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Manikin Study (manikin + study)

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Medical Sciences	100%

Selected Abstracts

Manikin study of fibreoptic-guided intubation through the classic laryngeal mask airway with the Aintree intubating catheter vs the intubating laryngeal mask airway in the simulated difficult airway,

ANAESTHESIA, Issue 8 2010
A. M. B. Heard
Summary In this randomised crossover manikin study of simulated difficult intubation, 26 anaesthetists attempted to intubate the trachea using two fibreoptic-guided techniques: via a classic laryngeal mask airway using an Aintree intubating catheter and via an intubating laryngeal mask airway using its tracheal tube. Successful intubation was the primary endpoint, which was completed successfully in all 26 cases using the former technique, and in 5 of 26 cases using the latter (p < 0.0001). The former technique also proved quicker to reach the vocal cords with the fibrescope (median (IQR [range])) time 18 (14,20 [8,44]) s vs 110 (70,114 [30,118]) s, respectively; p = 0.008); and to first ventilation (93 (74,109 [52,135]) s vs 135 (79,158 [70,160]) s, respectively; p = 0.0038)]. We conclude that in simulated difficult intubation, fibreoptic intubation appears easier to achieve using a classic laryngeal mask airway and an Aintree intubating catheter than through an intubating laryngeal mask airway. [source]

A comparison of bonfils fiberscope-assisted laryngoscopy and standard direct laryngoscopy in simulated difficult pediatric intubation: a manikin study

PEDIATRIC ANESTHESIA, Issue 6 2010
ARNIM VLATTEN MD
Summary Introduction:, Difficult airway management in children is challenging. One alternative device to the gold standard of direct laryngoscopy is the STORZ Bonfils fiberscope (Karl Storz Endoscopy, Tuttlingen, Germany), a rigid fiberoptic stylette-like scope with a curved tip. Although results in adults have been encouraging, reports regarding its use in children have been conflicting. We compared the effectiveness of a standard laryngoscope to the Bonfils fiberscope in a simulated difficult infant airway. Methods:, Ten pediatric anesthesiologists were recruited for this study and asked to perform three sets of tasks. For the first task, each participant intubated an unaltered manikin (SimBaby TM, Laerdal, Puchheim, Germany) five times using a styletted 3.5 endotracheal tube (ETT) and a Miller 1 blade (group DL-Normal). For the second task, a difficult airway configuration simulating a Cormack-Lehane grade 3B view was created by fixing a Miller-1 blade into position in the manikin using a laboratory stand. Each participant then intubated the manikin five times with a styletted 3.5 ETT using conventional technique but without touching the laryngoscope (group DL-Difficult). In the third task, the manikin was kept in the same difficult airway configuration, and each participant intubated the manikin five times using a 3.5-mm ETT mounted on the Bonfils fiberscope as an adjunct to direct laryngoscopy with the Miller-1 blade (group BF-Difficult). Primary outcomes were time to intubate and success rate. Results:, A total of 150 intubations were performed. Correct ETT placement was achieved in 100% of attempts in group DL-Normal, 90% of attempts in group DL-Difficult and 98% of attempts in BF-Difficult. Time to intubate averaged 14 s (interquartile range 12,16) in group DL-Normal; 12 s (10,15) in group DL-Difficult; and 11 s (10,18) in group BF-Difficult. The percentage of glottic opening seen (POGO score) was 70% (70,80) in group DL-Normal; 0% (0,0) in group DL-Difficult; and 100% (100,100) in group BF-Difficult. Discussion:, The Bonfils fiberscope-assisted laryngoscopy was easier to use and provided a better view of the larynx than simple direct laryngoscopy in the simulated difficult pediatric airway, but intubation success rate and time to intubate were not improved. Further studies of the Bonfils fibrescope as a pediatric airway adjunct are needed. [source]

Manikin study of fibreoptic-guided intubation through the classic laryngeal mask airway with the Aintree intubating catheter vs the intubating laryngeal mask airway in the simulated difficult airway,

A comparison of McGrath and Macintosh laryngoscopes in novice users: a manikin study

ANAESTHESIA, Issue 11 2009
D. C. Ray
Summary Direct laryngoscopy using the Macintosh laryngoscope is a difficult skill to acquire. Videolaryngoscopy is a widely accepted airway management technique that may be easier for novices to learn. We compared the McGrath® videolaryngoscope and Macintosh laryngoscope by studying the performance of 25 medical students with no previous experience of performing tracheal intubation using an easy intubation scenario in a manikin. The order of device use was randomised for each student. After brief instruction each participant performed eight tracheal intubations with one device and then eight tracheal intubations with the other laryngoscope. Novices achieved a higher overall rate of successful tracheal intubation, avoided oesophageal intubation and produced less dental trauma when using the McGrath. The view at laryngoscopy was significantly better with the McGrath. Intubation times were similar for both laryngoscopes and became shorter with practice. There was no difference in participants' rating of overall ease of use for each laryngoscope. [source]

