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Sridech W, Intamul K, Saengsin K, Wiwattanadittakul N, Sittiwangkul R, Katanyuwong K, Silvilairat S, Sanguansermsri C. Cardiac dysfunctions in children with drug-resistant epilepsy. Front Neurol 2024; 15:1381293. [PMID: 38689875 PMCID: PMC11058992 DOI: 10.3389/fneur.2024.1381293] [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: 02/03/2024] [Accepted: 04/02/2024] [Indexed: 05/02/2024] Open
Abstract
Objective There were reports of cardiac dysfunction that led to sudden unexpected death in epilepsy (SUDEP) in patients with epilepsy. Early detection of cardiac dysfunction can lead to early management to prevent sudden cardiac death in these patients. The objective of our study is to assess cardiac functions in children with drug-resistant epilepsy (DRE) compared with the normal population by using a standard echocardiogram (SE), tissue Doppler imaging (TDI) and myocardial strain evaluations (MSE). Method Twenty-seven children who have been diagnosed with DRE based on the International League against Epilepsy (ILAE) were included in the study, along with 27 children whose ages match those of the normal control group. Results Seventeen children, median age 12 years old, were using more than four anti-seizure medications. Structural brain lesions were the most common cause of epilepsy, 55.6% (15). Generalized tonic-clonic seizures were the most common seizure type, 55.6% (15). Children with DRE had a lower early mitral valve E wave inflow velocity compared with the control group (p < 0.05). They also had lowered early diastolic velocities (e') and myocardial performance index (MPI) when compared with the control group (p < 0.05). There was a statistically significant difference in left ventricular myocardial strain in children with DRE, with an average of -21.1 (IQR -23.5 and -19.4) and control, -25.5 (IQR -27.3 and -24.2). Significance Children with DRE have an impairment of left ventricular diastolic function and myocardial strain, which could indicate decreased myocardial deformation and contraction compared with controls. These cardiological assessments can be used to evaluate children with DRE for early diagnosis and management of their cardiac dysfunction.
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Affiliation(s)
- Watthana Sridech
- Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Kamonchanok Intamul
- Cardiology Division, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Kwannapas Saengsin
- Cardiology Division, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | | | - Rekwan Sittiwangkul
- Cardiology Division, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Kamornwan Katanyuwong
- Neurology Division, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Suchaya Silvilairat
- Cardiology Division, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Chinnuwat Sanguansermsri
- Neurology Division, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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2
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Puckelwartz MJ, Pesce LL, Hernandez EJ, Webster G, Dellefave-Castillo LM, Russell MW, Geisler SS, Kearns SD, Karthik F, Etheridge SP, Monroe TO, Pottinger TD, Kannankeril PJ, Shoemaker MB, Fountain D, Roden DM, Faulkner M, MacLeod HM, Burns KM, Yandell M, Tristani-Firouzi M, George AL, McNally EM. The impact of damaging epilepsy and cardiac genetic variant burden in sudden death in the young. Genome Med 2024; 16:13. [PMID: 38229148 PMCID: PMC10792876 DOI: 10.1186/s13073-024-01284-w] [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: 02/22/2023] [Accepted: 01/03/2024] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND Sudden unexpected death in children is a tragic event. Understanding the genetics of sudden death in the young (SDY) enables family counseling and cascade screening. The objective of this study was to characterize genetic variation in an SDY cohort using whole genome sequencing. METHODS The SDY Case Registry is a National Institutes of Health/Centers for Disease Control and Prevention surveillance effort to discern the prevalence, causes, and risk factors for SDY. The SDY Case Registry prospectively collected clinical data and DNA biospecimens from SDY cases < 20 years of age. SDY cases were collected from medical examiner and coroner offices spanning 13 US jurisdictions from 2015 to 2019. The cohort included 211 children (median age 0.33 year; range 0-20 years), determined to have died suddenly and unexpectedly and from whom DNA biospecimens for DNA extractions and next-of-kin consent were ascertained. A control cohort consisted of 211 randomly sampled, sex- and ancestry-matched individuals from the 1000 Genomes Project. Genetic variation was evaluated in epilepsy, cardiomyopathy, and arrhythmia genes in the SDY and control cohorts. American College of Medical