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Jacek Smereka Lukasz Szarpak Adam Smereka Steve Leung Kurt Ruetzler 《The American journal of emergency medicine》2017,35(4):604-609
Background
The impact of high-quality chest compressions during CPR for the patients' outcome is undisputed, as it is essential for maintaining vital organ perfusion. The aim of our study is to compare the quality of chest compression (CC) and ventilation among the two current standard techniques with our novel “nTTT” technique in infant CPR.Methods
In this randomized crossover, manikin trial, participants performed CCs using three techniques in a randomized sequence: standard two finger technique (TFT); standard two thumb technique (TTHT), and the ‘new two-thumb technique’ (nTTT). The novel method of CCs in an infant consists in using two thumbs directed at the angle of 90° to the chest while closing the fingers of both hands in a fist.Results
Median depth compression using the distinct chest compression techniques varied and amounted to 26 [IQR, 25–28] mm for TFT, and 39 [IQR, 39–39] mm for TTHT as well as for nTTT. Best percentage of fully released compressions were received using TFT (100[100 ? 100] %), then in the case of nTTT (99[98–100] %), and the worst in situation where TTHT (18[14–19] %). was used. The fastest chest compression rate was achieved with TFT (134[IQR, 129–135]/min) and the slowest when using nTTT (109 [IQR, 105–111]/min).Conclusions
We found that our new nTTT technique's performance, in terms of compression depth, hands-off time, and ventilation quality, is comparable to the current standards. Based on our findings of this initial manikin study, the nTTT technique is superior to TFT in many of parameters that are vital to a quality chest compression during pediatric CPR. 相似文献5.
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Lukasz Szarpak Jacek Smereka Jerzy R Ladny 《The American journal of emergency medicine》2017,35(5):796-797
Introduction
In the difficult airway, the intubation skills are critically important. In selected cases, particularly in airway edema, laryngeal or tongue edema, endotracheal intubation can turn out very difficult, and repeated attempts may even worsen the airway edema, causing trauma and bleeding, and finally leading to complete airway obstruction and inability to ventilate the patient.Aim of the study
The aim of the study was to compare the efficacy of endotracheal intubation performed by novice physicians using a standard Macintosh laryngoscope and an Intubrite videolaryngoscope.Material and methods
The study was designed as a prospective, randomized, crossover, simulation study and continues our research assessing the effectiveness of selected endotracheal intubation techniques in prehospital settings. All participants were experienced with the Macintosh direct laryngoscope but remained novice to videolaryngoscopy. Instructions on the correct use of the Macintosh and Intubrite laryngoscopes were given before the procedure, and all the 30 novice physicians were allowed to practice at least 10 times before the study on manikin with normal airways. We employed an airway manikin (Trucorp Airsim Bronchi; Trucorp Ltd., Belfast, Northern Ireland) to simulate difficult airway, with was obtained by inflating the tongue with 50 mL of air. The participants were asked to perform tracheal intubation using an endotracheal tube with 7.5 mm of internal diameter (Portex; Smiths Medical, Hythe, UK) through the vocal cords, applying either a conventional Macintosh laryngoscope with a size 3 blade (MAC; Mercury Medical, Clearwater, FL, USA) or the Intubrite videolaryngoscope, also with a Macintosh No. 3 blade (INT; Intubrite Llc, Vista, CA, USA). In both intubation techniques, a guide stylet (Rusch Inc., Duluth, GA, USA) was introduced into the endotracheal tube in order to obtain a C-shape curve to facilitate tracheal intubation. Each participating physician was randomly assigned to three attempts of tracheal intubation with each device.Results
The effectiveness of the first intubation attempt using MAC and INT was 63.6% and 53.4%, respectively (p = 0.023), and the total percentage of intubation was 100% for both methods. The median time to intubation was 29.5 (interquartile range [IQR], 27–35.5) s with MAC, and 229 (IQR, 25.5–37) s with INT. The total of 24 physicians out of all study participants would choose MAC as a device to intubate with in real terms, while only 6 physicians would choose INT.Conclusions
During the simulation study, the novice physicians were able to perform endotracheal intubation at the same time using both the Macintosh and Intubrite videolaryngoscope. However, the efficacy of the first intubation attempt was higher for MAC. Further studies are needed to confirm the results. 相似文献14.
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