Association of Airway Complications With Free Tissue Transfer to the Upper Aerodigestive Tract With or Without Tracheotomy.

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Association of Airway Complications With Free Tissue Transfer to the Upper Aerodigestive Tract With or Without Tracheotomy.

JAMA Otolaryngol Head Neck Surg. 2016 Jul 20;

Authors: Cramer JD, Samant S, Greenbaum E, Patel UA

Abstract
Importance: Airway management during microvascular reconstruction of the upper aerodigestive tract is of utmost importance; however, there is considerable debate about optimal management of the airway.
Objective: To examine if free tissue transfer to the upper aerodigestive tract without tracheotomy was associated with an increased rate of airway complications or death.
Design, Setting, and Participants: Cohort study of 861 patients undergoing microvascular reconstruction to sites in the oral cavity, oropharynx (excluding the base of tongue), and nasal and/or sinus cavity using data from the American College of Surgeons National Surgical Quality Improvement Program from 2005 to 2013. We compared the rate of airway-specific complications of patients who underwent simultaneous tracheotomy vs those who did not undergo tracheotomy.
Exposure: Tracheotomy.
Main Outcomes and Measures: The 30-day rate of airway-specific complications, including unplanned intubation, prolonged mechanical ventilation, or death.
Results: Among the 861 patients included in this study (mean age 61 years and 63.3% male), 551 underwent tracheotomy and 310 did not undergo tracheotomy. The rate of tracheotomy based on anatomic site was 66.1% for oral cavity (n = 728), 40.5% for nasal/sinus cavity (n = 85), and 70.3% for oropharynx (n = 48). The difference in the overall rate of airway complications between patients in the no-tracheotomy (10.3%) and tracheotomy (8.3%) groups was 2.0% (95% CI, 1.9%-6.4%). There were no significant differences in the rate of airway complications in the no-tracheotomy and tracheotomy groups for death (0.3% vs 0.7%, respectively; difference, 0.3%; 95% CI, -2.0% to 3.2%), unplanned intubation (3.2% vs 2.9%, respectively; difference, 0.3%; 95% CI, -2.0% to 3.2%) or for prolonged mechanical ventilation (8.1% vs 7.3%; difference, 0.8%; 95% CI, -2.7% to 4.8%). On multivariate analysis tracheotomy was not associated with the primary outcome (odds ratio [OR], 0.8; 95% CI, 0.5-1.3); however, preoperative bleeding disorder (OR, 9.0; 95% CI, 3.3-24.4), preoperative dyspnea (OR, 2.9; 95% CI, 1.5-5.5), and resection of the floor of mouth (OR, 2.1; 95% CI, 1.1-3.9) were associated with airway complications or death.
Conclusions and Relevance: Free tissue transfer to the upper aerodigestive tract is frequently performed without tracheotomy, and this is not associated with a significantly increased rate of airway complications. Routine tracheotomy may be safely avoided in a subset of patients undergoing microvascular reconstruction of the upper aerodigestive tract.

PMID: 27438584 [PubMed - as supplied by publisher]

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