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  • Title: [Autotransplantation of at least one parathyroid gland during thyroidectomy in benign thyroid disease minimizes the risk of permanent hypoparathyroidism].
    Author: Trupka A, Sienel W.
    Journal: Zentralbl Chir; 2002 May; 127(5):439-42. PubMed ID: 12058305.
    Abstract:
    OBJECTIVE: Permanent hypoparathyroidism is a distressing complication of thyroid surgery. The reported incidence varies between 0.4 and 13.8 % and is directly correlated to the extent of thyroidectomy. The aim of this retrospective study was to analyze whether simultaneous autotransplantation of at least one parathyroid gland during total thyroidectomy for benign thyroid disease could reduce the risk of permanent hypoparathyroidism. METHODS: Since 01/1999 all thyroid operations are prospectively recorded. Beside daily postoperative measurement of serum calcium level, iPTH is routinely determined on the third post op day. Patients with complications are followed closely. Postoperative hypoparathyroidism persisting for more than 6 months is defined permanent. RESULTS: Between 01/1999 and 02/2001 146 total thyroidectomies for benign thyroid disease have been performed (81 pat. with Graves disease, 62 with nodular goiter, 3 with thyroiditis de Quervain/Hashimoto). In 37 pat. (25 %) at least one parathyroid gland was simultaneously autotransplanted into the ipsilateral sternocleidomastoid muscle. Group I (no parathyroid autotransplantation, n = 109) and group II (parathyroid autotransplantation, n = 37) were comparable concerning patient age, thyroid disease and lowest post op calcium level (2.07 versus 2.05 mmol/l). The incidence of postoperative symptomatic hypocalcemia (14.7 % versus 21.6 %) and temporary hypoparathyroidism (15.6 % versus 18.9 %) was higher in group II patients (n. s.). Conversely, permanent hypoparathyroidism occurred exclusively in group I patients (2.75 %), patients with parathyroid autotransplantation (group II) did not develop this complication. CONCLUSIONS: Simultaneous autotransplantation of at least one parathyroid gland during total thyroidectomy for benign thyroid disease seems to minimize the risk of permanent hypoparathyroidism. The potential of routine autotransplantation in this setting has to be evaluated. The incidence of postoperative temporary hypocalcemia may be elevated with this policy.
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