Genetics/Genomics guidelines were used to classify variants as pathogenic or likely pathogenic. Additionally, pathogenic and likely pathogenic genetic variation was identified using a Bayesian-based artificial intelligence (AI) tool. RESULTS The SDY cohort was 43% European, 29% African, 3% Asian, 16% Hispanic, and 9% with mixed ancestries and 39% female. Six percent of the cohort was found to harbor a pathogenic or likely pathogenic genetic variant in an epilepsy, cardiomyopathy, or arrhythmia gene. The genomes of SDY cases, but not controls, were enriched for rare, potentially damaging variants in epilepsy, cardiomyopathy, and arrhythmia-related genes. A greater number of rare epilepsy genetic variants correlated with younger age at death. CONCLUSIONS While damaging cardiomyopathy and arrhythmia genes are recognized contributors to SDY, we also observed an enrichment in epilepsy-related genes in the SDY cohort and a correlation between rare epilepsy variation and younger age at death. These findings emphasize the importance of considering epilepsy genes when evaluating SDY.
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Affiliation(s)
- Megan J Puckelwartz
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
| | - Lorenzo L Pesce
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | | | - Gregory Webster
- Division of Cardiology, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA
| | | | - Mark W Russell
- Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
| | - Sarah S Geisler
- Department of Pediatrics, University of Michigan, Ann Arbor, MI, USA
| | - Samuel D Kearns
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Felix Karthik
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Susan P Etheridge
- Division of Pediatric Cardiology, University of Utah, Salt Lake City, UT, USA
| | - Tanner O Monroe
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Tess D Pottinger
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Prince J Kannankeril
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - M Benjamin Shoemaker
- Department of Medicine, Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Darlene Fountain
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Dan M Roden
- Departments of Medicine, Pharmacology, and Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN, USA
| | | | | | - Kristin M Burns
- Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Mark Yandell
- Department of Human Genetics, University of Utah, Salt Lake City, UT, USA
| | | | - Alfred L George
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Elizabeth M McNally
- Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
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3
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Rohrer CT, Lager AM, Brooks EG, Horner VL. Postmortem genetic testing in sudden unexplained death: A public health laboratory experience. J Forensic Sci 2023; 68:2065-2075. [PMID: 37614113 DOI: 10.1111/1556-4029.15366] [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] [Received: 04/10/2023] [Revised: 08/08/2023] [Accepted: 08/14/2023] [Indexed: 08/25/2023]
Abstract
Sudden unexplained death in the young poses a diagnostically challenging situation for practicing autopsy pathologists, especially in the absence of anatomic and toxicological findings. Postmortem genetic testing may identify pathogenic variants in the deceased of such cases, including those associated with arrhythmogenic channelopathies and cardiomyopathies. The Wisconsin State Laboratory of Hygiene (WSLH) is a state-run public health laboratory which performs postmortem genetic testing at no cost to Wisconsin medical examiners and coroners. The current study examines sequencing data from 18 deceased patients (ages 2 months to 49 years, 5 females) submitted to WSLH, from 2016 to 2021. Panel-based analysis was performed on 10 cases, and whole exome sequencing was performed on the most recent 8 cases. Genetic variants were identified in 14 of 18 decedents (77.8%), including 7 with pathogenic or likely pathogenic variants (38.9%). Whole exome sequencing was more likely to yield a positive result, more variants per decedent, and a larger number of variants of uncertain significance. While panel-based testing may offer definitive pathogenic variants in some cases, less frequent variants may be excluded. Whole exome testing may identify rare variants missed by panels, but increased yield of variants of uncertain significance may be difficult to interpret. Postmortem genetic testing in young decedents of sudden unexplained death can provide invaluable information to autopsy pathologists to establish accurate cause and manner of death and to decedent's relatives to allow appropriate management. A public health laboratory model may be a financially advisable alternative to commercial laboratories for medical examiner's/coroner's offices.
