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The aim of this study is the analysis of postural changes of patients affected by vocal disorders post-thyroidectomy, in the absence of post-operative organ damage, through a stabilometry analysis, evaluating the effectiveness of a speech-language intensive treatment in phoniatric and postural quality recovery. 260 patients with vocal dysfunction after surgery without iatrogenic damage were enrolled. 130 patients were subject to post-surgical logopedic rehabilitative training (Group A); other 130 patients were not subject to any post-surgical treatment (Group B). For all patients, vocal and stabilometric parameters were evaluated before and after 2 days and 1 month from surgery. Vocal parameters evaluated were Voice Handicap Index-10, Maximum Phonation Time and objective evaluation of voice with Multidimensional Voice Program (MDVP). Stabilometric parameters evaluated were Sway area (mm2) and Sway velocity (mm/s) in firm surface and foam pad with eyes opened and closed. Regarding the stabilometric parameters, Group A obtained a statistically significant recovery of the correct posture statistically significant compared to Group B, after a month of speech therapy. Vocal parameters (VHI, MPT, MDVP) were statistically different between the two groups (p < 0.05), with a better improvement in Group A. Thanks to our study, we have shown that a logopedic rehabilitation therapy in patients with dysfunctional post-thyroidectomy dysphonia improves both the vocal and postural outcomes. [ABSTRACT FROM AUTHOR]

Purpose: Mental nerve (MN) injury can be caused by transoral endoscopic thyroidectomy vestibular approach (TOETVA). The purpose of this experimental study was to determine the location and distribution pattern of MN structures in relation to oral vestibular incisions. Methods: Ten cadaver specimens were included, yielding a total of 20 MNs. The difference between standard 10-mm TOETVA median incision and modified incision (i.e. lower and perpendicular) was compared. Results: All 20 MNs were successfully dissected and presented as bifid (100%), lateral toward medial direction. The branches of MNs were equally distributed into both right and left sides. Standard lateral 5-mm vestibular incisions did not determine any division of MN branches. Two left MNs (25%) and one right MN (12.5%) were injured by standard median vestibular incision. Using a more inferiorly positioned and a vertical median incision, the integrity of MN branches was preserved. Conclusions: Standard lateral 5-mm vestibular incisions are safe for determining MN integrity. The 10-mm median vestibular incision divided the medial ramifications of MN at a rate of 12–25%. These may result in MN ipsilateral or bilateral paralysis. Hence, it is recommended to locate the median incision more inferiorly or vertically. [ABSTRACT FROM AUTHOR]