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Ермолаева АС, Фадеев ВВ. [Type 2 amiodarone-induced thyrotoxicosis: efficacy of glucocorticoid therapy, a retrospective analysis]. PROBLEMY ENDOKRINOLOGII 2024; 69:17-27. [PMID: 38311991 PMCID: PMC10848191 DOI: 10.14341/probl13267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 07/09/2023] [Accepted: 07/19/2023] [Indexed: 02/06/2024]
Abstract
BACKGROUND Type 2 amiodarone-induced thyrotoxicosis remains a significant problem of endocrinology and cardiology. Due to the increase a life expectancy of the population, the prevalence of cardiac arrhythmias and prescribing of amiodarone are increasing. Thyrotoxicosis aggravates the existing cardiovascular disease in patients, leads to the progression of left ventricular dysfunction, relapses of arrhythmias, increasing the risk of adverse outcomes. The tactic of further management of patients is complicated: it is necessary to resolve the issue of canceling or continuing the use of antiarrhythmic drugs necessary for a patient with a history of cardiac arrhythmia, as well as competent therapy of the thyroid pathology that has arisen. Oral glucocorticoids are the first-line drugs for the treatment of patients with moderate and severe type 2 amiodarone-induced thyrotoxicosis. Despite the appearance of clinical recommendations, opinions on the management of patients are differ, both among cardiologists and among endocrinologists. Often thyrostatics are prescribed to patients simultaneously with glucocorticoids, although it doesn't have pathogenetic basis. AIM To evaluate the efficacy of various therapy options in patients with type 2 amiodarone-induced thyrotoxicosis. MATERIALS AND METHODS The retrospective study included 38 patients (20 men and 18 women aged 35 to 85 years) with type 2 amiodarone-induced thyrotoxicosis. All patients underwent an analysis of anamnestic, anthropometric data, complex laboratory and instrumental diagnostics. According to the treatment options, 3 groups were retrospectively formed: without therapy (n=19), taking glucocorticoids (n=11) and combination of glucocorticoids and thyrostatics (n=8). The follow-up period was 6-18 months, including the treatment. The efficacy of treatment in the groups was evaluated by the time of reaching euthyroidism on the background of glucocorticoid therapy and duration of thyrotoxicosis; the search was conducted for potential predictors of delayed response to glucocorticoid therapy and long-term course of thyrotoxicosis. RESULTS The average age was 62.0 [52.9; 66.3] years. The level of free thyroxine was significantly decreased after 1 month from the start of therapy in both groups: from 38.1 [32.1; 58.4] to 23.4 [19.6; 29.3] pmol/l (p<0.001) in the group taking glucocorticoids; from 73.9 [42.2; 75.6] to 39.3 [22.4; 47.2] pmol/l (p<0.001) in the combination therapy group. The time of reaching euthyroidism was longer in the combination therapy group (p=0.047), didn't depend on the dose (p=0.338) and duration of taking thiamazole (p=0.911), the delayed response to therapy correlated with age (p=-0.857; p=0.007) and time interval from the appearance of clinical symptoms of thyrotoxicosis to the start of glucocorticoid therapy (p=0.881; p<0.001). CONCLUSION The results demonstrate the dependence of glucocorticoid response on the age of the patient and start time of therapy relative to the duration of thyrotoxicosis, inexpediency of additional prescribing thyrostatics in type 2 amiodarone-induced thyrotoxicosis.
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Affiliation(s)
- А. С. Ермолаева
- Первый Московский государственный медицинский университет им. И.М. Сеченова (Сеченовский Университет)
| | - В. В. Фадеев
- Первый Московский государственный медицинский университет им. И.М. Сеченова (Сеченовский Университет)
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Joglar JA, Chung MK, Armbruster AL, Benjamin EJ, Chyou JY, Cronin EM, Deswal A, Eckhardt LL, Goldberger ZD, Gopinathannair R, Gorenek B, Hess PL, Hlatky M, Hogan G, Ibeh C, Indik JH, Kido K, Kusumoto F, Link MS, Linta KT, Marcus GM, McCarthy PM, Patel N, Patton KK, Perez MV, Piccini JP, Russo AM, Sanders P, Streur MM, Thomas KL, Times S, Tisdale JE, Valente AM, Van Wagoner DR. 2023 ACC/AHA/ACCP/HRS Guideline for the Diagnosis and Management of Atrial Fibrillation: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. Circulation 2024; 149:e1-e156. [PMID: 38033089 PMCID: PMC11095842 DOI: 10.1161/cir.0000000000001193] [Citation(s) in RCA: 134] [Impact Index Per Article: 134.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
AIM The "2023 ACC/AHA/ACCP/HRS Guideline for the Diagnosis and Management of Atrial Fibrillation" provides recommendations to guide clinicians in the treatment of patients with atrial fibrillation. METHODS A comprehensive literature search was conducted from May 12, 2022, to November 3, 2022, encompassing studies, reviews, and other evidence conducted on human subjects that were published in English from PubMed, EMBASE, the Cochrane Library, the Agency for Healthcare Research and Quality, and other selected databases relevant to this guideline. Additional relevant studies, published through November 2022, during the guideline writing process, were also considered by the writing committee and added to the evidence tables, where appropriate. STRUCTURE Atrial fibrillation is the most sustained common arrhythmia, and its incidence and prevalence are increasing in the United States and globally. Recommendations from the "2014 AHA/ACC/HRS Guideline for the Management of Patients With Atrial Fibrillation" and the "2019 AHA/ACC/HRS Focused Update of the 2014 AHA/ACC/HRS Guideline for the Management of Patients With Atrial Fibrillation" have been updated with new evidence to guide clinicians. In addition, new recommendations addressing atrial fibrillation and thromboembolic risk assessment, anticoagulation, left atrial appendage occlusion, atrial fibrillation catheter or surgical ablation, and risk factor modification and atrial fibrillation prevention have been developed.
