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Park CS, Choi J, Choi J, Lee KY, Ahn HJ, Kwon S, Lee SR, Choi EK, Kwak SH, Oh S. Alcohol is neither a risk factor nor a protective factor for sudden cardiac death and/or fatal ventricular arrhythmia: A population-based study with genetic traits and alcohol consumption in the UK Biobank. Heart Rhythm 2024:S1547-5271(24)02531-1. [PMID: 38697272 DOI: 10.1016/j.hrthm.2024.04.097] [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: 01/22/2024] [Revised: 04/25/2024] [Accepted: 04/27/2024] [Indexed: 05/04/2024]
Abstract
BACKGROUND The association between alcohol consumption and the risk of sudden cardiac death and/or fatal ventricular arrhythmia remains controversial. OBJECTIVE We analyzed the association between alcohol consumption, genetic traits for alcohol metabolism, and the risk of sudden cardiac death and/or fatal ventricular arrhythmia. METHODS We identified 397,164 individuals enrolled between 2006 and 2010 from the UK Biobank database and followed them until 2021. Alcohol consumption was categorized as current nondrinkers (nondrinkers and ex-drinkers), mild drinkers, moderate drinkers, or heavy drinkers. Genetic traits of alcohol metabolism were stratified according to the polygenic risk score tertiles. The primary and secondary outcomes were a composite of sudden cardiac death and fatal ventricular arrhythmia as well as their individual components. RESULTS During follow-up (median 12.5 years), 3543 cases of clinical outcomes occurred. Although mild, moderate, and heavy drinkers showed deceased risks of outcomes compared with current nondrinkers, there was no prognostic difference among nondrinkers, mild drinkers, moderate drinkers, and heavy drinkers. Ex-drinkers showed an increased risk in univariate analysis, but the significance was attenuated after adjusting covariates (hazard ratio 1.19; 95% confidence interval 0.94-1.50). As a continuous variable, alcohol consumption was not associated with clinical outcomes (hazard ratio 1.01; 95% confidence interval 0.99-1.02). Consistent with these findings, there was no association between genetic traits for alcohol metabolism and the risk of clinical outcomes. CONCLUSION Alcohol consumption was neither a protective factor nor a risk factor for sudden cardiac death or fatal ventricular arrhythmia. Genetic traits of alcohol metabolism were not associated with the clinical prognosis.
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Affiliation(s)
- Chan Soon Park
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jaewon Choi
- Division of Data Science Research, Innovative Biomedical Technology Research Institute, Seoul National University Hospital, Seoul, South Korea
| | - JungMin Choi
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Kyung-Yeon Lee
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Hyo-Jeong Ahn
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Soonil Kwon
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - So-Ryoung Lee
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Eue-Keun Choi
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea; Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea
| | - Soo Heon Kwak
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Seil Oh
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea; Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea.
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Bueno-Beti C, Johnson DC, Miles C, Westaby J, Sheppard MN, Behr ER, Asimaki A. Potential Diagnostic Role for a Combined Postmortem DNA and RNA Sequencing for Brugada Syndrome. CIRCULATION. GENOMIC AND PRECISION MEDICINE 2023; 16:e004251. [PMID: 37795608 PMCID: PMC10729895 DOI: 10.1161/circgen.122.004251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Affiliation(s)
- Carlos Bueno-Beti
- Cardiovascular Clinical Academic Group, Molecular and Clinical Research Science Institute, St George’s University of London & St George’s University Hospital NHS Foundation Trust, London, United Kingdom
| | - David C. Johnson
- Cardiovascular Clinical Academic Group, Molecular and Clinical Research Science Institute, St George’s University of London & St George’s University Hospital NHS Foundation Trust, London, United Kingdom
| | - Chris Miles
- Cardiovascular Clinical Academic Group, Molecular and Clinical Research Science Institute, St George’s University of London & St George’s University Hospital NHS Foundation Trust, London, United Kingdom
| | - Joseph Westaby
- Cardiovascular Clinical Academic Group, Molecular and Clinical Research Science Institute, St George’s University of London & St George’s University Hospital NHS Foundation Trust, London, United Kingdom
| | - Mary N. Sheppard
- Cardiovascular Clinical Academic Group, Molecular and Clinical Research Science Institute, St George’s University of London & St George’s University Hospital NHS Foundation Trust, London, United Kingdom
| | - Elijah R. Behr
- Cardiovascular Clinical Academic Group, Molecular and Clinical Research Science Institute, St George’s University of London & St George’s University Hospital NHS Foundation Trust, London, United Kingdom
| | - Angeliki Asimaki
- Cardiovascular Clinical Academic Group, Molecular and Clinical Research Science Institute, St George’s University of London & St George’s University Hospital NHS Foundation Trust, London, United Kingdom
