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Agahi S, Amouzegar A, Honarvar M, Azizi F, Mehran L. Interrelationship between thyroid hormones and reduced renal function, a review article. Thyroid Res 2024; 17:14. [PMID: 39004740 PMCID: PMC11247791 DOI: 10.1186/s13044-024-00201-y] [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: 04/10/2024] [Accepted: 05/19/2024] [Indexed: 07/16/2024] Open
Abstract
BACKGROUND Understanding the relationship of thyroid hormones with the development of chronic kidney disease (CKD) has important clinical implications for managing patients with both thyroid and kidney dysfunction. In this review, our purpose was to provide a thorough comprehension of the interplay between thyroid hormones, thyroid dysfunctions, and CKD. While there is evidence linking thyroid hormone levels to renal diseases, the association between thyroid hormones, specifically within the normal range, and the risk of CKD incidence is still a subject of debate. The Google Scholar, PubMed, Scopus, and Web of Science, were searched using the medical subject heading (MeSH) terms for the relevant keywords up to December 2023. CONCLUSION Based on the review, the development of CKD is more consistently associated with higher serum TSH and thereafter lower serum free T3 levels; however, its association with free T4 is more controversial. Furthermore, subclinical and overt hypothyroidisms were considerably associated with incident CKD. Hyperthyroidism and Hashimoto thyroiditis might increase the risk of CKD.
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Affiliation(s)
- Sadaf Agahi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, P.O. Box: 19395-4763, Tehran, I. R. of Iran
| | - Atieh Amouzegar
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, P.O. Box: 19395-4763, Tehran, I. R. of Iran
| | - Mohammadjavad Honarvar
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, P.O. Box: 19395-4763, Tehran, I. R. of Iran
| | - Fereidoun Azizi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, P.O. Box: 19395-4763, Tehran, I. R. of Iran
| | - Ladan Mehran
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, P.O. Box: 19395-4763, Tehran, I. R. of Iran.
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Yang B, Zhou W, Cui L, Tian L, Ni Y, Yang M, Yang Y. The predictive value of free thyroxine combined with tubular atrophy/interstitial fibrosis for poor prognosis in patients with IgA nephropathy. Front Endocrinol (Lausanne) 2024; 15:1372824. [PMID: 38808109 PMCID: PMC11130362 DOI: 10.3389/fendo.2024.1372824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 04/29/2024] [Indexed: 05/30/2024] Open
Abstract
Background IgA nephropathy (IgAN), the most common type of glomerulonephritis, has great individual differences in prognosis. Many studies showed the relationship between thyroid hormones and chronic kidney disease. However, the relationship between free thyroxine (FT4), as a thyroid hormone, and IgAN is still unclear. This study aimed to evaluate the impact of FT4 on IgAN prognosis. Methods This retrospective study involved 223 patients with biopsy-proven IgAN. The renal composite outcomes were defined as: (1) ESRD, defined as eGFR < 15 ml/(min·1.73 m2) or initiation of renal replacement therapy (hemodialysis, peritoneal dialysis, renal transplantation); (2) serum creatinine doubled from baseline; (3) eGFR decreased by more than 50% from baseline. The predictive value was determined by the area under the curve (AUC). Kaplan-Meier and Cox proportional hazards analyses assessed renal progression and prognosis. Results After 38 (26-54) months of follow-up, 23 patients (10.3%) experienced renal composite outcomes. Kaplan-Meier survival curve analysis showed that the renal survival rate of the IgAN patients with FT4<15.18pmol/L was lower than that with FT4≥15.18pmol/L (P < 0. 001). Multivariate Cox regression model analysis showed that FT4 was a protective factor for poor prognosis of IgAN patients, whether as a continuous variable or a categorical variable (HR 0.68, 95%CI 0.51-0.90, P =0.007; HR 0.04, 95%CI 0.01-0.20, P <0.001). ROC curve analysis showed that FT4 combined with t score had a high predictive value for poor prognosis of IgAN patients (AUC=0.881, P<0.001). Conclusion FT4 was a protective factor for IgAN. In addition, FT4 combined with tubular atrophy/interstitial fibrosis had a high predictive value for poor prognosis of IgAN.
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Affiliation(s)
- Bixia Yang
- Department of Nephrology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Wen Zhou
- Department of Nephrology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Liqin Cui
- Department of Nephrology, The Third Affiliated Hospital of Soochow University, Changzhou, China
- Changzhou Medical Center, Nanjing Medical University, Changzhou, China
| | - Li Tian
- Department of Nephrology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Yanhong Ni
- Department of Nephrology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Min Yang
- Department of Nephrology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Yan Yang
- Department of Nephrology, The Third Affiliated Hospital of Soochow University, Changzhou, China
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Dell’Aquila M, Rossi CS, Caldonazo T, Cancelli G, Harik L, Soletti GJ, An KR, Leith J, Kirov H, Ibrahim M, Demetres M, Dimagli A, Rahouma M, Gaudino M. Subclinical hypothyroidism and clinical outcomes after cardiac surgery: A systematic review and meta-analysis. JTCVS OPEN 2024; 18:64-79. [PMID: 38690432 PMCID: PMC11056480 DOI: 10.1016/j.xjon.2024.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/26/2024] [Accepted: 02/13/2024] [Indexed: 05/02/2024]
Abstract
Background Subclinical hypothyroidism (SCH) is associated with major adverse cardiovascular events. Despite the recognized negative impact of SCH on cardiovascular health, research on cardiac postoperative outcomes with SCH has yielded conflicting results, and patients are not currently treated for SCH before cardiac surgery procedures. Methods We performed a study-level meta-analysis on the impact of SCH on patients undergoing nonurgent cardiac surgery, including coronary artery bypass grafting and valve and aortic surgery. The primary outcome was operative mortality. Secondary outcomes were hospital length of stay (LOS), intensive care unit (ICU) stay, postoperative atrial fibrillation (POAF), intra-aortic balloon pump (IABP) use, renal complications, and long-term all-cause mortality. Results Seven observational studies, with a total of 3445 patients, including 851 [24.7%] diagnosed with SCH and 2594 [75.3%] euthyroid patients) were identified. Compared to euthyroid patients, the patients with SCH had higher rates of operative mortality (odds ratio [OR], 2.57; 95% confidence interval [CI], 1.09-6.04; P = .03), prolonged hospital LOS (standardized mean difference, 0.32; 95% CI, 0.02-0.62; P = .04), a higher rate of renal complications (OR, 2.53; 95% CI, 1.74-3.69; P < .0001), but no significant differences in ICU stay, POAF, or IABP use. At mean follow-up of 49.3 months, the presence of SCH was associated with a higher rate of all-cause mortality (incidence rate ratio, 1.82; 95% CI, 1.18-2.83; P = .02). Conclusions Patients with SCH have higher operative mortality, prolonged hospital LOS, and increased renal complications after cardiac surgery. Achieving and maintaining a euthyroid state prior to and after cardiac surgery procedures might improve outcomes in these patients.
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Affiliation(s)
| | - Camilla S. Rossi
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY
| | - Tulio Caldonazo
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY
- Department of Cardiothoracic Surgery, Friedrich Schiller University, Jena, Germany
| | - Gianmarco Cancelli
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY
| | - Lamia Harik
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY
| | | | - Kevin R. An
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY
- Division of Cardiac Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Jordan Leith
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY
| | - Hristo Kirov
- Department of Cardiothoracic Surgery, Friedrich Schiller University, Jena, Germany
| | - Mudathir Ibrahim
- Department of General Surgery, Maimonides Medical Center, Brooklyn, NY
| | - Michelle Demetres
- Samuel J. Wood Library & CV Starr Biomedical Information Center, Weill Cornell Medicine, New York, NY
| | - Arnaldo Dimagli
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY
| | - Mohamed Rahouma
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY
| | - Mario Gaudino
- Department of Cardiothoracic Surgery, Weill Cornell Medicine, New York, NY
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Di Bonito P, Corica D, Marzuillo P, Di Sessa A, Licenziati MR, Faienza MF, Calcaterra V, Franco F, Maltoni G, Valerio G, Wasniewska M. Sensitivity to Thyroid Hormones and Reduced Glomerular Filtration in Children and Adolescents with Overweight or Obesity. Horm Res Paediatr 2023; 97:383-387. [PMID: 37812927 PMCID: PMC11251643 DOI: 10.1159/000534472] [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: 07/28/2023] [Accepted: 09/30/2023] [Indexed: 10/11/2023] Open
Abstract
BACKGROUND Reduced central sensitivity to thyroid hormones (THs) has been observed in euthyroid adults with reduced renal function. This topic is unexplored in young people with overweight or obesity (OW/OB). OBJECTIVE The aim of this study was to evaluate the association between sensitivity to TH and mild reduced estimated glomerular filtration rate (MReGFR) in euthyroid children and adolescents with OW/OB. METHODS Data of 788 euthyroid children and adolescents with OW/OB (aged 6-16 years), recruited from seven Italian centers for the care of OW/OB, were evaluated. Peripheral sensitivity to TH was estimated through the FT3/FT4 ratio, while central sensitivity was assessed by estimating TSH index (TSHI), thyrotroph T4 resistance index, thyroid feedback quantile-based index (TFQI), parametric thyroid feedback quantile-based index (PTFQI). MReGFR was defined by an eGFR value ≥60 and <90 mL/min/1.73 m2. RESULTS Subjects with MReGFR had significantly lower levels of FT3/FT4 ratio (0.43 ± 0.09 vs. 0.44 ± 0.10; p = 0.028) and higher levels of TSH (2.89 ± 1.00 vs. 2.68 ± 0.99; p = 0.019), TSHI (2.95 ± 0.45 vs. 2.85 ± 0.55; p = 0.031), TFQI [1.00 (0.98-1.00) versus 1.00 (0.97-1.00); p = 0.046], and PTFQI (0.66 ± 0.17 vs. 0.60 ± 0.23; p = 0.006) compared with individuals with normal eGFR. Odds ratio of MReGFR raised of 1.2-3.2-fold for each increase of 1 mIU/L in TSH, 1 unit in TSHI, and PTFQI, but not for FT3/FT4 ratio. CONCLUSION MReGFR is associated with reduced indices of central sensitivity to TH in euthyroid children and adolescents with OW/OB. This preliminary observation should be confirmed in prospective studies.
