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Sun Y, Kan X, Zheng R, Hao L, Mao Z, Jia Y. Hashimoto's thyroiditis, vitiligo, anemia, pituitary hyperplasia, and lupus nephritis-A case report of autoimmune polyglandular syndrome type III C + D and literature review. Front Pediatr 2023; 11:1062505. [PMID: 37063678 PMCID: PMC10090315 DOI: 10.3389/fped.2023.1062505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 02/22/2023] [Indexed: 04/18/2023] Open
Abstract
Objective This study aims to summarize the clinical characteristics of one teenager with autoimmune polyglandular syndrome (APS) type III C + D to improve the understanding of APS III C + D and its effect of thyroid function. Methods This article reported the clinical manifestations, laboratory examinations, treatment methods, and outcomes of an adolescent with anemia admitted to the Pediatrics Department of Tianjin Medical University General Hospital in July 2020 and reviewed the literature. Results A girl, aged 13 years and 1 month, was admitted to the hospital due to anemia for more than 4 years and episodic abdominal pain for 1 week. Four years ago, the girl went to a local hospital for "vitiligo", and a routine blood test revealed anemia. The lowest hemoglobin (HGB) was 61 g/L, and the blood test revealed iron deficiency anemia. She had no menstrual cramps for 2 months. Urine routine showed protein 3+∼4+ and 258 red blood cells (RBCs)/high-power field. Urine protein was 3,380 mg/24 h. Free thyroxine was low, thyroid-stimulating hormone was >100 uIU/ml, thyroid peroxidase antibody was >1,000 IU/ml, and thyroglobulin antibody and thyrotropin receptor antibody were negative. Pituitary magnetic resonance imaging showed a mass in the sellar region with a uniform signal and a maximum height of about 15.8 mm. The result of the antinuclear antibody was 1:80 homogeneous type, and anti-dsDNA and anticardiolipin antibodies IgA and IgM were slightly higher. Thyroxine and iron were given for 1 month, menstruation resumed, and urine protein and RBC count decreased. After 5 months of treatment, free thyroid function, HGB, RBCs in urine, and pituitary returned to normal. Later, a renal biopsy showed changes in focal proliferative glomerulonephritis, and the girl was diagnosed with lupus glomerulonephritis type III. After 3 days of shock therapy with methylprednisolone, prednisone, mycophenolate mofetil, and other treatments were administrated for 1 year. At the time of writing, urine protein was 280 mg/24 h. Conclusion Co-occurrence of Hashimoto's thyroiditis, vitiligo, anemia, pituitary hyperplasia, and lupus nephritis is rare. It is very important to pay attention to the screening of thyroid function.
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Affiliation(s)
- Yongmei Sun
- Department of Pediatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Xuan Kan
- Department of Pediatrics, Tianjin Medical University General Hospital, Tianjin, China
- Correspondence: Xuan Kan
| | - Rongxiu Zheng
- Department of Pediatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Liping Hao
- Department of Pediatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Zongtao Mao
- Department of Plastic and Reconstructive Surgery, The First Hospital of Jilin University, Changchun, China
| | - Ying Jia
- Department of Pediatrics, Tianjin Medical University General Hospital, Tianjin, China
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2
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Du Puy RS, Poortvliet RKE, Mooijaart SP, Stott DJ, Quinn T, Sattar N, Westendorp RGJ, Kearney PM, McCarthy VJC, Byrne S, Rodondi N, Baretella O, Collet TH, van Heemst D, Dekkers OM, Jukema JW, Smit JWA, Gussekloo J, den Elzen WPJ. No Effect of Levothyroxine on Hemoglobin in Older Adults With Subclinical Hypothyroidism: Pooled Results From 2 Randomized Controlled Trials. J Clin Endocrinol Metab 2022; 107:e2339-e2347. [PMID: 35218666 PMCID: PMC9113813 DOI: 10.1210/clinem/dgac106] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Indexed: 02/07/2023]
Abstract
CONTEXT Subclinical thyroid dysfunction and anemia are common disorders, and both have increasing prevalence with advancing age. OBJECTIVE The aim of this study was to assess whether levothyroxine treatment leads to a rise in hemoglobin levels in older persons with subclinical hypothyroidism. METHODS This preplanned combined analysis of 2 randomized controlled trials included community-dwelling persons aged 65 years and older with subclinical hypothyroidism who were randomly assigned to levothyroxine or placebo treatment. The levothyroxine dose was periodically titrated aiming at thyroid stimulating hormone (TSH) level within the reference range, with mock titrations in the placebo group. The main outcome measure was the change in hemoglobin level after 12 months. RESULTS Analyses included 669 participants (placebo n = 337, levothyroxine n = 332) with a median age of 75 years (range, 65-97) and mean baseline hemoglobin of 13.8 ± 1.3 g/dL. Although levothyroxine treatment resulted in a reduction in TSH from baseline after 12 months of follow-up compared with placebo, the change in hemoglobin level was not different between the levothyroxine and the placebo groups (-0.03 g/dL [95% CI, -0.16 to 0.11]). Similar results were found in stratified analyses including sex, age, or TSH levels. No difference in change of hemoglobin levels after 12 months was identified in 69 participants with anemia at baseline (-0.33 g/dL [95% CI, -0.87 to 0.21]). CONCLUSION In persons aged 65 years and older with subclinical hypothyroidism, treatment with levothyroxine does not lead to a rise in hemoglobin levels, regardless of the presence of anemia.
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Affiliation(s)
- Robert S Du Puy
- Department of Public Health and Primary Care, Leiden University Medical Center, ZA Leiden, the Netherlands
| | - Rosalinde K E Poortvliet
- Department of Public Health and Primary Care, Leiden University Medical Center, ZA Leiden, the Netherlands
- Correspondence: Rosalinde Poortvliet, Department of Public Health and Primary Care, Leiden University Medical Center, PO Box 9600, 2300 RC Leiden, the Netherlands.
