Journal
BRITISH JOURNAL OF SURGERY
Volume 105, Issue 10, Pages 1313-1318Publisher
WILEY
DOI: 10.1002/bjs.10843
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Funding
- Southern Health Care Region grants
- Research Grant Region Skane
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BackgroundPermanent hypoparathyroidism remains the most common adverse outcome after total thyroidectomy, but long-term effects of hypoparathyroidism are unknown. The aim was to investigate mortality in patients with permanent hypoparathyroidism after total thyroidectomy. MethodsData from the Scandinavian Quality Register for Thyroid, Parathyroid and Adrenal Surgery were linked with the Swedish National Prescription Register for Pharmaceuticals and the Swedish National Inpatient Register. Patients who underwent total thyroidectomy between 1 July 2005 and 30 June 2014 for benign thyroid disease, and who used active vitamin D for at least 6months after surgery, were classified as having permanent hypoparathyroidism and included in the study cohort. Risk of death was assessed using Cox regression analysis, adjusting for age, sex, thyrotoxicosis and co-morbidity. ResultsThere were 4899 patients, with a mean(s.d.) age of 463(158) years; 831 per cent were women, and 2932 patients (598 per cent) had thyrotoxicosis. In all, 246 patients (52 per cent) were classified as having permanent hypoparathyroidism. Mean(s.d.) follow-up was 44(24) years, and 109 patients (22 per cent) died during follow-up. Compared with patients without permanent hypoparathyroidism, the risk of death was significantly higher among patients with permanent hypoparathyroidism after total thyroidectomy (adjusted hazard ratio 209, 95 per cent c.i. 104 to 420). ConclusionPermanent hypoparathyroidism after total thyroidectomy for benign disease is common and associated with an increased risk of death. Higher than expected
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