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Meneghini V, Tebar WR, Santos IS, Janovsky CCPS, de Almeida-Pititto B, Birck MG, Lotufo PA, Goulart AC, Sgarbi JA, Teixeira PDFDS, Silva GTD, Benseñor IM. Potential Determinants of Thyroid Peroxidase Antibodies and Mortality Risk: Results From the ELSA-Brasil Study. J Clin Endocrinol Metab 2024; 109:e698-e710. [PMID: 37698138 DOI: 10.1210/clinem/dgad539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 08/16/2023] [Accepted: 09/09/2023] [Indexed: 09/13/2023]
Abstract
CONTEXT The presence of thyroid peroxidase antibodies (TPOAbs) may be considered as an indicator of adverse health outcomes. OBJECTIVE We aimed to investigate the potential determinants of TPOAb levels and to analyze the association between TPOAb titers and the risk of all- and specific-cause mortality. METHODS Baseline and longitudinal data of 13 187 participants from the ELSA-Brasil Study were analyzed. We investigated the association of TPOAb, detectability, positivity, and persistent positivity with sociodemographic and lifestyle factors using logistic regressions. Cox proportional hazards and Fine-Gray subdistribution hazard regression analyses were used to verify the association of TPOAbs with mortality. RESULTS The determinants of TPOAb detectability and positivity were younger age, higher body mass index, female sex, and former and current smoking status. Black, mixed, and other self-reported races, intermediate and higher education, and heavy drinking were determinants of detectable and positive TPOAb levels. Female sex, White race, and former smoking were determinants of persistent TPOAb positivity at 2 visits, although only the female sex maintained its association at 3 visits. Moreover, after multivariate adjustment, there were associations between higher levels of TPOAbs and higher risk of cancer-related mortality among men, and TPOAb detectability and mortality by other causes among women. CONCLUSION Sociodemographic and lifestyle-related factors were determinants of multiple TPOAb categories. TPOAb levels were associated with mortality risk; however, the low mortality rate in this sample might have compromised this finding. We suggest further studies to explore the clinical importance of detectable TPOAb levels, not only its positivity, as a potential marker of inflammation.
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Affiliation(s)
- Vandrize Meneghini
- Center for Clinical and Epidemiological Research, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - William Rodrigues Tebar
- Center for Clinical and Epidemiological Research, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - Itamar Souza Santos
- Center for Clinical and Epidemiological Research, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
- Department Internal Medicine, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | | | - Bianca de Almeida-Pititto
- Department of Preventive Medicine, Universidade Federal de São Paulo, São Paulo, SP 04023-062, Brazil
| | - Marina Gabriela Birck
- Center for Clinical and Epidemiological Research, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - Paulo Andrade Lotufo
- Center for Clinical and Epidemiological Research, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
- Department Internal Medicine, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - Alessandra Carvalho Goulart
- Center for Clinical and Epidemiological Research, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
| | - José Augusto Sgarbi
- Division of Endocrinology and Metabolism, Department of Medicine, Faculdade de Medicina de Marilia, Marilia, SP 17519-030, Brazil
| | | | - Gisela Tunes da Silva
- Institute of Mathematics and Statistics, Universidade de São Paulo, São Paulo, SP 05508-090, Brazil
| | - Isabela Martins Benseñor
- Center for Clinical and Epidemiological Research, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
- Department Internal Medicine, Universidade de São Paulo, São Paulo, SP 05508-000, Brazil
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Yao J, Zhang W, Wang J, Wang K, Lv C, Zhang Z, Chen X, Chen Y, Jiang W, Niu J, Song F, Liu P, Sun D. The Status of Iodine Nutrition after Removing Iodized Salt in High Water Iodine Regions: a Cross-sectional Study in China. Biol Trace Elem Res 2022; 200:1020-1031. [PMID: 33929694 DOI: 10.1007/s12011-021-02727-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/15/2021] [Indexed: 11/29/2022]
Abstract