| | - Simon P Mooijaart
- Department of Internal Medicine, section Gerontology and Geriatrics, Leiden University Medical Center, ZA Leiden, the Netherlands
- Institute for Evidence-based Medicine in Old age, ZA Leiden, the Netherlands
| | - David J Stott
- Department of Geriatric Medicine, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Terry Quinn
- Department of Geriatric Medicine, Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Naveed Sattar
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Rudi G J Westendorp
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
- Center for Healthy Aging, University of Copenhagen, Copenhagen, Denmark
| | | | - Vera J C McCarthy
- School of Nursing and Midwifery, University College Cork, Cork, Ireland
| | - Stephen Byrne
- School of Pharmacy, University College Cork, Cork, Cork, Ireland
| | - Nicolas Rodondi
- Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Institute of Primary Health Care (BIHAM), University of Bern, Bern, Switzerland
| | - Oliver Baretella
- Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Institute of Primary Health Care (BIHAM), University of Bern, Bern, Switzerland
| | - Tinh-Hai Collet
- Service of Endocrinology, Diabetes, Nutrition and Therapeutic Education, Geneva University Hospitals, Switzerland
| | - Diana van Heemst
- Department of Internal Medicine, section Gerontology and Geriatrics, Leiden University Medical Center, ZA Leiden, the Netherlands
| | - Olaf M Dekkers
- Department of Endocrinology and metabolic disorders, Leiden University Medical Center, ZA Leiden, the Netherlands
| | - J Wouter Jukema
- Department of Cardiology, Leiden University Medical Center, ZA Leiden, the Netherlands
- Netherlands Heart Institute, EP Utrecht, the Netherlands
| | | | - Jacobijn Gussekloo
- Department of Public Health and Primary Care, Leiden University Medical Center, ZA Leiden, the Netherlands
- Department of Internal Medicine, section Gerontology and Geriatrics, Leiden University Medical Center, ZA Leiden, the Netherlands
| | - Wendy P J den Elzen
- Atalmedial Diagnostics Centre, EC Amsterdam, the Netherlands
- Amsterdam UMC, Department of Clinical Chemistry, Amsterdam Public Health Research Institute, HV Amsterdam, the Netherlands
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Samões C, Kislaya I, Sousa-Uva M, Gaio V, Faustino P, Nunes B, Matias-Dias C, Barreto M. Prevalence of anemia in the Portuguese adult population: results from the first National Health Examination Survey (INSEF 2015). J Public Health (Oxf) 2022. [DOI: 10.1007/s10389-020-01373-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Aon M, Taha S, Mahfouz K, Ibrahim MM, Aoun AH. Vitamin B12 (Cobalamin) Deficiency in Overt and Subclinical Primary Hypothyroidism. Clin Med Insights Endocrinol Diabetes 2022; 15:11795514221086634. [PMID: 35340751 PMCID: PMC8943463 DOI: 10.1177/11795514221086634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 02/22/2022] [Indexed: 11/25/2022] Open
Abstract
Background: B12 (cobalamin) deficiency has been reported in hypothyroid patients with
variable prevalence rates thus routine screening of hypothyroid patients was
recommended by some and discouraged by others. We aimed to assess the
prevalence of B12 deficiency among hypothyroid patients and to evaluate for
pernicious anemia and celiac disease as etiologies. Methods: A total 133 patients were included. Thyroid hormones and thyroid peroxidase
(TPO) autoantibodies were measured. Serum B12 was measured and if deficient,
intrinsic factor antibodies (IFAB) and tissue transglutaminase (tTG)
antibodies were evaluated. Results: Our study included 45 patients with overt hypothyroidism (OH), 48 patients
with subclinical hypothyroidism (SCH), and 40 patients as controls. Mean age
was 34.3 years and 82% were females. TPO antibodies were positive in 73.5%
of OH and 51.1% of SCH patients. B12 deficiency was detected in 33.3%,
47.9%, and 37.5% of OH, SCH, and controls, respectively with no significant
difference (P = .334). Borderline-to-low B12 level was more
prevalent in the OH and the SCH groups compared to controls (68.9%, 85.4%,
and 57.5%, respectively; P = .014). Among B12-deficient
hypothyroid patients, 7.5% had positive IFAB and 13.3% had positive tTG
antibodies. We did not find a significant association of TPO positivity and
B12 deficiency (OR, 0.69; 95% CI 0.3-1.57; P = .147). Conclusion: We did not find a higher prevalence of B12 deficiency among hypothyroid
patients nor an association with TPO positivity. Borderline B12 levels were
more prevalent among hypothyroid patients.
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Affiliation(s)
- Mohamed Aon
- Department of Internal Medicine, Faculty of Medicine, Cairo University, Giza, Egypt
| | - Sherif Taha
- Department of Internal Medicine, Faculty of Medicine, Cairo University, Giza, Egypt.,Department of Internal Medicine, Jahra Hospital, Jahra, Kuwait
| | - Khaled Mahfouz
- Department of Internal Medicine, Jahra Hospital, Jahra, Kuwait
| | - Mohamed M Ibrahim
- Department of Clinical Pharmacology, Jahra Hospital, Jahra, Kuwait.,Department of Clinical Pharmacology, 6th October University, 6th October city, Egypt
| | - Ahmed H Aoun
- Department of Pediatrics, Faculty of Medicine, Cairo University, Giza, Egypt
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van Vliet NA, Kamphuis AEP, den Elzen WPJ, Blauw GJ, Gussekloo J, Noordam R, van Heemst D. Thyroid Function and Risk of Anemia: A Multivariable-Adjusted and Mendelian Randomization Analysis in the UK Biobank. J Clin Endocrinol Metab 2022; 107:e643-e652. [PMID: 34514498 PMCID: PMC8764336 DOI: 10.1210/clinem/dgab674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT Thyroid dysfunction is associated with higher anemia prevalence, although causality remains unclear. OBJECTIVE This study aimed to investigate the association between thyroid function and anemia. METHODS This cross-sectional and Mendelian randomization study included 445 482 European participants from the UK Biobank (mean age 56.77 years (SD 8.0); and 54.2% women). Self-reported clinical diagnosis of hypothyroidism was stated by 21 860 (4.9%); self-reported clinical diagnosis of hyperthyroidism by 3431 (0.8%). Anemia, defined as hemoglobin level of < 13 g/dL in men and < 12 g/dL in women, was present in 18 717 (4.2%) participants. RESULTS In cross-sectional logistic regression analyses, self-reported clinical diagnoses of hypo- and hyperthyroidism were associated with higher odds of anemia (OR 1.12; 95% CI, 1.05-1.19 and OR 1.09; 95% CI, 0.91-1.30), although with wide confidence intervals for hyperthyroidism. We did not observe an association of higher or lower genetically influenced thyrotropin (TSH) with anemia (vs middle tertile: OR for lowest tertile 0.98 [95% CI, 0.95-1.02]; highest tertile 1.02 [95% CI, 0.98-1.06]), nor of genetically influenced free thyroxine (fT4) with anemia. Individuals with genetic variants in the DIO3OS gene implicated in intracellular regulation of thyroid hormones had a higher anemia risk (OR 1.05; 95% CI, 1.02-1.10); no association was observed with variants in DIO1 or DIO2 genes. CONCLUSION While self-reported clinical diagnosis of hypothyroidism was associated with higher anemia risk, we did not find evidence supporting a causal association with variation of thyroid function within the euthyroid range. However, intracellular regulation of thyroid hormones might play a role in developing anemia.
