Best practices for emergency surgical airway: A systematic review

Elliana K DeVore, Andrew Redmann, Rebecca Howell, Sid Khosla
Laryngoscope Investigative Otolaryngology 2019, 4 (6): 602-608

Objective: In the case of an emergency surgical airway, current guidelines state that surgical cricothyrotomy is preferable to tracheotomy. However, complications associated with emergency cricothyrotomy may be more frequent and severe. We systematically reviewed the English literature on emergency surgical airway to elicit best practices.

Methods: PubMed, Embase, MEDLINE, and the Cochrane Library were searched from inception to January 2019 for studies reporting emergency cricothyrotomy and tracheotomy outcomes. All English-language retrospective analyses, systematic reviews, and meta-analyses were included. Case reports were excluded, as well as studies with pediatric, nonhuman, or nonliving subjects.

Results: We identified 783 articles, and 20 met inclusion criteria. Thirteen evaluated emergency cricothyrotomy and included 1,219 patients (mean age = 39.8 years); 4 evaluated emergency tracheotomy and included 342 patients (mean age = 46.0 years); 2 evaluated both procedures. The rate of complications with both cricothyrotomy and tracheotomy was comparable. The most frequent early complications were failure to obtain an airway (1.6%) and hemorrhage (5.6%) for cricothyrotomy and tracheotomy, respectively. Airway stenosis was the most common long-term complication, occurring at low rates in both procedures (0.22-7.0%).

Conclusions: Complications associated with emergency cricothyrotomy may not occur as frequently as presumed. Tracheotomy is an effective means of securing the airway in an emergent setting, with similar risk for intraoperative and postoperative complications compared to cricothyrotomy. Ultimately, management should depend on clinician experience and patient characteristics.

Level of Evidence: IV.

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