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Affiliation(s)
| | | | | | | | | | | | - Anita Deswal
- ACC/AHA Joint Committee on Clinical Practice Guidelines liaison
| | | | | | | | | | - Paul L Hess
- ACC/AHA Joint Committee on Performance Measures liaison
| | | | | | | | | | - Kazuhiko Kido
- American College of Clinical Pharmacy representative
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3
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Joglar JA, Chung MK, Armbruster AL, Benjamin EJ, Chyou JY, Cronin EM, Deswal A, Eckhardt LL, Goldberger ZD, Gopinathannair R, Gorenek B, Hess PL, Hlatky M, Hogan G, Ibeh C, Indik JH, Kido K, Kusumoto F, Link MS, Linta KT, Marcus GM, McCarthy PM, Patel N, Patton KK, Perez MV, Piccini JP, Russo AM, Sanders P, Streur MM, Thomas KL, Times S, Tisdale JE, Valente AM, Van Wagoner DR. 2023 ACC/AHA/ACCP/HRS Guideline for the Diagnosis and Management of Atrial Fibrillation: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. J Am Coll Cardiol 2024; 83:109-279. [PMID: 38043043 PMCID: PMC11104284 DOI: 10.1016/j.jacc.2023.08.017] [Citation(s) in RCA: 42] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/04/2023]
Abstract
AIM The "2023 ACC/AHA/ACCP/HRS Guideline for the Diagnosis and Management of Patients With Atrial Fibrillation" provides recommendations to guide clinicians in the treatment of patients with atrial fibrillation. METHODS A comprehensive literature search was conducted from May 12, 2022, to November 3, 2022, encompassing studies, reviews, and other evidence conducted on human subjects that were published in English from PubMed, EMBASE, the Cochrane Library, the Agency for Healthcare Research and Quality, and other selected databases relevant to this guideline. Additional relevant studies, published through November 2022, during the guideline writing process, were also considered by the writing committee and added to the evidence tables, where appropriate. STRUCTURE Atrial fibrillation is the most sustained common arrhythmia, and its incidence and prevalence are increasing in the United States and globally. Recommendations from the "2014 AHA/ACC/HRS Guideline for the Management of Patients With Atrial Fibrillation" and the "2019 AHA/ACC/HRS Focused Update of the 2014 AHA/ACC/HRS Guideline for the Management of Patients With Atrial Fibrillation" have been updated with new evidence to guide clinicians. In addition, new recommendations addressing atrial fibrillation and thromboembolic risk assessment, anticoagulation, left atrial appendage occlusion, atrial fibrillation catheter or surgical ablation, and risk factor modification and atrial fibrillation prevention have been developed.
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4
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Prognostic Relevance of Thyroid Disorders in Adults With Congenital Heart Disease. Am J Cardiol 2022; 166:107-113. [PMID: 34930612 DOI: 10.1016/j.amjcard.2021.11.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 11/09/2021] [Accepted: 11/12/2021] [Indexed: 12/20/2022]
Abstract
Adults with congenital heart disease (ACHD) are frequently affected by thyroid diseases (TDs). However, the clinical relevance of TD in ACHD remains unknown. We aimed to describe the prevalence of TD in the ACHD population and to ascertain whether TD are associated with worse outcome. Patients with ACHD >18 years attending our tertiary center for a day-case between 2014 and 2019 were included. Clinical data between patients' first visit and December 2020 were collected. Primary end point was a combination of death, hospitalization for heart failure (HF), and new-onset of arrhythmic events. Secondary end points were each part of the primary outcome as separate end points. A total of 495 patients with ACHD (32.2 [24.5 to 45.6] years; 54% women) were included. Median follow-up was 9.4 (4.5 to 13.1) years. The prevalence of TD was 30%. TD group showed worse clinical status, as demonstrated by N-terminal pro b-type natriuretic peptide values (243.5 [96.5 to 523] vs 94 [45 to 207] pg/ml, p <0.001) and New York Heart Association class (27% vs 13% in class III to IV, p <0.0001) with higher incident rate of adverse events at follow-up (4.45 [3.43 to 5.69] % vs 1.29[0.94 to 1.75] % per person-year, p <0.001). TD were independently associated with higher risk of death (hazard ratio [HR] 4.1, p = 0.009), arrhythmic events (HR 3.8, p <0.0001), and hospitalization for HF (HR 8.02, p <0.0001). There was a fourfold increased risk of primary end point in the TD group even after propensity score matching for clinical variables including age, gender, disease complexity, physiological stage, previous palliative surgery, ventricular function, pulmonary arterial hypertension, cyanosis, and presence of systemic right ventricle (HR 4.47, p <0.0001). In conclusion, TD are predictive of adverse outcome in the ACHD population. Routine screening of thyroid function during follow-up in this population may be helpful to identify those with higher risk of death, arrhythmias, and HF.
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de Souza LVF, Campagnolo MT, Martins LCB, Scanavacca MI. Amiodarone-Induced Thyrotoxicosis - Literature Review & Clinical Update. Arq Bras Cardiol 2021; 117:1038-1044. [PMID: 34817015 PMCID: PMC8682089 DOI: 10.36660/abc.20190757] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 09/16/2020] [Accepted: 11/04/2020] [Indexed: 01/21/2023] Open
Abstract
Amiodarone is widely used in treating atrial and ventricular arrhythmias; however, due to its high iodine concentration, the chronic use of the drug can induce thyroid disorders. Amiodarone-induced thyrotoxicosis (AIT) can decompensate and exacerbate underlying cardiac abnormalities, leading to increased morbidity and mortality, especially in patients with left ventricular ejection fraction <30%. AIT cases are classified into two subtypes that guide therapeutic management. The risks and benefits of maintaining the amiodarone must be evaluated individually, and the therapeutic decision should be taken jointly by cardiologists and endocrinologists. Type 1 AIT treatment is similar to that of spontaneous hyperthyroidism, using antithyroid drugs (methimazole and propylthiouracil) at high doses. Type 1 AIT is more complicated since it has proportionally higher recurrences or even non-remission, and definitive treatment is recommended (total thyroidectomy or radioiodine). Type 2 AIT is generally self-limited, yet due to the high mortality associated with thyrotoxicosis in cardiac patients, the treatment should be implemented for faster achievement of euthyroidism. Furthermore, in well-defined cases of type 2 AIT, the treatment with corticosteroids is more effective than treatment with antithyroid drugs. In severe cases, regardless of subtype, immediate restoration of euthyroidism through total thyroidectomy should be considered before the patient progresses to excessive clinical deterioration, as delayed surgery indication is associated with increased mortality.
