scholarly journals Comparison of GlideScope Videolaryngoscopy to Direct Laryngoscopy for Intubation of a Pediatric Simulator by Novice Physicians

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Joni E. Rabiner ◽  
Marc Auerbach ◽  
Jeffrey R. Avner ◽  
Dina Daswani ◽  
Hnin Khine
Keyword(s):  
Crossover Study ◽  
Difficult Airway ◽  
Direct Laryngoscopy ◽  
Successful Intubation ◽  
Success Rates ◽  
Normal Airway ◽  
Intubation Success ◽  
Mean Time ◽  
Randomized Crossover Study

Objective. To compare novice clinicians’ performance using GlideScope videolaryngoscopy (GVL) to direct laryngoscopy (DL).Methods. This was a prospective, randomized crossover study. Incoming pediatric interns intubated pediatric simulators in four normal and difficult airway scenarios with GVL and DL. Primary outcomes included time to intubation and rate of successful intubation. Interns rated their satisfaction of the devices and chose the preferred device.Results. Twenty-five interns were included. In the normal airway scenario, there were no differences in mean time for intubation with GVL or DL (61.4 versus 67.4 seconds, ) or number of successful intubations (19 versus 18, ). In the difficult airway scenario, interns took longer to intubate with GVL than DL (87.7 versus 61.3 seconds, ), but there were no differences in successful intubations (14 versus 15, ). There was a trend towards higher satisfaction for GVL than DL (7.3 versus 6.4, ), and GVL was chosen as the preferred device by a majority of interns (17/25, 68%).Conclusions. For novice clinicians, GVL does not improve time to intubation or intubation success rates in a pediatric simulator model of normal and difficult airway scenarios. Still, these novice clinicians overall preferred GVL.

scholarly journals Proficiencies of Military Medical Officers in Intubating Difficult Airways

2020 ◽  
Author(s):  
Jonathan Zhao Min Lim ◽  
Shi Hao Chew ◽  
Benjamin Zhao Bin Chin ◽  
Raymond Chern Hwee Siew
Keyword(s):  
Difficult Airway ◽  
Success Rate ◽  
Graduate Training ◽  
Success Rates ◽  
Post Graduate ◽  
Airway Trauma ◽  
Intubation Success ◽  
Post Graduate Training ◽  
Difficult Airways ◽  
Mean Time

Abstract Background This study sheds light on the proficiency of military medical officers who had received between 2-3 years of post-graduate training, in the handling of the difficult airway in a trauma manikin simulator using direct and video laryngoscopes. Method 133 doctors from the Singapore Armed Forces Medical Officer Cadet Course were assessed using high-fidelity simulator models with standardised difficult airways (simulator with tongue-swelling and cervical collar). They used the Macintosh direct laryngoscope (DL), King Vision channelled-blade laryngoscope (KVC), King Vision non-channelled blade laryngoscope (KVNC), and the McGrath (MG) laryngoscope on the same model in a randomised sequence. The intubation success rates and time to intubation were recorded and analysed for the study. Results The medical officers had a 71.4% intubation success rate with the DL on the difficult airway trauma simulator model and the mean time to intubation of 40.1s. With the KVC, the success rate is 86.5% with mean intubation time of 40.4s. The KVNC produced 24.8% success rate, with mean time to intubation of 53.2s. The MG laryngoscope produced 85.0% success rate, with a mean time of intubation of 37.4s. Conclusion Military medical officers with 2-3 years of post-graduate training had a success rate of 71.4% success rate intubating a simulated difficult airway in a trauma setting using a DL. Success rates were improved with the use of KVC and the MG laryngoscope, but was worse with the KVNC.

scholarly journals Comparative Effectiveness of the C-MAC Video Laryngoscope versus  Direct Laryngoscopy in the Setting of the Predicted Difficult Airway

2012 ◽  
Vol 116 (3) ◽  
pp. 629-636 ◽  
Author(s):  
Michael F. Aziz ◽  
Dawn Dillman ◽  
Rongwei Fu ◽  
Ansgar M. Brambrink
Keyword(s):  
Tracheal Intubation ◽  
Difficult Airway ◽  
Difficult Intubation ◽  
Direct Laryngoscopy ◽  
Controlled Trial ◽  
Video Laryngoscope ◽  
Video Laryngoscopy ◽  
Success Rates ◽  
Intubation Success ◽  
Intubation Success Rate

