A pilot study evaluating the utility of a novel tube cricothyrotomy technique in providing ventilation in small animals using a live porcine model

Sureiyan Hardjo, Catriona Croton, Mark D HaworthSchool of Veterinary Science, The University of Queensland, Gatton 4343, Queensland, AustraliaCorrespondence: Sureiyan HardjoSchool of Veterinary Science, The University of Queensland, Gatton 4343, Queensland, AustraliaEmail s.hardjo@uq.edu.auBackgroun...

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Autores principales: Hardjo S, Croton C, Haworth MD
Formato: article
Lenguaje:EN
Publicado: Dove Medical Press 2019
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Acceso en línea:https://doaj.org/article/ef6f3e5e727042529cdb6c24ef186948
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Sumario:Sureiyan Hardjo, Catriona Croton, Mark D HaworthSchool of Veterinary Science, The University of Queensland, Gatton 4343, Queensland, AustraliaCorrespondence: Sureiyan HardjoSchool of Veterinary Science, The University of Queensland, Gatton 4343, Queensland, AustraliaEmail s.hardjo@uq.edu.auBackground: Tube cricothyrotomy has been suggested as a first-choice for emergency surgical airway access in small animals, rather than the more commonly accepted procedures of tracheotomy and needle cricothyrotomy.Methods: A small pilot study of tube cricothyrotomy in a live porcine model was conducted to evaluate this method. The technique was modified to permit the use of commonly available equipment and ease of application. Following ethics approval, a tube cricothyrotomy was performed on 9 live pigs. The endpoints were the efficacy of ventilation through the tube as measured by end-tidal carbon dioxide, successful placement of the tube and the time taken for placement.Results: Of the nine pigs, eight had a tube placed successfully, with the median procedure time being 111.5 seconds (range: 35–240 seconds). After 10 mins, the mean end-tidal carbon dioxide was 58.3 mmHg (95% CI: 55.2–61.3 mmHg), with a range of 54–64 mmHg. Tube cricothyrotomy holds promise as a means of rapidly obtaining tracheal access in small animals and temporarily sustaining ventilation in an emergency.Conclusion: Further detailed investigation is warranted to assess the use of this technique in the small animal emergency setting.Keywords: cricothyrotomy, tracheostomy, canine, ventilation, airway, obstruction, front of neck access