Incidences of hypothyroidism associated with surgical procedures for thyroid disorders: A nationwide population-based study

Shin Han Tsai, Shuo Chen Chien, Phung Anh Nguyen, Po Han Chien, Hon Ping Ma, Rahma Novita Asdary, Yao Chin Wang, Ayesha Humayun, Chen Ling Huang, Usman Iqbal, Wen Shan Jian

Research output: Contribution to journalArticle

Abstract

Background and Aim: Limited information available about different types of thyroid surgeries with risk for postoperative hypothyroidism. This study aimed to investigate the risk of developing early and late-onset postoperative hypothyroidism in patients with thyroid disorders. Methods: We used a large cohort data from the Taiwan National Health Insurance Research Data Base (NHIRDB) and identified 9,693 (9, 348) patients from January 1998 to December 2010, admitted for thyroid disorder surgeries. We used the surgical procedures time as the index date. Our observational retrospective cohort study excluded the subjects diagnosed with hypoparathyroidism and hypothyroidism before any surgeries. We analyzed the data using the Cox regression model to calculate the hazard ratio. Result: Postoperative hypothyroidism associated with bilateral-total (HR, 4.27; 95% CI, 3.32-5.50), one-side total and another subtotal (HR, 3.16; 95% CI, 2.59-3.86), bilateralsubtotal (HR, 1.65; 95% CI, 1.37-1.98), and unilateral-total (HR, 1.17; 95% CI, 0.95-1.44) surgical procedures. The time intervals for thyroid disorders were 320 cases developed postoperative hypoparathyroidism in eight weeks, 480 cases the second month, and 1000 cases in the first year after surgery. Conclusion: Findings suggest that thyroidectomy was associated with transient postoperative hypothyroidism in thyroid disorder patients. The bilateral-total surgical procedure was strongly associated with temporary postoperative hypothyroidism.

Original languageEnglish
Article number1378
JournalFrontiers in Pharmacology
Volume10
DOIs
Publication statusPublished - Jan 1 2019

Keywords

  • BigData analytics
  • Hormones
  • Postoperative hypothyroidism
  • Surgeons experience
  • Thyroid disorders
  • Thyroid surgeries
  • Transient hypothyroidism

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)

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