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Affiliation(s)
| | - Maria Thereza Campagnolo
- Centro Universitário LusiadaFaculdade de Ciências Médicas de SantosSantosSPBrasilCentro Universitário Lusiada Faculdade de Ciências Médicas de Santos, Santos, SP – Brasil
| | - Luiz Claudio Behrmann Martins
- Universidade de São Paulo InstitutoInstituto do Coração - Arrritmia e MarcapassoSão PauloSPBrasilUniversidade de São Paulo Instituto do Coração - Arrritmia e Marcapasso, São Paulo, SP – Brasil
| | - Maurício Ibrahim Scanavacca
- Universidade de São Paulo InstitutoInstituto do Coração - Arrritmia e MarcapassoSão PauloSPBrasilUniversidade de São Paulo Instituto do Coração - Arrritmia e Marcapasso, São Paulo, SP – Brasil
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6
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de Miguel IM, Ávila P. Atrial Fibrillation in Congenital Heart Disease. Eur Cardiol 2021; 16:e06. [PMID: 33737960 PMCID: PMC7967824 DOI: 10.15420/ecr.2020.41] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/08/2020] [Indexed: 01/25/2023] Open
Abstract
The increasing prevalence of AF in a growing population of adults with congenital heart disease (CHD) poses new challenges to clinicians involved in the management of these patients. Distinctive underlying anatomies, unique physiological aspects, a high diversity of corrective surgeries and associated comorbidities can complicate clinical decision-making. In this review, the authors provide an overview of the current knowledge on epidemiology and pathophysiology, with a special focus on the differences to the non-CHD population and the clinical impact of AF in adults with CHD. Acute and long-term management strategies are summarised, including the use of antiarrhythmic drugs, catheter or surgical ablation and prophylaxis of thromboembolism. Finally, gaps of knowledge and potential areas of future research are highlighted.
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Affiliation(s)
- Irene Martín de Miguel
- Cardiology Department, Hospital General Universitario Gregorio Marañón Madrid, Spain.,Instituto de Investigación Sanitaria Gregorio Marañón Madrid, Spain.,Faculty of Medicine, Universidad Complutense and CIBERCV Madrid, Spain
| | - Pablo Ávila
- Cardiology Department, Hospital General Universitario Gregorio Marañón Madrid, Spain.,Instituto de Investigación Sanitaria Gregorio Marañón Madrid, Spain.,Faculty of Medicine, Universidad Complutense and CIBERCV Madrid, Spain
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Andrade JG, Aguilar M, Atzema C, Bell A, Cairns JA, Cheung CC, Cox JL, Dorian P, Gladstone DJ, Healey JS, Khairy P, Leblanc K, McMurtry MS, Mitchell LB, Nair GM, Nattel S, Parkash R, Pilote L, Sandhu RK, Sarrazin JF, Sharma M, Skanes AC, Talajic M, Tsang TSM, Verma A, Verma S, Whitlock R, Wyse DG, Macle L. The 2020 Canadian Cardiovascular Society/Canadian Heart Rhythm Society Comprehensive Guidelines for the Management of Atrial Fibrillation. Can J Cardiol 2020; 36:1847-1948. [PMID: 33191198 DOI: 10.1016/j.cjca.2020.09.001] [Citation(s) in RCA: 272] [Impact Index Per Article: 68.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 09/05/2020] [Accepted: 09/05/2020] [Indexed: 12/20/2022] Open
Abstract
The Canadian Cardiovascular Society (CCS) atrial fibrillation (AF) guidelines program was developed to aid clinicians in the management of these complex patients, as well as to provide direction to policy makers and health care systems regarding related issues. The most recent comprehensive CCS AF guidelines update was published in 2010. Since then, periodic updates were published dealing with rapidly changing areas. However, since 2010 a large number of developments had accumulated in a wide range of areas, motivating the committee to complete a thorough guideline review. The 2020 iteration of the CCS AF guidelines represents a comprehensive renewal that integrates, updates, and replaces the past decade of guidelines, recommendations, and practical tips. It is intended to be used by practicing clinicians across all disciplines who care for patients with AF. The Grading of Recommendations, Assessment, Development and Evaluations (GRADE) system was used to evaluate recommendation strength and the quality of evidence. Areas of focus include: AF classification and definitions, epidemiology, pathophysiology, clinical evaluation, screening and opportunistic AF detection, detection and management of modifiable risk factors, integrated approach to AF management, stroke prevention, arrhythmia management, sex differences, and AF in special populations. Extensive use is made of tables and figures to synthesize important material and present key concepts. This document should be an important aid for knowledge translation and a tool to help improve clinical management of this important and challenging arrhythmia.
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Affiliation(s)
- Jason G Andrade
- University of British Columbia, Vancouver, British Columbia, Canada; Institut de Cardiologie de Montréal, Université de Montréal, Montréal, Québec, Canada.