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Hoang YTT, Nguyen YT, Nguyen HD, Le ATP, Bui HTT, Vu NP, Nguyen HH. Single Nucleotide Polymorphisms of ADH1B, ADH1C and ALDH2 Genes in 235 People Living in Thai Nguyen Province of Vietnam. Asian Pac J Cancer Prev 2022; 23:4243-4251. [PMID: 36580007 PMCID: PMC9971464 DOI: 10.31557/apjcp.2022.23.12.4243] [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: 07/27/2022] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVE ADH1B, ADH1C and ALDH2 genes are mainly responsible for alcohol metabolism in the body. Several single nucleotide polymorphisms (SNPs) of these genes have been reported to be associated with alcohol dependence and are considered risk factors for various human diseases. This study aims to identify the prevalence of three SNPs of ADH1B (rs1229984), ADH1C (rs698) and ALDH2 (rs671) in 235 unrelated individuals living in Thai Nguyen province, the northeast region of Vietnam. METHODS The target genotypes were identified by using PCR direct sequencing, and their frequencies were compared to previous reports. RESULT Our data showed that allele frequencies of ADH1B*2, ADH1C*2 and ALDH2*2 were 68.8%, 8.3% and 20.4%, respectively. The ADH1B*2 and ADH1C*2 frequencies were similar to those of the Kinh ethnic individuals living in the south region of Vietnam, while the ALDH2*2 frequency was higher. Compared to data from other countries, ADH1B*2 frequency is similar to the Philippines (60.5%) and Mongolia (62.9%) but significantly different from the other populations. The ADH1C*2 frequency is not so different compared to Japanese (5.7%) and Chinese (7.1%) but is quite different in other populations. ALDH2*2 frequency was lower than Japanese (29.3%), Indonesian (30%) and higher than other countries. Regarding the risk of alcoholism, the percentage of Vietnamese people in this study with genotypes related to alcohol dependence is 8.1%. In contrast, the carrier has genotypes protecting against alcoholism with high frequency, 91.9%. Among them, the individuals can cause high acetaldehyde accumulation accounting for 33.2%. CONCLUSION This study helps to understand the genetic polymorphisms of alcohol metabolism genes in the community living in Thai Nguyen province, northeast of Vietnam, and provides valuable scientific data relating to alcohol consumption behavior as well as public health protection.
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Affiliation(s)
- Yen Thi Thu Hoang
- Department of Genetics and Molecular Biology, Faculty of Biotechnology, Thai Nguyen University of Sciences, Thai Nguyen University, Thai Nguyen province, Vietnam
| | - Yen Thi Nguyen
- Department of Genetics and Molecular Biology, Faculty of Biotechnology, Thai Nguyen University of Sciences, Thai Nguyen University, Thai Nguyen province, Vietnam
| | - Hai Dinh Nguyen
- Department of Genetics and Molecular Biology, Faculty of Biotechnology, Thai Nguyen University of Sciences, Thai Nguyen University, Thai Nguyen province, Vietnam
| | - Anh Thi Phuong Le
- Department of Genetics and Molecular Biology, Faculty of Biotechnology, Thai Nguyen University of Sciences, Thai Nguyen University, Thai Nguyen province, Vietnam
| | - Huong Thi Thu Bui
- Department of Biochemistry, Faculty of Foundation Medicine, Thai Nguyen University of Medicine and Pharmacy, Thai Nguyen University, Thai Nguyen province,Vietnam
| | - Nhung Phuong Vu
- Genome Analysis Laboratory, Institute of Genome Research, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Ha Hai Nguyen
- Genome Analysis Laboratory, Institute of Genome Research, Vietnam Academy of Science and Technology, Hanoi, Vietnam
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Smith LD, Gast S, Guy DF. Brugada Syndrome: Fatal Consequences of a Must-Not-Miss Diagnosis. Crit Care Nurse 2021; 41:15-22. [PMID: 34595496 DOI: 10.4037/ccn2021499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND Brugada syndrome is a genetic disorder of cardiac conduction that predisposes patients to spontaneous ventricular arrhythmia and sudden cardiac death. Although Brugada syndrome is one of the most common causes of sudden cardiac death, patients presenting with the syndrome often go misdiagnosed. This error has potentially fatal consequences for patients, who are at risk for sudden cardiac death without appropriate management. OBJECTIVE To increase the critical care professional's knowledge of Brugada syndrome through detailed description of the characteristic electrocardiographic findings, an algorithmic approach to electrocardiogram evaluation, and a case report of a patient with a previously missed diagnosis of Brugada syndrome. The essential concepts of epidemiology, pathophysiology, clinical presentation, risk stratification, and management are reviewed for critical care professionals who may encounter patients with the syndrome. DIAGNOSIS Patients typically present with syncope or cardiac arrest and an abnormal electrocardiographic finding of ST-segment elevation in the precordial leads. The diagnosis of Brugada syndrome centers on identification of its electrocardiographic characteristics by critical care professionals who routinely evaluate electrocardiograms. Critical care professionals, especially nurses and advanced practice nurses, should be proficient in recognizing the electrocardiographic appearance of Brugada syndrome and initiating appropriate management. INTERVENTIONS Management strategies include prevention of sudden cardiac death through lifestyle modification and placement of an implantable cardioverter-defibrillator. Critical care professionals should be aware of commonly used medications that may exacerbate ventricular arrhythmia and place patients at risk for sudden cardiac death. CONCLUSION Increased awareness of Brugada syndrome among critical care professionals can decrease patient morbidity and mortality.