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Affiliation(s)
- Nicolien A van Vliet
- Department of Internal Medicine, Section of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands
| | - Annelies E P Kamphuis
- Department of Internal Medicine, Section of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands
| | - Wendy P J den Elzen
- Atalmedial Diagnostics Centre, Amsterdam,The Netherlands
- Department of Clinical Chemistry, Amsterdam UMC, Amsterdam, The Netherlands
| | - Gerard J Blauw
- Department of Internal Medicine, Section of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands
| | - Jacobijn Gussekloo
- Department of Internal Medicine, Section of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands
- Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
| | - Raymond Noordam
- Department of Internal Medicine, Section of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands
| | - Diana van Heemst
- Department of Internal Medicine, Section of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, The Netherlands
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6
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Yuan L, Luan D, Xu X, Yang Q, Huang X, Zhao S, Zhang Y, Zhou Z. Altered attention networks in patients with thyroid dysfunction: A neuropsychological study. Horm Behav 2020; 121:104714. [PMID: 32057820 DOI: 10.1016/j.yhbeh.2020.104714] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 02/07/2020] [Accepted: 02/09/2020] [Indexed: 11/28/2022]
Abstract
Patients with thyroid dysfunction (31 hypothyroid, 32 subclinical hypothyroidism, 34 hyperthyroid, and 30 subclinical hyperthyroidism) and 37 euthyroid control subjects were recruited and performed the attention network test (ANT), which can simultaneously examine the alertness, orientation and execution control of the participants. Patients with hypothyroidism had abnormalities in the alerting network, and those with hyperthyroidism had impairments of the alerting and executive control networks. No attention networks deficit existed in patients with subclinical hyperthyroidism and subclinical hypothyroidism. The anxiety and depression scores of patients with thyroid dysfunction were significantly higher than those of the healthy control group. Covariance analysis demonstrated that interactions between group and Hamilton Anxiety Scale scores, group and HAMD score were not significant, but there was a significant main effect for group when analyzing the difference in values of the alerting network between groups. Further, the efficiency of the executive control network was negatively correlated with the T4 level in the hypothyroidism group, and positively correlated with the T4 level in the hyperthyroidism group. T4 or T3 level and efficiencies of the executive control network had a significant quadratic U-shaped relationship in all participants. In summary, the patients with four kinds of thyroid dysfunction exhibited different characteristics of ANT performance. Patients with thyroid dysfunction had various degrees of anxiety and depression disorders, but anxiety and depression disorders had no effect on the differences in the executive control network between the groups.
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Affiliation(s)
- Lili Yuan
- Department of Neurology, the First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, PR China.
| | - Di Luan
- Department of Neurology, the First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, PR China
| | - Xiangjun Xu
- Department of Neurology, the First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, PR China
| | - Qian Yang
- Department of Neurology, the First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, PR China
| | - Xianjun Huang
- Department of Neurology, the First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, PR China
| | - Shoucai Zhao
- Department of Neurology, the First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, PR China
| | - Yuanxiang Zhang
- Department of Clinical Pharmacy, the First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, PR China
| | - Zhiming Zhou
- Department of Neurology, the First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui Province, PR China
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7
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Kim M, Kim BH, Lee H, Jang MH, Kim JM, Kim EH, Jeon YK, Kim SS, Kim IJ. Association between Serum Free Thyroxine and Anemia in Euthyroid Adults: A Nationwide Study. Endocrinol Metab (Seoul) 2020; 35:106-114. [PMID: 32207270 PMCID: PMC7090294 DOI: 10.3803/enm.2020.35.1.106] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 11/25/2019] [Accepted: 12/23/2019] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Studies on the relationship between thyroid function and anemia in the euthyroid range are scarce. We aimed to evaluate the association between anemia and serum free thyroxine (fT4) and thyrotropin (TSH) in euthyroid adults. METHODS Data on 5,352 participants aged ≥19 years were obtained from the Korea National Health and Nutrition Examination Survey VI (2013 to 2015). Anemia was defined as hemoglobin (Hb) <13 and <12 g/dL for men and women, respectively. RESULTS Overall, 6.1% of participants had anemia, and more women (9.9%) had anemia than men (2.8%, P<0.001). In multivariate analysis, serum fT4 levels, but not TSH, were positively associated with serum Hb levels in both sexes (P<0.001, each). Serum Hb levels linearly reduced across decreasing serum fT4 quartile groups in both sexes (P<0.001, each). After adjusting for potential confounding factors, participants with low-normal fT4 had 4.4 (P=0.003) and 2.8 times (P<0.001) higher risk for anemia than those with high-normal fT4 among men and women, respectively. When participants were divided into two groups at 50 years of age, in younger participants, men and women with the first quartile were at higher risk of anemia than men with the second quartile (odds ratio [OR], 3.3; P=0.029) and women with the forth quartile (OR, 3.2; P<0.001), respectively. This association was not observed in older participants. CONCLUSION These results suggest that a low-normal level of serum fT4 was associated with a lower serum Hb level and a higher risk of anemia in euthyroid adults, especially in younger participants.
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Affiliation(s)
- Mijin Kim
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Bo Hyun Kim
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea.
| | - Hyungi Lee
- Academic Research Organization, Clinical Trial Center, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Min Hee Jang
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Jeong Mi Kim
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Eun Heui Kim
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Yun Kyung Jeon
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - Sang Soo Kim
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
| | - In Joo Kim
- Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, Korea
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Krygier A, Szczepanek-Parulska E, Filipowicz D, Ruchała M. Changes in serum hepcidin according to thyrometabolic status in patients with Graves' disease. Endocr Connect 2020; 9:EC-20-0017. [PMID: 32069222 PMCID: PMC7077520 DOI: 10.1530/ec-20-0017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 02/18/2020] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Hepcidin is an acute-phase protein and a key regulator of iron homeostasis. Anaemia frequently occurs in patients with thyroid dysfunction, and hepcidin may be a potential link. OBJECTIVES Prospective assessment of hepcidin serum concentration and other parameters related to Fe homeostasis in hyperthyroid patients in the course of GD at diagnosis and during remission. PATIENTS AND METHODS Out of 70 patients recruited, 42 (32 women, 10 men), aged 42.5±15.1 years, met the inclusion criteria. Clinical and biochemical assessment, including hepcidin measurement by ELISA, was performed at baseline (T0) and after restoration of euthyroidism (T1). RESULTS Hepcidin concentration at T0 in the 24 patients who completed the study was significantly higher than the value during euthyroidism (28.7 (8.1-39.4) ng/mL vs. 7.9 (4.3-12.9) ng/mL, p<0.001). Hepcidin level was most significantly correlated with ferritin (rho = 0.723) in women at T0. In both men (377 (171-411) vs. 165 (84-237) ng/mL, p=0.001) and women (84 (23-104) vs. 35 (16-64) ng/mL, p=0.001), a significant decrease in ferritin level was demonstrated following therapy. A significant (p<0.001) increase in mean corpuscular volume (MCV) (83.5 (82.5-87.1) vs. 89.5 (88.8-90.0) fL) and mean concentration of haemoglobin (MCH) (29.0 (28.0-29.4) vs. 30.4 (29.5-31.1) pg) was observed. CONCLUSIONS Hepcidin and ferritin decrease significantly during the transition from a hyperthyroid state to euthyroidism in patients with GD. The observed changes occur in parallel to iron homeostasis fluctuations. During the transition from the hyperthyroid state to euthyroidism, the improvement of haematological status is reflected mainly by the increase in MCV and MCH.