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Affiliation(s)
- Procolo Di Bonito
- Department of Internal Medicine, “S. Maria delle Grazie” Hospital, Pozzuoli, Italy
| | - Domenico Corica
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy
| | - Pierluigi Marzuillo
- Department of Woman, Child and of General and Specialized Surgery, University of Campania “Luigi Vanvitelli,” Napoli, Italy
| | - Anna Di Sessa
- Department of Woman, Child and of General and Specialized Surgery, University of Campania “Luigi Vanvitelli,” Napoli, Italy
| | - Maria Rosaria Licenziati
- Neuro-Endocrine Diseases and Obesity Unit, Department of Neurosciences, Santobono-Pausilipon Children’s Hospital, Napoli, Italy
| | - Maria Felicia Faienza
- Department of Precision and Regenerative Medicine and Ionian Area, University of Bari “Aldo Moro,” Bari, Italy
| | - Valeria Calcaterra
- Pediatric Department, Buzzi Children’s Hospital, Milan, Italy
- Department of Internal Medicine, University of Pavia, Pavia, Italy
| | - Francesca Franco
- Pediatric Department, Azienda Sanitaria Universitaria Friuli Centrale, Hospital of Udine, Udine, Italy
| | - Giulio Maltoni
- Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Giuliana Valerio
- Department of Movement Sciences and Wellbeing, University of Napoli “Parthenope,” Napoli, Italy
| | - Malgorzata Wasniewska
- Department of Human Pathology of Adulthood and Childhood, University of Messina, Messina, Italy
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Spahia N, Rroji M, Barbullushi M, Spasovski G. Subclinical Hypothyroidism, Kidney, and Heart from Normal to Uremic Milieu. Metab Syndr Relat Disord 2023; 21:415-425. [PMID: 37433213 DOI: 10.1089/met.2023.0057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2023] Open
Abstract
Thyroid hormone (TH) imbalances, particularly subclinical hypothyroidism (SCHT), are associated with chronic kidney disease (CKD) and end-stage kidney disease (ESKD). SCHT is more prevalent in CKD and ESKD patients than in the general population, and this condition increases the risk of cardiovascular disease (CVD) morbidity and mortality. The risk of CVD is higher in CKD and ESKD patients compared with the general population. Traditional and nontraditional risk factors, including TH abnormalities, contribute to the high CVD burden in CKD and ESKD patients. The review discusses the link between CKD and hypothyroidism, with a focus on SCHT, and the mechanisms that lead to CVD burden.
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Affiliation(s)
- Nereida Spahia
- Department of Nephrology, University Hospital Center "Mother Teresa," Tirana, Albania
| | - Merita Rroji
- Department of Nephrology, University Hospital Center "Mother Teresa," Tirana, Albania
| | - Myftar Barbullushi
- Department of Nephrology, University Hospital Center "Mother Teresa," Tirana, Albania
| | - Goce Spasovski
- Department of Nephrology, Medical Faculty, University Sts. Cyril and Methodius, Skopje, North Macedonia
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Batman A, Canat M, Saygili E, Besler E, Yildiz D, Ozturk FY, Altuntas Y. RISK FACTORS FOR ACUTE KIDNEY INJURY ASSOCIATED WITH SEVERE HYPOTHYROIDISM. ACTA ENDOCRINOLOGICA (BUCHAREST, ROMANIA : 2005) 2023; 19:456-462. [PMID: 38933242 PMCID: PMC11197830 DOI: 10.4183/aeb.2023.456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Objective This study aims to investigate the factors affecting development of acute kidney injury (AKI) in patients with severe hypothyroidism. Methods This retrospective observational study involved patients with primary hypothyroidism and thyroid stimulating hormone (TSH) levels of more than 50 mIU/L at their review in the endocrinology outpatient clinic, between January 2015 and April 2021. Factors affecting the development of AKI were examined by logistic regression analysis. Results A total of 100 patients, 20 (11 male (M), 9 female (F)) in the AKI (case) group and 80 (23 M, 57 F) patients in control group, were included in our study. The median age of the case group (56 years, interquartile range (IQR) 44.3-68.5) was significantly higher than the control group (49 years, IQR 32.3-60; p = 0.027), and the ratio of males to females was significantly higher in the case group (p = 0.001). Multivariate logistic regression analyses showed that hypothyroidism diagnosed after the age of 60 years (odds ratio (OR) 59.674, 95% confidence intervals (CI) 5.955-598.031; p = 0.001), free triiodothyronine (FT3) < 1.3 pg/mL (OR 17.151, 95% CI 2.491-118.089; p = 0.004) and creatine kinase (CK) > 1000 U/L (OR 1.522, 95% CI 1.602-82.848; p = 0.015) were predictors for the development of AKI in patients with severe hypothyroidism. Conclusion We recommend close follow-up and monitoring of patients with AKI caused by severe hypothyroidism if patients who are diagnosed at age > 60 years, CK > 1000 U/L or FT3 < 1.3 pg/mL.
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Affiliation(s)
- A. Batman
- Koc University Hospital - Endocrinology and Metabolism, Yeni Sanayi Mah, Tacin Cd., 68200 Aksaray Merkez/Aksaray, Turkey
| | - M.M. Canat
- University of Health Sciences Turkey, Sariyer Etfal Training and Research Hospital - Department of Endocrinology and Metabolism, Istanbul
| | - E.S. Saygili
- Çanakkale Onsekiz Mart University, Health Practice and Research Hospital, Canakkale
| | - E. Besler
- University of Health Sciences, Sariyer Etfal Training and Research Hospital - Department of Internal Medicine, Istanbul
| | - D. Yildiz
- Siirt Training and Research Hospital - Department of Endocrinology and Metabolism, Siirt, Turkey
| | - F. Yener Ozturk
- University of Health Sciences, Sariyer Etfal Training and Research Hospital - Department of Internal Medicine, Istanbul
| | - Y. Altuntas
- University of Health Sciences, Sariyer Etfal Training and Research Hospital - Department of Internal Medicine, Istanbul
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Kim HJ, Park SJ, Park HK, Byun DW, Suh K, Yoo MH. Subclinical thyroid dysfunction and chronic kidney disease: a nationwide population-based study. BMC Nephrol 2023; 24:64. [PMID: 36949396 PMCID: PMC10031940 DOI: 10.1186/s12882-023-03111-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 03/07/2023] [Indexed: 03/24/2023] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) has a significant impact on global health. Studies have shown that subclinical thyroid dysfunction may be related to CKD, but the association between subclinical thyroid dysfunction and CKD in the general population is unclear. We aimed to evaluate the risk of CKD according to thyroid function status in a large cohort. METHODS We analyzed data from a nationwide, population-based, cross-sectional survey (KNHANES VI). A total of 3,257 participants aged ≥ 19 years who underwent thyroid and kidney function assessments were included in this study. CKD was defined as an estimated glomerular filtration rate < 60 mL/min/1.73 m2 and/or urine albumin-creatinine ratio ≥ 30 mg/g. The risk of CKD according to thyroid function status was assessed using logistic regression, adjusted for potential confounders. RESULTS Overall, 6.7% of the participants had CKD. There were no significant differences in thyroid-stimulating hormone and free thyroxine levels between the groups with and without CKD. The proportion of participants with CKD was significantly different among the thyroid function status groups (p = 0.012) and tended to increase significantly in the following order: subclinical hyperthyroidism (1.5%), euthyroidism (6.6%), and subclinical hypothyroidism (12.6%) (p for trend < 0.001). Subclinical hypothyroidism was a significant risk factor for CKD, even after adjusting for sex, age, household income, education, smoking, alcohol consumption, walking activity, abdominal obesity, hypertension, low high-density lipoprotein cholesterol, elevated triglycerides, hyperglycemia, free thyroxine, and thyroid-peroxidase anibody (odds ratio 2.161, 95% confidence interval 1.032-4.527, p = 0.041). CONCLUSION Subclinical hypothyroidism is an independent predictor of CKD in the general population.