Background Video laryngoscopy may be useful in the setting of the difficult airway, but it remains unclear if intubation success is improved in routine difficult airway management. This study compared success rates for tracheal intubation with the C-MAC® video laryngoscope (Karl Storz, Tuttlingen, Germany) with conventional direct laryngoscopy in patients with predicted difficult airway. Methods We conducted a two arm, single-blinded randomized controlled trial that involved 300 patients. Inclusion required at least one of four predictors of difficult intubation. The primary outcome was successful tracheal intubation on first attempt. Results The use of video laryngoscopy resulted in more successful intubations on first attempt (138/149; 93%) as compared with direct laryngoscopy (124/147; 84%), P = 0.026. Cormack-Lehane laryngeal view was graded I or II in 139/149 of C-MAC attempts versus 119/147 in direct laryngoscopy attempts (P < 0.01). Laryngoscopy time averaged 46 s (95% CI, 40-51) for the C-MAC group and was shorter in the direct laryngoscopy group, 33 s (95% CI, 29-36), P < 0.001. The use of a gum-elastic bougie and/or external laryngeal manipulation were required less often in the C-MAC intubations (24%, 33/138) compared with direct laryngoscopy (37%, 46/124, P = 0.020). The incidence of complications was not significantly different between the C-MAC (20%, 27/138) versus direct laryngoscopy (13%, 16/124, P = 0.146). Conclusion A diverse group of anesthesia providers achieved a higher intubation success rate on first attempt with the C-MAC in a broad range of patients with predictors of difficult intubation. C-MAC laryngoscopy seems to be a useful technique for the initial approach to a potentially difficult airway.

scholarly journals Proficiencies of Military Medical Officers in Intubating Difficult Airways

2020 ◽  
Author(s):  
Jonathan Zhao Min Lim ◽  
Shi Hao Chew ◽  
Benjamin Zhao Bin Chin ◽  
Raymond Chern Hwee Siew
Keyword(s):  
Difficult Airway ◽  
Success Rate ◽  
Graduate Training ◽  
Success Rates ◽  
Post Graduate ◽  
Airway Trauma ◽  
Intubation Success ◽  
Post Graduate Training ◽  
Difficult Airways ◽  
Mean Time

Abstract Background This study sheds light on the proficiency of military medical officers who had received between 2-3 years of post-graduate training, in the handling of the difficult airway in a trauma manikin simulator using direct and video laryngoscopes. Method 133 doctors from the Singapore Armed Forces Medical Officer Cadet Course were assessed using high-fidelity simulator models with standardised difficult airways (simulator with tongue-swelling and cervical collar). They used the Macintosh direct laryngoscope (DL), King Vision channelled-blade laryngoscope (KVC), King Vision non-channelled blade laryngoscope (KVNC), and the McGrath (MG) laryngoscope on the same model in a randomised sequence. The intubation success rates and time to intubation were recorded and analysed for the study. Results The medical officers had a 71.4% intubation success rate with the DL on the difficult airway trauma simulator model and the mean time to intubation of 40.1s. With the KVC, the success rate is 86.5% with mean intubation time of 40.4s. The KVNC produced 24.8% success rate, with mean time to intubation of 53.2s. The MG laryngoscope produced 85.0% success rate, with a mean time of intubation of 37.4s. Conclusion Military medical officers with 2-3 years of post-graduate training had a success rate of 71.4% success rate intubating a simulated difficult airway in a trauma setting using a DL. Success rates were improved with the use of KVC and the MG laryngoscope, but was worse with the KVNC.

scholarly journals Proficiencies of military medical officers in intubating difficult airways

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Jonathan ZM Lim ◽  
Shi Hao Chew ◽  
Benjamin ZB Chin ◽  
Raymond CH Siew
Keyword(s):  
Difficult Airway ◽  
Success Rate ◽  
Graduate Training ◽  
Success Rates ◽  
Post Graduate ◽  
Airway Trauma ◽  
Intubation Success ◽  
Post Graduate Training ◽  
Difficult Airways ◽  
Mean Time

Abstract Background This study sheds light on the proficiency of military medical officers who had received between 2 and 3 years of post-graduate training, in the handling of the difficult airway in a trauma manikin simulator using direct and video laryngoscopes. Method One hundred thirty-three doctors from the Singapore Armed Forces Medical Officer Cadet Course were assessed using high-fidelity simulator models with standardised difficult airways (simulator with tongue-swelling and cervical collar). They used the Macintosh direct laryngoscope (DL), King Vision channelled-blade laryngoscope (KVC), King Vision non-channelled blade laryngoscope (KVNC), and the McGrath (MG) laryngoscope on the same model in a randomised sequence. The intubation success rates and time to intubation were recorded and analysed for the study. Results The medical officers had a 71.4% intubation success rate with the DL on the difficult airway trauma simulator model and the mean time to intubation of 40.1 s. With the KVC, the success rate is 86.5% with mean intubation time of 40.4 s. The KVNC produced 24.8% success rate, with mean time to intubation of 53.2 s. The MG laryngoscope produced 85.0% success rate, with a mean time of intubation of 37.4 s. Conclusion Military medical officers with 2–3 years of post-graduate training had a success rate of 71.4% success rate intubating a simulated difficult airway in a trauma setting using a DL. Success rates were improved with the use of KVC and the MG laryngoscope, but was worse with the KVNC.