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Affiliation(s)
- L Douglas Smith
- L. Douglas Smith Jr is an acute care nurse practitioner at TriStar Centennial Medical Center, Nashville, Tennessee, and an instructor of nursing at Vanderbilt University, Nashville
| | - Sarah Gast
- Sarah Gast is an assistant professor of nursing at Vanderbilt University
| | - Danielle F Guy
- Danielle F. Guy is an adult-gerontology acute care nurse practitioner at Vanderbilt University Medical Center
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Impact of Dietary Factors on Brugada Syndrome and Long QT Syndrome. Nutrients 2021; 13:nu13082482. [PMID: 34444641 PMCID: PMC8401538 DOI: 10.3390/nu13082482] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/16/2021] [Accepted: 07/19/2021] [Indexed: 12/14/2022] Open
Abstract
A healthy regime is fundamental for the prevention of cardiovascular diseases (CVD). In inherited channelopathies, such as Brugada syndrome (BrS) and Long QT syndrome (LQTS), unfortunately, sudden cardiac death could be the first sign for patients affected by these syndromes. Several known factors are used to stratify the risk of developing cardiac arrhythmias, although none are determinative. The risk factors can be affected by adjusting lifestyle habits, such as a particular diet, impacting the risk of arrhythmogenic events and mortality. To date, the importance of understanding the relationship between diet and inherited channelopathies has been underrated. Therefore, we describe herein the effects of dietary factors on the development of arrhythmia in patients affected by BrS and LQTS. Modifying the diet might not be enough to fully prevent arrhythmias, but it can help lower the risk.
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Monasky MM, Micaglio E, Ciconte G, Pappone C. Brugada Syndrome: Oligogenic or Mendelian Disease? Int J Mol Sci 2020; 21:ijms21051687. [PMID: 32121523 PMCID: PMC7084676 DOI: 10.3390/ijms21051687] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 02/27/2020] [Accepted: 02/28/2020] [Indexed: 02/06/2023] Open
Abstract
Brugada syndrome (BrS) is diagnosed by a coved-type ST-segment elevation in the right precordial leads on the electrocardiogram (ECG), and it is associated with an increased risk of sudden cardiac death (SCD) compared to the general population. Although BrS is considered a genetic disease, its molecular mechanism remains elusive in about 70-85% of clinically-confirmed cases. Variants occurring in at least 26 different genes have been previously considered causative, although the causative effect of all but the SCN5A gene has been recently challenged, due to the lack of systematic, evidence-based evaluations, such as a variant's frequency among the general population, family segregation analyses, and functional studies. Also, variants within a particular gene can be associated with an array of different phenotypes, even within the same family, preventing a clear genotype-phenotype correlation. Moreover, an emerging concept is that a single mutation may not be enough to cause the BrS phenotype, due to the increasing number of common variants now thought to be clinically relevant. Thus, not only the complete list of genes causative of the BrS phenotype remains to be determined, but also the interplay between rare and common multiple variants. This is particularly true for some common polymorphisms whose roles have been recently re-evaluated by outstanding works, including considering for the first time ever a polygenic risk score derived from the heterozygous state for both common and rare variants. The more common a certain variant is, the less impact this variant might have on heart function. We are aware that further studies are warranted to validate a polygenic risk score, because there is no mutated gene that connects all, or even a majority, of BrS cases. For the same reason, it is currently impossible to create animal and cell line genetic models that represent all BrS cases, which would enable the expansion of studies of this syndrome. Thus, the best model at this point is the human patient population. Further studies should first aim to uncover genetic variants within individuals, as well as to collect family segregation data to identify potential genetic causes of BrS.
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Affiliation(s)
| | | | | | - Carlo Pappone
- Correspondence: ; Tel.: +39-0252-774260; Fax: +39-0252-774306
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