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Affiliation(s)
- Aleksandra Krygier
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Ewelina Szczepanek-Parulska
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Dorota Filipowicz
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
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9
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Kucharska AM, Witkowska-Sȩdek E, Labochka D, Rumińska M. Clinical and Biochemical Characteristics of Severe Hypothyroidism Due to Autoimmune Thyroiditis in Children. Front Endocrinol (Lausanne) 2020; 11:364. [PMID: 32733376 PMCID: PMC7360718 DOI: 10.3389/fendo.2020.00364] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 05/11/2020] [Indexed: 01/04/2023] Open
Abstract
Introduction: In the majority of countries, autoimmune thyroiditis is the main cause of acquired hypothyroidism in children. Typically, the natural course of the disease is initially insidious and the diagnosis is incidental. There are some children who develop severe hypothyroidism without a proper diagnosis. The aim of the study was to analyze the clinical and biochemical profiles of children with severe primary hypothyroidism due to autoimmune thyroiditis. Materials and Methods: We analyzed the records of 354 patients diagnosed between 2009 and 2019 with autoimmune thyroiditis. Only patients with TSH above 100 μIU/mL, associated with decreased free thyroxine and the presence of antithyroid antibodies, were enrolled in the study. The analysis encompassed clinical symptoms, thyroid and biochemical status, bone age, and imaging. Results: Twenty-six children were enrolled in the study. The mean age at diagnosis was 10.26 ± 3.3 years, with a female preponderance of 1.8:1. The most frequent symptom was growth impairment (77%) and weight gain (58%). Goiters were present in 42% of patients. Less common findings were pituitary hypertrophy (four patients) and hypertrichosis (three patients). Median values at the time of diagnosis were TSH 454.3 uIU/ml (295.0-879.4), anti-TPO antibodies 1,090 IU/ml, and anti-Tg antibodies 195 IU/ml. Anti-TSHR ab were evaluated only in six out of the 26 patients. The characteristic biochemical profile was correlated with the grade of hypothyroidism, and the strongest correlations were found with CBC parameters, lipid profile, aminotransferases, and creatine. Conclusion: In children with severe hypothyroidism, the most sensitive symptoms are growth arrest and weight gain despite the fact that, in some children, the auxological parameters at presentation could be within normal values for the population. The specific biochemical profile closely correlates to the severity of thyroid hormone deficiency and involves mostly erythropoiesis, liver function, and kidney function. Pituitary enlargement should be considered in each child with severe hypothyroidism. It is necessary to conduct prospective studies evaluating the actual frequency of anti-TSHR antibodies and pituitary enlargement in children with extremely high TSH, especially those presenting without goiters.
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10
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Lahner E, Conti L, Cicone F, Capriello S, Cazzato M, Centanni M, Annibale B, Virili C. Thyro-entero-gastric autoimmunity: Pathophysiology and implications for patient management. Best Pract Res Clin Endocrinol Metab 2020; 34:101373. [PMID: 31864909 DOI: 10.1016/j.beem.2019.101373] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The association between autoimmune atrophic gastritis and thyroid disorders has been observed since the early 1960s and the expression "thyrogastric syndrome" was coined to indicate the presence of thyroid autoantibodies or autoimmune thyroid disease in patients with pernicious anemia, a late clinical stage of autoimmune atrophic gastritis. More recently, it was confirmed that autoimmune thyroid disorders, in particular Hashimoto's thyroiditis, may be frequently associated with other organ-specific, immune-mediated disorders, such as autoimmune atrophic gastritis or celiac disease. The association of Hashimoto's thyroiditis with autoimmune atrophic gastritis or celiac disease in adult patients is currently considered part of the polyglandular autoimmune syndromes which include several autoimmune disorders associated with an autoaggressive impairment of endocrine glands. From a clinical point of view, the thyro-entero-gastric autoimmunity may lead to potentially serious consequences like anemia, micronutrients deficiencies, and drugs malabsorption, as well as to an increased risk for malignancies. These alterations may frequently present in an underhand manner, with consequent diagnostic and treatment delays. Many aspects of the association between thyroid, gastric and intestinal autoimmune diseases still await clarification. The present review focuses on the embryological, genetic and pathophysiological aspects of thyro-entero-gastric autoimmunity. In particular, the current diagnostic criteria of autoimmune thyroid disease, autoimmune atrophic gastritis, and celiac disease are reviewed, along with the evidences for their association in poly-autoimmunity syndromes. The benefits of proactive screening of autoimmune thyroid disorders in patients with autoimmune gastritis or enteropathy and viceversa are also discussed.
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Affiliation(s)
- Edith Lahner
- Medical-Surgical Department of Clinical Sciences and Translational Medicine, Sant'Andrea Hospital, School of Medicine, Sapienza University of Rome, Via Grottarossa 1035, 00189, Rome, Italy
| | - Laura Conti
- Medical-Surgical Department of Clinical Sciences and Translational Medicine, Sant'Andrea Hospital, School of Medicine, Sapienza University of Rome, Via Grottarossa 1035, 00189, Rome, Italy
| | - Francesco Cicone
- Department of Nuclear Medicine and Molecular Imaging, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
| | - Silvia Capriello
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Viale Policlinico 155, 00161, Rome, Italy
| | - Maria Cazzato
- Medical-Surgical Department of Clinical Sciences and Translational Medicine, Sant'Andrea Hospital, School of Medicine, Sapienza University of Rome, Via Grottarossa 1035, 00189, Rome, Italy
| | - Marco Centanni
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Viale Policlinico 155, 00161, Rome, Italy
| | - Bruno Annibale
- Medical-Surgical Department of Clinical Sciences and Translational Medicine, Sant'Andrea Hospital, School of Medicine, Sapienza University of Rome, Via Grottarossa 1035, 00189, Rome, Italy
| | - Camilla Virili
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Viale Policlinico 155, 00161, Rome, Italy
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11
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Hernik A, Szczepanek-Parulska E, Filipowicz D, Abdolall A, Borowczyk M, Wrotkowska E, Czarnywojtek A, Krasiński Z, Ruchała M. The hepcidin concentration decreases in hypothyroid patients with Hashimoto's thyroiditis following restoration of euthyroidism. Sci Rep 2019; 9:16222. [PMID: 31700042 PMCID: PMC6838327 DOI: 10.1038/s41598-019-52715-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 10/21/2019] [Indexed: 11/16/2022] Open
Abstract
The purpose of the study was to measure the hepcidin concentration and evaluate Fe homeostasis indices in a prospective study on patients with newly diagnosed hypothyroidism in the course of Hashimoto’s thyroiditis (HT) and following successful therapy. The prospective observational study consisted of 34 patients. The clinical evaluation and laboratory tests were performed at diagnosis (T0) and after restoration of euthyreosis 12 weeks later (T1). The median level of hepcidin was significantly lower (p = 0.002) after recovery (7.7 [6.2–13.0] ng/mL) than that before treatment (17.4 [7.6–20.4] ng/mL), while creatinine (p = 0.011) and GFR (p < 0.001) significantly improved after euthyroidism was achieved. A positive correlation was observed between hepcidin and fT3 (p = 0.033, r = 0.465) at T0. In the females, the level of hepcidin positively correlated with ferritin concentration before (p < 0.001, r = 0.928) and after treatment (p < 0.001, r = 0.835). A statistically significant difference was observed in RDW-CV (red blood cell distribution width - coefficient of variation) between the hypothyroid and euthyroid states. In conclusion, a decrease in hepcidin concentration during the transition from the hypothyroid state to euthyroidism in patients with HT is associated with the observed dynamics in iron homeostasis, mainly reflected by improvement in RDW-CV and significant correlations between ferritin and hepcidin as well as between hepcidin and fT3.