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Affiliation(s)
- Hye Jeong Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, Republic of Korea.
| | - Sang Joon Park
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, Republic of Korea
| | - Hyeong Kyu Park
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, Republic of Korea
| | - Dong Won Byun
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, Republic of Korea
| | - Kyoil Suh
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, Republic of Korea
| | - Myung Hi Yoo
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, 59 Daesagwan-ro, Yongsan-gu, Seoul, 04401, Republic of Korea
- Elim Thyroid Clinic, Seoul, Korea
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Significance of thyroid dysfunction in the patients with primary membranous nephropathy. BMC Nephrol 2022; 23:398. [PMID: 36496400 PMCID: PMC9737752 DOI: 10.1186/s12882-022-03023-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 11/28/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Thyroid dysfunction is common in patients with nephrotic syndrome, especially patients with primary membranous nephropathy (pMN). In view of both MN and thyroid dysfunction are associated with autoimmunity, the current study aimed to elucidate the significance of thyroid dysfunction in patients with pMN. METHODS Four hundred and twenty patients with biopsy-proven pMN from 2018-2021 were retrospectively enrolled. Clinical and pathological parameters, and treatment response of patients with and without thyroid dysfunction were analyzed. RESULTS Ninety-one (21.7%) patients with pMN suffered from thyroid dysfunction, among which subclinical hypothyroidism (52.7%) was the main disorder. Compared to patients with normal thyroid function, patients with thyroid dysfunction presented with a higher level of proteinuria, a lower level of serum albumin, a higher level of serum creatinine and more severe tubulointerstitial injury at the time of biopsy. But the positive rate and level of circulating anti-phospholipase A2 receptor (PLA2R) antibody were comparable between these two groups. Though following the similar treatment, the percentage of no response to treatment were significantly higher in the patients with thyroid dysfunction (38.6 vs. 20.0%, P = 0.003). Similar to the urinary protein and the positivity of anti-PLA2R antibody, multivariate COX analysis showed thyroid dysfunction was also identified as an independent risk factor for the failure to remission (HR = 1.91, 95%CI, 1.07-3.40, P = 0.029). CONCLUSION In conclusion, thyroid dysfunction is common in the patients with pMN and might predict a severe clinical manifestation and a poor clinical outcome, which indicated that the thyroid dysfunction might be involved in the disease progression of pMN.
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Kidney disease and thyroid dysfunction: the chicken or egg problem. Pediatr Nephrol 2022; 37:3031-3042. [PMID: 35737115 DOI: 10.1007/s00467-022-05640-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/04/2022] [Accepted: 05/19/2022] [Indexed: 01/10/2023]
Abstract
Patients with non-dialysis-dependant chronic kidney disease (NDD-CKD) and dialysis-dependant chronic kidney disease (DD-CKD) frequently also suffer from thyroid disorders, especially hypothyroidism which is found two to five times more often among them compared to the general population. Emerging research has illustrated the potential prognostic implications of this association as NDD-CKD and DD-CKD patients with hypothyroidism have been shown to have higher mortality rates, and treatment of subclinical hypothyroidism in NDD-CKD patients has been reported to attenuate the decline of glomerular filtration rate over time. This review illustrates the bidirectional, multi-layered interplay between the kidneys and the thyroid gland explaining how pathologies in one organ will affect the other and vice versa. Additionally, it outlines the impact of thyroid disorders on routine parameters of kidney function (especially serum creatinine and serum cystatin C) that nephrologists should be aware of in their clinical practice. Lastly, it summarizes the emerging evidence from clinical studies on how treatment of subclinical hypothyroidism in NDD-CKD and DD-CKD patients may potentially have beneficial effects on kidney function as well as mortality. While most of the research in this area has been performed on adult patients, we specifically discuss what is currently known about thyroid dysfunctions in paediatric CKD patients as well and provide management suggestions. The evidence accumulated so far clearly indicates that further, prospective studies with meticulous methodology are warranted to refine our understanding of thyroid disorders in paediatric and adult CKD patients and establish optimal treatment pathways.
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Matsuoka-Uchiyama N, Tsuji K, Sang Y, Takahashi K, Fukushima K, Takeuchi H, Inagaki K, Uchida HA, Kitamura S, Sugiyama H, Wada J. The association between hypothyroidism and proteinuria in patients with chronic kidney disease: a cross-sectional study. Sci Rep 2022; 12:14999. [PMID: 36056164 PMCID: PMC9440240 DOI: 10.1038/s41598-022-19226-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 08/25/2022] [Indexed: 12/27/2022] Open
Abstract
Hypothyroidism is known to be correlated with kidney function and nephrotic range proteinuria. However, it is uncertain whether non-nephrotic proteinuria is associated with hypothyroidism. This study aimed to evaluate the association of proteinuria and hypothyroidism in chronic kidney disease (CKD) patients. We conducted a cross-sectional study composed of 421 CKD patients in a single hospital with measurements of 24-h urine protein excretion (UP) and thyroid function tests. Spearman correlation analysis revealed that 24-h Cr clearance (24hrCcr) was positively (r = 0.273, p < 0.001) and UP was negatively (r = - 0.207, p < 0.001) correlated with free triiodothyronine. Frequency distribution analysis stratified by CKD stage and UP for hypothyroidism revealed that the prevalence of hypothyroidism was higher among participants with higher CKD stage and nephrotic range proteinuria. Multivariate logistic regression analysis revealed that 24hrCcr and UP were significantly correlated with hypothyroidism (24hrCcr/10 mL/min decrease: odds ratio [OR], 1.29; 95% confidence interval [CI], 1.18-1.41; UP/1 g increase: OR, 1.10; 95% CI, 1.03-1.17). In addition, nephrotic range proteinuria, but not moderate UP (UP: 1.5-3.49 g/day), was significantly correlated with hypothyroidism compared to UP < 0.5 g/day. In summary, decreased kidney function and nephrotic range proteinuria, not non-nephrotic proteinuria, are independently associated with the hypothyroidism.
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Affiliation(s)
- Natsumi Matsuoka-Uchiyama
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan
| | - Kenji Tsuji
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan.
| | - Yizhen Sang
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan
| | - Kensaku Takahashi
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan
| | - Kazuhiko Fukushima
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan
| | - Hidemi Takeuchi
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan
| | - Kenichi Inagaki
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan
| | - Haruhito A Uchida
- Department of Chronic Kidney Disease and Cardiovascular Disease, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Shinji Kitamura
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan
| | - Hitoshi Sugiyama
- Department of Human Resource Development of Dialysis Therapy for Kidney Disease, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Jun Wada
- Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan
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Li S, Alsaiqali M, Narayanaswamy M, McFarlane I. The Vicious Cycle of Hypothyroidism and Severe Proteinuria: A Case Report. Cureus 2022; 14:e28674. [PMID: 36199658 PMCID: PMC9526517 DOI: 10.7759/cureus.28674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2022] [Indexed: 11/05/2022] Open
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12
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Zhang L, Wu Y, Nie Y, Lv W, Li Y, Zhu B, Jin S, Shen Z, Li F, Liu H, Fang Y, Ding X. The serum free triiodothyronine to free thyroxine ratio as a potential prognostic biomarker of chronic kidney disease in patients with glomerular crescents: A retrospective study. Front Endocrinol (Lausanne) 2022; 13:977355. [PMID: 36246924 PMCID: PMC9556952 DOI: 10.3389/fendo.2022.977355] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 09/12/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Crescent formation indicates severe glomerular pathology, and hypothyroidism usually predicts poor prognosis for severe diseases. However, the relationship between thyroid function and the progression of chronic kidney disease (CKD) is unclear. This study analysed the prognostic predictive value of the serum free triiodothyronine (FT3) to free thyroxine (FT4) ratio and its correlation with renal function in patients with CKD with crescent formation. METHODS This single-centre study included 162 CKD patients with glomerular crescents confirmed by renal pathology between March 2012 and December 2014. According to the first tertile (0.284) of FT3/FT4 ratio, the patients were divided into high and low FT3/FT4 ratio groups. Kaplan-Meier and Cox regression analyses were performed to evaluate the prognostic value of the FT3/FT4 ratio. RESULTS The age, haemoglobin, eGFR, urinary albumin-to-creatinine ratio, cardiac troponin T, N-terminal brain natriuretic peptide precursor, FT3, FT4, percentage of total crescents in non-globally sclerotic glomeruli, prevalences of hypertension, moderate to severe renal tubulopathy and crescentic nephritis, and proportion of patients receiving glucocorticoids and immunosuppressants were significantly different between high and low FT3/FT4 ratio groups (P < 0.05). Multivariate Cox regression analysis showed that when compared with patients with a high FT3/FT4 ratio (>0.284), those with intermediate and low FT3/FT4 ratios (≤0.284) had an increased risk of the long-term composite endpoint (P < 0.05 for various adjustment models). CONCLUSIONS A low FT3/FT4 ratio is associated with increased mortality and worse outcome risk in CKD patients with crescent pathology.