scholarly journals Proficiencies of Military Medical Officers in Intubating Difficult Airways

2020 ◽  
Author(s):  
Jonathan Zhao Min Lim ◽  
Shi Hao Chew ◽  
Benjamin Zhao Bin Chin ◽  
Raymond Chern Hwee Siew
Keyword(s):  
Difficult Airway ◽  
Success Rate ◽  
Graduate Training ◽  
Success Rates ◽  
Post Graduate ◽  
Airway Trauma ◽  
Intubation Success ◽  
Post Graduate Training ◽  
Difficult Airways ◽  
Mean Time

Abstract Background This study sheds light on the proficiency of military medical officers who had received between 2-3 years of post-graduate training, in the handling of the difficult airway in a trauma manikin simulator using direct and video laryngoscopes. Method 133 doctors from the Singapore Armed Forces Medical Officer Cadet Course were assessed using high-fidelity simulator models with standardised difficult airways (simulator with tongue-swelling and cervical collar). They used the Macintosh direct laryngoscope (DL), King Vision channelled-blade laryngoscope (KVC), King Vision non-channelled blade laryngoscope (KVNC), and the McGrath (MG) laryngoscope on the same model in a randomised sequence. The intubation success rates and time to intubation were recorded and analysed for the study. Results The medical officers had a 71.4% intubation success rate with the DL on the difficult airway trauma simulator model and the mean time to intubation of 40.1s. With the KVC, the success rate is 86.5% with mean intubation time of 40.4s. The KVNC produced 24.8% success rate, with mean time to intubation of 53.2s. The MG laryngoscope produced 85.0% success rate, with a mean time of intubation of 37.4s. Conclusion Military medical officers with 2-3 years of post-graduate training had a success rate of 71.4% success rate intubating a simulated difficult airway in a trauma setting using a DL. Success rates were improved with the use of KVC and the MG laryngoscope, but was worse with the KVNC.

scholarly journals Proficiencies of Military Medical Officers in Intubating Difficult Airways

2020 ◽  
Author(s):  
Jonathan Zhao Min Lim ◽  
Shi Hao Chew ◽  
Benjamin Zhao Bin Chin ◽  
Raymond Chern Hwee Siew
Keyword(s):  
Difficult Airway ◽  
Success Rate ◽  
Graduate Training ◽  
Success Rates ◽  
Post Graduate ◽  
Airway Trauma ◽  
Intubation Success ◽  
Post Graduate Training ◽  
Difficult Airways ◽  
Mean Time

Abstract Introduction This study shed light on the proficiency of military medical officers who had received between 2-3 years of post-graduate training, in the handling of the difficult airway in a trauma manikin simulator using direct and video laryngoscopes.Method133 doctors from the Singapore Armed Forces Medical Officer Cadet Course were assessed using high-fidelity simulator models with standardised difficult airways (simulator with tongue-swelling and cervical collar). They used the Macintosh direct laryngoscope (DL), King Vision channelled-blade laryngoscope (KVC), King Vision non-channelled blade laryngoscope (KVNC), and the McGrath (MG) laryngoscope on the same model in a randomised sequence. The intubation success rates and time to intubation were recorded and analysed for the study.ResultsThe medical officers had a 71.4% intubation success rate with the DL on the difficult airway trauma simulator model and the mean time to intubation of 40.1s. With the KVC, the success rate is 86.5% with mean intubation time of 40.4s. The KVNC produced 24.8% success rate, with mean time to intubation of 53.2s. The MG laryngoscope produced 85.0% success rate, with a mean time of intubation of 37.4s.ConclusionMilitary medical officers with 2-3 years of post-graduate training had a success rate of 71.4% success rate intubating a simulated difficult airway in a trauma setting using a DL. Success rates were improved with the use of KVC and the MG laryngoscope, but was worse with the KVNC.