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Affiliation(s)
- Aleksandra Hernik
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Ewelina Szczepanek-Parulska
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland.
| | - Dorota Filipowicz
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Ali Abdolall
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Martyna Borowczyk
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Elżbieta Wrotkowska
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Agata Czarnywojtek
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
| | - Zbigniew Krasiński
- Department of Vascular and Endovascular Surgery, Angiology and Phlebology, Poznan University of Medical Sciences, Poznan, Poland
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
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12
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Gu Y, Chi VTQ, Zhang Q, Liu L, Meng G, Wu H, Bao X, Zhang S, Sun S, Wang X, Zhou M, Jia Q, Song K, Niu K. Low-Normal Thyroid Function Predicts Incident Anemia in the General Population With Euthyroid Status. J Clin Endocrinol Metab 2019; 104:5693-5702. [PMID: 31361306 DOI: 10.1210/jc.2019-00888] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 07/18/2019] [Indexed: 01/01/2023]
Abstract
CONTEXT Thyroid hormones (THs) have direct and indirect effects on hematopoiesis. However, few studies have directly evaluated the effect of THs on incident anemia among euthyroid subjects. This cohort study aimed to explore whether THs under physiological conditions can affect the development of anemia in the general population. DESIGN A total of 12,310 participants were enrolled in the cohort study (∼5-year follow-up period; mean, 3.1 years). A chemiluminescence immunoassay was used to measure free T3 (FT3), free T4 (FT4), and TSH, and anemia was defined according to the World Health Organization recommendation. THs, TSH, and Hb were assessed yearly during follow-up. Multivariable Cox proportional hazards regression models were used to assess the association between THs, TSH, and incident anemia. RESULTS The fully adjusted hazards ratios (95% CI) of anemia per 1-unit change in FT3, FT4, and TSH concentrations were 0.70 (0.56, 0.87), 0.93 (0.88, 0.98), and 1.19 (0.94, 1.50) (P < 0.01, P < 0.01, and P = 0.14, respectively). Moreover, a significant and positive association between FT3, FT4, and annual changes in Hb (standard regression coefficients of 0.056 and 0.028, respectively; both P < 0.01) was observed. Similar associations were observed when the participants who had thyroid dysfunction upon follow-up were excluded. CONCLUSIONS The current study demonstrated that THs significantly predict future anemia and annual changes in Hb, even in the euthyroid population.
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Affiliation(s)
- Yeqing Gu
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Vu Thi Quynh Chi
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Qing Zhang
- Health Management Center, Tianjin Medical University General Hospital, Tianjin, China
| | - Li Liu
- Health Management Center, Tianjin Medical University General Hospital, Tianjin, China
| | - Ge Meng
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Hongmei Wu
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Xue Bao
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Shunming Zhang
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
| | - Shaomei Sun
- Health Management Center, Tianjin Medical University General Hospital, Tianjin, China
| | - Xing Wang
- Health Management Center, Tianjin Medical University General Hospital, Tianjin, China
| | - Ming Zhou
- Health Management Center, Tianjin Medical University General Hospital, Tianjin, China
| | - Qiyu Jia
- Health Management Center, Tianjin Medical University General Hospital, Tianjin, China
| | - Kun Song
- Health Management Center, Tianjin Medical University General Hospital, Tianjin, China
| | - Kaijun Niu
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China
- Health Management Center, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
- Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China
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13
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Spiegel E, Spence AR, Czuzoj-Shulman N, Abenhaim HA. Pregnancy outcomes after thyroid cancer. J Perinat Med 2019; 47:710-716. [PMID: 31323010 DOI: 10.1515/jpm-2019-0039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 06/21/2019] [Indexed: 12/16/2022]
Abstract
Background Thyroid cancer is one of the most common cancers in women of reproductive age. Our purpose was to evaluate the association between thyroid cancer and maternal and neonatal outcomes of pregnancy. Methods We conducted a retrospective cohort study using the Healthcare Cost and Utilization Project, Nationwide Inpatient Sample (HCUP-NIS) database from the US. A cohort consisting of women who delivered between 1999 and 2014 was created. Multivariate logistic regression, controlling for baseline maternal characteristics, was used to compare pregnancy complications and neonatal outcomes of pregnant women with thyroid cancer [International Classification of Diseases, ninth edition (ICD-9) code 193] diagnosed before or during pregnancy with those of the obstetric population without thyroid cancer. Results The study included 14,513,587 pregnant women, of which 581 women had a diagnosis of thyroid cancer (4/100,000). During the observation period, there was an upward trend in the prevalence of thyroid cancer among pregnant women, though not statistically significant (P = 0.147). Women with thyroid cancer were more likely to be Caucasian, belong to a higher income quartile, have private insurance, to be discharged from an urban teaching hospital and to have pre-gestational hypertension. Women with thyroid cancer had a greater chance of delivering vaginally, requiring transfusion of blood and developing venous thromboembolism (VTE). Neonates of mothers with thyroid cancer were not found to be at increased risk for the adverse neonatal outcomes examined, specifically, congenital malformations, intrauterine growth restriction, fetal death and preterm labor. Conclusion Pregnancies complicated by thyroid cancer have higher incidences of VTE and need for transfusions, with comparable overall newborn outcomes.