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Affiliation(s)
- Liwen Zhang
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuxiao Wu
- Department of Internal Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuxin Nie
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Wenlv Lv
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yang Li
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Bowen Zhu
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Shi Jin
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ziyan Shen
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Fang Li
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hong Liu
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yi Fang
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
- *Correspondence: Yi Fang, ; Xiaoqiang Ding,
| | - Xiaoqiang Ding
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Institute of Kidney and Dialysis, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Medical Center of Kidney, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Kidney and Blood Purification, Zhongshan Hospital, Fudan University, Shanghai, China
- *Correspondence: Yi Fang, ; Xiaoqiang Ding,
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Yang S, Lai S, Wang Z, Liu A, Wang W, Guan H. Thyroid Feedback Quantile-based Index correlates strongly to renal function in euthyroid individuals. Ann Med 2021; 53:1945-1955. [PMID: 34726096 PMCID: PMC8567884 DOI: 10.1080/07853890.2021.1993324] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 10/08/2021] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Previous studies have reported a negative relationship between thyroid-stimulating hormone (TSH) and renal function in euthyroid individuals, but others have found that higher free thyroxine (FT4) was associated with an increased risk of chronic kidney disease. This study was designed to analyze the relationship between thyroid and renal function from a new perspective of sensitivity to thyroid hormone. METHODS This retrospective study included 2831 euthyroid individuals who underwent a health examination at the First Hospital of China Medical University between January 2017 and December 2018. Parametric Thyroid Feedback Quantile-based Index (PTFQIFT4), TSH index (TSHI), thyrotroph T4 resistance index (TT4RI), free triiodothyronine to FT4 ratio (FT3/FT4), the secretory capacity of the thyroid gland (SPINA-GT) and the sum activity of peripheral deiodinases (SPINA-GD) were calculated. We also innovated the TT3RI and PTFQIFT3 indices based on FT3 and TSH. Renal function was assessed by estimated glomerular filtration rate (eGFR) CKD-EPI and creatinine-cystatin C-KDIGO equations. RESULTS After adjustment of basic characteristics and comorbidities, linear regression showed that eGFR CKD-EPI was positively associated with FT3/FT4 (β = 23.31), and inversely correlated to PTFQI FT4 (β= -2.69) (both p < .001). When comparing the fourth versus the first quartile of PTFQI FT4, the odds ratio (OR) for a reduced renal function was 1.89 (95% CI 1.28-2.80), and the OR was 0.64 (95% CI 0.43-0.95) when comparing quartiles of FT3/FT4 (both pfor trend< .05). In addition, for every 1SD increase in PTFQI FT4, the OR for a reduced renal function was 1.27 (95%CI 1.10-1.47). TSHI, TT4RI and TT3RI also showed a negative correlation to renal function. Similar results were obtained in SPINA-GD as in FT3/FT4. CONCLUSIONS In euthyroid individuals, decreased sensitivity to thyroid hormone is associated with reduced renal function. The composite PTFQIFT4 index correlates more strongly to renal function than TSH or T4 alone.KEY MESSAGESDecreased sensitivity to thyroid hormone is associated with reduced renal function in the euthyroid population.The recently developed composite index PTFQIFT4 seems to correlate more strongly to renal function than individual TSH or FT4 parameters.Innovative indices TT3RI and PTFQIFT3 based on the interaction between T3 and TSH may also reflect sensitivity to thyroid hormone.
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Affiliation(s)
- Sijue Yang
- Department of Endocrinology and Metabolism, Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Diseases, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, P.R. China†
| | - Shuiqing Lai
- Department of Endocrinology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, P.R. China
| | - Zixiao Wang
- Department of Physical Examination Center, The First Hospital of China Medical University, Shenyang, Liaoning, P.R. China
| | - Aihua Liu
- Department of Endocrinology and Metabolism, Peking University Third Hospital, Beijing, P.R. China
| | - Wei Wang
- Department of Physical Examination Center, The First Hospital of China Medical University, Shenyang, Liaoning, P.R. China
| | - Haixia Guan
- Department of Endocrinology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, P.R. China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, P.R. China
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Shimizu Y, Nabeshima-Kimura Y, Kawashiri SY, Noguchi Y, Minami S, Nagata Y, Maeda T, Hayashida N. Association between thyroid-stimulating hormone (TSH) and proteinuria in relation to thyroid cyst in a euthyroid general population. J Physiol Anthropol 2021; 40:15. [PMID: 34627373 PMCID: PMC8502342 DOI: 10.1186/s40101-021-00264-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 09/25/2021] [Indexed: 11/10/2022] Open
Abstract
Background High normal levels of thyroid-stimulating hormone (TSH) have been reported to be associated with chronic kidney disease (CKD) among euthyroid individuals. However, there has been only limited research on the association between TSH and proteinuria, a major risk factor for the progression of renal disease. Methods A cross-sectional study of 1595 euthyroid individuals was conducted. All participants were within the normal range for free triiodothyronine (T3), free thyroxine (T4), and TSH. Analyses were stratified by thyroid cyst status to test the hypothesis that the absence of thyroid cysts, an indicator of latent thyroid damage, is associated with declining ability to synthesis thyroid hormone. Results For participants with thyroid cysts, a significant inverse association between TSH and proteinuria was observed (adjusted odds ratio (95% confidence intervals) of log-transformed TSH for proteinuria 0.40 (0.18, 0.89)). In participants without thyroid cysts, a significant positive association between those two factors was observed (2.06 (1.09, 3.90)). Conclusions Among euthyroid individuals in the general population, being in the normal range of TSH was found to have an ambivalent association with proteinuria. Thyroid cyst status could be an effect modifier for those associations.
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Affiliation(s)
- Yuji Shimizu
- Department of General Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan. .,Department of Cardiovascular Disease Prevention, Osaka Center for Cancer and Cardiovascular Diseases Prevention, Osaka, Japan. .,Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki-shi, Sakamoto 1-12-4, Nagasaki, 852-8523, Japan.
| | - Yuko Nabeshima-Kimura
- Department of Radiation Health Management, Fukushima Medical University, Fukushima, Japan
| | - Shin-Ya Kawashiri
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki-shi, Sakamoto 1-12-4, Nagasaki, 852-8523, Japan
| | - Yuko Noguchi
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki-shi, Sakamoto 1-12-4, Nagasaki, 852-8523, Japan
| | - Shigeki Minami
- Department of Breast and Endocrine Surgery, Nagasaki Harbor Medical Center, Nagasaki, Japan
| | - Yasuhiro Nagata
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki-shi, Sakamoto 1-12-4, Nagasaki, 852-8523, Japan
| | - Takahiro Maeda
- Department of General Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Naomi Hayashida
- Division of Promotion of Collaborative Research on Radiation and Environment Health Effects, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
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Povidone Iodine Disinfection Associated with Hypothyroidism and Potentially Contributing to Prolonged Kidney Failure. Case Rep Crit Care 2021; 2021:5528210. [PMID: 34258074 PMCID: PMC8253621 DOI: 10.1155/2021/5528210] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/22/2021] [Indexed: 11/21/2022] Open
Abstract
Objectives To report a case of povidone-iodine (PVP-I, Iso-Betadine®) disinfection of lower leg fasciotomy wounds resulting in iodide absorption and possibly contributing to hypothyroidism and prolonged kidney injury. Design Case report. Setting. Pediatric intensive care unit (PICU), university hospital. Patients. A 13-year-old patient presenting with prolonged oligoanuric kidney failure and unexplained primary hypothyroidism three weeks after severe abdominal sepsis with multiple organ dysfunction and major rhabdomyolysis due to bilateral lower leg compartment syndrome, necessitating moderate size fasciotomies, disinfected daily with PVP-I. Interventions. Interruption of PVP-I exposure and initiation of thyroid hormone substitution. Measurements and Main Results. Hypothyroidism was revealed during diagnostic work-up for persistent hypertriglyceridemia. Thyroxine (T4) (4.0 mg/L) and tri-iodothyronine (T3) (64 ng/L) were moderately low, yet thyroid stimulating hormone (TSH) (16.8 mIU/L) was fourfold the maximal normal range value. This pattern, atypical for prolonged critical illness-related hypothyroidism, prompted interruption of PVP-I exposure and initiation of thyroid hormone substitution. Urinary production and creatinine clearance recovered during the following days, and one week later, intermittent renal replacement therapy could be terminated, suggesting that PVP-I toxicity and/or hypothyroidism may have contributed to the persistent renal failure three weeks after resolved septic shock and rhabdomyolysis. Elevated serum and urinary anion gap normalized simultaneously, but this evolution of rather nonspecific indices could be multifactorial. Conclusion PVP-I is a commonly used broad-spectrum antimicrobial agent for prevention and treatment of wound infections. Toxic complications due to PVP-I absorption, after disinfection of extended thermal injuries larger than 20% of the body surface, have been described. In critically ill children, however, toxic effects of PVP-I may occur due to repeated disinfection of less extended wounds. Proposed screening strategies include: monitoring of the volumes of PVP-I applied daily; of the thyroid function, the serum, and/or urinary anion gap and the urinary iodide concentrations. These strategies, however, remain to be validated. This case report should be a wake-up call for daily integration of wound management in the clinical evaluation of critically ill patients.
