VOICE DYSFUNCTION FOLLOWING THYROIDECTOMY
Ali, N., Rashad, H., Mitkees, M., Kamal, M., Al-Habaa, G., Badawy, A., Ali, A., Al-Sabbagh, M. (2007). VOICE DYSFUNCTION FOLLOWING THYROIDECTOMY. EKB Journal Management System, 26(2), 87-93. doi: 10.21608/ejsur.2007.372323
Nabil Ali; Hamed Rashad; Mohamed Mitkees; Mohamed Kamal; Gamal Al-Habaa; Ahmed Badawy; Abdallah Ali; Mohamed Al-Sabbagh. "VOICE DYSFUNCTION FOLLOWING THYROIDECTOMY". EKB Journal Management System, 26, 2, 2007, 87-93. doi: 10.21608/ejsur.2007.372323
Ali, N., Rashad, H., Mitkees, M., Kamal, M., Al-Habaa, G., Badawy, A., Ali, A., Al-Sabbagh, M. (2007). 'VOICE DYSFUNCTION FOLLOWING THYROIDECTOMY', EKB Journal Management System, 26(2), pp. 87-93. doi: 10.21608/ejsur.2007.372323
Ali, N., Rashad, H., Mitkees, M., Kamal, M., Al-Habaa, G., Badawy, A., Ali, A., Al-Sabbagh, M. VOICE DYSFUNCTION FOLLOWING THYROIDECTOMY. EKB Journal Management System, 2007; 26(2): 87-93. doi: 10.21608/ejsur.2007.372323

VOICE DYSFUNCTION FOLLOWING THYROIDECTOMY

The Egyptian Journal of Surgery
Volume 26, Issue 2, April 2007, Page 87-93  XML PDF (259.11 K)
Document Type: Original Article
DOI: 10.21608/ejsur.2007.372323
View on SCiNiTO View on SCiNiTO
Authors
Nabil Ali1; Hamed Rashad1; Mohamed Mitkees* 1; Mohamed Kamal1; Gamal Al-Habaa1; Ahmed Badawy2; Abdallah Ali3; Mohamed Al-Sabbagh4
1Surgery Department, Faculty of Medicine, Benha University
2General Surgery, Ministry of Health
3Hearing & Speech Institute, Cairo
4Neurophysiology Unit, Poliomyelitis Institute, Cairo, Egypt
Abstract
Aim: Voice dysfunction after thyroidectomy is not rare, and is generally reported in terms of recurrent laryngeal nerve (RLN) or superior laryngeal nerve (SLN) injuries. However, voice dysfunction can occur without laryngeal nerves injuries. Prompt recognition of causes of dysphonia is essential so that relevant therapeutic decision allows early management. 
The aim is to analyze voice change after thyroidectomy for patients with normal pre-operative voice. 
Methods: The study included 30 patients who had developed voice changes within 6 months after thyroidectomy. They were subjected to voice evaluation, indirect laryngoscopy, videostroboscopy and electromyography (EMG). 
Results: It was found that dysphonia after thyroid surgery was caused by neurogenic causes (RLN and SLN injuries) in 23 
patients (76.7%), non-neurogenic causes in 5 patients (16.7%) and combined causes in 2 patients (6.6%). EMG studies revealed complete denervation in 6 patients (20%) and incomplete denervation (paresis) in 19 patients (63.3%). 
Conclusion: Post-thyroidectomy dysphonias are not rare. Injuries of the RLN constitute the main cause. Non-neurogenic 
injury is another contributing factor. Diagnosis is essential for early management through videostroboscopy and EMG which is specific to differentiate between neurogenic and traumatic injuries and to detect complete or incomplete denervation.
Keywords
Dysphonia; laryngeal nerves; Vocal folds dysfunction
Statistics
Article View: 71
PDF Download: 23