Association High-Iodine-Containing Seaweed Soup Consumption after Birth and Subclinical Hypothyroidism in Korean Women: Korea National Health and Nutrition Examination Survey IV (2013–2015)

Kim, Hyunsam; Lee, Ha Ni; Ha, Jeonghoon

doi:10.11106/ijt.2019.12.2.105

Cited by 3 publications

(2 citation statements)

References 25 publications

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“…Our study showed a significant positive correlation between dietary iodine intake and UIE (24 h urine: r = 0.396, p < 0.05, spot urine: r = 0.312, p < 0.05). Similar to our results, a previous study of 40 lactating Korean women found that iodine intake was 3008 µg and UIE was 1070 µg/g (r = 0.368, p < 0.05) in the second week after delivery [29]. Another study of 137 Korean mothers demonstrated a positive correlation between iodine intake and UIE (r = 0.33, p = 0.001) [8].…”

Section: Discussionsupporting

confidence: 90%

Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women

Lee

Lee²,

Lee

et al. 2021

Nutrients

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Iodine is an essential component of thyroid hormones, but excessive iodine intake can lead to thyroid dysfunction. Traditionally, Korean mothers consume brown seaweed soup (miyeokguk), a high source of iodine, after childbirth. There is controversy regarding the effects of excessive postpartum iodine intake on the health of mothers and infants. Thus far, there have been no nationwide large-scale surveys regarding the status of iodine intake among postpartum women in Korea. Therefore, we conducted a nationwide survey of postpartum dietary iodine intake among Korean women. In total, 1054 Korean women aged ≥19 years, at less than 8 weeks postpartum, participated in this survey. Dietary data were collected using self-reported 2-day dietary records, along with before-and-after meal photos. To evaluate the correlation between dietary iodine and urinary iodine excretion (UIE), spot urine, and 24 h urine samples were collected from 98 and 29 participants, respectively. The mean daily iodine intake among all participants was 2945.6 μg, and it gradually decreased over time after childbirth. Dietary iodine intake was significantly correlated with 24 h UIE (r = 0.396, p < 0.05) and spot urine UIE (r = 0.312, p < 0.05). Follow-up studies are required to examine the influence of excessive postpartum iodine intake on thyroid health in mothers and their infants.

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Section: Discussionsupporting

confidence: 90%

Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women

Lee

Lee²,

Lee

et al. 2021

Nutrients

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“…Subclinical hyperthyroidism is defined as low or undetectable thyrotropin levels with normal thyroxine and triiodothyronine levels. Subclinical hyperthyroidism has a prevalence of about 2% (Kim et al, 2019;Kim and Park, 2014;Selmer et al, 2014). The cardiovascular system is one of the main body systems affected by changes in thyroid hormone levels, which directly and indirectly affect its function.…”

Section: Discussionmentioning

confidence: 99%

Frequency of Subclinical Hypo and Hyperthyroidism in Patients Presenting With Congestive Heart Failure

ANUM

QURESHI

ULLAH

et al. 2023

Biol Clin Sci Res J

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Congestive heart failure is among the most common presentations in Cardiology inpatient and outpatient departments. It is associated with several long- and short-term complications and among these patients hypo and hyperthyroidism is found frequently. This study aims to determine the frequency of subclinical hypo or hyperthyroidism in cases with congestive heart failure. This cross-sectional study was conducted at the Rehmatul-Lol-Alameen institute of cardiology, PESSI, from 23-08-2020 to 22-02-2021. This study included cases of both genders aged 30-70 years suffering from congestive heart failure. Hypothyroidism was labeled when the TSH level was between 4.6 to 10 mIU/L, and hyperthyroidism was labeled when the TSH level was between 0.01 to 0.02 mIU/L. In this study, there were 91 cases of congestive HF. There were 61 (67.03%) males and 30 (32.97%) females. The mean age of the subjects was 2 51.53±9.23 years, and the mean weight was 75.71±15.18 kg. There were 20 (21.98%) cases with a history of DM. Hypothyroidism was observed in 19 (20.88%) of the cases, and hyperthyroidism in 08 (8.79%) of the cases. There was no significant difference in gender, age, BMI, duration of HF, and DM with hypo and hyperthyroidism. We can conclude from the study results that hypo and hyperthyroidism are common in cases with congestive heart failure, though hypothyroidism cases were found to be double than the hyperthyroidism.

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Association of breastfeeding with thyroid function and autoimmunity in postmenopausal women

et al. 2020

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Association High-Iodine-Containing Seaweed Soup Consumption after Birth and Subclinical Hypothyroidism in Korean Women: Korea National Health and Nutrition Examination Survey IV (2013–2015)

Cited by 3 publications

References 25 publications

Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women

Nationwide Representative Survey of Dietary Iodine Intake and Urinary Excretion in Postpartum Korean Women

Frequency of Subclinical Hypo and Hyperthyroidism in Patients Presenting With Congestive Heart Failure

Association of breastfeeding with thyroid function and autoimmunity in postmenopausal women

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