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Affiliation(s)
- Charles T Rohrer
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Angela M Lager
- Department of Pathology, University of Chicago, Chicago, Illinois, USA
| | - Erin G Brooks
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Vanessa L Horner
- Department of Pathology and Laboratory Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
- Wisconsin State Laboratory of Hygiene, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
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4
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Giussani G, Falcicchio G, La Neve A, Costagliola G, Striano P, Scarabello A, Mostacci B, Beghi E. Sudden unexpected death in epilepsy: A critical view of the literature. Epilepsia Open 2023; 8:728-757. [PMID: 36896633 PMCID: PMC10472423 DOI: 10.1002/epi4.12722] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 03/04/2023] [Indexed: 03/11/2023] Open
Abstract
Sudden unexpected death in epilepsy (SUDEP) is a sudden, unexpected, witnessed or unwitnessed, non-traumatic and non-drowning death, occurring in benign circumstances, in an individual with epilepsy, with or without evidence for a seizure and excluding documented status epilepticus in which postmortem examination does not reveal other causes of death. Lower diagnostic levels are assigned when cases met most or all of these criteria, but data suggested more than one possible cause of death. The incidence of SUDEP ranged from 0.09 to 2.4 per 1000 person-years. Differences can be attributed to the age of the study populations (with peaks in the 20-40-year age group) and the severity of the disease. Young age, disease severity (in particular, a history of generalized TCS), having symptomatic epilepsy, and the response to antiseizure medications (ASMs) are possible independent predictors of SUDEP. The pathophysiological mechanisms are not fully known due to the limited data available and because SUDEP is not always witnessed and has been electrophysiologically monitored only in a few cases with simultaneous assessment of respiratory, cardiac, and brain activity. The pathophysiological basis of SUDEP may vary according to different circumstances that make that particular seizure, in that specific moment and in that patient, a fatal event. The main hypothesized mechanisms, which could contribute to a cascade of events, are cardiac dysfunction (included potential effects of ASMs, genetically determined channelopathies, acquired heart diseases), respiratory dysfunction (included postictal arousal deficit for the respiratory mechanism, acquired respiratory diseases), neuromodulator dysfunction, postictal EEG depression and genetic factors.
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Affiliation(s)
- Giorgia Giussani
- Laboratory of Neurological Disorders, Mario Negri Institute for Pharmacological Research IRCCSMilanItaly
| | - Giovanni Falcicchio
- Department of Basic Medical Sciences, Neurosciences and Sense OrgansUniversity of BariBariItaly
| | - Angela La Neve
- Department of Basic Medical Sciences, Neurosciences and Sense OrgansUniversity of BariBariItaly
| | | | - Pasquale Striano
- IRCCS Istituto “Giannina Gaslini”GenovaItaly
- Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child HealthUniversity of GenovaGenovaItaly
| | - Anna Scarabello
- IRCCS Istituto delle Scienze Neurologiche di BolognaBolognaItaly
| | - Barbara Mostacci
- IRCCS Istituto delle Scienze Neurologiche di BolognaBolognaItaly
| | - Ettore Beghi
- Laboratory of Neurological Disorders, Mario Negri Institute for Pharmacological Research IRCCSMilanItaly
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5