Currently, the removal of iodized salt is carried out in high water iodine regions. The present situation of iodine nutrition and the prevalence of thyroid diseases in such regions have not been clearly elucidated. This study aimed to figure out these problems to help render effective measures for cases of abnormal iodine nutrition status. A cross-sectional study was carried out in four areas of Jining and Heze, Shandong Province, China, with different water iodine concentrations (WIC). In total, 1344 adults were enrolled in this study, and data related to their iodine nutrition, thyroid function, and thyroid ultrasonography were collected. Subjects were grouped according to WIC, urine iodine concentration (UIC), serum iodine concentration (SIC), and combined UIC and SIC for analysis. Iodine levels were in excess in the 100 μg/L ≤ WIC < 300 μg/L and WIC ≥ 300 μg/L areas. Compared with the control WIC group (10-100 μg/L), the WIC ≥ 300 μg/L group had a higher prevalence of thyroid autoimmunity (TAI, 21.25% vs. 13.19%, P <0.05), subclinical hypothyroidism (SH, 20.20% vs. 11.96%, P < 0.05), thyroid nodules (TN, 31.75% vs. 18.71%, P < 0.05), and thyroid dysfunction (23.62% vs. 12.26%, P < 0.05). Compared with the UIC control group (100-300 μg/L), high UIC group (≥ 800 μg/L) had a higher prevalence of TN (33.75% vs. 21.14%, P < 0.05) and thyroid dysfunction (25% vs. 14.47%, P < 0.05). Next, compared with the control SIC group (50-110 μg/L), high SIC group (≥ 110 μg/L) had a higher prevalence of TAI (33.80% vs. 14.47%, P < 0.05), SH (23.94% vs. 14.30%, P < 0.05), and thyroid dysfunction (33.80% vs. 15.29%, P < 0.05). Finally, subjects with the highest UIC and the highest SIC also had a higher prevalence of TAI (25.92% vs. 10.97%, P < 0.05), SH (23.45% vs. 10.97%, P < 0.05), TN (34.56% vs. 15.85%, P < 0.05), and thyroid dysfunction (27.16% vs. 13.41%, P < 0.05) than subjects with middle iodine levels. The iodine nutrition of subjects in the WIC ≥ 300 μg/L areas was still in excess after removing iodized salt from their diets. High levels of iodine also increased the prevalence of TAI, SH, TN, and thyroid dysfunction in those areas. Simply removing iodized salt may not be sufficient for high water iodine regions.
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Affiliation(s)
- J Yao
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - W Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - J Wang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - K Wang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - C Lv
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - Z Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - X Chen
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - Y Chen
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - W Jiang
- Institute of Endemic Disease Control, Jinan, Shandong Province, China
| | - J Niu
- Heze Center for Disease Control and Prevention, Heze, China
| | - F Song
- Jining Center for Disease Control and Prevention, Jining, China
| | - P Liu
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China
| | - D Sun
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.
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Jayatissa R, Okosieme OE, Ranasinghe S, Carter JL, Gunatunga IP, Lazarus JH, Premawardhana LD. Thyroid Autoimmunity and Dysfunction in Sri Lankan Children and Adolescents After 22 Years of Sustained Universal Salt Iodization. Thyroid 2021; 31:1105-1113. [PMID: 33406977 DOI: 10.1089/thy.2020.0798] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Background: Sri Lanka introduced universal salt iodization (USI) in 1995 after which we demonstrated a high thyroglobulin antibody (TgAb) prevalence in 1998. However, it is unclear whether thyroid autoimmunity persists in the long term in populations exposed to sustained USI and whether such populations have an excess of thyroid dysfunction. We evaluated the prevalence of thyroid autoantibodies and dysfunction in Sri Lankan children and adolescents after more than two decades of sustained USI. Methods: We selected 10- to 18-year-old subjects of both sexes (randomized cluster sampling) from all 9 provinces of Sri Lanka in this cross-sectional study. Blood, urine, and anthropometric data were collected and thyroid ultrasound scans were performed. Validated statistical methods were used to derive local population-specific reference ranges for all thyroid parameters. We also measured urine iodine concentration (UIC), salt, and water iodine concentrations. Results: Blood and urine samples from 2507 and 2473 subjects respectively, and ultrasound scans from 882 subjects were analyzed. Population-derived upper limits for thyroid peroxidase antibody (TPOAb) and TgAb, and reference ranges for triiodothyronine, thyroxine, and thyrotropin (total and age-year-related groups) were significantly different from manufacturer's reference ranges. Using these derived ranges, the prevalence of TPOAb was 10.3% and TgAb was 6.4%. Of the TPOAb-positive subjects, TPOAb were of low concentration in 66.2% (1-3 times the upper limit of the reference range [ULRR]) and showed the strongest association with subclinical hypothyroidism (SCH) at the highest concentrations (>4 ULRR). The prevalence of SCH was 3%. Median UIC (interquartile range) was 138.5 μg/L (79.4-219.0) with regional variability, and median thyroglobulin was 8.3 ng/mL (4.1-13.5). Goiter prevalence was 0.6% and 1.93% (thyroid volume compared to age and body surface area, respectively). Salt and water iodine concentrations were satisfactory. Conclusions: Sri Lanka has safely and effectively implemented USI with good sources of iodine, leading to sustained iodine sufficiency over more than two decades. The early postiodization TgAb surge (42.1%) has settled (6.4%), and despite a persistently high TPOAb prevalence (10.3%), SCH prevalence remains low (3%). Further studies should be undertaken to monitor thyroid autoimmune dysfunction in Sri Lankan children, using age-specific, population-derived reference ranges.
