• Jérémie H Lefevre, Christophe Tresallet, Laurence Leenhardt, Christelle Jublanc, Jean-Paul Chigot, and Fabrice Menegaux.
• Service de Chirurgie Générale, Hôpital de la Pitié, 47-83 Boulevard de l'hôpital, 75651, Paris Cedex 13, France. fabrice.menegaux@psl.aphp.fr
• Langenbecks Arch Surg. 2007 Nov 1; 392 (6): 685-91.

Background And AimsReoperative surgery for thyroid disease is rare. However, it is sometimes indicated for nodular recurrence after partial surgery for initially benign thyroid disease or for a completion total thyroidectomy when a final diagnosis of well-differentiated thyroid cancer (WDTC) is confirmed on a permanent section of a partially removed thyroid gland. This surgery can expose the patient to postoperative complications such as recurrent laryngeal nerve (RLN) palsy or hypoparathyroidism. The aims of our study were to describe the population subjected to reoperative thyroid surgery and to evaluate postoperative morbidity to find the risk factor.Patients And MethodsThe present study is a retrospective analysis of our experience with completion thyroidectomy: 685 consecutive patients underwent this procedure in a 14-year period, for a recurrent uninodular (85 patients) or multinodular (333 patients) goiter, recurrent thyrotoxicosis (42 patients), or a completion thyroidectomy for WDTC after partial resection of the thyroid gland (225 patients). The operative technique was standardized with identification of the RLN and parathyroid glands before removal of the thyroid gland. L-thyroxin treatment was started the day after surgery. Postoperative rates of suffocating hematoma, wound infection, RLN palsy, hypoparathyroidism, and persistence or recurrence of hyperthyroidism were studied and compared to the same parameters in patients who underwent primary bilateral thyroid gland resection during the same period.ResultsThe transient morbidity rate was 8%, with 5% hypoparathyroidism, 1.2% RLN palsy, 0.9% suffocating hematoma, and 0.2% wound infection. These results were higher than those from cases of primary thyroid resection for bilateral disease. Within the secondary surgery group, postoperative complications depended on the mean weight of the resected thyroid gland, hyperthyroidism, and the bilaterality of thyroid exploration during the previous surgery. The permanent morbidity rate was 3.8%, including 1.5% RLN palsy and 2.5% hypoparathyroidism. Permanent complication rates were higher than those for primary thyroid resection. Incidental carcinoma was found in 92 patients (13%): 10% (42 of 418) in patients with recurrent euthyroid nodular disease, 7% (3 of 42) in patients with recurrent hyperthyroidism, and 21% (47 of 225) in patients who underwent a completion thyroidectomy for cancer.ConclusionBecause reoperative thyroid surgery can lead to potential complications, especially permanent RLN palsy or hypoparathyroidism, it should be reserved for patients who need it. The importance of respecting specific technical rules should be emphasized.

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