Tracheal intubation and alternative airway management devices used by healthcare professionals with different level of pre-existing skills: a manikin study,

ANAESTHESIA, Issue 5 2009
B. M. Wahlen
Summary The classic Laryngeal Mask Airway (cLMAÔ), ProSeal Laryngeal Mask Airway (PLMAÔ), Intubating Laryngeal Mask AirwayÔ (ILMAÔ), Combitube (CTÔ), Laryngeal Tube (LTÔ) and tracheal intubation (TI) were compared in a manikin study. Nurses, anaesthetic nurses, paramedics, physicians and anaesthetists inserted the devices three times in a randomised sequence. Time taken for successful insertion, success rates and ease of insertion were evaluated. Anaesthetists performed tracheal intubation significantly faster than other healthcare professionals (p < 0.05). Insertion times for the cLMA, PLMA, LT and CT were not significantly different between the groups. Insertion of the CT, ILMA and TI was associated with a significant learning effect in all groups. This was not observed with the cLMA, PLMA or LT. All non-anaesthetists were able to insert the cLMA, PLMA and LT within two attempts with a > 90% success rate on the first attempt. The ILMA and TI were the only devices where more than one subject experienced some difficulty in insertion. The cLMA, PLMA and LT should be evaluated for use in situations where only limited airway training is possible. [source]

A simple fibreoptic assisted laryngoscope for paediatric difficult intubation: a manikin study,

ANAESTHESIA, Issue 4 2009
K. Komiya
Summary The fibreoptic assisted laryngoscope is a new airway device. We compared the fibreoptic assisted laryngoscope with the Bullard laryngoscope, Macintosh laryngoscope and fibreoptic bronchoscope in a manikin with a simulated Cormack and Lehane Grade 4 laryngoscopic view. Eighteen anaesthetists intubated the manikin's trachea using these devices and the success rate of intubation was measured. They were then asked to rate the subjective difficulty of intubation. The success rate (95% confidence interval) was 100% (94.6,100) with the fibreoptic assisted laryngoscope, 88.9% (80.5,97.3) using the Bullard laryngoscope, 37.0% (24.1,49.9) with the Macintosh laryngoscope, and 22.2% (11.1,33.3) using the fibreoptic bronchoscope. Tracheal intubation using the fibreoptic assisted laryngoscope or Bullard laryngoscope is easier than that using the Macintosh laryngoscope or fibreoptic bronchoscope by subjective difficulty score. All of the intubations were successful with the fibreoptic assisted laryngoscope without practice. These results suggest that fibreoptic assisted laryngoscope may be a useful tool for paediatric difficult intubation. [source]

Ease of intubation with the GlideScope or Airway Scope by novice operators in simulated easy and difficult airways , a manikin study,

ANAESTHESIA, Issue 2 2009
B. H. Tan
Summary The GlideScope and Airway Scope are video laryngoscopes that have been found to be useful in difficult airway situations. With the GlideScope, there are frequently problems associated with insertion of the tracheal tube despite the ability to view the glottis. The Airway Scope's imaging system and disposable PBlade aid alignment of the PBlade with the glottis and guide insertion of the tracheal tube. We performed a randomised crossover study of 20 medical students using both videolaryngoscopes in a manikin, with simulated normal and difficult airway scenarios. We found that the students required less time for tracheal intubation with the Airway Scope and reported greater ease of intubation with the Airway Scope in both scenarios. A greater number of students chose the Airway Scope as their device of choice. Our results suggest that the Airway Scope's features may improve the ease of tracheal intubation compared with the GlideScope. [source]

Comparison of times to achieve fibreoptic intubation with three techniques by different grades of anaesthetists: a manikin study

ANAESTHESIA, Issue 3 2007
I. Hodzovic
No abstract is available for this article. [source]

The rigid nasendoscope as a tool for difficult tracheal intubation: A manikin study,

ANAESTHESIA, Issue 7 2003
N. Goodwin
Summary We examined the use of the 30° rigid nasendoscope in aiding difficult tracheal intubations. A Cormack and Lehane grade 4 difficult intubation (no view of glottis or epiglottis) was set up on a manikin. After 10 s of tuition, 40 anaesthetists attempted to pass a standard gum elastic bougie between the cords, with and without the nasendoscope, in randomised order. A bougie curved to an ,optimal curve' was also tested. Using the standard bougie 13/40 (33%) passed the bougie between the cords without the nasendoscope, compared with 31/40 (78%) when using the nasendoscope (p < 0.001). The ,optimal curve' bougie resulted in 29/40 (73%) and 39/40 (98%) success rates without and with the nasendoscope, respectively (p = 0.004). The nasendoscope is a simple and easy to use tool in grade 4 intubation, and results are improved further by the use of an ,optimal curve' bougie. [source]