| | - Martin Aguilar
- Institut de Cardiologie de Montréal, Université de Montréal, Montréal, Québec, Canada
| | | | - Alan Bell
- University of Toronto, Toronto, Ontario, Canada
| | - John A Cairns
- University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Jafna L Cox
- Dalhousie University, Halifax, Nova Scotia, Canada
| | - Paul Dorian
- University of Toronto, Toronto, Ontario, Canada
| | | | | | - Paul Khairy
- Institut de Cardiologie de Montréal, Université de Montréal, Montréal, Québec, Canada
| | | | | | | | - Girish M Nair
- University of Ottawa Heart Institute, Ottawa, Ontario, Canada
| | - Stanley Nattel
- Institut de Cardiologie de Montréal, Université de Montréal, Montréal, Québec, Canada
| | | | | | | | - Jean-François Sarrazin
- Institut universitaire de cardiologie et de pneumologie de Québec, Université Laval, Québec, Québec, Canada
| | - Mukul Sharma
- McMaster University, Population Health Research Institute, Hamilton, Ontario, Canada
| | | | - Mario Talajic
- Montreal Heart Institute, University of Montreal, Montréal, Quebec, Canada
| | - Teresa S M Tsang
- University of British Columbia, Vancouver, British Columbia, Canada
| | - Atul Verma
- Southlake Regional Health Centre, University of Toronto, Toronto, Ontario, Canada
| | | | | | | | - Laurent Macle
- Institut de Cardiologie de Montréal, Université de Montréal, Montréal, Québec, Canada
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Zentner D, Celermajer DS, Gentles T, d’Udekem Y, Ayer J, Blue GM, Bridgman C, Burchill L, Cheung M, Cordina R, Culnane E, Davis A, du Plessis K, Eagleson K, Finucane K, Frank B, Greenway S, Grigg L, Hardikar W, Hornung T, Hynson J, Iyengar AJ, James P, Justo R, Kalman J, Kasparian N, Le B, Marshall K, Mathew J, McGiffin D, McGuire M, Monagle P, Moore B, Neilsen J, O’Connor B, O’Donnell C, Pflaumer A, Rice K, Sholler G, Skinner JR, Sood S, Ward J, Weintraub R, Wilson T, Wilson W, Winlaw D, Wood A. Management of People With a Fontan Circulation: a Cardiac Society of Australia and New Zealand Position statement. Heart Lung Circ 2020; 29:5-39. [DOI: 10.1016/j.hlc.2019.09.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 09/16/2019] [Indexed: 02/07/2023]
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9
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Kinoshita S, Hosomi K, Yokoyama S, Takada M. Time‐to‐onset analysis of amiodarone‐associated thyroid dysfunction. J Clin Pharm Ther 2019; 45:65-71. [DOI: 10.1111/jcpt.13024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/04/2019] [Accepted: 07/17/2019] [Indexed: 11/30/2022]
Affiliation(s)
| | - Kouichi Hosomi
- Division of Clinical Drug Informatics, School of Pharmacy Kindai University Higashi‐osaka Japan
| | - Satoshi Yokoyama
- Division of Clinical Drug Informatics, School of Pharmacy Kindai University Higashi‐osaka Japan
| | - Mitsutaka Takada
- Division of Clinical Drug Informatics, School of Pharmacy Kindai University Higashi‐osaka Japan
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10
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Waldmann V, Laredo M, Abadir S, Mondésert B, Khairy P. Atrial fibrillation in adults with congenital heart disease. Int J Cardiol 2019; 287:148-154. [DOI: 10.1016/j.ijcard.2019.01.079] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 12/12/2018] [Accepted: 01/22/2019] [Indexed: 12/13/2022]
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Moore BM, Cordina RL, McGuire MA, Celermajer DS. Adverse effects of amiodarone therapy in adults with congenital heart disease. CONGENIT HEART DIS 2018; 13:944-951. [PMID: 30239160 DOI: 10.1111/chd.12657] [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: 05/07/2018] [Revised: 06/28/2018] [Accepted: 07/12/2018] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Amiodarone is a highly effective antiarrhythmic therapy, however its toxicity profile often limits treatment. This is particularly relevant in adults with congenital heart disease (CHD), who are often young and in whom other antiarrhythmic agents commonly fail or are contraindicated. We sought to determine incidence and predictors of adverse effects caused by amiodarone in adult CHD (ACHD). DESIGN A retrospective review of patients with moderate to complex ACHD treated with amiodarone at our center between 2000 and 2017 was performed. Incidence and predictors of adverse effects were described. Efficacy of amiodarone therapy in controlling the clinical arrhythmia was assessed as complete, partial, or failed. RESULTS Amiodarone was prescribed in 57 patients of 902 ACHD patients reviewed (6%), for a mean duration of 2.7 ± 4.3 years. Significant adverse effects occurred in 56%, most commonly thyroid dysfunction, with amiodarone-induced thyrotoxicosis (AIT) in 30% and amiodarone-induced hypothyroidism in 14%. AIT frequently led to arrhythmia exacerbation and occurred most in those with Fontan anatomy. Severe dermatological effects were seen in 7% and bradycardia requiring pacing in 5%. Interstitial lung disease, peripheral neuropathy and alopecia were observed in single cases. Amiodarone toxicity led to discontinuation of the drug in 42%. Amiodarone was highly effective when tolerated, however, achieving complete arrhythmia control in 63%, partial control in 35%, with failure to control in only one patient. CONCLUSIONS Amiodarone therapy is effective in moderate to complex ACHD patients, but is frequently limited by adverse effects. ACHD patients seem especially vulnerable to thyroid dysfunction, with Fontan patients in particular at increased risk of AIT.
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Affiliation(s)
- Benjamin M Moore
- Department of Cardiology, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia.,Sydney Medical School, University of Sydney, Camperdown, New South Wales, Australia
| | - Rachael L Cordina
- Department of Cardiology, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia.,Sydney Medical School, University of Sydney, Camperdown, New South Wales, Australia
| | - Mark A McGuire
- Department of Cardiology, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia.,Sydney Medical School, University of Sydney, Camperdown, New South Wales, Australia
| | - David S Celermajer
- Department of Cardiology, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia.,Sydney Medical School, University of Sydney, Camperdown, New South Wales, Australia
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12
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Trohman RG, Sharma PS, McAninch EA, Bianco AC. Amiodarone and thyroid physiology, pathophysiology, diagnosis and management. Trends Cardiovasc Med 2018; 29:285-295. [PMID: 30309693 DOI: 10.1016/j.tcm.2018.09.005] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 08/15/2018] [Accepted: 09/06/2018] [Indexed: 12/14/2022]
Abstract
Although amiodarone is considered the most effective antiarrhythmic agent, its use is limited by a wide variety of potential toxicities. The purpose of this review is to provide a comprehensive "bench to bedside" overview of the ways amiodarone influences thyroid function. We performed a systematic search of MEDLINE to identify peer-reviewed clinical trials, randomized controlled trials, meta-analyses, and other clinically relevant studies. The search was limited to English-language reports published between 1950 and 2017. Amiodarone was searched using the terms adverse effects, hypothyroidism, myxedema, hyperthyroidism, thyroid storm, atrial fibrillation, ventricular arrhythmia, and electrical storm. Google and Google scholar as well as bibliographies of identified articles were reviewed for additional references. We included 163 germane references in this review. Because amiodarone is one of the most frequently prescribed antiarrhythmic drugs in the United States, the mechanistic, diagnostic and therapeutic information provided is relevant for practicing clinicians in a wide range of medical specialties.
