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He YL, Xu WX, Fang TY, Zeng M. Hyperthyroidism and severe bradycardia: Report of three cases and review of the literature. World J Clin Cases 2023; 11:1549-1559. [PMID: 36926388 PMCID: PMC10011989 DOI: 10.12998/wjcc.v11.i7.1549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 01/13/2023] [Accepted: 02/15/2023] [Indexed: 03/02/2023] Open
Abstract
BACKGROUND Hyperthyroidism often leads to tachycardia, but there are also sporadic reports of hyperthyroidism with severe bradycardia, such as sick sinus syndrome (SSS) and atrioventricular block. These disorders are a challenge for clinicians.
CASE SUMMARY We describe three cases of hyperthyroidism with SSS and found 31 similar cases in a PubMed literature search. Through the analysis of these 34 cases, we found 21 cases of atrioventricular block and 13 cases of SSS, with 67.6% of the patients experiencing bradycardia symptoms. After drug treatment, temporary pacemaker implantation, or anti-hyperthyroidism treatment, the bradycardia of 27 patients (79.4%) was relieved, and the median recovery time was 5.5 (2-8) d. Only 7 cases (20.6%) needed permanent pacemaker implantation.
CONCLUSION Patients with hyperthyroidism should be aware of the risk of severe bradycardia. In most cases, drug treatment or temporary pacemaker placement is recommended for initial treatment. If the bradycardia does not improve after 1 wk, a permanent pacemaker should be implanted.
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Affiliation(s)
- Yang-Li He
- Center of Geriatrics, Hainan General Hospital, Haikou 570311, Hainan Province, China
- Hainan Clinical Research Center for Cardiovascular Disease, Hainan General Hospital, Haikou 570311, Hainan Province, China
- Center of Geriatrics, Hainan Affiliated Hospital of Hainan Medical University, Haikou 570311, Hainan Province, China
| | - Wen-Xing Xu
- Center of Geriatrics, Hainan General Hospital, Haikou 570311, Hainan Province, China
- Hainan Clinical Research Center for Cardiovascular Disease, Hainan General Hospital, Haikou 570311, Hainan Province, China
| | - Tuan-Yu Fang
- Department of Endocrine, Hainan General Hospital, Haikou 570311, Hainan Province, China
| | - Min Zeng
- Center of Geriatrics, Hainan General Hospital, Haikou 570311, Hainan Province, China
- Hainan Clinical Research Center for Cardiovascular Disease, Hainan General Hospital, Haikou 570311, Hainan Province, China
- Center of Geriatrics, Hainan Affiliated Hospital of Hainan Medical University, Haikou 570311, Hainan Province, China
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Gorenek B, Boriani G, Dan GA, Fauchier L, Fenelon G, Huang H, Kudaiberdieva G, Lip GYH, Mahajan R, Potpara T, Ramirez JD, Vos MA, Marin F, Blomstrom-Lundqvist C, Rinaldi A, Bongiorni MG, Sciaraffia E, Nielsen JC, Lewalter T, Zhang S, Gutiérrez O, Fuenmayor A. European Heart Rhythm Association (EHRA) position paper on arrhythmia management and device therapies in endocrine disorders, endorsed by Asia Pacific Heart Rhythm Society (APHRS) and Latin American Heart Rhythm Society (LAHRS). Europace 2018; 20:895-896. [DOI: 10.1093/europace/euy051] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 02/25/2018] [Indexed: 12/18/2022] Open
Affiliation(s)
| | - Giuseppe Boriani
- Cardiology Division, Department of Diagnostics, Clinical and Public Health Medicine, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
| | - Gheorge-Andrei Dan
- University of Medicine and Pharmacy “Carol Davila”, Colentina University Hospital, Bucharest, Romania
| | - Laurent Fauchier
- Centre Hospitalier Universitaire Trousseau et Université François Rabelais, Tours, France
| | | | - He Huang
- Renmin Hospital of Wuhan University, Wuhan, China
| | | | - Gregory Y H Lip
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK
- Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Rajiv Mahajan
- The University of Adelaide, Lyell McEwin Hospital, Royal Adelaide Hospital and SAHMRI, Adelaide, Australia
| | - Tatjana Potpara
- School of Medicine, Belgrade University; Cardiology Clinic, Clinical Centre of Serbia, Belgrade, Serbia
| | | | | | | | | | | | | | | | | | | | - Shu Zhang
- Beijing Fuwai Hospital, Beijing, China
| | | | - Abdel Fuenmayor
- Electrophysiology and Arrhythmia Section, Cardiovascular Research Institute, University Hospital of The Andes, Avenida 16 de Septiembre, Mérida 5101, Venezuela
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