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Gondil VS, Chandrasekaran A, Rastogi A, Yadav AK, Sood A, Ramachandran R, Kumar V, Rathi M, Kohli HS, Jha V, Gupta KL. Proteinuria in Severe Hypothyroidism: A Prospective Study. J Clin Endocrinol Metab 2021; 106:e749-e756. [PMID: 33245744 DOI: 10.1210/clinem/dgaa871] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Indexed: 11/19/2022]
Abstract
CONTEXT Hypothyroidism is associated with reversible decline in kidney function as measured by estimated glomerular filtration rate (eGFR). eGFR and proteinuria are the most important markers for clinical assessment of kidney function. Though hypothyroidism is associated with proteinuria in cross-sectional data, the impact of treatment on proteinuria is unknown. OBJECTIVE This study explores the effect of thyroid hormone replacement therapy on eGFR and 24-hour urine protein excretion in patients with severe primary hypothyroidism. DESIGN AND PARTICIPANTS This study was a prospective, observational cohort study in adults with severe primary hypothyroidism (serum thyrotropin [TSH] > 50 µIU/mL). Individuals with preexisting or past kidney disease, kidney or urinary tract abnormalities, calculi or surgery, diabetes mellitus, or hypertension were excluded. The participants received thyroid hormone replacement therapy. Thyroid functions, eGFR, 24-hour urine protein excretion, and biochemical parameters were measured at baseline and 3 months. SETTING This study took place at a single center, a tertiary care referral and teaching hospital. RESULTS Of 44 enrolled participants, 43 completed 3 months of follow-up. At 3 months, serum TSH levels decreased and thyroxine levels increased (P < .001 for both). Significant increases in eGFR (mean difference, 18.25 ± 19.49 mL/min/1.73 m2; 95% CI, 12.25 to 24.25, P < .001) and declines in 24-hour urine protein excretion (mean difference, -68.39 ± 125.89 mg/day; 95% CI, -107.14 to -29.65, P = .001) were observed. Serum cholesterol and low-density lipoprotein levels also significantly decreased (P < .001). CONCLUSIONS Thyroid hormone replacement therapy in patients with severe primary hypothyroidism improves eGFR and decreases 24-hour urine protein excretion, thereby suggesting reversible alterations.
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Affiliation(s)
- Vijay Singh Gondil
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Aarthi Chandrasekaran
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ashu Rastogi
- Department of Endocrinology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ashok Kumar Yadav
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ashwani Sood
- Department of Nuclear Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Raja Ramachandran
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Vivek Kumar
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Manish Rathi
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Harbir Singh Kohli
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Vivekanand Jha
- George Institute for Global Health, Delhi, India
- University of New South Wales, Sydney, Australia
- Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Krishan Lal Gupta
- Department of Nephrology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Blackaller GN, Chávez-Iñiguez JS, Carreón-Bautista EE, González-Torres FJ, Villareal-Contreras M, Barrientos Avalos JR, Aguilera PM, Rosales FR, José Antonio TM, Gómez Fregoso JA, Michel Gonzalez JI, García-García G. A Pilot Trial on the Effect of Levothyroxine on Proteinuria in Patients With Advanced CKD. Kidney Int Rep 2021; 6:110-119. [PMID: 33426390 PMCID: PMC7783574 DOI: 10.1016/j.ekir.2020.10.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 10/14/2020] [Accepted: 10/20/2020] [Indexed: 12/31/2022] Open
Abstract
INTRODUCTION Thyroid hormones can directly affect kidney function; elevated levels of thyroid-stimulating hormone (TSH) and chronic kidney disease (CKD) are associated with proteinuria, decreased estimated glomerular filtration rate (eGFR), and progression to end-stage renal disease. Our hypothesis is that in patients with CKD and TSH at levels considered to be in the low subclinical hypothyroidism (SCH) range, lowering TSH with levothyroxine (LVX) improves the clinical parameters of renal function. METHODS This was a double-blind, randomized, pilot clinical trial in patients with proteinuric CKD (eGFR <60 ml/min per 1.73 m2 and proteinuria >150 mg/d) performed at the Hospital Civil de Guadalajara, with the intention of lowering TSH (levels of 1.25-2.5 μIU/l) in patients with TSH (levels of 2.6-9.9 μIU/ml with FT4 in the range of 0.7-1.8 ng/dl). Patients were randomized 1:1 to receive LVX or placebo for 12 weeks. The primary objective was to evaluate absolute levels of proteinuria at the beginning compared to the end of the study and, as a secondary objective, the changes in serum creatinine (sCr), eGFR, cholesterol, triglycerides, low-density lipoprotein (LDL), and blood pressure, and to assess the tolerability and safety of LVX. RESULTS Between March and November 2018, a total of 163 patients were assessed for eligibility; 119 patients did not meet the inclusion criteria or were excluded, and 32 patients were randomized. The demographic and clinical characteristics of the 2 study groups were essentially not different. Subjects were 66.87 (SD 12.19) years of age, 62.5% were female, 75% were diabetes mellitus, eGFR was 23.55 (±12.91) ml/min per 1.73 m2, TSH was 5.37 ± 2.13 μIU/ml, proteinuria in 24-hour urine collection was 1.52 ± 1.12, and all of them were taking angiotensin-converting enzyme inhibitors (ACEIs) or angiotensin II receptor blockers (ARBs). Proteinuria at 12 weeks in the LVX group was 0.89 SD ± 1.28 g/d, and in the placebo group it was 1.35 SD ± 0.85 g/d; when compared to placebo, LVX showed a significant decrease in proteinuria of 1.1 g/d (P = 0.0011). The eGFR in the LVX group showed an improvement of 4 ml/min/1.73 m2 (P = 0.049); in the placebo group, there was a decrease of 1.98 ml/min per 1.73 m2. The sCr, cholesterol, triglycerides, low-density lipoprotein, systolic blood pressure, and diastolic blood pressure were not different between groups. Adverse events were reported in the LVX group in 7.14% of patients and in 11.11% of patients in the placebo group; none left the study because of adverse effects, and there were no serious adverse events. CONCLUSION This single-center, randomized, double-blind, placebo-controlled pilot clinical trial in patients with advanced proteinuric CKD who already used ACEIs or ARBs demonstrated that administering LVX to obtain a TSH range close to 2.5 μIU/ml decreased proteinuria and improved eGFR. Future research is needed to confirm our results and to determine whether our findings generalize to patient groups not explicitly enrolled in this small pilot trial.
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Affiliation(s)
- Guillermo Navarro Blackaller
- Service of Nephrology, Civil Hospital of Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
- University of Guadalajara, University Center of Health Sciences CUCS, Guadalajara, Jalisco, Mexico
| | - Jonathan S. Chávez-Iñiguez
- Service of Nephrology, Civil Hospital of Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
- University of Guadalajara, University Center of Health Sciences CUCS, Guadalajara, Jalisco, Mexico
| | | | | | - Miroslava Villareal-Contreras
- Service of Nephrology, Civil Hospital of Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
- University of Guadalajara, University Center of Health Sciences CUCS, Guadalajara, Jalisco, Mexico
| | - José Roberto Barrientos Avalos
- University of Guadalajara, University Center of Health Sciences CUCS, Guadalajara, Jalisco, Mexico
- Service of Endocrinology, Civil Hospital of Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
| | - Pablo Maggiani Aguilera
- Service of Nephrology, Civil Hospital of Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
- University of Guadalajara, University Center of Health Sciences CUCS, Guadalajara, Jalisco, Mexico
| | - Francisco Romo Rosales
- Service of Nephrology, Civil Hospital of Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
- University of Guadalajara, University Center of Health Sciences CUCS, Guadalajara, Jalisco, Mexico
| | - Torres Mayorga José Antonio
- Service of Nephrology, Civil Hospital of Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
- University of Guadalajara, University Center of Health Sciences CUCS, Guadalajara, Jalisco, Mexico
| | - Juan Alberto Gómez Fregoso
- Service of Nephrology, Civil Hospital of Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
- University of Guadalajara, University Center of Health Sciences CUCS, Guadalajara, Jalisco, Mexico
| | - Jorge Isaac Michel Gonzalez
- Service of Nephrology, Civil Hospital of Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
- University of Guadalajara, University Center of Health Sciences CUCS, Guadalajara, Jalisco, Mexico
| | - Guillermo García-García
- Service of Nephrology, Civil Hospital of Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, Mexico
- University of Guadalajara, University Center of Health Sciences CUCS, Guadalajara, Jalisco, Mexico
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18
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Torkian P, Mansournia MA, Mansournia N. Evaluation of biochemical markers of kidney function in patients with subclinical hypothyroidism in comparison with euthyroid people. J Family Med Prim Care 2020; 9:4234-4239. [PMID: 33110838 PMCID: PMC7586516 DOI: 10.4103/jfmpc.jfmpc_757_20] [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: 03/02/2020] [Revised: 06/21/2020] [Accepted: 07/05/2020] [Indexed: 12/02/2022] Open
Abstract
Background: Subclinical hypothyroidism (SCH) as a compensated or preclinical type of primary and overt hypothyroidism (OHT) can affect approximately 4–10% of the general population. Treating SCH can slowdown the progression to OHT, the formation of cardiovascular diseases, neuropsychiatric symptoms, and other miscellaneous problems. Materials and Methods: The present study is a case-control study that was conducted on 239 adults who were referred to 501 Imam Reza Hospital from March 2019 up to September 2019. Of the 239 patients and their families admitted to the hospital, 121 (50.6%) were euthyroid (as control group) and the remaining participants (118, 49.4%) were SCH (as case group). The serum levels of thyroid stimulating hormone (TSH), urea, uric acid, creatinine, T3, and T4 were asked to be determined at a single laboratory. Biochemical markers of kidney function and the level of thyroid hormones were compared between the two groups of euthyroid and SCH. Results: TSH was significantly higher in SCH (7.25 (4.4-18.15)) compared to euthyroid (1.4 (0.2-3.7)) patients (P < 0.001). Among biochemical markers, creatinine (P < 0.001) and uric acid (P = 0.006) had higher serum levels in the case group. There was no remarkable difference in the thyroxine hormone levels and urea between the euthyroid and SCH patients (P > 0.05). Within the SCH group, there was a significant positive correlation between TSH and the level of creatinine (P = 0.001, r = 0.302). Conclusion: Regular monitoring of the major function of the kidneys in patients with hypothyroidism and SCH can help early diagnosis of kidney dysfunction, thus increasing the chance of restoring normal kidney function.