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Affiliation(s)
- Richard G Trohman
- Divisions of Cardiology and Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States.
| | - Parikshit S Sharma
- Divisions of Cardiology and Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
| | - Elizabeth A McAninch
- Divisions of Cardiology and Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
| | - Antonio C Bianco
- Divisions of Cardiology and Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
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Kotwal A, Clark J, Lyden M, McKenzie T, Thompson G, Stan MN. Thyroidectomy for Amiodarone-Induced Thyrotoxicosis: Mayo Clinic Experience. J Endocr Soc 2018; 2:1226-1235. [PMID: 30370394 PMCID: PMC6198926 DOI: 10.1210/js.2018-00259] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Accepted: 08/30/2018] [Indexed: 11/19/2022] Open
Abstract
Context Amiodarone-induced thyrotoxicosis (AIT) is a difficult diagnostic and management challenge, especially during severe thyrotoxicosis accompanied by cardiovascular compromise. Objective To evaluate thyroidectomy for the management of AIT. Design Retrospective cohort study of adults with noncongenital heart disease with AIT after >3 months of amiodarone who underwent thyroidectomy from 1 November 2002 to 31 December 2016. Setting Referral center. Patients The group was comprised of 17 patients. Main Outcome Measures Thyroid function, left ventricular ejection fraction (LVEF), and surgical complications were the main outcome measures. Results Patients had median age of 60 years, 82.4% were male, and 47% had systolic heart failure. At diagnosis, median TSH was 0.005 mIU/L, median free T4 was 3.25 ng/dL, and total T3 was 198.5 ng/dL. We classified five patients as type 1 and type 2 and two patients as mixed; five patients remained undefined. The most common surgical indications were medically refractory disease, worsening cardiac status, and severe thyrotoxicosis requiring prompt resolution. Within 1 week post-thyroidectomy, median TSH was 0.565 mIU/L, and free T4 was 1.8 ng/dL. Median LVEF improved by 8% in patients with systolic heart failure. Seven patients had a complication within 30 days postsurgery (rehospitalization, n = 4; cervical hematoma, n = 2; recurrent arrhythmia, n = 2; symptomatic hypocalcemia, n = 1; death, n = 1). A larger thyroid gland was a risk factor for complications. Conclusions Thyroidectomy resulted in rapid resolution of thyrotoxicosis. Its complication rate was higher than for non-AIT indications but lower than previously reported in a similar population of high-risk surgical patients.
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Affiliation(s)
- Anupam Kotwal
- Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Mayo Clinic, Rochester, Minnesota
| | - Jennifer Clark
- Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Melanie Lyden
- Department of Surgery, Mayo Clinic, Rochester, Minnesota
| | | | | | - Marius N Stan
- Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Mayo Clinic, Rochester, Minnesota
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Diagnosis and Management of Noncardiac Complications in Adults With Congenital Heart Disease: A Scientific Statement From the American Heart Association. Circulation 2017; 136:e348-e392. [DOI: 10.1161/cir.0000000000000535] [Citation(s) in RCA: 106] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Life expectancy and quality of life for those born with congenital heart disease (CHD) have greatly improved over the past 3 decades. While representing a great advance for these patients, who have been able to move from childhood to successful adult lives in increasing numbers, this development has resulted in an epidemiological shift and a generation of patients who are at risk of developing chronic multisystem disease in adulthood. Noncardiac complications significantly contribute to the morbidity and mortality of adults with CHD. Reduced survival has been documented in patients with CHD with renal dysfunction, restrictive lung disease, anemia, and cirrhosis. Furthermore, as this population ages, atherosclerotic cardiovascular disease and its risk factors are becoming increasingly prevalent. Disorders of psychosocial and cognitive development are key factors affecting the quality of life of these individuals. It is incumbent on physicians who care for patients with CHD to be mindful of the effects that disease of organs other than the heart may have on the well-being of adults with CHD. Further research is needed to understand how these noncardiac complications may affect the long-term outcome in these patients and what modifiable factors can be targeted for preventive intervention.
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Yamato M, Wada K, Hayashi T, Fujimoto M, Hosomi K, Oita A, Takada M. Association between Serum Amiodarone and N-Desethylamiodarone Concentrations and Development of Thyroid Dysfunction. Clin Drug Investig 2017; 38:39-48. [DOI: 10.1007/s40261-017-0582-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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16
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Crean AM, Ahmed F, Motwani M. The Role of Radionuclide Imaging in Congenital Heart Disease. CURRENT CARDIOVASCULAR IMAGING REPORTS 2017. [DOI: 10.1007/s12410-017-9434-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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17
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Contractor T, Levin V, Mandapati R. Drug Therapy in Adult Congenital Heart Disease. Card Electrophysiol Clin 2017; 9:295-309. [PMID: 28457243 DOI: 10.1016/j.ccep.2017.02.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Adults with congenital heart disease are at risk for atrial and ventricular arrhythmias that can lead to an increased morbidity as well as mortality. When catheter ablation is not an option or unsuccessful, antiarrhythmic drugs are the mainstay of treatment. There is limited data on the use of antiarrhythmics in this population. The purpose of this article is to discuss the practical aspects of the use of antiarrhythmics in adults with congenital heart disease. Several tables have been provided to provide clinicians a reference for daily use.
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Affiliation(s)
- Tahmeed Contractor
- Department of Cardiology, Arrhythmia Center, Loma Linda University International Heart Institute, 11234 Anderson Street, Loma Linda, CA 92354, USA.