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Puckelwartz MJ, Pesce LL, Hernandez EJ, Webster G, Dellefave-Castillo LM, Russell MW, Geisler SS, Kearns SD, Etheridge FK, Etheridge SP, Monroe TO, Pottinger TD, Kannankeril PJ, Shoemaker MB, Fountain D, Roden DM, MacLeod H, Burns KM, Yandell M, Tristani-Firouzi M, George AL, McNally EM. The impact of damaging epilepsy and cardiac genetic variant burden in sudden death in the young. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.03.27.23287711. [PMID: 37034657 PMCID: PMC10081419 DOI: 10.1101/2023.03.27.23287711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Background Sudden unexpected death in children is a tragic event. Understanding the genetics of sudden death in the young (SDY) enables family counseling and cascade screening. The objective of this study was to characterize genetic variation in an SDY cohort using whole genome sequencing. Methods The SDY Case Registry is a National Institutes of Health/Centers for Disease Control surveillance effort to discern the prevalence, causes, and risk factors for SDY. The SDY Case Registry prospectively collected clinical data and DNA biospecimens from SDY cases <20 years of age. SDY cases were collected from medical examiner and coroner offices spanning 13 US jurisdictions from 2015-2019. The cohort included 211 children (mean age 1 year; range 0-20 years), determined to have died suddenly and unexpectedly and in whom DNA biospecimens and next-of-kin consent were ascertained. A control cohort consisted of 211 randomly sampled, sex-and ancestry-matched individuals from the 1000 Genomes Project. Genetic variation was evaluated in epilepsy, cardiomyopathy and arrhythmia genes in the SDY and control cohorts. American College of Medical Genetics/Genomics guidelines were used to classify variants as pathogenic or likely pathogenic. Additionally, genetic variation predicted to be damaging was identified using a Bayesian-based artificial intelligence (AI) tool. Results The SDY cohort was 42% European, 30% African, 17% Hispanic, and 11% with mixed ancestries, and 39% female. Six percent of the cohort was found to harbor a pathogenic or likely pathogenic genetic variant in an epilepsy, cardiomyopathy or arrhythmia gene. The genomes of SDY cases, but not controls, were enriched for rare, damaging variants in epilepsy, cardiomyopathy and arrhythmia-related genes. A greater number of rare epilepsy genetic variants correlated with younger age at death. Conclusions While damaging cardiomyopathy and arrhythmia genes are recognized contributors to SDY, we also observed an enrichment in epilepsy-related genes in the SDY cohort, and a correlation between rare epilepsy variation and younger age at death. These findings emphasize the importance of considering epilepsy genes when evaluating SDY.
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6
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Abbas R, Abbas A, Khan TK, Sharjeel S, Amanullah K, Irshad Y. Sudden Cardiac Death in Young Individuals: A Current Review of Evaluation, Screening and Prevention. J Clin Med Res 2023; 15:1-9. [PMID: 36755763 PMCID: PMC9881489 DOI: 10.14740/jocmr4823] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 01/04/2023] [Indexed: 01/26/2023] Open
Abstract
Sudden cardiac death (SCD) can affect all age groups, including young persons. While less common in the age < 35 population, the occurrence of SCD in the young raises concern, with multiple possible etiologies and often unanswered questions. While coronary artery disease is the leading cause in those > 35 years of age, the younger population faces a different subset of pathologies associated with SCD, including arrhythmias and cardiomyopathies. The tragic nature of SCD in the young entails that we explore and implement available screening methods for this population, and perform the necessary investigations such as electrocardiography (ECG) and echocardiography. In this review, we not only explore the vast etiology associated with SCD in those age < 35, but emphasize evaluation methods, who is at risk, and delve into screening of SCD in potential victims and their family members, in an attempt to prevent this traumatic event. Future research must work towards establishing preventative measures in order to reduce SCD, particularly unexplained SCD in the young.
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Affiliation(s)
- Ramsha Abbas
- Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, KY, USA,Corresponding Author: Ramsha Abbas, Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, KY, USA.
