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V-Gel^® Guided Endotracheal Intubation in Rabbits.

ABSTRACT: Background: General anesthesia in rabbits is associated with higher morbidity and mortality relative to other mammalian species commonly anesthetized. Unique challenges related to endotracheal intubation (ETI) in rabbits contribute to this risk. Objective: To improve the safety of ETI in rabbits, we developed two new ETI methods using a supraglottic airway device (v-gel^®) to facilitate ETI and compared them to traditional "blind" technique. We hypothesized that relative to blind ETI, v-gel^® guided ETI provides more successful placement of the endotracheal tube (ETT) in a shorter time. Outcomes included number of intubation attempts, time for achievement of ETI, endoscopic findings, and serial arterial blood gas (ABG) analysis. Study Design: Prospective, randomized, and crossover study. Methods: Ten female, New Zealand White rabbits aged 1-2 years old, weighing 4.3 ± 0.4 kg, were anesthetized four times. Each time, ETI was performed with one of the following techniques: Method 1: v-gel^® guided, polypropylene catheter facilitated, intubation using a cuffed ETT; Method 2: v-gel^® guided intubation using an uncuffed ETT directly inserted through the device airway channel; Method 3 and 4: Blind intubation with uncuffed or cuffed ETT. Upper airway endoscopy was performed before intubation attempts and after extubation. Serial ABG analysis was performed during the peri-intubation process. Results: V-gel^® guided techniques allowed successful ETI on the initial attempt for 9/10 subjects using Method 1 and 10/10 using Method 2. Relative to the v-gel^® guided techniques, the blind techniques required more intubation attempts. A median of 2 attempts (range 1-4, p < 0.007) were required for the uncuffed ETT, and a median of 4 (range 1-4, p < 0.001) attempts were performed for the cuffed ETT. The time to perform successful ETI was positively correlated with the number of attempts (ρ = 0.82), while successful ETI was negatively correlated with number of attempts (ρ = -0.82). Endoscopic findings showed mild to moderate laryngeal trauma. In the absence of oxygen supplementation, ABG analysis demonstrated low PaO₂, while PaCO₂ remained consistent. Conclusions: Facilitated ETI using the v-gel^® guided techniques allows for the rapid establishment of a secure airway to provide ventilatory support for rabbits undergoing general anesthesia.

SUBMITTER: Fusco A

PROVIDER: S-EPMC8383107 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:OBJECTIVES:Teleguidance facilitated intubation has recently reemerged during the coronavirus disease 2019 pandemic as a strategy to provide expert airway management guidance and consultation to practitioners in settings where such expertise is not readily available onsite or in-person. We conducted a scoping review to provide a synthesis of the available literature on teleguidance facilitated intubation. Specifically, we aimed to evaluate the feasibility, safety, and efficacy of teleguidance facilitated intubation given existing technology. DATA SOURCES:A librarian-assisted search was performed using three primary electronic medical databases from January 2000 to November 2020. STUDY SELECTION:Articles that reported outcomes focused on implementing or evaluating the performance of teleguidance facilitated intubation were included. DATA EXTRACTION:Two reviewers independently screened titles, abstracts, and full text of articles to determine eligibility. Data extraction was performed using customized fields established a priori within a systematic review software system. DATA SYNTHESIS:Of 255 citations identified, 17 met eligibility criteria. Studies included prospective investigations and proof of technology reports. These studies were performed in clinical and simulation environments. Five of the prospective investigations that examined time to intubation and intubation success rates. Multiple different commercially available and noncommercial teleconference software systems were used in these studies. CONCLUSIONS:There is a limited body of literature evaluating the feasibility, safety, and efficacy of teleguidance facilitated intubation. Based on the studies available that examined a variety of technologies within simulation and clinical environments, teleguidance facilitated intubation appears to be feasible, safe, and efficacious. Given the exponential growth in the use of telemedicine technology during the coronavirus disease 2019 pandemic and the evidence supporting teleguidance facilitated intubation, there is a need to critically evaluate the most effective mechanisms to integrate and optimize these technologies across diverse practice settings.

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V-Gel^® Guided Endotracheal Intubation in Rabbits.

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V-Gel® Guided Endotracheal Intubation in Rabbits.

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V-Gel^® Guided Endotracheal Intubation in Rabbits.