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Affiliation(s)
- Renuka Jayatissa
- Nutrition Department, Medical Research Institute, Colombo, Sri Lanka
| | - Onyebuchi E Okosieme
- Department of Medicine, Section of Endocrinology, Cwm Taf University Health Board, Prince Charles Hospital, Merthyr Tydfil, United Kingdom
- Department of Medicine, Centre for Endocrine and Diabetes Sciences, University Hospital of Wales, Cardiff, United Kingdom
| | | | - Joanne L Carter
- Department of Medicine, Sections of Biochemistry, Radiology and Endocrinology, Aneurin Bevan University Health Board, Caerphilly, United Kingdom
| | - Ishan P Gunatunga
- Department of Medicine, Sections of Biochemistry, Radiology and Endocrinology, Aneurin Bevan University Health Board, Caerphilly, United Kingdom
| | - John H Lazarus
- Department of Medicine, Centre for Endocrine and Diabetes Sciences, University Hospital of Wales, Cardiff, United Kingdom
| | - Lakdasa D Premawardhana
- Department of Medicine, Centre for Endocrine and Diabetes Sciences, University Hospital of Wales, Cardiff, United Kingdom
- Department of Medicine, Sections of Biochemistry, Radiology and Endocrinology, Aneurin Bevan University Health Board, Caerphilly, United Kingdom
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Mridha MK, Hossain MM, Khan MSA, Hanif AAM, Hasan M, Mitra D, Hossaine M, Ullah MA, Sarker SK, Rahman SMM, Bulbul MMI, Shamim AA. Prevalence and associated factors of depression among adolescent boys and girls in Bangladesh: findings from a nationwide survey. BMJ Open 2021; 11:e038954. [PMID: 33455924 PMCID: PMC7813352 DOI: 10.1136/bmjopen-2020-038954] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVE To assess the prevalence of and factors associated with depression among adolescent boys and girls. DESIGN We conducted a nationwide cross-sectional study. SETTING This study was carried out in 82 randomly selected clusters (57 rural, 15 non-slum urban and 10 slums) from eight divisions of Bangladesh. PARTICIPANTS We interviewed 4907 adolescent boys and 4949 adolescent girls. PRIMARY AND SECONDARY OUTCOME MEASURES The primary outcome measure was 'any depression' and the secondary outcome measures were types of depression: no or minimal, mild, moderate, moderately severe and severe. RESULTS The overall prevalence of no or minimal, mild, moderate, moderately severe and severe depression was 75.5%, 17.9%, 5,4%, 1.1% and 0.1%, respectively. Across most of the sociodemographic, lifestyle and anthropometric strata, the prevalence of any depression was higher among adolescent girls. In both sexes, depression was associated with higher age, higher maternal education, paternal occupation e.g., business, absence of a 6-9-year-old member in the household, food insecurity, household consumption of unfortified oil, household use of non-iodised salt, insufficient physical activity (adjusted odds ratio, AOR: 1.24 for boys, 1.44 for girls) and increased television viewing time e.g., ≥121 minute/day (AOR: 1.95 for boys, 1.99 for girls). Only among boys, depression was also associated with higher paternal education e.g., complete secondary and above (AOR: 1.42), absence of another adolescent member in the household (AOR: 1.34), household use of solid biomass fuel (AOR: 1.39), use of any tobacco products (AOR: 2.17), and consumption of processed food (AOR: 1.24). Only among girls, non-slum urban residence, Muslim religion, and household size ≤4 were also associated with depression. CONCLUSION The prevalence of depression among adolescent boys and girls is high in Bangladesh. In most sociodemographic, lifestyle and anthropometric strata, the prevalence is higher among girls. In this age group, depression is associated with a number of sociodemographic and lyfestyle factors. The government of Bangladesh should consider these findings while integrating adolescent mental health in the existing and future programmes.