| | - Aiza Abbas
- Medical College, Aga Khan University, Karachi, Sindh, Pakistan
| | - Talha Kamran Khan
- Shifa College of Medicine, Shifa Tameer-e-Millat University, Islamabad, Pakistan
| | - Salal Sharjeel
- Dow Medical College, Dow University of Health Sciences, Karachi, Sindh, Pakistan
| | - Khadija Amanullah
- Medical College, National University of Medical Sciences, Rawalpindi, Punjab, Pakistan
| | - Yusra Irshad
- Division of Infectious Diseases, Department of Medicine, University of Louisville, Louisville, KY, USA
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7
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Stiles MK, Wilde AAM, Abrams DJ, Ackerman MJ, Albert CM, Behr ER, Chugh SS, Cornel MC, Gardner K, Ingles J, James CA, Juang JMJ, Kääb S, Kaufman ES, Krahn AD, Lubitz SA, MacLeod H, Morillo CA, Nademanee K, Probst V, Saarel EV, Sacilotto L, Semsarian C, Sheppard MN, Shimizu W, Skinner JR, Tfelt-Hansen J, Wang DW. 2020 APHRS/HRS expert consensus statement on the investigation of decedents with sudden unexplained death and patients with sudden cardiac arrest, and of their families. J Arrhythm 2021; 37:481-534. [PMID: 34141003 PMCID: PMC8207384 DOI: 10.1002/joa3.12449] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 10/14/2020] [Indexed: 12/26/2022] Open
Abstract
This international multidisciplinary document intends to provide clinicians with evidence-based practical patient-centered recommendations for evaluating patients and decedents with (aborted) sudden cardiac arrest and their families. The document includes a framework for the investigation of the family allowing steps to be taken, should an inherited condition be found, to minimize further events in affected relatives. Integral to the process is counseling of the patients and families, not only because of the emotionally charged subject, but because finding (or not finding) the cause of the arrest may influence management of family members. The formation of multidisciplinary teams is essential to provide a complete service to the patients and their families, and the varied expertise of the writing committee was formulated to reflect this need. The document sections were divided up and drafted by the writing committee members according to their expertise. The recommendations represent the consensus opinion of the entire writing committee, graded by Class of Recommendation and Level of Evidence. The recommendations were opened for public comment and reviewed by the relevant scientific and clinical document committees of the Asia Pacific Heart Rhythm Society (APHRS) and the Heart Rhythm Society (HRS); the document underwent external review and endorsement by the partner and collaborating societies. While the recommendations are for optimal care, it is recognized that not all resources will be available to all clinicians. Nevertheless, this document articulates the evaluation that the clinician should aspire to provide for patients with sudden cardiac arrest, decedents with sudden unexplained death, and their families.
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Affiliation(s)
- Martin K Stiles
- Waikato Clinical School Faculty of Medicine and Health Science The University of Auckland Hamilton New Zealand
| | - Arthur A M Wilde
- Heart Center Department of Clinical and Experimental Cardiology Amsterdam University Medical Center University of Amsterdam Amsterdam the Netherlands
| | | | | | | | - Elijah R Behr
- Cardiovascular Clinical Academic Group, Molecular and Clinical Sciences Institute St George's University of London, and St George's University Hospitals NHS Foundation Trust London UK
| | | | - Martina C Cornel
- Amsterdam University Medical Center Vrije Universiteit Amsterdam Clinical Genetics Amsterdam Public Health Research Institute Amsterdam the Netherlands
| | | | - Jodie Ingles
- Agnes Ginges Centre for Molecular Cardiology at Centenary Institute The University of Sydney Sydney Australia
| | | | - Jyh-Ming Jimmy Juang
- Cardiovascular Center and Division of Cardiology Department of Internal Medicine National Taiwan University Hospital and National Taiwan University College of Medicine Taipei Taiwan
| | - Stefan Kääb
- Department of Medicine I University Hospital LMU Munich Munich Germany
| | | | | | | | - Heather MacLeod
- Data Coordinating Center for the Sudden Death in the Young Case Registry Okemos MI USA
| | | | - Koonlawee Nademanee
- Chulalongkorn University Faculty of Medicine, and Pacific Rim Electrophysiology Research Institute at Bumrungrad Hospital Bangkok Thailand