| | - Vadim Levin
- Electrophysiology, Phoenixville Hospital, 1591 Medical Drive, Pottstown, PA 19464, USA
| | - Ravi Mandapati
- Department of Cardiology, Arrhythmia Center, Loma Linda University International Heart Institute, 11234 Anderson Street, Loma Linda, CA 92354, USA
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Yamato M, Wada K, Fujimoto M, Hosomi K, Hayashi T, Oita A, Takada M. Association between N-desethylamiodarone/amiodarone ratio and amiodarone-induced thyroid dysfunction. Eur J Clin Pharmacol 2017; 73:289-296. [PMID: 28083650 DOI: 10.1007/s00228-017-2195-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 01/04/2017] [Indexed: 01/17/2023]
Abstract
PURPOSE We used a retrospective data mining approach to explore the association between serum amiodarone (AMD) and N-desethylamiodarone (DEA) concentrations and thyroid-related hormone levels. METHODS Laboratory data sets from January 2012 to April 2016 were extracted from the computerized hospital information system database at the National Cerebral and Cardiovascular Center (NCVC). Data sets that contained serum AMD and DEA concentrations and thyroid function tests, including thyroid-stimulating hormone (TSH), free thyroxine (FT4), and free triiodothyronine (FT3), were analyzed. RESULTS A total of 1831 clinical laboratory data sets from 330 patients were analyzed. Data sets were classified into five groups (euthyroidism, hyperthyroidism, subclinical hyperthyroidism, hypothyroidism, and subclinical hypothyroidism) based on the definition of thyroid function in our hospital. Most abnormal levels of thyroid hormones were observed within the therapeutic range of serum AMD and DEA concentrations. The mean DEA/AMD ratio in the hyperthyroidism group was significantly higher than that in the euthyroidism group (0.95 ± 0.42 vs. 0.87 ± 0.28, p = 0.0209), and the mean DEA/AMD ratio in the hypothyroidism group was significantly lower than that in the euthyroidism group (0.77 ± 0.26 vs. 0.87 ± 0.28, p = 0.0038). The suppressed TSH group (0.98 ± 0.41 vs. 0.87 ± 0.28, p < 0.001) and the elevated FT4 level group (0.90 ± 0.33 vs. 0.84 ± 0.27, p = 0.0037) showed significantly higher DEA/AMD ratios compared with normal level groups. The elevated TSH group showed a significantly lower DEA/AMD ratio compared with the normal group (0.81 ± 0.25 vs. 0.87 ± 0.28, p < 0.0001). CONCLUSIONS High and low DEA/AMD ratios were associated with AMD-induced hyperthyroidism and hypothyroidism, respectively. The DEA/AMD ratio may be a predictive marker for AMD-induced thyroid dysfunction.
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Affiliation(s)
- Mikie Yamato
- Division of Clinical Drug Informatics, School of Pharmacy, Kindai University, 3-4-1, Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
- Department of Pharmacy, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Kyoichi Wada
- Department of Pharmacy, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Mai Fujimoto
- Division of Clinical Drug Informatics, School of Pharmacy, Kindai University, 3-4-1, Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
| | - Kouichi Hosomi
- Division of Clinical Drug Informatics, School of Pharmacy, Kindai University, 3-4-1, Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
| | - Tomohiro Hayashi
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Akira Oita
- Department of Pharmacy, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Mitsutaka Takada
- Division of Clinical Drug Informatics, School of Pharmacy, Kindai University, 3-4-1, Kowakae, Higashi-osaka, Osaka, 577-8502, Japan.
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19
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Stan MN, Sathananthan M, Warnes CA, Brennan MD, Thapa P, Bahn RS. Amiodarone-induced thyrotoxicosis in adults with congenital heart disease--clinical presentation and response to therapy. Endocr Pract 2016; 20:33-40. [PMID: 24013980 DOI: 10.4158/ep13059.or] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE The development of amiodarone-induced thyrotoxicosis (AIT) can threaten the hemodynamic stability of adult patients with congenital heart disease (CHD). Here, we describe the natural history and treatment response of AIT in this at-risk population. METHODS We studied retrospectively all cases of AIT that occurred in CHD patients at our institution after a minimum of 3 months on amiodarone. Subjects were identified from the cohort of adults with CHD who were treated at the Mayo Clinic Adult CHD clinic between 1987 and 2009. RESULTS We identified 23 cases of AIT: 7 were type 1, 13 were type 2, and 3 were undefined due to insufficient data. Most patients were symptomatic (17 of 23, 74%), with arrhythmia and weight loss as the most common symptoms. The majority (12 of 23, 52%) were initially observed; 10 patients (43%) were treated medically and 1 patient (5%) underwent thyroidectomy. Four patients from the observation group eventually required active treatment and 3 patients from the medical group required surgery. Asymptomatic patients tended to resolve under observation (5 of 7, 71.4%) rather than progress to active treatment (0 of 4) (P = .06). Discontinuation of amiodarone, AIT type, or use of perchlorate did not impact AIT duration. CONCLUSION AIT in CHD patients exhibits a wide range of severity and sensitivity to medical therapy. Asymptomatic patients display a trend toward AIT resolution with observation alone. Amiodarone continuation does not appear to impact management outcome or disease duration. Additional studies in this high-risk population could identify elements of pathophysiology that would point toward better disease prevention and treatment.
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Affiliation(s)
- Marius N Stan
- Department of Internal Medicine, Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, Minnesota
| | | | - Carole A Warnes
- Department of Internal Medicine, Division of Cardiovascular Diseases, Mayo Clinic, Rochester, Minnesota
| | - Michael D Brennan
- Department of Internal Medicine, Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, Minnesota
| | - Prabin Thapa
- Department of Health Sciences Research, Division of Biostatistics, Mayo Clinic, Rochester, Minnesota
| | - Rebecca S Bahn
- Department of Internal Medicine, Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, Rochester, Minnesota
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20
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Khairy P. Ventricular arrhythmias and sudden cardiac death in adults with congenital heart disease. Heart 2016; 102:1703-1709. [DOI: 10.1136/heartjnl-2015-309069] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 05/09/2016] [Indexed: 11/04/2022] Open
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21
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Kinoshita S, Hayashi T, Wada K, Yamato M, Kuwahara T, Anzai T, Fujimoto M, Hosomi K, Takada M. Risk factors for amiodarone-induced thyroid dysfunction in Japan. J Arrhythm 2016; 32:474-480. [PMID: 27920832 PMCID: PMC5129120 DOI: 10.1016/j.joa.2016.03.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 03/15/2016] [Accepted: 03/24/2016] [Indexed: 11/24/2022] Open
Abstract
Background Amiodarone is associated with a number of significant adverse effects, including elevated transaminase levels, pulmonary fibrosis, arrhythmia, and thyroid dysfunction. Although thyroid dysfunction is considered to be a common and potentially serious adverse effect of amiodarone therapy, the exact pathogenesis remains unknown because of its complex manifestations. Therefore, the prevalence of, and risk factors for, amiodarone-induced thyroid dysfunction in Japanese patients were investigated in the present study. Methods A retrospective analysis of patients treated with amiodarone between January 2012 and December 2013 was performed. A total of 317 patients with euthyroidism, or subclinical hyperthyroidism or hypothyroidism, were enrolled in this study. Results After being treated with amiodarone, 30 (9.5%) and 60 patients (18.9%) developed amiodarone-induced hyperthyroidism and amiodarone-induced hypothyroidism, respectively. Ten (33.3%) patients with amiodarone-induced hyperthyroidism and 40 (66.6%) with amiodarone-induced hypothyroidism were diagnosed within two years of the initiation of amiodarone therapy. Dilated cardiomyopathy (DCM) [Adjusted odds ratio (OR) 3.30 (95% confidence interval (CI): 1.26–8.90)], and cardiac sarcoidosis [Adjusted OR 6.47 (95% CI: 1.60–25.77)] were identified as predictors of amiodarone-induced hyperthyroidism. The baseline free thyroxine (T4) level [Adjusted OR 0.13 (95% CI: 0.03–0.68)], and thyroid-stimulating hormone (TSH) level [Adjusted OR1.47 (95% CI: 1.26–1.74)] were identified as predictors of amiodarone-induced hypothyroidism. Conclusion DCM and cardiac sarcoidosis were identified as risk factors for amiodarone-induced hyperthyroidism. Risk factors for amiodarone-induced hypothyroidism included higher baseline TSH level and lower baseline free T4 level, suggesting that subclinical hypothyroidism may be a potential risk factor for the development of amiodarone-induced hypothyroidism.
