- Thyroid
- The Positive Association between Subclinical Hypothyroidism and Newly-Diagnosed Hypertension Is More Explicit in Female Individuals Younger than 65
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Xichang Wang, Haoyu Wang, Li Yan, Lihui Yang, Yuanming Xue, Jing Yang, Yongli Yao, Xulei Tang, Nanwei Tong, Guixia Wang, Jinan Zhang, Youmin Wang, Jianming Ba, Bing Chen, Jianling Du, Lanjie He, Xiaoyang Lai, Yanbo Li, Zhaoli Yan, Eryuan Liao, Chao Liu, Libin Liu, Guijun Qin, Yingfen Qin, Huibiao Quan, Bingyin Shi, Hui Sun, Zhen Ye, Qiao Zhang, Lihui Zhang, Jun Zhu, Mei Zhu, Yongze Li, Weiping Teng, Zhongyan Shan
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Endocrinol Metab. 2021;36(4):778-789. Published online August 10, 2021
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DOI: https://doi.org/10.3803/EnM.2021.1101
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 Abstract
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- Background
Subclinical hypothyroidism (SCH) is the most common thyroid dysfunction, and its relationship with blood pressure (BP) has been controversial. The aim of the study was to analyze the association between SCH and newly-diagnosed hypertension.
Methods
Based on data from the Thyroid disease, Iodine nutrition and Diabetes Epidemiology (TIDE) study, 49,433 euthyroid individuals and 7,719 SCH patients aged ≥18 years were enrolled. Patients with a history of hypertension or thyroid disease were excluded. SCH was determined by manufacturer reference range. Overall hypertension and stage 1 and 2 hypertension were diagnosed according to the guidelines issued by the American College of Cardiology/American Heart Association in 2017.
Results
The prevalence of overall hypertension (48.7%), including stage 1 (28.9%) and 2 (19.8%) hypertension, increased significantly in SCH patients compared with euthyroid subjects. With elevated serum thyroid stimulating hormone (TSH) level, the hypertension prevalence also increased significantly from the euthyroid to different SCH subgroups, which was more profound in females or subjects aged <65 years. The age- and sex-specific regression analysis further demonstrated the same trends in the general population and in the 1:1 propensity matched population. Similarly, several BP components (i.e., systolic, diastolic, and mean arterial BP) were positively associated with TSH elevation, and regression analysis also confirmed that all BP components were closely related with SCH in female subjects aged <65 years.
Conclusion
The prevalence of hypertension increases for patients with SCH. SCH tends to be associated with hypertension and BP components in females younger than 65 years.
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Citations
Citations to this article as recorded by  - Systematic review and meta-analysis of levothyroxine effect on blood pressure in patients with subclinical hypothyroidism
Bahar Darouei, Reza Amani-Beni, Amir Parsa Abhari, Mohammad Fakhrolmobasheri, Davood Shafie, Maryam Heidarpour
Current Problems in Cardiology.2024; 49(2): 102204. CrossRef - Gender-Specific Associations Between Metabolic Disorders and Thyroid Nodules: A Cross-Sectional Population-Based Study from China
Fan Zhang, Di Teng, Nanwei Tong, Guixia Wang, Yongze Li, Xiaohui Yu, Zhongyan Shan, Weiping Teng
Thyroid.2022; 32(5): 571. CrossRef - Effect of Levothyroxine Supplementation on the Cardiac Morphology and Function in Patients With Subclinical Hypothyroidism: A Systematic Review and Meta-analysis
Xichang Wang, Haoyu Wang, Qiuxian Li, Ping Wang, Yumin Xing, Fan Zhang, Jiashu Li, Zhongyan Shan
The Journal of Clinical Endocrinology & Metabolism.2022; 107(9): 2674. CrossRef
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