Table 1 Surgical and non-surgical etiology of UVCP
From: Etiology and presenting features of vocal cord paralysis: changing trends over the last two decades
Surgical etiology | |||||
|---|---|---|---|---|---|
|  | First group (n = 229) | Second group (n = 342) | Total (n = 571) | ||
Thyroid and parathyroid surgery | Thyroid surgery only | 27 (11.8%) | 53 (15.5%) | 80 (14%) | |
Parathyroid surgery only | 1 (0.4%) | 5 (1.5%) | 6 (1%) | ||
Both thyroid and parathyroid surgery | 3 (1.3%) | 6 (1.7%) | 9 (1.6%) | ||
Sub-total | 31 (13.5%) | 64 (18.7%) | 95 (16.6%) | ||
Intracranial surgery | 2 (0.8%) | 5 (1.5%) | 7 (1.2%) | ||
Skull base surgery | 3 (1.4%) | 2 (0.6%) | 5 (0.9%) | ||
Neck surgery (other than thyroid and parathyroid surgery) | Neck dissection | 7 (3%) | 10 (2.9%) | 17 (3%) | |
Parapharyngeal tumor excision | 9 (3.9%) | 14 (4.1%) | 23 (4%) | ||
Carotid endarterectomy | 3 (1.3%) | 0 | 3 (0.5%) | ||
Branchial cyst excision | 2 (0.8%) | 3 (0.9%) | 5 (0.9%) | ||
Tracheal resection and anastomosis | 0 | 2 (0.6%) | 2 (0.4%) | ||
Sub-total | 21 (9.3%) | 29 (8.5%) | 50 (8.8%) | ||
Spine surgery | 17 (7.4%) | 24 (7%) | 41 (7.2%) | ||
Thoracic surgery | 16 (6.9%) | 31 (9%) | 47 (8.2%) | ||
Total | 90 (39.3%) | 155 (45.3%) | 245 (42.9%) | ||
Non-surgical etiology | |||||
Idiopathic | 64 (27.9%) | 68 (19.9%) | 132 (23.1%) | ||
Trauma | 10 (4.4%) | 16 (4.8%) | 26 (4.6%) | ||
Intubation | 3 (1.3%) | 4 (1.1%) | 7 (1.2%) | ||
Malignancy | Laryngeal malignancy | 10 (4.4%) | 14 (4%) | 24 (4.2%) | |
Thyroid malignancy | 5 (2.2%) | 6 (1.8%) | 11 (1.9%) | ||
Non-larynx and non-thyroid malignancy | Esophageal carcinoma | 5 (2.2%) | 7 (2%) | 12 (2.1%) | |
Lung cancer | 4 (1.8%) | 5 (1.5%) | 9 (1.6%) | ||
Metastatic nodes | 5 (2.2%) | 7 (2%) | 12 (2.1%) | ||
Non-Hodgkin’s lymphoma | 1 (0.4%) | 2 (0.6%) | 3 (0.5%) | ||
Hodgkin’s lymphoma | 1 (0.4%) | 2 (0.6%) | 3 (0.5%) | ||
Sub-total | 16 (7%) | 23 (6.7%) | 39 (6.8%) | ||
CNS pathology | 7 (3%) | 14 (4%) | 21 (3.8%) | ||
Infectious diseases | Pulmonary tuberculosis | 9 (3.9%) | 13 (3.8%) | 22 (3.9%) | |
Tuberculous lymph node neck | 5 (2.2%) | 7 (2%) | 12 (2.1%) | ||
Other infections | 2 (0.9%) | 4 (1.2%) | 6 (1%) | ||
Sub-total | 16 (7%) | 24 (7%) | 40 (7%) | ||
Radiotherapy | 6 (2.6%) | 13 (3.8%) | 19 (3.3%) | ||
Miscellaneous | 2 (0.9%) | 5 (1.5%) | 7 (1.2%) | ||
Total | 139 (60.7%) | 187 (54.6%) | 326 (57.1%) | ||