Secondary thyroidectomy: A twenty‐year experience

Abstract

Abstract Secondary thyroidectomy is an operation generally considered to be associated with a significantly increased risk of damage to the recurrent laryngeal nerves and parathyroid glands. During a 20‐year period, to December, 1986, a total of 408 secondary thyroidectomies were performed. The majority (n=227) were for recurrent nodular goiter, followed by reoperations for thyroid cancer (n=151), and operations for secondary thyrotoxicosis (n=30). The incidence of operative recurrent laryngeal palsy was 1.5% over the 20‐year period, while the incidence of permanent hypoparathyroidism fell from 3.5% during the first 15 years to 1.6% over the last 5 years, with a similar fall in the incidence of transient hypocalcemia (8.4% down to 4.8%). The risk of complications can be minimized by careful attention to operative detail, employing the technique of capsular dissection with preservation of the vascular supply to the parathyroid glands while protecting the recurrent laryngeal nerve .