A Comparison of Three Maneuvers and Their Effect on Laryngoscopic View, Time to Intubate, and Intubation Outcome by Novice Intubators in a Simulated Airway

2017 ◽  
Vol 32 (4) ◽  
pp. 419-423 ◽  
Author(s):  
Christopher Stein ◽  
Louis Gerber ◽  
Denis Curtin ◽  
Nicole Oberem ◽  
Mike Wells
Keyword(s):  
Difficult Airway ◽  
Relative Effectiveness ◽  
Random Order ◽  
Intubation Time ◽  
Laryngoscopic View ◽  
Publication Type ◽  
Normal Airway ◽  
Head Elevation ◽  
Intubation Success ◽  
The Mean

AbstractAimThe goal of this study was to compare the relative effectiveness of three adjunctive maneuvers – head elevation (HE), forward laryngoscope traction (FT), and external laryngeal manipulation (ELM) – on laryngoscopic view, intubation time, and intubation success performed by a sample of novice intubators using a simulated airway.MethodsTwenty-two second year university paramedic students were required to perform laryngoscopy and intubation on a simulator four times on two separate days. The first day involved intubation using no adjunctive maneuvers (control) plus HE, FT, and ELM in random order in a normal simulated airway. A similar approach was used on the second day, but the simulator was configured to have a difficult airway. Percentage of glottic opening (POGO) scores, intubation time, and intubation success were measured for all intubation attempts.ResultsHead elevation was found to be the most effective adjunctive maneuver in the normal airway, increasing the mean POGO score from control by 27% (P=.002), while ELM was most effective in the difficult airway, increasing the mean POGO score by 21% (P=.009) and the proportion of successful intubations by 41% (P<.001). All maneuvers decreased intubation time in the normal and difficult airway and were associated with significant differences in intubation success compared to control in the difficult airway.ConclusionsThis study identified HE as the most effective maneuver for improving laryngoscopic view in a normal airway and ELM as the most effective in a difficult airway in a group of novice intubators.SteinC, GerberL, CurtinD, OberemN, WellsM. A comparison of three maneuvers and their effect on laryngoscopic view, time to intubate, and intubation outcome by novice intubators in a simulated airway. Prehosp Disaster Med. 2017;32(4):419–423.

Comparison of Video Laryngoscopy and Direct Laryngoscopy in the Success of Intubation Performed by Novice Personnel in Patients with Cervical Immobilization: A Manikin Study

2021 ◽  
Author(s):  
Özge Can ◽  
Sercan Yalcinli ◽  
Yusuf Ali Altunci
Keyword(s):  
Success Rate ◽  
Direct Laryngoscopy ◽  
Video Laryngoscope ◽  
Video Laryngoscopy ◽  
First Year ◽  
Success Rates ◽  
Significant Difference ◽  
Intubation Success ◽  
Cervical Immobilization ◽  
Second Year

Introduction: Pre-hospital intubation is a challenging but essential intervention. During intubation, it is difficult to identify vocal cords when using a cervical collar and trauma board. Therefore, the success rate of intubation by paramedics decreases in trauma patients. Video laryngoscopy increases intubation success rate and has been recommended for difficult airways in studies. Objective: In this study, we compared the intubation success rates when using a video laryngoscope and a direct laryngoscope in a manikin with simulated cervical immobilization.  Methods: In this cross-sectional study, the manikin’s neck collar and spine board created a complicated airway model with cervical immobilization. Inexperienced paramedic students tried intubation with both methods, and their trial periods were recorded. Students answered a question evaluating the convenience of the procedure for both methods after the trial. Results: In this study, 83 volunteers, who were first-year and second-year paramedics, participated; 32 (38.6%) of the volunteers were first-year students, while 51 (61.4%) were second-year students. All volunteers had previous intubation experience with direct laryngoscopy, but not with video laryngoscopy. There was a statistically significant difference in the first-attempt success rates of the procedure between the groups in favor of video laryngoscope (p=0.022). Note that there was no significant difference between the groups in terms of first attempt durations (p=0.337). Conclusion: Video laryngoscopy in airway management can increase the success rate of first-attempt intubation by inexperienced pre-hospital healthcare personnel.

scholarly journals Comparison of VividTrac, King Vision and Macintosh laryngoscopes in normal and difficult airways during simulated cardiopulmonary resuscitation among novices

