European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2018
Long-term functional voice outcomes after thyroidectomy, and effect of endotracheal intubation on voice.
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Обработка статьи · этапы, ошибки и управление
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Sung Eui Suk, Kim Ki Young, Yun Bo Ram, Song Chang Myeon, Ji Yong Bae, Lee Jin Choon, Tae Kyung
Аннотация
PURPOSE: The aim of this study was to evaluate long-term functional voice outcomes after thyroidectomy, and the effect of endotracheal intubation on post-operative voice impairment.
METHODS: We prospectively analyzed the voice outcomes of 155 serial thyroidectomy patients for up to 2 years. The control group consisted of 69 patients who underwent parotidectomy. Patients with post-operative recurrent laryngeal nerve palsy or palsy of the external branch of the superior laryngeal nerve were excluded. Self-assessment voice symptom scores (VSS) by questionnaire, and objective acoustic parameters and maximum phonation times, were evaluated pre-operatively and 1 day, 3 days, 1 week, 1 month, 3, 6, 12, 18, and 24 months after surgery.
RESULTS: VSS increased from day 1 after surgery in both groups, and returned to pre-operative levels by 24 months in the thyroidectomy group and after 1 week post-operatively in the parotidectomy (control) group. The post-operative VSS of the thyroidectomy group was significantly higher than that of the control group up to 12 months post-operatively. Highest frequency decreased immediately after surgery in the thyroidectomy group, and recovered to pre-operative levels by 12 and 18 months in females and males, respectively, whereas it recovered to pre-operative levels after the first week in the control group.
CONCLUSION: Impairment of voice function may persist for more than 18 months after thyroidectomy even in patients without RLN palsy. Endotracheal intubation can affect voice outcomes adversely for 1 week post-operatively.
METHODS: We prospectively analyzed the voice outcomes of 155 serial thyroidectomy patients for up to 2 years. The control group consisted of 69 patients who underwent parotidectomy. Patients with post-operative recurrent laryngeal nerve palsy or palsy of the external branch of the superior laryngeal nerve were excluded. Self-assessment voice symptom scores (VSS) by questionnaire, and objective acoustic parameters and maximum phonation times, were evaluated pre-operatively and 1 day, 3 days, 1 week, 1 month, 3, 6, 12, 18, and 24 months after surgery.
RESULTS: VSS increased from day 1 after surgery in both groups, and returned to pre-operative levels by 24 months in the thyroidectomy group and after 1 week post-operatively in the parotidectomy (control) group. The post-operative VSS of the thyroidectomy group was significantly higher than that of the control group up to 12 months post-operatively. Highest frequency decreased immediately after surgery in the thyroidectomy group, and recovered to pre-operative levels by 12 and 18 months in females and males, respectively, whereas it recovered to pre-operative levels after the first week in the control group.
CONCLUSION: Impairment of voice function may persist for more than 18 months after thyroidectomy even in patients without RLN palsy. Endotracheal intubation can affect voice outcomes adversely for 1 week post-operatively.