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Erschienen in:
25.10.2023 | Head and Neck
Preoperative tracheostomy is associated with thyroid gland invasion and poorer prognosis in laryngectomized patients
Erschienen in: European Archives of Oto-Rhino-Laryngology | Ausgabe 2/2024
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Purpose
Patients with laryngeal cancer may necessitate tracheostomy placement to alleviate compromised airways. However, the impact of tracheostomy on thyroid gland invasion and its implications for prognosis in individuals who further undergo total laryngectomy remains unclear. This study aimed to assess thyroid gland invasion rates and explore the 5-years disease-free and overall survival in laryngectomized patients stratified by preoperative tracheostomy.
Methods
All patients who underwent total laryngectomy for laryngeal cancer between 2003 and 2023 at a tertiary referral center were retrospectively reviewed. Logistic univariable and multivariable regressions were performed to identify factors associated with thyroid gland invasion. Survival analyses were performed using the Kaplan–Meier estimator.
Results
A total of 119 laryngectomized patients were included (mean age: 63 ± 10 years, range 35–89, 110 [92.4%] males); 27 (22.7%) underwent preoperative tracheostomy. In 16 (13.4%) patients, tumor cells were found within the thyroid gland. In a multivariable analysis, thyroid gland invasion was independently associated with preoperative tracheostomy (odds ratio [OR] 3.13, 95% confidence interval [CI] 2.45–6.19), pN2 + (OR 2.13, 95% CI 1.8–5.14), positive margins (OR 1.36, 95% CI 1.01–1.77), lower 5-year disease-free survival (38% vs. 57%, p = 0.01), and lower 5-year overall survival (40% vs. 56%, p = 0.03).
Conclusion
Preoperative tracheostomy is an independent predictive factor for thyroid gland invasion and has adverse oncological outcomes in laryngectomized patients. Conversely, the rates of thyroid gland invasion are low when tracheostomy was not performed beforehand.