PLoS ONE ◽  
2021 ◽  
Vol 16 (11) ◽  
pp. e0260140
Author(s):  
Dóra Keresztes ◽  
Ákos Mérei ◽  
Martin Rozanovic ◽  
Edina Nagy ◽  
Zoltán Kovács-Ábrahám ◽  
...  
Keyword(s):  
Cardiopulmonary Resuscitation ◽  
Difficult Airway ◽  
Success Rate ◽  
Endotracheal Intubation ◽  
Macintosh Laryngoscope ◽  
Dental Trauma ◽  
Esophageal Intubation ◽  
Successful Intubation ◽  
Normal Airway ◽  
Novice Users

Introduction Early endotracheal intubation improves neurological outcomes in cardiopulmonary resuscitation, although cardiopulmonary resuscitation is initially carried out by personnel with limited experience in a significant proportion of cases. Videolaryngoscopes might decrease the number of attempts and time needed, especially among novices. We sought to compare videolaryngoscopes with direct laryngoscopes in simulated cardiopulmonary resuscitation scenarios. Materials and methods Forty-four medical students were recruited to serve as novice users. Following brief, standardized training, students executed endotracheal intubation with the King Vision®, Macintosh and VividTrac® laryngoscopes, on a cardiopulmonary resuscitation trainer in normal and difficult airway scenarios. We evaluated the time to and proportion of successful intubation, the best view of the glottis, esophageal intubation, dental trauma and user satisfaction. Results In the normal airway scenario, significantly shorter intubation times were achieved using the King Vision® than the Macintosh laryngoscope. In the difficult airway scenario, we found that the VividTrac® was superior to the King Vision® and Macintosh laryngoscopes in the laryngoscopy time. In both scenarios, we noted no difference in the first-attempt success rate, but the best view of the glottis and dental trauma, esophageal intubation and bougie use were more frequent with the Macintosh laryngoscope than with the videolaryngoscopes. The shortest tube insertion times were achieved using the King Vision® in both scenarios. Conclusion All providers achieved successful intubation within three attempts, but we found no device superior in any of our scenarios regarding the first-attempt success rate. The King Vision® was superior to the Macintosh laryngoscope in the intubation time in the normal airway scenario and noninferior in the difficult airway scenario for novice users. We noted significantly less esophageal intubation using the videolaryngoscopes than using the Macintosh laryngoscope in both scenarios. Based on our results, the KingVision® might be recommended over the VividTrac® and Macintosh laryngoscopes for further evaluation.

scholarly journals Learning curve and performance in simulated difficult airway for the novel C-MAC® video-stylet and C-MAC® Macintosh video laryngoscope: A prospective randomized manikin trial

PLoS ONE ◽  
2020 ◽  
Vol 15 (11) ◽  
pp. e0242154
Author(s):  
James Pius ◽  
Ruediger R. Noppens
Keyword(s):  
Learning Curve ◽  
Difficult Airway ◽  
The Novel ◽  
Continuous Variables ◽  
Normal Airway ◽  
Difficult Airways ◽  
And Performance ◽  
Post Hoc ◽  
Randomized Crossover Study ◽  
Anesthesia Residents

Difficult airways can be managed with a range of devices, with video laryngoscopes (VLs) being the most common. The C-MAC® Video-Stylet (VS; Karl-Storz Germany), a hybrid between a flexible and a rigid intubation endoscope, has been recently introduced. The aim of this study is to investigate the performance of the VS compared to a VL (C-MAC Macintosh blade, Karl-Storz Germany) with regards to the learning curve for each device and its ability to manage a simulated difficult airway manikin. This is a single-center, prospective, randomized, crossover study involving twenty-one anesthesia residents performing intubations on a Bill 1™ (VBM, Germany) airway manikin model. After a standardized introduction, six randomized attempts with VL and VS were performed on the manikin. This was followed by intubation in a simulated difficult airway (cervical collar and inflated tongue) with both devices in a randomized fashion. The primary end-point of this study was the total time to intubation. All continuous variables were expressed as the median [interquartile range] and analyzed using the Mann-Whitney U test. A 2-way ANOVA with Bonferroni’s post hoc test was used to compare both devices at each trial. All reported p values are two sided. The median total time to intubation on a simulated difficult airway was faster with the VS compared to VL (17 [13.5–25] sec vs 23 [18.5–26.5] sec, respectively; 95% CI; P = 0.031). Additionally, on a normal airway manikin, the VS has a comparable learning curve to the VL. In this manikin-based study, the novel VS was comparable to the VL in terms of learning curve in a normal airway. In a simulated difficult airway, the total time to intubation, though likely not clinically relevant, was faster with the VS to the VL. However, given the above findings, this study justifies further human clinical trials with the VS to see if similar benefits–faster time to intubation and similar learning curve to VL–are replicated clinically.

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