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Affiliation(s)
- Efrat Spiegel
- Jewish General Hospital, McGill University, Obstetrics and Gynecology, Montreal, Canada
| | - Andrea R Spence
- Centre for Clinical Epidemiology and Community Studies, Jewish General Hospital, Montreal, QC, Canada
| | - Nicholas Czuzoj-Shulman
- Centre for Clinical Epidemiology and Community Studies, Jewish General Hospital, Montreal, QC, Canada
| | - Haim Arie Abenhaim
- Jewish General Hospital, McGill University, Obstetrics and Gynecology, Montreal, Canada.,Centre for Clinical Epidemiology and Community Studies, Jewish General Hospital, Montreal, QC, Canada
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14
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Dutta D, Garg A, Khandelwal D, Kalra S, Mittal S, Chittawar S. Thyroid Symptomatology across the Spectrum of Hypothyroidism and Impact of Levothyroxine Supplementation in Patients with Severe Primary Hypothyroidism. Indian J Endocrinol Metab 2019; 23:373-378. [PMID: 31641642 PMCID: PMC6683699 DOI: 10.4103/ijem.ijem_78_19] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE This study aimed to determine the clinical and biochemical profile of patients with severe primary hypothyroidism (SPH) (TSH ≥40 μIU/ml) as compared to milder forms of hypothyroidism and document improvement in hypothyroidism symptoms in SPH. METHODS Thyroid symptomatology and biochemistry were evaluated in SPH, non-severe overt primary hypothyroidism (NSOPH; TSH <40 μIU/ml), subclinical hypothyroidism (ScH) and healthy controls. A total of 598 consecutive patients of hypothyroidism were screened of which 461 patients' data were analyzed (91 SPH, 130 NSOPH and 240 ScH). Thyroid symptomatology was re-evaluated at 12 weeks follow-up in SPH following restoration of euthyroidism with levothyroxine. RESULTS The median (interquartile range) age of patients was 35 (28-42) years with 91.6% female. The commonly noted symptomatology were shortness of breath (93.4%) and fatigueability (91.2%) in SPH, fatigueability (68.46%) and limbs swelling (43.07%) in NSOPH, and fatigueability (56.67%) and shortness of breath (32.92%) in ScH. All symptomatology were significantly higher in SPH. Delayed tendon reflex, carpel tunnel syndrome and meno-metrorrhagia were exclusive in SPH. Occurrence of menstrual irregularities was 73.62%, 28.46% and 16.25% in SPH, NSOPH and ScH, respectively. SPH patients had significantly higher cholesterol and triglycerides. There was significant improvement in symptomatology, reduction in body weight (-2.11 kg), improvement in hemoglobin (+0.64 g/L) with fall in total cholesterol (-18.96%), LDL-cholesterol (-23.46%) and triglycerides (-13.53%) following euthyroidism restoration in subjects with SPH. Common residual symptoms were fatigue (10%), poor memory (8%) and menstrual irregularities (6%). CONCLUSION Thyroid symptomatology differs significantly across spectrum of hypothyroidism, being significantly worse in SPH. Euthyroidism restoration is associated with reversal of majority of thyroid symptomatology.
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Affiliation(s)
- Deep Dutta
- Department of Endocrinology, Venkateshwar Hospitals, Dwarka, New Delhi, India
| | - Aakash Garg
- Department of Internal Medicine, Maharaja Agrasen Hospital, Punjabi Bagh, New Delhi, India
| | - Deepak Khandelwal
- Department of Endocrinology, Maharaja Agrasen Hospital, Punjabi Bagh, New Delhi, India
| | - Sanjay Kalra
- Department of Endocrinology, Maharaja Agrasen Hospital, Punjabi Bagh, New Delhi, India
| | - Suresh Mittal
- Department of Internal Medicine, Maharaja Agrasen Hospital, Punjabi Bagh, New Delhi, India
| | - Sachin Chittawar
- Department of Medicine, Division of Endocrinology, Gandhi Medical College and Hamidia Hospital, Bhopal, India
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15
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Tu R, Shen H, Zhu Q, Mao G, Xu X, Yu S. A retrospective analysis of 1,231 patients with anemia after surgical treatment of hyperthyroidism. Exp Ther Med 2018; 16:4664-4668. [PMID: 30542418 PMCID: PMC6257823 DOI: 10.3892/etm.2018.6738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 08/28/2018] [Indexed: 11/05/2022] Open
Abstract
This study retrospectively analyzed the clinical and pathological data of 1,231 patients affected by anemia after surgical treatment of hyperthyroidism to explore the influencing factors of anemia after surgical treatment of hyperthyroidism. The clinical data of 1,231 patients affected by anemia after surgical treatment of hyperthyroidism from 1987 to 2017 were analyzed. Clinical data included the surgery methods, sex, age and pathological types. SPSS 22.0 statistical software was used for all statistical analyses. Correlation analyses were performed by using logistic regression analysis, and other enumeration data were subjected to χ2 test. p<0.05 was considered to be statistically significant. The occurrence of anemia after surgical treatment of hyperthyroidism was significantly correlated with age and pathological types (p<0.05). Correlation analysis also showed that age and pathological types were significantly correlated with the occurrence of anemia after surgical treatment of hyperthyroidism. Age and pathological types may be the risk factors for anemia in patients with surgical treatment of hyperthyroidism. Age and pathological type were significantly correlated with the occurrence of anemia after surgical treatment of hyperthyroidism, and may be risk factors for this disease.
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Affiliation(s)
- Ruisha Tu
- Department of Neck and Thoracic Surgery, 187th Hospital of People's Liberation Army, Haikou, Hainan 571100, P.R. China
| | - Hongfeng Shen
- Department of Urinary Surgery, 187th Hospital of People's Liberation Army, Haikou, Hainan 571100, P.R. China
| | - Qicong Zhu
- Department of Internal Medicine-Oncology, 187th Hospital of People's Liberation Army, Haikou, Hainan 571100, P.R. China
| | - Gaocai Mao
- Department of Pathology, 187th Hospital of People's Liberation Army, Haikou, Hainan 571100, P.R. China
| | - Xiaojiang Xu
- Department of Neck and Thoracic Surgery, 187th Hospital of People's Liberation Army, Haikou, Hainan 571100, P.R. China
| | - Shuyong Yu
- Department of Neck and Thoracic Surgery, 187th Hospital of People's Liberation Army, Haikou, Hainan 571100, P.R. China
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16
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Petkus DL, Murray-Kolb LE, De Souza MJ. The Unexplored Crossroads of the Female Athlete Triad and Iron Deficiency: A Narrative Review. Sports Med 2018; 47:1721-1737. [PMID: 28290159 DOI: 10.1007/s40279-017-0706-2] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Despite the severity and prevalence of iron deficiency in exercising women, few published reports have explored how iron deficiency interacts with another prevalent and severe condition in exercising women: the 'female athlete triad.' This review aims to describe how iron deficiency may interact with each component of the female athlete triad, that is, energy status, reproductive function, and bone health. The effects of iron deficiency on energy status are discussed in regards to thyroid function, metabolic fuel availability, eating behaviors, and energy expenditure. The interactions between iron deficiency and reproductive function are explored by discussing the potentially impaired fertility and hyperprolactinemia due to iron deficiency and the alterations in iron metabolism due to menstrual blood loss and estrogen exposure. The interaction of iron deficiency with bone health may occur via dysregulation of the growth hormone/insulin-like growth factor-1 axis, hypoxia, and hypothyroidism. Based on these discussions, several future directions for research are presented.