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Affiliation(s)
- Sayoko Kinoshita
- Department of Pharmacy, National Cerebral and Cardiovascular Center, 5-7-1, Fujishiro-dai, Suita, Osaka 565-8565, Japan
| | - Tomohiro Hayashi
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, 5-7-1, Fujishiro-dai, Suita, Osaka 565-8565, Japan
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1, Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan
| | - Kyoichi Wada
- Department of Pharmacy, National Cerebral and Cardiovascular Center, 5-7-1, Fujishiro-dai, Suita, Osaka 565-8565, Japan
- Corresponding author. Tel.: +81 6 6833 5012; fax:+81 6 6872 8074.
| | - Mikie Yamato
- Department of Pharmacy, National Cerebral and Cardiovascular Center, 5-7-1, Fujishiro-dai, Suita, Osaka 565-8565, Japan
- Division of Clinical Drug Informatics, School of Pharmacy, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-0818, Japan
| | - Takeshi Kuwahara
- Department of Pharmacy, National Cerebral and Cardiovascular Center, 5-7-1, Fujishiro-dai, Suita, Osaka 565-8565, Japan
| | - Toshihisa Anzai
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, 5-7-1, Fujishiro-dai, Suita, Osaka 565-8565, Japan
| | - Mai Fujimoto
- Division of Clinical Drug Informatics, School of Pharmacy, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-0818, Japan
| | - Kouichi Hosomi
- Division of Clinical Drug Informatics, School of Pharmacy, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-0818, Japan
| | - Mitsutaka Takada
- Division of Clinical Drug Informatics, School of Pharmacy, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-0818, Japan
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Zhang Y, Zhang ZW, Xie YM, Wang SS, Qiu QH, Zhou YL, Zeng GH. Toxicity of nickel ions and comprehensive analysis of nickel ion-associated gene expression profiles in THP-1 cells. Mol Med Rep 2015; 12:3273-3278. [PMID: 26044615 PMCID: PMC4526064 DOI: 10.3892/mmr.2015.3878] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Accepted: 04/08/2015] [Indexed: 12/27/2022] Open
Abstract
The aim of the present study was to explore the toxic effects and underlying mechanisms of nickel ions during therapeutic nickel‑based alloy‑treatment in congenital heart disease by investigating the metal‑induced cytotoxicity to the human monocyte‑derived macrophage cell line THP‑1. THP‑1 cells were treated with NiCl2·6H2O (25, 50, 100, 200, 400 and 800 µM) for 24, 48 and 72 h, respectively. MTT was applied to detect THP‑1 cell proliferation following NiCl2 treatment. Apoptosis of THP‑1 cells was quantified using flow cytometry. Illumina sequencing was used for screening the associated genes, whose mRNA expression levels were further confirmed by quantitative real‑time polymerase chain reaction. High concentrations of nickel ions had a significant suppressive effect on cell proliferation at the three concentrations investigated (200, 400 and 800 µM). Treatment with nickel ions (25‑400 µM) for 48 h reduced cell viability in a dose‑dependent manner. The mRNA expression levels of RELB, FIGF, SPI‑1, CXCL16 and CRLF2 were significantly increased following nickel treatment. The results of the present study suggested that nickel ions exert toxic effects on THP‑1 cell growth, which may indicate toxicity of the nickel ion during treatment of congenital heart disease. The identification of genes modified by the toxic effects of nickel on THP‑1 cells (EPOR, RELB, FIGF, SPI‑1, TGF‑β1, CXCL16 and CRLF2) may aid in the development of interventional measures for the treatment/prevention of nickel ion‑associated toxic effects during the treatment of congenital heart disease.
