Risk factors for acute unplanned tracheostomy during panendoscopy in HNSCC patients.

<h4>Background</h4>Despite of careful pre-operative risk evaluation some patients require an acute unplanned tracheostomy during panendoscopy.<h4>Methods</h4>Risk factors of patients requiring an unplanned tracheostomy during panendoscopy (n = 32) were compared to a control group with panendoscopy without tracheostomy (n = 180).<h4>Results</h4>2131 panendoscopies for Head and Neck squamous cell carcinoma were performed at our Department between 2000 and 2014. Unplanned tracheostomies were necessary in 1.6% of all panendoscopies. Patients with laryngeal cancer (p = 0.001) or abnormal activated partial thromboplastin time (aPTT) (p = 0.03) had a statistically significant higher risk of unplanned tracheostomy. Regression analysis showed that patients with advanced laryngeal cancer had an almost 6 times higher risk for tracheostomy than patients with early stage oropharyngeal cancer.<h4>Conclusions</h4>We identified abnormal aPTT and laryngeal carcinoma as significant predictors for unplanned tracheostomy during panendoscopy. The results of our study could improve preoperative risk evaluation in HNSCC patients.

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