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Affiliation(s)
- Malay Kanti Mridha
- Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, Dhaka, Bangladesh
| | - Md Mokbul Hossain
- Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, Dhaka, Bangladesh
| | - Md Showkat Ali Khan
- Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, Dhaka, Bangladesh
| | - Abu Abdullah Mohammad Hanif
- Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, Dhaka, Bangladesh
| | - Mehedi Hasan
- Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, Dhaka, Bangladesh
| | - Dipak Mitra
- Department of Public Health, North South University, Dhaka, Bangladesh
| | - Moyazzam Hossaine
- Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, Dhaka, Bangladesh
| | - Mohammad Aman Ullah
- National Nutrition Services (NNS), Directorate General of Health Services, Dhaka, Bangladesh
| | - Samir Kanti Sarker
- National Nutrition Services (NNS), Directorate General of Health Services, Dhaka, Bangladesh
| | - S M Mustafizur Rahman
- National Nutrition Services (NNS), Directorate General of Health Services, Dhaka, Bangladesh
| | - Md M Islam Bulbul
- National Nutrition Services (NNS), Directorate General of Health Services, Dhaka, Bangladesh
| | - Abu Ahmed Shamim
- Centre for Non-Communicable Diseases and Nutrition, BRAC James P Grant School of Public Health, BRAC University, Dhaka, Bangladesh
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Rosen SR, Ovadia YS, Anteby EY, Fytlovich S, Aharoni D, Zamir D, Gefel D, Shenhav S. Low intake of iodized salt and iodine containing supplements among pregnant women with apparently insufficient iodine status - time to change policy? Isr J Health Policy Res 2020; 9:9. [PMID: 32223752 PMCID: PMC7104484 DOI: 10.1186/s13584-020-00367-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 02/18/2020] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Iodine is an essential nutrient for human health throughout the life cycle, especially during early stages of intrauterine life and infancy, to ensure adequate neurocognitive development. The growing global reliance on desalinated iodine-diluted water raises the specter of increased iodine deficiency in several regions. The case of Israel may be instructive for exploring the link between iodine status and habitual iodine intake in the setting of extensive national reliance on desalinated water. The aim of this study was to explore the relationship between iodine intake, including iodized salt and iodine-containing supplements intake, and iodine status among pregnant women residing in a sub-district of Israel that is highly reliant on desalinated iodine-diluted water. METHODS A total of 134 consecutive pregnant women were recruited on a voluntary basis from the obstetrics department of the Barzilai University Medical Center during 2018. Blood was drawn from participants to determine levels of serum thyrotropin (TSH), thyroid peroxidase antibodies (TPOAb), thyroglobulin antibodies (TgAb) and thyroglobulin (Tg). An iodine food frequency questionnaire (sIFFQ) was used to assess iodine intake from food, IS and ICS. A questionnaire was used to collect data on demographic and health characteristics. RESULTS A total of 105 pregnant women without known or reported thyroid disease were included in the study. Elevated Tg values (≥ 13 μg/L), were found among 67% of participants, indicating insufficient iodine status. The estimated iodine intake (median, mean ± SD 189, 187 ± 106 μg/d by sIFFQ) was lower than the levels recommended by the World Health Organization and the Institute of Medicine (250 vs. 220 μg/day respectively). The prevalence of iodized salt intake and iodine containing supplement intake were 4 and 52% (respectively). Values of Tg > 13 μg/L were inversely associated with compliance with World Health Organization and Institute of Medicine recommendations. CONCLUSIONS While the Israeli Ministry of Health has recommended the intake of iodized salt and iodine containing supplements, this is apparently insufficient for achieving optimal iodine status among Israeli pregnant women. The evidence of highly prevalent probable iodine deficiency in a sample of pregnant women suggests an urgent need for a national policy of iodized salt regulation, as well as guidelines to promote iodine containing supplements and adherence to them by caregivers. In addition, studies similar to this one should be undertaken in additional countries reliant on desalinated iodine-diluted water to further assess the impact of desalinization on maternal iodine status.
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Affiliation(s)
- Shani R Rosen
- School of Nutritional Science; Institute of Biochemistry, Food Science and Nutrition; Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, 76100, Rehovot, Israel.
- Obstetrics and Gynecology Department, "Barzilai" University Medical Center Ashkelon, Ashkelon, Israel.
| | - Yaniv S Ovadia
- Obstetrics and Gynecology Department, "Barzilai" University Medical Center Ashkelon, Ashkelon, Israel
- Foreign studies department; Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Eyal Y Anteby
- Obstetrics and Gynecology Department, "Barzilai" University Medical Center Ashkelon, Ashkelon, Israel
- Faculty of Health Sciences, Ben-Gurion University of Negev, Ashkelon, Israel
| | - Shlomo Fytlovich
- Laboratory of Clinical Biochemistry, Barzilai University Medical Center Ashkelon, Ashkelon, Israel
| | - Dorit Aharoni
- Laboratory of Clinical Biochemistry, Barzilai University Medical Center Ashkelon, Ashkelon, Israel
| | - Doron Zamir
- Faculty of Health Sciences, Ben-Gurion University of Negev, Ashkelon, Israel
- Internal Medicine Department, Barzilai University Medical Center Ashkelon, Ashkelon, Israel
| | - Dov Gefel
- School of Nutritional Science; Institute of Biochemistry, Food Science and Nutrition; Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, 76100, Rehovot, Israel
| | - Simon Shenhav
- Obstetrics and Gynecology Department, "Barzilai" University Medical Center Ashkelon, Ashkelon, Israel
- Faculty of Health Sciences, Ben-Gurion University of Negev, Ashkelon, Israel
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