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Affiliation(s)
- Pooya Torkian
- Metabolic Disease Research Center, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Mohammad Ali Mansournia
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Nasrin Mansournia
- Metabolic Disease Research Center, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
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Karzakova LM, Avtonomova OI, Kudryashov SI, Ukhterova ND, Komelyagina NА. [About connection of clinical manifestations of glomerulonephritis with features of the thyroid status of patients]. ACTA ACUST UNITED AC 2020; 66:13-23. [PMID: 33351344 DOI: 10.14341/probl11825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 04/13/2020] [Accepted: 04/26/2020] [Indexed: 11/06/2022]
Abstract
BACKGROUND There are four clinical variants of glomerulonephritis (GN) - urinary (latent), hypertensive, nephrotic and mixed. It was found that the features of clinical manifestations of GN that determine its clinical variant do not depend on the etiology, pathogenesis and morphological form of the disease. Taking into account the obtained data on the association of nephrotic syndrome with hypofunction of the thyroid gland, we suggested, that the formation of clinical variants of GN may be influenced by the features of the thyroid status of patients. AIM Study the relationship of variants of clinical manifestations of GN with indicants of thyroid status. MATERIALS AND METHODS The study included patients with primary GN who received in-treatment in the nephrology unit of a general hospital. Patients were selected into 4 groups depending on the clinical variant of GN (urinary, nephrotic, hypertensive and mixed variants). When selecting patients, we achieved comparability of groups by age, gender, morphological variants and duration of the disease. In addition to the generally accepted methods of research, patients were performed: 1) assessment of the thyroid status (thyroid-stimulating hormone (TSH), free thyroxine (free T4), free triiodothyronine (free T3), antibodies to thyroperoxidase (anti-TPO), (free T3+free T4)/TSH, free T4/free T3, free T4/TSH); 2) determination of levels of interleukin - IL-1β, IL-4 and IL-10 in blood serum; 3) ultrasound (US) examination of the thyroid gland. The obtained data were compared with those of healthy people. RESULTS The group of patients with the nephrotic variant of GN in 50% of cases showed a decrease of the level of free Т4 with the increase of TSH level, 26.7% showed a moderate increase of TSH at unchanged concentrations of free Т4 and free T3. In patients with the urinary variant of GN, the thyroid status did not differ from that in healthy patients, and the cytokine profile was characterized by a simultaneous increase in the content of the proinflammatory cytokine IL-1β and the anti-inflammatory cytokine IL-10. The group of patients with the hypertonic variant of GN in 82% of cases showed an isolated increase in TSH content. In the group of patients with a mixed variant of GN, changes in thyroid indices were predominant, combined with a large variability in the level of IL-1β production. CONCLUSIONS The results of the study indicate the influence of the functional state of the pituitary-thyroid system on the formation of different clinical variants of GN, which depends mainly on the level of production of the anti-inflammatory cytokine IL-10.
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Affiliation(s)
- Louise M Karzakova
- Federal State Budgetary Educational Institution of Higher Education "The Chuvash State University named after I.N. Ulyanov"
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Jiang L, Du J, Wu W, Fang J, Wang J, Ding J. Sex differences in subclinical hypothyroidism and associations with metabolic risk factors: a health examination-based study in mainland China. BMC Endocr Disord 2020; 20:100. [PMID: 32631284 PMCID: PMC7339542 DOI: 10.1186/s12902-020-00586-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 06/29/2020] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND The association between subclinical hypothyroidism (SCH) and metabolic risk factors in the general health examination-based population has been widely explored. However, the results have been inconclusive. Additionally, the sex differences in the prevalence of SCH and the association of SCH with metabolic risk factors remain unknown. METHODS We conducted this cross-sectional study using data from health examination-based participants between June 2016 and April 2018 in our health examination centre. Sex differences SCH and the association of SCH with metabolic risk factors were explored. RESULTS The total prevalence of SCH was 3.40% among the 5319 included participants, and 4.90% among the 2306 female participants, which was much higher than the prevalence of 2.26% among the 3013 male participants (p < 0.05). In males, the difference between participants younger than 60 and aged 60 or older was not significant (p = 0.104); while in females, the difference between participants younger than 40 and participants aged 40 or older was statistically significant (p = 0.023). Multivariate logistic regression analysis demonstrated that age (OR = 0.568, p = 0.004), body-mass index (BMI) (OR = 5.029, p < 0.001) and systolic/diastolic blood pressure (SBP/DBP) (OR = 5.243, p < 0.001) were independent predictors of SCH in females, but no metabolic risk factor was significantly associated with SCH in males. Further analysis revealed that the prevalence was much higher in participants with one or two metabolic risk factors than in those with no above metabolic risk factors regardless of age (p < 0.01). CONCLUSIONS Our study demonstrates that high BMI and/or high blood pressure are associated with SCH in female participants, and the prevalence of SCH among women with one or two metabolic risk factors ranges from 7.69-14.81%, which indicates that in such a population, serum concentrations of TSH and FT4 may be routinely screened in mainland China. Certainly, prospective, large-scale studies with long follow-up period are still necessary to further verify our results.
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Affiliation(s)
- Li Jiang
- Department of Emergency, Ningbo Medical Center Lihuili Hospital, Taipei Medical University Ningbo Medical Center, Ningbo, 315000, China
| | - Jinman Du
- Health Examination Center, Ningbo Medical Center Lihuili Hospital, Taipei Medical University Ningbo Medical Center, Ningbo, 315000, China
| | - Weizhu Wu
- Department of Breast and Thyroid Surgery, Ningbo Medical Center Lihuili Hospital, Taipei Medical University Ningbo Medical Center, Ningbo, 315000, China
| | - Jianjiang Fang
- Department of Emergency, Ningbo Medical Center Lihuili Hospital, Taipei Medical University Ningbo Medical Center, Ningbo, 315000, China
| | - Jufang Wang
- Health Examination Center, Ningbo Medical Center Lihuili Hospital, Taipei Medical University Ningbo Medical Center, Ningbo, 315000, China
| | - Jinhua Ding
- Department of Breast and Thyroid Surgery, Ningbo Medical Center Lihuili Hospital, Taipei Medical University Ningbo Medical Center, Ningbo, 315000, China.
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Kim SH, Min HK, Lee SW. Relationship between Thyroid and Kidney Function: Analysis from the Korea National Health and Nutrition Examination Survey Between 2013 and 2015. Kidney Blood Press Res 2020; 45:442-454. [PMID: 32369813 DOI: 10.1159/000507290] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 03/16/2020] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Thyroid function is evaluated by thyroid stimulating hormone (TSH) and free thyroxine (fT4). Although many studies have indicated an intimate relationship between thyroid hormones and kidney functions, reports about the simultaneous evaluation of TSH and fT4 are rare. OBJECTIVE We aimed to analyze the association between TSH and kidney function, with emphasis on a potential nonlinear relationship, and identify an independent relationship between fT4 and kidney function. METHODS We reviewed the data of 7,061 subjects in the Korea National Health and Nutrition Examination Surveys who were randomly subsampled for thyroid function evaluation between 2013 and 2015. A total of 5,578 subjects were included in the final analysis, after excluding people <18 years old, and those with a short fasting time, abnormal fT4 levels, and thyroid disease or related medications. Creatinine-based estimated glomerular filtration rate (eGFR) was used to define kidney function. RESULTS A 1 mmol/L increase of logarithmic TSH was associated with decreased eGFR (β: -1.8; 95% CI -2.3 to -1.2; p < 0.001), according to multivariate linear regression analysis. On the multivariate generalized additive model plot, TSH demonstrated an L-shaped relationship with eGFR, showing a steeper slope for 0-4 mIU/L of TSH. A 1 µg/dL increase of fT4 was also associated with decreased eGFR (β: -7.0; 95% CI -0.94 to -4.7; p < 0.001) on the multivariate linear regression analysis; this association was reversed after adjusting for age. On the mediation analysis, the indirect effect via age and direct effect per 1 µg/dL increase of fT4 on eGFR was 9.9 (8.1 to 11.7, p < 0.001) and -7.1 (-9.3 to -4.8, p < 0.001), respectively. CONCLUSIONS Increased TSH was associated with decreased eGFR, particularly in the reference range. The direct effect of increased fT4 was decreased eGFR, which may be affected indirectly by age.
