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Effect of thyroid hormone replacement therapy on mortality rate in patients undergoing total or hemithyroidectomy for benign multinodular goitre

Nordenström, Erik LU ; Ranstam, Jonas LU and Bergenfelz, Anders LU (2024) In BJS Open 8(1).
Abstract

Background: Thyroid surgery for benign non-toxic nodular goitre is a common endocrine surgical procedure. It is not known whether thyroid hormone replacement therapy following surgery for benign thyroid disease influences mortality or morbidity rates. Methods: A retrospective observational study was conducted using national registries in Sweden. Overall mortality and morbidity rates were compared for patients with or without thyroid hormone replacement therapy in patients operated on with hemithyroidectomy or total thyroidectomy for a diagnosis of benign non-toxic nodular goitre. Results: Between 1 July 2006 and 31 December 2017, 5573 patients were included, 1644 (29.5%) patients were operated on with total thyroidectomy and 3929... (More)

Background: Thyroid surgery for benign non-toxic nodular goitre is a common endocrine surgical procedure. It is not known whether thyroid hormone replacement therapy following surgery for benign thyroid disease influences mortality or morbidity rates. Methods: A retrospective observational study was conducted using national registries in Sweden. Overall mortality and morbidity rates were compared for patients with or without thyroid hormone replacement therapy in patients operated on with hemithyroidectomy or total thyroidectomy for a diagnosis of benign non-toxic nodular goitre. Results: Between 1 July 2006 and 31 December 2017, 5573 patients were included, 1644 (29.5%) patients were operated on with total thyroidectomy and 3929 patients with hemithyroidectomy. In the hemithyroidectomy group, 1369 (34.8%) patients were prescribed thyroid hormone replacement therapy in the follow-up. The patients who underwent hemithyroidectomy and did not use thyroid hormone replacement therapy in the follow-up had a standard mortality ratio of 1.31 (95% confidence interval, 1.09-1.54). The mortality ratio was not increased in patients who underwent total thyroidectomy or hemithyroidectomy and used thyroid hormone replacement therapy. The risk of death analysed by multivariable Cox regression for patients operated on with hemithyroidectomy without later thyroid hormone replacement therapy, adjusted for age and sex, showed an increased hazard ratio of 1.65 (1.19-2.30) compared with hemithyroidectomy with hormone replacement therapy. Conclusion: Patients subjected to hemithyroidectomy without later hormone replacement therapy had a 30% higher risk of death compared with the normal Swedish population and a 65% increased risk of death compared with patients undergoing hemithyroidectomy with postoperative hormone replacement therapy.

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author
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publishing date
type
Contribution to journal
publication status
published
subject
in
BJS Open
volume
8
issue
1
article number
zrae012
publisher
Wiley
external identifiers
  • pmid:38372505
  • scopus:85185614825
ISSN
2474-9842
DOI
10.1093/bjsopen/zrae012
language
English
LU publication?
yes
id
edf3395d-09e6-4c45-99f1-1c7887a86463
date added to LUP
2024-03-27 13:09:36
date last changed
2024-04-24 17:09:47
@article{edf3395d-09e6-4c45-99f1-1c7887a86463,
  abstract     = {{<p>Background: Thyroid surgery for benign non-toxic nodular goitre is a common endocrine surgical procedure. It is not known whether thyroid hormone replacement therapy following surgery for benign thyroid disease influences mortality or morbidity rates. Methods: A retrospective observational study was conducted using national registries in Sweden. Overall mortality and morbidity rates were compared for patients with or without thyroid hormone replacement therapy in patients operated on with hemithyroidectomy or total thyroidectomy for a diagnosis of benign non-toxic nodular goitre. Results: Between 1 July 2006 and 31 December 2017, 5573 patients were included, 1644 (29.5%) patients were operated on with total thyroidectomy and 3929 patients with hemithyroidectomy. In the hemithyroidectomy group, 1369 (34.8%) patients were prescribed thyroid hormone replacement therapy in the follow-up. The patients who underwent hemithyroidectomy and did not use thyroid hormone replacement therapy in the follow-up had a standard mortality ratio of 1.31 (95% confidence interval, 1.09-1.54). The mortality ratio was not increased in patients who underwent total thyroidectomy or hemithyroidectomy and used thyroid hormone replacement therapy. The risk of death analysed by multivariable Cox regression for patients operated on with hemithyroidectomy without later thyroid hormone replacement therapy, adjusted for age and sex, showed an increased hazard ratio of 1.65 (1.19-2.30) compared with hemithyroidectomy with hormone replacement therapy. Conclusion: Patients subjected to hemithyroidectomy without later hormone replacement therapy had a 30% higher risk of death compared with the normal Swedish population and a 65% increased risk of death compared with patients undergoing hemithyroidectomy with postoperative hormone replacement therapy.</p>}},
  author       = {{Nordenström, Erik and Ranstam, Jonas and Bergenfelz, Anders}},
  issn         = {{2474-9842}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{Wiley}},
  series       = {{BJS Open}},
  title        = {{Effect of thyroid hormone replacement therapy on mortality rate in patients undergoing total or hemithyroidectomy for benign multinodular goitre}},
  url          = {{http://dx.doi.org/10.1093/bjsopen/zrae012}},
  doi          = {{10.1093/bjsopen/zrae012}},
  volume       = {{8}},
  year         = {{2024}},
}