicians105NS84, 80.072.3%–87.7%
Amini et al., 2010 [23]p, in-hospital, electiveLTS-D/LTS IIPhysicians6054, 90.082.4%–97.6%58, 96.092.1%–100.0%
Thee et al., 2010 [52]p, in-hospital, electiveLTS-D/LTS IIPhysicians6057, 95.089.5%–100.0%59, 98.395.1%–100.0%
Klaver et al., 2007 [42]p, in-hospital, electiveLTSPhysicians8256, 68.058.2%–78.4%NS
Cavus et al., 2009 [29]p, in-hospital, electiveLTSPhysicians2218, 82.065.7%–97.9%21, 96.086.8%–100.0%
Kikuchi et al., 2008 [41] p, in-hospital, electiveLTS IIPhysicians5030, 60.046.4%–73.6%37, 74.061.8%–86.2%
Zand et al., 2007 [56]p, in-hospital, electiveLTSPhysicians5043, 86.076.4%–95.6%49, 98.094.1%–100.0%
Yildiz et al., 2007 [55]p, in-hospital, electiveLTPhysicians6656, 84.876.2%–93.5%66, 100.095.6%–100.0%
Genzwuerker et al., 2007 [39]p, in-hospital, electiveLTS IIPhysicians5044, 88.079.0%–97.0%48, 96.090.6%–100.0%
Amini et al., 2007 [22]p, in-hospital, electiveLT-D, LT-RPhysicians10093, 93.088.0%–98.0%98, 98.095.3%–100.0%
Mihai et al., 2007 [44]p, in-hospital, electiveLTS IIPhysicians10071, 71.062.1%–79.9%100, 100.097.1%–100.0%
Noor Zairul and Khairul Faizi, 2006 [45]p, in-hospital, electiveLTPhysicians2020, 100.086.1%–100.0%20, 100.086.1%–100.0%
Turan et al., 2006 [53]p, in-hospital, electiveLTPhysicians3021, 69.053.6%–86.4%23, 76.061.5%–91.8%
Bein et al., 2005 [27] p, in-hospital, electiveLTSPhysicians3028, 93.384.4%–100.0%30, 100.090.6%–100.0%
Cook and Cranshaw, 2005 [30]p, in-hospital, electiveLTSPhysicians3222, 68.852.7%–84.8%NS
Roth et al., 2005 [49]p, in-hospital, electiveLTSPhysicians2523, 92.081.4%–100.0%25, 100.088.8%–100.0%
Komatsu et al., 2005 [43]p, in-hospital, electiveLTPhysicians5116, 31.418.6%–44.1%42, 82.471.9%–92.8%
Gaitini et al., 2004 [38]p, in-hospital, electiveLTSPhysicians7560, 80.070.9%–89.1%71, 94.789.6%–99.8%
Wrobel et al., 2004 [54]p, in-hospital, electiveLTPhysicians5045, 90.081.7%–98.3%47, 94.087.4%–100.0%
Figueredo et al., 2003 [36]p, in-hospital, electiveLTPhysicians3518, 51.034.9%–68.0%24, 97.053.2%–84.0%
Cook et al., 2003 [31]p, in-hospital, electiveLTPhysicians32NS30, 93.885.4%–100.0%
Cook et al., 2003 [32]p, in-hospital, electiveLTPhysicians3631, 86.174.8%–97.4%35, 97.291.9%–100.0%
Genzwürker et al., 2003 [40]p, in-hospital, electiveLTSPhysicians3027, 90.079.3%–100.0%29, 96.790.2%–100.0%
Gaitini et al., 2003 [37]p, in-hospital, electiveLTPhysicians175159, 94.086.6%–95.1%169, 96.693.9%–99.3%
Asai et al., 2003 [26]p, in-hospital, electiveLTPhysicians10090, 90.084.1%–95.9%97, 97.093.7%–100.0%
Dörges et al., 2003 [33]p, in-hospital, electiveLTPhysicians3232, 100.091.1%–100.0%32, 100.091.1%–100.0%
Figueredo et al., 2003 [36]p, in-hospital, electiveLTPhysicians3518, 51.034.9%–68.0%34, 97.091.6%–100.0%
Ocker et al., 2002 [46]p, in-hospital, electiveLTPhysicians2525, 100.088.8%–100.0%25, 100.088.8%–100.0%
Brimacombe et al., 2002 [28]p, in-hospital, electiveLTPhysicians6052, 87.078.1%–95.3%55, 92.084.7%–98.7%
Asai et al., 2002 [24]p, in-hospital, electiveLTPhysicians2219, 86.472.0%–100.0%21, 95.586.8%–100.0%
Asai et al., 2000 [25]p, in-hospital, electiveLTPhysicians5047, 94.087.4%–100.0%NS
Dörges et al., 2000 [34]p, in-hospital, electiveLTPhysicians3030, 100.090.6%–100.0%30, 100.090.6%–100.0%

Cumulative sum ()18971452/17601594/1703
(%)82.580.7%–84.3%93.692.4%–94.8%

NS: not stated; p: prospective; r: retrospective; elective: nonemergency patient; FPIS: first-pass insertion success; OPIS: overall-pass insertion success.
If the success rate was 100%, it was assumed that the lower confidence interval (CI) was reached and that the next attempt would fail.