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Affiliation(s)
- Sang Hyuk Kim
- Medical Service Corps of 2nd Armored Brigade, Republic of Korea Army, Paju, Republic of Korea
| | - Hyang Ki Min
- Department of Internal Medicine, Nowon Eulji Medical Center, Eulji University, Seoul, Republic of Korea
| | - Sung Woo Lee
- Department of Internal Medicine, Nowon Eulji Medical Center, Eulji University, Seoul, Republic of Korea,
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Huang CW, Li BH, Reynolds K, Jacobsen SJ, Rhee CM, Sim JJ. Association between hypothyroidism and chronic kidney disease observed among an adult population 55 years and older. Medicine (Baltimore) 2020; 99:e19569. [PMID: 32332605 PMCID: PMC7220776 DOI: 10.1097/md.0000000000019569] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Hypothyroidism and chronic kidney disease (CKD) are highly prevalent conditions with a potential mechanistic link. We sought to determine whether hypothyroidism is associated with CKD among a large diverse community-based cohort.A cross-sectional study was performed (January 1, 1990-December 31, 2017) within a large integrated health system. Individuals age ≥55 years of age with outpatient measurements of thyroid stimulating hormone (TSH) and ≥2 serum creatinine values were included. Hypothyroidism was defined as TSH >4 mIU/L and/or receipt of thyroid hormone replacement and further categorized as hypothyroid status: TSH >4 mcIU/mL and attenuated-hypothyroid status: TSH <4 mcIU/mL with receipt of thyroid hormone replacement. Euthyroidism was defined as TSH <4 mIU/L and no thyroid hormone replacement. Our primary measure was CKD defined as an estimated glomerular filtration rate (eGFR) <45 mL/min/1.73 m. Multivariable logistic regression adjusting for age, sex, race, and comorbidities was used to estimate odds ratios (OR) for CKD by thyroid status.Among 378,101 individuals, 114,872 (30.4%) had hypothyroidism among whom 31,242 and 83,630 had hypothyroid and attenuated-hypothyroid statuses, respectively. Individuals with hypothyroidism had a CKD OR (95%CI) of 1.25 (1.21-1.29) compared with those with euthyroidism. Granular examination of thyroid statuses showed that hypothyroid and attenuated-hypothyroid statuses had CKD ORs (95% CI) of 1.59 (1.52-1.66) and 1.12 (1.08-1.16), respectively. A similar relationship was observed in analyses that defined CKD as an eGFR <60 L/min/1.73 m.Among individuals 55 years and older, we observed that those with hypothyroidism were more likely to have CKD. A stronger association was found among patients of hypothyroid status compared with attenuated-hypothyroid status suggesting a dose dependent relationship.
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Affiliation(s)
- Cheng-Wei Huang
- Department of Hospital Medicine, Kaiser Permanente Los Angeles Medical Center
| | - Bonnie H. Li
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena
| | - Kristi Reynolds
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena
| | - Steven J. Jacobsen
- Department of Research & Evaluation, Kaiser Permanente Southern California, Pasadena
| | - Connie M. Rhee
- Division of Nephrology, Hypertension, and Kidney Transplantation, University of California, Irvine Medical Center, Irvine
| | - John J. Sim
- Division of Nephrology and Hypertension, Kaiser Permanente Los Angeles Medical Center, Los Angeles, California
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Wang X, Zhao X, Huang X. Association of Subclinical Thyroid Dysfunction with Chronic Kidney Disease: A Systematic Review and Meta-analysis. Endocr Res 2020; 45:41-49. [PMID: 31345069 DOI: 10.1080/07435800.2019.1645164] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Background: The association of subclinical thyroid dysfunction (SCTD) with chronic kidney disease (CKD) among community population remains inconclusive. Our aim was to evaluate the association between SCTD and the risk of CKD by conducting a meta-analysis.Methods: Multiple databases were searched to identify studies on the association between SCTD and risk of CKD, up to October 2018. Relevant information for analysis was extracted. A random-effects model was used to calculate the pooled risk estimate.Results: Eight articles were included in this meta-analysis, with three cohort and five cross-sectional studies. The pooled odds ratio (OR) of subclinical hypothyroidism for CKD was 1.37 (95% CI: 1.13-1.67, P = .000, n = 8) in a multivariable-adjusted model. A significant association was observed in subgroup younger than 70 years (OR = 1.40, 95% CI: 1.09-1.79, P = .000, n = 6), but not in subgroup older than 70 years (OR = 1.28, 95% CI: 0.89-1.83, P = .186, n = 2). For subclinical hyperthyroidism, the summary OR was 1.16 (95%CI: 0.97-1.39, P = .115, n = 5) and subgroup analyses by age and study design did not alter the results significantly.Conclusions: Our findings demonstrated that subclinical hypothyroidism was significantly associated with a higher risk of CKD independent of some conventional risk factors among community population and age might have modifying effects on the association.
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Affiliation(s)
- Xiaodong Wang
- The second department of Nephropathy, Taian city Central Hospital, Taian city, Shandong Province, People's Republic of China
| | - Xinchao Zhao
- Department of Pharmacy, Taian city Central Hospital, Taian city, Shandong Province, People's Republic of China
| | - Xiaolei Huang
- Department of Hemodialysis, Taian city Central Hospital, Taian city, Shandong Province, People's Republic of China
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de Souza ABC, Arantes MF, Zatz R, Elias RM, Lopes RI, Macedo E. Influence of low free thyroxine on progression of chronic kidney disease. BMC Nephrol 2020; 21:36. [PMID: 32000713 PMCID: PMC6993384 DOI: 10.1186/s12882-019-1677-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 12/30/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Hypothyroidism is highly prevalent in patients with chronic kidney disease (CKD) and has been associated with poorer clinical outcomes, including faster decline of kidney function. However, there is no consensus whether low free thyroxin (LFT) affects the rate of estimated glomerular filtration rate (eGFR) decline and how the presence of proteinuria influences the progression of renal dysfunction in hypothyroidism. METHODS We assessed thyroid status, proteinuria, and progression of eGFR by Modification of Diet in Renal Disease equation and CKD-EPI equation in a cohort of CKD patients followed in general nephrology clinics. We estimated the association of LFT levels, and the degree of proteinuria on progression of eGFR. We adjusted for other covariables: age, gender, body mass index, diabetes, hypertension, HbA1c, uric acid, cholesterol, and triglycerides levels.. RESULTS One thousand six hundred ten patients (64 ± 15 years, 46.8% men, 25.3% diabetic) were included. At beggnining of follow up eGFR was between 45 and 60, 30-45 and 15-30 ml/min/1.73m2 in 479 (29.8%), 551(34.2%), and 580(36.0%) patients, respectively. LFT levels were available at initial evaluation in 288(17.9%) patients and 735(48.5%) had assessment of proteinuria (19.6% with LFT vs. 15.4% without LFT, p = 0.032). Median follow-up time was of 21 months, and 1223(76%) had at least 1 year of follow up. Overall, eGFR decline per month was - 0.05(- 0.26, 0.23) ml/min/1.73m2, reaching 1.7(1.3, 2.4) ml/min/1.73m2 by the end of study period. Similar results were obtained using CKD-EPI. Multivariable mixed linear analysis showed that proteinuria and age were independently associated with eGFR decline, with no effect of LFT, and no interaction between proteinuria and LFT. In patients without proteinuria, there was an improvement of eGFR despite the presence of LFT. CONCLUSIONS We confirmed a faster rate of eGFR declined in patients with proteinuria. However, despite the pathophysiological rational that hypothyroidism can lead to increased rate of CKD progression, we failed to demonstrate an association between LFT and rate of CKD progression. We conclude that the benefit of hypothyroidism treatment in CKD patients needs to be evaluate in prospective studies.
