Abstract
Objective: The most optimal form of thyroidectomy for thyrotoxicosis is controversial. Geographical factor, possibly due to the difference in iodine intake, can profoundly influence the therapy outcomes. The results of different forms of thyroidectomy in a local hospital for thyrotoxicosis is presented. Their pros and cons were evaluated.Methods: From January 1995 to December 2001, 69 patients with toxic goitres treated surgically were retrospectively studied. The factors potentially affecting the postoperative thyroid function were also analysed.Results: The mean follow‐up duration was 22.6 ± 17.2 months. The incidence of permanent vocal cord palsy and hypoparathyroidism were 0 and 2.9%, respectively. Remission, hypothyroidism, and recurrent hyperthyroidism occurred in 39, 52.5 and 8.5% respectively, of patients who have undergone either subtotal thyrodiectomy or Dunhill procedure (hemithyroidectomy plus contralateral subtotal lobectomy). Only the size of the remnant was found to be a significant factor of postoperative hypothyroidism (P = 0.048).Conclusion: Subtotal thyroidectomy or Dunhill procedure are efficacious in treating thyrotoxicosis with acceptable incidence of operative complications and recurrent hyperthyroidism. A significant portion of patients were rendered euthyroid without the need of thyroxine replacement.
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