Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Παρασκευή 7 Δεκεμβρίου 2018

Factors of local recurrence and organ preservation with transoral laser microsurgery in laryngeal carcinomas; CHAID decision‐tree analysis

Abstract

Background

Indications of transoral laser microsurgery (TLM) are conditioned by the risk of local relapse.

Objective

To evaluate prognostic factors of local relapse and local control with TLM (LC‐TLM).

Methods

Local relapse and LC‐TLM were evaluated in 1119 patients. Logistic regression and CHAID decision tree analysis were performed.

Results

Local relapse correlated to previous radiotherapy failure (8.45, CI 95%: 2.64‐27.03; P < .001), paraglottic involvement (2.42, CI: 1.41‐4.15; P = .001), anterior commissure involvement (2.12, CI: 1.43‐3.14; P < .001), grade of differentiation (1.74, CI: 1.18‐2.57; P = .005), and alcohol consumption (1.4, CI: 0.99‐1.98; P = .057). Local relapse tended to inversely correlate with experience (0.73, CI: 0.51‐1.03; P = .078). The most important factors for local relapse were previous radiotherapy failure and anterior commissure involvement.

LC‐TLM inversely correlated with previous radiotherapy failure (0.09, CI: 0.03‐0.28; P < .001), paraglottic involvement (0.25, CI: 0.14‐0.43; P < .001), anterior commissure involvement (0.49, CI: 0.32‐0.77; P = .007), margins (0.56, CI: 0.30‐1.04; P = .068), and differentiation (0.68, CI: 0.44‐1.05; P = .087). LC‐TLM correlated with experience (1.71, CI: 1.13‐2.55; P = .010). The most important factors for LC‐TLM were previous radiotherapy failure and paraglottic involvement.

Conclusion

Previous radiotherapy failure is the most important factor for local relapse and LC‐TLM. In primary treatments, anterior commissure involvement and paraglottic involvement are the most important factors for local relapse and LC‐TLM, respectively.



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