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Affiliation(s)
| | - Marcia Fernanda Arantes
- Nephrology Service, Hospital das Clinicas HCFMUSP, Universidade de São Paulo, São Paulo, Brazil.
| | - Roberto Zatz
- Nephrology Service, Hospital das Clinicas HCFMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Rosilene Motta Elias
- Nephrology Service, Hospital das Clinicas HCFMUSP, Universidade de São Paulo, São Paulo, Brazil
- Universidade Nove de Julho, UNINOVE, São Paulo, Brazil
| | - Roberto Iglesias Lopes
- Urology Service Hospital das Clinicas HCFMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Etienne Macedo
- Nephrology Division, Department of Medicine, University of California San Diego, San Diego, California, USA
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Weerakkody RM, Lokuliyana PN. Severe hypothyroidism presenting as reversible proteinuria: two case reports. J Med Case Rep 2019; 13:270. [PMID: 31455390 PMCID: PMC6712628 DOI: 10.1186/s13256-019-2216-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 08/01/2019] [Indexed: 12/29/2022] Open
Abstract
Background Hypothyroidism is a common medical disorder which results in many metabolic effects, such as dyslipidemia, hypertension, accelerated atherosclerosis, and coronary artery disease. Hypothyroidism affects the renal physiology by affecting the renal blood flow, vascular resistance, and sodium handling. Recent studies have shown hypothyroidism is associated with decreased estimated renal function and proteinuria. Rhabdomyolysis and acute renal insufficiency have also been described in association with hypothyroidism. The severity of the proteinuria was directly proportional to thyroid-stimulating hormone levels. Currently, there is a lack of evidence on the reversibility of proteinuria in hypothyroidism. This is the first report in the literature, to the best of our knowledge, demonstrating the reversibility of proteinuria associated with hypothyroidism, with treatment. Case presentation Here we describe two cases, a 72-year-old Sinhalese man and a 47-year-old Tamil woman, from Sri Lanka, presenting with overt hypothyroidism; they were found to have elevated creatinine, proteinuria, and elevated creatinine kinase levels. Due to lack of active sediment in urine analysis, these patients were observed after the initiation of thyroxine therapy. They were investigated in the adult-onset proteinuria pathway, excluding common reasons for proteinuria. Both patients responded to treatment: their serum creatinine, creatinine kinase, and urine protein levels reverted to physiological levels within 6 months of treatment with thyroxine, and with normalization of thyroid-stimulating hormone. Conclusion Hypothyroidism can present as renal insufficiency, proteinuria, and can mimic rhabdomyolysis. Prompt initiation of thyroxine treatment and control of thyroid-stimulating hormone levels could reverse these changes.
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Xie J, Wang X, Zhang Y, Li H, Xu Y, Zheng D. The longitudinal effect of subclinical hypothyroidism on urine microalbumin-to-urine creatinine ratio in patients with type 2 diabetes mellitus. BMC Endocr Disord 2019; 19:84. [PMID: 31382952 PMCID: PMC6683563 DOI: 10.1186/s12902-019-0405-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 07/10/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND In patients with diabetes mellitus, the urinary microalbumin-to-urine creatinine ratio (UACR) can not only predict the occurrence of diabetic nephropathy but also can be a risk factor for cardiovascular disease and renal function damage. Current studies on subclinical hypothyroidism (SCH) and UACR are mainly cross-sectional studies, and the results suggest that SCH is an independent risk factor for UACR. To further explore the longitudinal effect of SCH on UACR, we carried out this study. METHODS This was a retrospective cohort study including 46 patients with type 2 diabetes mellitus and SCH in the Department of Endocrinology, The Affiliated Huai'an Hospital of Xuzhou Medical University from January 2013 to April 2018. At the same time, 96 patients with type 2 diabetes mellitus and euthyroid were chosen according to 1:2 approximately matched with age, sex and duration of diabetes mellitus. Univariate analysis, stratified analysis, and multiple linear regression analysis were used to investigate the effect of SCH on ΔUACR(ΔUACR = UACR after 1 year - baseline UACR) in patients with type 2 diabetes mellitus. RESULTS There was no significant difference between the baseline UACR, (p > 0.05). However, the ΔUACR was significantly higher in SCH group than euthyroid group, as shown by univariate analysis, stratified analysis and multiple linear regression analysis (β:-1.071, 95% CI: - 1.713--0.428), and the difference was statistically significant (all p < 0.05). CONCLUSION SCH is associated with an increased UACR in type 2 diabetes mellitus patients. It is necessary to screen for thyroid function in type 2 diabetes mellitus and increase the follow-up frequency of UACR in patients with SCH.
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Affiliation(s)
- Juan Xie
- The Affiliated Huai'an Hospital of Xuzhou Medical University, Huaian, 223002, Jiangsu, China
| | - Xiaoqing Wang
- The Affiliated Huai'an Hospital of Xuzhou Medical University, Huaian, 223002, Jiangsu, China
| | - Yiyuan Zhang
- The Affiliated Huai'an Hospital of Xuzhou Medical University, Huaian, 223002, Jiangsu, China
| | - Hailun Li
- The Affiliated Huai'an Hospital of Xuzhou Medical University, Huaian, 223002, Jiangsu, China
| | - Yong Xu
- The Affiliated Huai'an Hospital of Xuzhou Medical University, Huaian, 223002, Jiangsu, China.
| | - Donghui Zheng
- The Affiliated Huai'an Hospital of Xuzhou Medical University, Huaian, 223002, Jiangsu, China.
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Seo SM, Koh YS, Park HJ, Kim DB, Her SH, Lee JM, Park CS, Kim PJ, Kim HY, Yoo KD, Jeon DS, Ahn YK, Jeong MH, Chung WS, Seung KB. Thyroid stimulating hormone elevation as a predictor of long-term mortality in patients with acute myocardial infarction. Clin Cardiol 2018; 41:1367-1373. [PMID: 30144126 DOI: 10.1002/clc.23062] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 08/11/2018] [Accepted: 08/21/2018] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Hypothyroidism has been known to be associated with hyperlipidemia, endothelial dysfunction and atherosclerosis. Elevation of thyroid-stimulation hormone (TSH) is a gold standard to detect these conditions. However, no large studies have investigated the association between TSH elevation and long-term clinical outcomes in patients with acute myocardial infarction (AMI). HYPOTHESIS Hypothyroidism is associated with higher mortality in patients with AMI. METHODS A total of 4748 AMI patients undergoing percutaneous coronary intervention (PCI) with drug-eluting stents were consecutively enrolled. We analyzed 1977 patients whose thyroid function data available after the exclusion of hyperthyroidism and possible central hypothyroidism. Patients were divided into two groups; euthyroid group (n = 1846) with normal TSH and normal free thyroxine (FT4); hypothyroidism group (n = 131) with elevated TSH and normal or low FT4. The two groups were subsequently compared with their all-cause and cardiac mortalities. RESULTS Median follow-up duration was 3.5 years. Hypothyroidism group were older, included in more females, and had higher incidences of atrial fibrillation, stroke, and renal dysfunction. Elevated TSH was associated with significantly higher all-cause mortality (26.0% vs 11.7%, P < 0.0001) and cardiac mortality (9.2% vs 4.6%, P = 0.014). The multivariate Cox proportional hazards model identified that TSH elevation was a significant predictor of all-cause mortality (adjusted hazard ratio 1.560, 95% confidence interval 1.017 to 2.392, P = 0.041). CONCLUSIONS Our data suggest that AMI patients with TSH elevation had worse clinical outcome. Moreover, TSH elevation was a predictor of all-cause mortality in patients with AMI.
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Affiliation(s)
- Suk Min Seo
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Yoon-Seok Koh
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Hun-Jun Park
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Dong Bin Kim
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, St. Paul's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Sung Ho Her
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Daejeon St. Mary's Hospital, The Catholic University of Korea, Daejeon, South Korea
| | - Jong Min Lee
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Uijeongbu St. Mary's Hospital, The Catholic University of Korea, Uijeongbu, South Korea
| | - Chul Soo Park
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Yeouido St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Pum-Joon Kim
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Hee Yeol Kim
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Bucheon St. Mary's Hospital, The Catholic University of Korea, Bucheon, South Korea
| | - Ki Dong Yoo
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, St. Vincent's Hospital, The Catholic University of Korea, Suwon, South Korea
| | - Doo Soo Jeon
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Incheon St. Mary's Hospital, The Catholic University of Korea, Incheon, South Korea
| | - Young Keun Ahn
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Chonnam National University Hospital, Chonnam National University, Gwangju, South Korea
| | - Myung Ho Jeong
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Chonnam National University Hospital, Chonnam National University, Gwangju, South Korea
| | - Wook Sung Chung
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Ki-Bae Seung
- Department of Internal Medicine, Cardiovascular Center and Cardiology Division, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
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Hansen MP, Kahaly GJ. [Managing hypothyroidism in general practice]. MMW Fortschr Med 2018; 160:42-46. [PMID: 30302683 DOI: 10.1007/s15006-018-0983-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Affiliation(s)
- Martin P Hansen
- Universitätsmedizin der Johannes-Gutenberg-Universität, Mainz, Deutschland
| | - George J Kahaly
- Universitätsmedizin der Johannes-Gutenberg-Universität, Mainz, Deutschland.
- I. Medizinische Klinik und Poliklinik, Labor Prof. G. J. Kahaly, Gebäude 402 UG, Univ.-Medizin der Johannes-Gutenberg-Universität, Langenbeckstr. 1, D-55131, Mainz, Deutschland.
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Leiner P. [Not Available]. MMW Fortschr Med 2018; 160:18. [PMID: 29557019 DOI: 10.1007/s15006-018-0268-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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