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Affiliation(s)
- Ying Zhang
- Department of Cardiology, Guangdong Provincial Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510180, P.R. China
| | - Zhi-Wei Zhang
- Department of Pediatric Cardiology, Guangdong Provincial Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510180, P.R. China
| | - Yu-Mei Xie
- Department of Pediatric Cardiology, Guangdong Provincial Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510180, P.R. China
| | - Shu-Shui Wang
- Department of Pediatric Cardiology, Guangdong Provincial Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510180, P.R. China
| | - Qing-Huan Qiu
- Department of Pediatric Cardiology, Guangdong Provincial Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510180, P.R. China
| | - Ying-Ling Zhou
- Department of Cardiology, Guangdong Provincial Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510180, P.R. China
| | - Guo-Hong Zeng
- Department of Pediatric Cardiology, Guangdong Provincial Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510180, P.R. China
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Takeuchi D, Honda K, Shinohara T, Inai K, Toyohara K, Nakanishi T. Incidence, Clinical Course, and Risk Factors of Amiodarone-Induced Thyroid Dysfunction in Japanese Adults With Congenital Heart Disease. Circ J 2015; 79:1828-34. [PMID: 26016924 DOI: 10.1253/circj.cj-15-0042] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Although amiodarone (AMD)-induced thyroid dysfunction (AITD) is an important complication of AMD therapy, little is known about AITD in adult Japanese patients with congenital heart disease (CHD). METHODS AND RESULTS We retrospectively studied 131 adult patients with CHD who were on low-dose AMD (median, 150 mg/day). The median patient age was 28 years, and the median follow-up was 44 months. The incidence, clinical course, and risk factors of AITD, including AMD-induced thyrotoxicosis (AIT) and AMD-induced hypothyroidism (AIH), were evaluated. The total incidence of AITD was 30% (AIT: 18%, n=24; AIH: 12%, n=16). Approximately 67% of patients with AIT displayed deterioration of tachyarrhythmia, and 38% patients underwent steroid therapy. Although thyroid function and symptoms associated with AIT improved within 6 months after diagnosis in most patients with AIT (92%), 1 patient died suddenly during an acute phase of AIT. No patient with AIH exhibited deterioration of tachyarrhythmia, and 9 patients underwent thyroid hormone replacement therapy. Cox multivariate analysis identified no independent risk factor for AIT, whereas liver dysfunction (hazard ratio 2.573; 95% confidence interval 1.102-5.795) was an independent risk factor for AIH. CONCLUSIONS AITD commonly occurred in adult Japanese patients with CHD even though they were on a low-dose AMD regimen. Risk factors for AITD may vary according to ethnicity and diet.
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Affiliation(s)
- Daiji Takeuchi
- Department of Pediatric Cardiology, Tokyo Women's Medical University
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Khairy P, Van Hare GF, Balaji S, Berul CI, Cecchin F, Cohen MI, Daniels CJ, Deal BJ, Dearani JA, Groot ND, Dubin AM, Harris L, Janousek J, Kanter RJ, Karpawich PP, Perry JC, Seslar SP, Shah MJ, Silka MJ, Triedman JK, Walsh EP, Warnes CA. PACES/HRS expert consensus statement on the recognition and management of arrhythmias in adult congenital heart disease: developed in partnership between the Pediatric and Congenital Electrophysiology Society (PACES) and the Heart Rhythm Society (HRS). Endorsed by the governing bodies of PACES, HRS, the American College of Cardiology (ACC), the American Heart Association (AHA), the European Heart Rhythm Association (EHRA), the Canadian Heart Rhythm Society (CHRS), and the International Society for Adult Congenital Heart Disease (ISACHD). Can J Cardiol 2014; 30:e1-e63. [PMID: 25262867 DOI: 10.1016/j.cjca.2014.09.002] [Citation(s) in RCA: 149] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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25
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Khairy P, Van Hare GF, Balaji S, Berul CI, Cecchin F, Cohen MI, Daniels CJ, Deal BJ, Dearani JA, Groot ND, Dubin AM, Harris L, Janousek J, Kanter RJ, Karpawich PP, Perry JC, Seslar SP, Shah MJ, Silka MJ, Triedman JK, Walsh EP, Warnes CA. PACES/HRS Expert Consensus Statement on the Recognition and Management of Arrhythmias in Adult Congenital Heart Disease: developed in partnership between the Pediatric and Congenital Electrophysiology Society (PACES) and the Heart Rhythm Society (HRS). Endorsed by the governing bodies of PACES, HRS, the American College of Cardiology (ACC), the American Heart Association (AHA), the European Heart Rhythm Association (EHRA), the Canadian Heart Rhythm Society (CHRS), and the International Society for Adult Congenital Heart Disease (ISACHD). Heart Rhythm 2014; 11:e102-65. [PMID: 24814377 DOI: 10.1016/j.hrthm.2014.05.009] [Citation(s) in RCA: 371] [Impact Index Per Article: 37.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2014] [Indexed: 02/07/2023]
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Huang CJ, Chen PJ, Chang JW, Huang DF, Chang SL, Chen SA, Jap TS, Lin LY. Amiodarone-induced thyroid dysfunction in Taiwan: a retrospective cohort study. Int J Clin Pharm 2014; 36:405-11. [PMID: 24515549 DOI: 10.1007/s11096-013-9910-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Accepted: 12/27/2013] [Indexed: 11/25/2022]
Abstract
BACKGROUND The incidence and risk factors of amiodarone-induced thyroid dysfunction are variable in the literature. OBJECTIVE The aim of this study was to investigate the clinical and biochemical features and risk factors of amiodarone-induced thyroid dysfunction in Taiwan. SETTING This study was conducted at a tertiary referral center for arrhythmia. METHOD Retrospective analysis of patients treated with amiodarone during the years 2008-2009 was performed. MAIN OUTCOME MEASURE Incidence and risk factors of amiodarone-induced thyrotoxicosis (AIT) and amiodarone-induced hypothyroidism (AIH) were assessed. RESULTS Of the 527 patients, 437 (82.9 %) remained euthyroid, 21 (4.0 %) developed AIT, and 69 (13.1 %) were affected with AIH. In univariate analysis, AIT was associated with younger age, and the risk factors for AIH included older age, higher baseline thyroid stimulating hormone (TSH) titer, lower baseline free T4 level, lower cumulative amiodarone dosage, and shorter amiodarone treatment duration. Cox regression analysis was performed to determine the different risk categories in the elderly population of age 65-74 (young-old), 75-84 (old-old), and ≥85 years old (oldest-old). Additionally increased risk of AIH was found in the groups of old-old (HR 2.09, 95 % CI 1.11-3.96) and oldest-old (HR 2.57, 95 % CI 1.21-4.75). In the multivariate analysis of risk factors for AIH, baseline TSH level (HR 1.38, 95 % CI 1.12-1.70) and cumulative amiodarone dosage (HR 0.95, 95 % CI 0.93-0.97) remained statistically significant. CONCLUSION AIH was much more common than AIT in Taiwan, an area with sufficient iodine intake. Higher baseline TSH level was the predominant independent risk factor for the development of AIH.
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Affiliation(s)
- Chun-Jui Huang
- Division of Endocrinology and Metabolism, Department of Medicine, Taipei Veterans General Hospital, Taipei City, Taiwan
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