| | | | - Elizabeth V Saarel
- Cleveland Clinic Lerner College of Cardiology at Case Western Reserve University Cleveland OH USA
- St Luke's Medical Center Boise ID USA
| | - Luciana Sacilotto
- Heart Institute University of São Paulo Medical School São Paulo Brazil
| | - Christopher Semsarian
- Agnes Ginges Centre for Molecular Cardiology at Centenary Institute The University of Sydney Sydney Australia
| | - Mary N Sheppard
- Cardiovascular Clinical Academic Group, Molecular and Clinical Sciences Institute St George's University of London, and St George's University Hospitals NHS Foundation Trust London UK
| | - Wataru Shimizu
- Department of Cardiovascular Medicine Nippon Medical School Tokyo Japan
| | | | - Jacob Tfelt-Hansen
- Department of Forensic Medicine Faculty of Medical Sciences Rigshospitalet Copenhagen Denmark
| | - Dao Wu Wang
- The First Affiliated Hospital of Nanjing Medical University Nanjing China
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8
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Parks SE, Erck Lambert AB, Hauck FR, Cottengim CR, Faulkner M, Shapiro-Mendoza CK. Explaining Sudden Unexpected Infant Deaths, 2011-2017. Pediatrics 2021; 147:e2020035873. [PMID: 33906930 PMCID: PMC8132195 DOI: 10.1542/peds.2020-035873] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/15/2021] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Sudden unexpected infant death (SUID) represents a broad group of explained and unexplained infant deaths (<1 year old). Explaining why SUID occurs is critical to understanding etiology and prevention. Death certificate data cannot differentiate explained from unexplained SUID cases nor describe the surrounding circumstances. We report SUID rates by explained and unexplained categories and describe demographics and history of recent injury or illness using the Centers for Disease Control and Prevention SUID Case Registry. METHODS The registry is a population-based surveillance system built on Child Death Review programs. Data are derived from multiple sources, including death certificates, scene investigations, and autopsy reports. Cases included SUIDs reported by states or jurisdictions participating in the registry during 2011-2017. Cases were classified into explained and unexplained categories by using the registry's classification system. Frequencies, percentages, and mortality rates per 100 000 live births were calculated. RESULTS Of the 4929 SUID cases, 82% were categorized as unexplained. Among all cases, 73% had complete case information. Most SUIDs (72%) occurred in an unsafe sleep environment. The SUID mortality rate was 97.3 per 100 000 live births. Among explained and possible suffocation deaths, ∼75% resulted from airway obstruction attributed to soft bedding. CONCLUSIONS Unsafe sleep factors were common in explained and unexplained SUID cases, but deaths could only be classified as explained suffocation for ∼20% of cases. Further analysis of unexplained deaths, including continued improvements to death scene investigation and documentation, may generate hypotheses for physiologic and genetic research, advance our understanding of gaps in SUID investigation, and enhance our understanding of infants at highest risk.
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Affiliation(s)
- Sharyn E Parks
- Division of Reproductive Health, Centers for Disease Control and Prevention, Atlanta, Georgia;
| | | | - Fern R Hauck
- Department of Family Medicine, University of Virginia, Charlottesville, Virginia; and
| | - Carri R Cottengim
- Division of Reproductive Health, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Meghan Faulkner
- Center for National Prevention Initiatives, Michigan Public Health Institute, Okemos, Michigan
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9
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Stiles MK, Wilde AAM, Abrams DJ, Ackerman MJ, Albert CM, Behr ER, Chugh SS, Cornel MC, Gardner K, Ingles J, James CA, Jimmy Juang JM, Kääb S, Kaufman ES, Krahn AD, Lubitz SA, MacLeod H, Morillo CA, Nademanee K, Probst V, Saarel EV, Sacilotto L, Semsarian C, Sheppard MN, Shimizu W, Skinner JR, Tfelt-Hansen J, Wang DW. 2020 APHRS/HRS expert consensus statement on the investigation of decedents with sudden unexplained death and patients with sudden cardiac arrest, and of their families. Heart Rhythm 2021; 18:e1-e50. [PMID: 33091602 PMCID: PMC8194370 DOI: 10.1016/j.hrthm.2020.10.010] [Citation(s) in RCA: 136] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 10/09/2020] [Indexed: 12/13/2022]
