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Erschienen in:
09.10.2018 | Endocrine Surgery
Long-term sequelae of the less than total thyroidectomy procedures for benign thyroid nodular disease
Erschienen in: Endocrine | Ausgabe 2/2019
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Introduction
Nodular goiter is the most common disorder of the thyroid gland. Less than total thyroidectomy procedures are considered the gold standard in the surgical management of nodular thyroid disease despite its propensity for recurrence. The aim of the study was to assess long-term sequelae of the less than total thyroidectomy procedures.
Material and methods
In this single-center retrospective study, records of 154 patients that underwent less than total thyroidectomy, for nodular disease and/or hyperthyroidism between 1998 and 2013, were reviewed. Patients with malignant findings in the histology report and a follow-up of less than 5 years were excluded.
Results
The mean age of the recorded patients was 65.1 ± 12.91 years of which 132 were females. Subtotal thyroidectomy was performed in 45.5% of the study population, 22.1% underwent partial thyroidectomy, while the remaining 32.5% underwent lobectomy. Long-term thyroxine supplementation was administered in 138 patients (89.6%). Recurrence of clinically important nodules (>1 cm) was observed in 68.2% of patients but only 11% of the population underwent completion thyroidectomy. In the univariate analysis, the duration of follow-up (p = 0.00005, C.I.: 0.903–0.965) as well as the type of operation (p = 0.035, C.I.: 1.031–2.348) appeared to have a significant correlation with nodular recurrence. The multivariate analysis identified the duration of follow-up (p = 0.0005, C.I.: 0.908–0.973) as the only significant predictive factor of nodular recurrence.
Conclusion
This is the first study with such a long duration of post-operative follow-up. The high rate of nodular recurrence in less than total thyroidectomy procedures along with the lifelong need for thyroxine supplementation suggest that a more conservative surgical approach is needed. When surgery is recommended, we suggest total thyroidectomy as the treatment of choice to avoid the recurrence of disease, the high cost associated with frequent follow-ups by means of sonography as well as thyroxine replacement therapy.