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Affiliation(s)
- Dylan L Petkus
- Department of Kinesiology, The Pennsylvania State University, 104 Noll Laboratory, University Park, PA, 16802, USA
| | - Laura E Murray-Kolb
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Mary Jane De Souza
- Department of Kinesiology, The Pennsylvania State University, 104 Noll Laboratory, University Park, PA, 16802, USA.
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17
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Sehgal S, Tamatea JAU, Conaglen JV, Elston MS. Anaemia and thyrotoxicosis: The need to look for an alternative cause. Clin Endocrinol (Oxf) 2018; 88:957-962. [PMID: 29566435 DOI: 10.1111/cen.13598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 02/27/2018] [Accepted: 03/15/2018] [Indexed: 11/27/2022]
Abstract
OBJECTIVES Anaemia and thyrotoxicosis are both relatively common. It is unclear whether thyrotoxicosis results in anaemia in the absence of other causes. The aim of this study was to determine the prevalence and characteristics of anaemia in patients with thyrotoxicosis. DESIGN A prospective cohort study of patients with thyrotoxicosis. PATIENTS 353 patients referred to a regional endocrinology centre in New Zealand from March 2013 to November 2014 for new-onset thyrotoxicosis. MEASUREMENTS Detailed assessment including thyroid function tests, full blood count, inflammatory markers, haematological parameters and coeliac serology. Anaemia was defined as a haemoglobin value <115 g/L (woman) or <130 g/L (men). RESULTS Anaemia was present in 31 (8.7%) patients at diagnosis. Of these, pre-existing anaemia was present in 10, and a further 11 had one or more identifiable underlying cause(s) for the anaemia. Only 10 patients (2.8% of the entire cohort) had anaemia not clearly attributable to another cause. Median free thyroid hormone levels were higher in those with anaemia of unknown cause compared to patients with thyrotoxicosis alone. The median duration of anaemia was shorter in patients with thyrotoxicosis-associated anaemia compared to those with anaemia due to an underlying cause (1 vs 6 months, P = .001). In all patients with thyrotoxicosis-associated anaemia, the anaemia resolved, either prior to, or on becoming euthyroid. CONCLUSION Anaemia coexisting with thyrotoxicosis is less common than previously reported and is mild and transient. Patients with thyrotoxicosis and significant anaemia should be investigated for other potential causes, particularly when anaemia persists.
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Affiliation(s)
- S Sehgal
- Department of Endocrinology, Waikato Hospital, Hamilton, New Zealand
| | - J A U Tamatea
- Waikato Clinical Campus, University of Auckland, Hamilton, New Zealand
| | - J V Conaglen
- Waikato Clinical Campus, University of Auckland, Hamilton, New Zealand
| | - M S Elston
- Department of Endocrinology, Waikato Hospital, Hamilton, New Zealand
- Waikato Clinical Campus, University of Auckland, Hamilton, New Zealand
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18
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Floriani C, Feller M, Aubert CE, M'Rabet-Bensalah K, Collet TH, den Elzen WPJ, Bauer DC, Angelillo-Scherrer A, Aujesky D, Rodondi N. Thyroid Dysfunction and Anemia: A Prospective Cohort Study and a Systematic Review. Thyroid 2018; 28:575-582. [PMID: 29631476 DOI: 10.1089/thy.2017.0480] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND Even though the association between thyroid dysfunction and anemia is commonly described, it is not known whether it is clinically relevant. This study set out to quantify the association of thyroid dysfunction on hemoglobin (Hb) concentration and risk of anemia. A systematic review (MEDLINE and EMBASE, from inception until May 15, 2017) was conducted to interpret the findings in context. METHODS Participants from the EPIC-Norfolk cohort with available baseline thyrotropin (TSH), free thyroxine (fT4), and Hb were included. Euthyroidism was defined as TSH 0.45-4.49 mIU/L (reference category), hypothyroidism as TSH ≥4.50 mIU/L (subclinical [SHypo] with normal fT4 or overt [OHypo] with low fT4), and hyperthyroidism as TSH ≤0.44 mIU/L (subclinical [SHyper] with normal fT4 or overt [OHyper] with elevated fT4). Anemia was defined as Hb <12 g/dL in women and Hb <13 g/dL in men. In the cross-sectional analyses, multiple linear regression was used to compare Hb across TSH categories. In the prospective analysis, participants with OHypo/OHyper at baseline were excluded, as it was assumed that they were treated for overt thyroid disease. A covariance model was used to determine change in Hb concentration from baseline to last follow-up, and multivariable Cox regression was used to analyze anemia risk. RESULTS In the cross-sectional population (n = 12,337), the adjusted Hb was 0.22 g/dL lower [confidence interval (CI) 0.07-0.38] in OHypo compared to euthyroids, and 0.08 g/dL lower [CI -0.23 to 0.38] in OHyper. In the prospective analysis, 460/7031 participants developed anemia over a median follow-up of 4.7 years. The adjusted mean Hb change over time was -0.04 g/dL in SHypo [CI -0.14 to 0.06] and 0.05 g/dL in SHyper [CI -0.10 to 0.20]. The adjusted hazard ratio for anemia was 0.99 [CI 0.67-1.48] in SHypo, and 0.52 [CI 0.23-1.16] in SHyper. The systematic review returned no other prospective studies on this association, but cross-sectional and case-control studies showed comparable results. CONCLUSION In this first prospective population-based cohort, subclinical thyroid dysfunction was not associated with a change in Hb concentration during follow-up and was not an independent risk factor for developing anemia; variations in Hb concentration in patients with overt thyroid dysfunction were not clinically relevant.
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Affiliation(s)
- Carmen Floriani
- 1 Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern , Bern, Switzerland
| | - Martin Feller
- 1 Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern , Bern, Switzerland
- 2 Institute of Primary Health Care (BIHAM), University of Bern , Bern, Switzerland
| | - Carole E Aubert
- 1 Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern , Bern, Switzerland
| | - Khadija M'Rabet-Bensalah
- 1 Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern , Bern, Switzerland
| | - Tinh-Hai Collet
- 3 Service of Endocrinology, Diabetes and Metabolism, University Hospital of Lausanne , Lausanne, Switzerland
| | - Wendy P J den Elzen
- 4 Leiden University Medical Center , Department of Clinical Chemistry and Laboratory Medicine, Leiden, the Netherlands
| | - Douglas C Bauer
- 5 Departments of Medicine and Epidemiology and Biostatistics, University of California , San Francisco, California
| | - Anne Angelillo-Scherrer
- 6 Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern , Bern, Switzerland
- 7 Department of Clinical Research, University of Bern , Bern, Switzerland
| | - Drahomir Aujesky
- 1 Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern , Bern, Switzerland
| | - Nicolas Rodondi
- 1 Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern , Bern, Switzerland
- 2 Institute of Primary Health Care (BIHAM), University of Bern , Bern, Switzerland
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19
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Abstract
When athletic performance begins to deteriorate, it is important to identify possible underlying etiologies to explain such a phenomenon. Causes include inadequate nutrition, improper training habits, infection, and hematologic or endocrine diseases. In athletes, a thorough investigation of potentially reversible underlying medical conditions may be warranted when there are noted disruptions in training, competition, and recovery. Thyroid disorders should be considered in athletes in whom such a condition is suspected. The clinical picture may not be entirely clear, as athletes may have serum laboratory values that do not accurately correlate with the presenting signs and symptoms, as one might expect. That picture is even further muddled in individuals undergoing significant physiologic stress, and in whom anabolic agents or exogenous thyroid hormone are used. Because there are currently no consensus guidelines on the matter, return to play issues must be addressed when implementing treatment strategies and monitoring serial laboratory values on a case-by-case basis.