Abstract
This international multidisciplinary document intends to provide clinicians with evidence-based practical patient-centered recommendations for evaluating patients and decedents with (aborted) sudden cardiac arrest and their families. The document includes a framework for the investigation of the family allowing steps to be taken, should an inherited condition be found, to minimize further events in affected relatives. Integral to the process is counseling of the patients and families, not only because of the emotionally charged subject, but because finding (or not finding) the cause of the arrest may influence management of family members. The formation of multidisciplinary teams is essential to provide a complete service to the patients and their families, and the varied expertise of the writing committee was formulated to reflect this need. The document sections were divided up and drafted by the writing committee members according to their expertise. The recommendations represent the consensus opinion of the entire writing committee, graded by Class of Recommendation and Level of Evidence. The recommendations were opened for public comment and reviewed by the relevant scientific and clinical document committees of the Asia Pacific Heart Rhythm Society (APHRS) and the Heart Rhythm Society (HRS); the document underwent external review and endorsement by the partner and collaborating societies. While the recommendations are for optimal care, it is recognized that not all resources will be available to all clinicians. Nevertheless, this document articulates the evaluation that the clinician should aspire to provide for patients with sudden cardiac arrest, decedents with sudden unexplained death, and their families.
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Affiliation(s)
- Martin K Stiles
- Waikato Clinical School, Faculty of Medicine and Health Science, The University of Auckland, Hamilton, New Zealand
| | - Arthur A M Wilde
- Amsterdam University Medical Center, University of Amsterdam, Heart Center, Department of Clinical and Experimental Cardiology, Amsterdam, the Netherlands
| | | | | | | | - Elijah R Behr
- Cardiovascular Clinical Academic Group, Molecular and Clinical Sciences Institute, St George's, University of London, and St George's University Hospitals NHS Foundation Trust, London, United Kingdom
| | - Sumeet S Chugh
- Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Martina C Cornel
- Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Clinical Genetics, Amsterdam Public Health Research Institute, Amsterdam, the Netherlands
| | | | - Jodie Ingles
- Agnes Ginges Centre for Molecular Cardiology at Centenary Institute, The University of Sydney, Sydney, Australia
| | | | - Jyh-Ming Jimmy Juang
- Cardiovascular Center and Division of Cardiology, Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Stefan Kääb
- Department of Medicine I, University Hospital, LMU Munich, Munich, Germany
| | | | - Andrew D Krahn
- The University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Heather MacLeod
- Data Coordinating Center for the Sudden Death in the Young Case Registry, Okemos, Michigan, USA
| | | | - Koonlawee Nademanee
- Chulalongkorn University, Faculty of Medicine, and Pacific Rim Electrophysiology Research Institute at Bumrungrad Hospital, Bangkok, Thailand
| | | | - Elizabeth V Saarel
- Cleveland Clinic Lerner College of Cardiology at Case Western Reserve University, Cleveland, Ohio, and St Luke's Medical Center, Boise, Idaho, USA
| | - Luciana Sacilotto
- Heart Institute, University of São Paulo Medical School, São Paulo, Brazil
| | - Christopher Semsarian
- Agnes Ginges Centre for Molecular Cardiology at Centenary Institute, The University of Sydney, Sydney, Australia
| | - Mary N Sheppard
- Cardiovascular Clinical Academic Group, Molecular and Clinical Sciences Institute, St George's, University of London, and St George's University Hospitals NHS Foundation Trust, London, United Kingdom
| | - Wataru Shimizu
- Department of Cardiovascular Medicine, Nippon Medical School, Tokyo, Japan
| | - Jonathan R Skinner
- Cardiac Inherited Disease Group, Starship Hospital, Auckland, New Zealand
| | - Jacob Tfelt-Hansen
- Department of Forensic Medicine, Faculty of Medical Sciences, Rigshospitalet, Copenhagen, Denmark
| | - Dao Wu Wang
- The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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