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Affiliation(s)
- John R Luksch
- Division of Non-Operative Sports Medicine, Rothman Institute, Philadelphia, PA
| | - Philip B Collins
- Division of Non-Operative Sports Medicine, Rothman Institute, Philadelphia, PA
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20
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Lam JR, Schneider JL, Quesenberry CP, Corley DA. Proton Pump Inhibitor and Histamine-2 Receptor Antagonist Use and Iron Deficiency. Gastroenterology 2017; 152:821-829.e1. [PMID: 27890768 DOI: 10.1053/j.gastro.2016.11.023] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 10/28/2016] [Accepted: 11/16/2016] [Indexed: 12/02/2022]
Abstract
BACKGROUND & AIMS Proton pump inhibitors (PPIs) and histamine-2 receptor antagonists (H2RAs) suppress gastric acid production, which can inhibit iron absorption. However, few data exist regarding whether these medications increase the risk of clinical iron deficiency. METHODS A community-based case-control study evaluated the association between acid-suppressing medication use and the subsequent risk of iron deficiency. It contrasted 77,046 patients with new iron deficiency diagnoses (January 1999-December 2013), with 389,314 controls. Medication exposures, outcomes, and potential confounders used electronic databases. We excluded patients with pre-existing risk factors for iron deficiency. Associations were estimated using conditional logistic regression. RESULTS Among cases, 2343 (3.0%) received a prior ≥2-year supply of PPIs and 1063 (1.4%) received H2RAs (without PPI use). Among controls, 3354 (0.9%) received a prior ≥2-year supply of PPIs and 2247 (0.6%) H2RAs. Both ≥2 years of PPIs (adjusted odds ratio, 2.49; 95% confidence interval, 2.35-2.64) and ≥2 years of H2RAs (odds ratio, 1.58; 95% CI, 1.46-1.71) were associated with an increased subsequent risk for iron deficiency. Among PPI users, the associations were stronger for higher daily doses (>1.5 vs <0.75 PPI pills/d; P value interaction = .004) and decreased after medication discontinuation (P-trend < .001). Some of the strongest associations were among persons taking >1.5 pills per day for at least 10 years (odds ratio, 4.27; 95% CI, 2.53-7.21). No similar strong associations were found for other commonly used prescription medications. CONCLUSIONS Among patients without known risk factors for iron deficiency, gastric acid inhibitor use for ≥2 years was associated with an increased subsequent risk of iron deficiency. The risk increased with increasing potency of acid inhibition and decreased after medication discontinuation.
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Affiliation(s)
- Jameson R Lam
- Kaiser Permanente Division of Research, Oakland, California
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Marzuillo P, Grandone A, Perrotta S, Ruggiero L, Capristo C, Luongo C, Miraglia Del Giudice E, Perrone L. Very early onset of autoimmune thyroiditis in a toddler with severe hypothyroidism presentation: a case report. Ital J Pediatr 2016; 42:61. [PMID: 27316517 PMCID: PMC4912771 DOI: 10.1186/s13052-016-0270-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 06/13/2016] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND In infants under 3 years of age acquired primary hypothyroidism caused by autoimmune thyroiditis is very rare. Hypothyroidism can manifest with different signs and symptoms and has a wide range of presentations from subclinical hypothyroidism to overt form. We describe a child with acquired autoimmune thyroiditis during a very early period of life and with a severe hypothyroidism presentation. CASE PRESENTATION A 22-month-old white male patient with normal neonatal screening presented with a six-month history of asthenia and cutaneous pallor. At general clinical and biochemical exams he showed weight gain, statural growth deceleration, poor movements, sleepy expression, instability while walking, myxoedema, bradycardia, open anterior fontanelle, changes in the face habitus, macrocytic anaemia, ascites, and high CPK, creatinine and cholesterol levels. Acquired autoimmune thyroiditis was the final diagnosis. The thyroxine replacement therapy normalized all the clinical and biochemical abnormalities but at the age of 30 months his mental age showed a delay of 6 months. CONCLUSIONS Our case could give useful learning points: i) although the screening for congenital hypothyroidism is routinely performed, a severe hypothyroidism (for example due to autoimmune thyroiditis) can anyway occur early in life and the clinicians should consider this possibility; ii) hypothyroidism can have a misleading and multi-face clinical presentation; iii) anemia, rhabdomyolysis and high creatinine levels should always include the hypothyroidism in the differential diagnosis; iv) thyroxine replacement therapy is able to revert all the clinical manifestations related to the hypothyroidism; v) evaluating the patient's previous pictures could play an important role in resolving a diagnostic conundrum.
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Affiliation(s)
- Pierluigi Marzuillo
- Department of Woman, Child and General and Specialized Surgery, Seconda Università degli Studi di Napoli, Via L. De Crecchio n° 2, 80138, Naples, Italy.
| | - Anna Grandone
- Department of Woman, Child and General and Specialized Surgery, Seconda Università degli Studi di Napoli, Via L. De Crecchio n° 2, 80138, Naples, Italy
| | - Silverio Perrotta
- Department of Woman, Child and General and Specialized Surgery, Seconda Università degli Studi di Napoli, Via L. De Crecchio n° 2, 80138, Naples, Italy
| | - Laura Ruggiero
- Department of Woman, Child and General and Specialized Surgery, Seconda Università degli Studi di Napoli, Via L. De Crecchio n° 2, 80138, Naples, Italy
| | - Carlo Capristo
- Department of Woman, Child and General and Specialized Surgery, Seconda Università degli Studi di Napoli, Via L. De Crecchio n° 2, 80138, Naples, Italy
| | - Caterina Luongo
- Department of Woman, Child and General and Specialized Surgery, Seconda Università degli Studi di Napoli, Via L. De Crecchio n° 2, 80138, Naples, Italy
| | - Emanuele Miraglia Del Giudice
- Department of Woman, Child and General and Specialized Surgery, Seconda Università degli Studi di Napoli, Via L. De Crecchio n° 2, 80138, Naples, Italy
| | - Laura Perrone
- Department of Woman, Child and General and Specialized Surgery, Seconda Università degli Studi di Napoli, Via L. De Crecchio n° 2, 80138, Naples, Italy
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