Prevalence and Cumulative Risk of Familial Idiopathic Dilated Cardiomyopathy

Idiopathic dilated cardiomyopathy (DCM) aggregates in families, and early detection in at-risk family members can provide opportunity to initiate treatment prior to late-phase disease. Most studies have included only White patients, yet Black patients with DCM have higher risk of heart failure-relat...

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Published in:JAMA : the journal of the American Medical Association Vol. 327; no. 5; p. 454
Main Authors: Huggins, Gordon S, Kinnamon, Daniel D, Haas, Garrie J, Jordan, Elizabeth, Hofmeyer, Mark, Kransdorf, Evan, Ewald, Gregory A, Morris, Alanna A, Owens, Anjali, Lowes, Brian, Stoller, Douglas, Tang, W H Wilson, Garg, Sonia, Trachtenberg, Barry H, Shah, Palak, Pamboukian, Salpy V, Sweitzer, Nancy K, Wheeler, Matthew T, Wilcox, Jane E, Katz, Stuart, Pan, Stephen, Jimenez, Javier, Aaronson, Keith D, Fishbein, Daniel P, Smart, Frank, Wang, Jessica, Gottlieb, Stephen S, Judge, Daniel P, Moore, Charles K, Mead, Jonathan O, Ni, Hanyu, Burke, Wylie, Hershberger, Ray E
Format: Journal Article
Language:English
Published: United States 01.02.2022
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ISSN:1538-3598, 1538-3598
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Abstract Idiopathic dilated cardiomyopathy (DCM) aggregates in families, and early detection in at-risk family members can provide opportunity to initiate treatment prior to late-phase disease. Most studies have included only White patients, yet Black patients with DCM have higher risk of heart failure-related hospitalization and death. To estimate the prevalence of familial DCM among DCM probands and the age-specific cumulative risk of DCM in first-degree relatives across race and ethnicity groups. A family-based, cross-sectional study conducted by a multisite consortium of 25 US heart failure programs. Participants included patients with DCM (probands), defined as left ventricular systolic dysfunction and left ventricular enlargement after excluding usual clinical causes, and their first-degree relatives. Enrollment commenced June 7, 2016; proband and family member enrollment concluded March 15, 2020, and April 1, 2021, respectively. The presence of DCM in a proband. Familial DCM defined by DCM in at least 1 first-degree relative; expanded familial DCM defined by the presence of DCM or either left ventricular enlargement or left ventricular systolic dysfunction without known cause in at least 1 first-degree relative. The study enrolled 1220 probands (median age, 52.8 years [IQR, 42.4-61.8]; 43.8% female; 43.1% Black and 8.3% Hispanic) and screened 1693 first-degree relatives for DCM. A median of 28% (IQR, 0%-60%) of living first-degree relatives were screened per family. The crude prevalence of familial DCM among probands was 11.6% overall. The model-based estimate of the prevalence of familial DCM among probands at a typical US advanced heart failure program if all living first-degree relatives were screened was 29.7% (95% CI, 23.5% to 36.0%) overall. The estimated prevalence of familial DCM was higher in Black probands than in White probands (difference, 11.3% [95% CI, 1.9% to 20.8%]) but did not differ significantly between Hispanic probands and non-Hispanic probands (difference, -1.4% [95% CI, -15.9% to 13.1%]). The estimated prevalence of expanded familial DCM was 56.9% (95% CI, 50.8% to 63.0%) overall. Based on age-specific disease status at enrollment, estimated cumulative risks in first-degree relatives at a typical US advanced heart failure program reached 19% (95% CI, 13% to 24%) by age 80 years for DCM and 33% (95% CI, 27% to 40%) for expanded DCM inclusive of partial phenotypes. The DCM hazard was higher in first-degree relatives of non-Hispanic Black probands than non-Hispanic White probands (hazard ratio, 1.89 [95% CI, 1.26 to 2.83]). In a US cross-sectional study, there was substantial estimated prevalence of familial DCM among probands and modeled cumulative risk of DCM among their first-degree relatives. ClinicalTrials.gov Identifier: NCT03037632.
AbstractList Idiopathic dilated cardiomyopathy (DCM) aggregates in families, and early detection in at-risk family members can provide opportunity to initiate treatment prior to late-phase disease. Most studies have included only White patients, yet Black patients with DCM have higher risk of heart failure-related hospitalization and death.ImportanceIdiopathic dilated cardiomyopathy (DCM) aggregates in families, and early detection in at-risk family members can provide opportunity to initiate treatment prior to late-phase disease. Most studies have included only White patients, yet Black patients with DCM have higher risk of heart failure-related hospitalization and death.To estimate the prevalence of familial DCM among DCM probands and the age-specific cumulative risk of DCM in first-degree relatives across race and ethnicity groups.ObjectiveTo estimate the prevalence of familial DCM among DCM probands and the age-specific cumulative risk of DCM in first-degree relatives across race and ethnicity groups.A family-based, cross-sectional study conducted by a multisite consortium of 25 US heart failure programs. Participants included patients with DCM (probands), defined as left ventricular systolic dysfunction and left ventricular enlargement after excluding usual clinical causes, and their first-degree relatives. Enrollment commenced June 7, 2016; proband and family member enrollment concluded March 15, 2020, and April 1, 2021, respectively.Design, Setting, and ParticipantsA family-based, cross-sectional study conducted by a multisite consortium of 25 US heart failure programs. Participants included patients with DCM (probands), defined as left ventricular systolic dysfunction and left ventricular enlargement after excluding usual clinical causes, and their first-degree relatives. Enrollment commenced June 7, 2016; proband and family member enrollment concluded March 15, 2020, and April 1, 2021, respectively.The presence of DCM in a proband.ExposuresThe presence of DCM in a proband.Familial DCM defined by DCM in at least 1 first-degree relative; expanded familial DCM defined by the presence of DCM or either left ventricular enlargement or left ventricular systolic dysfunction without known cause in at least 1 first-degree relative.Main Outcomes and MeasuresFamilial DCM defined by DCM in at least 1 first-degree relative; expanded familial DCM defined by the presence of DCM or either left ventricular enlargement or left ventricular systolic dysfunction without known cause in at least 1 first-degree relative.The study enrolled 1220 probands (median age, 52.8 years [IQR, 42.4-61.8]; 43.8% female; 43.1% Black and 8.3% Hispanic) and screened 1693 first-degree relatives for DCM. A median of 28% (IQR, 0%-60%) of living first-degree relatives were screened per family. The crude prevalence of familial DCM among probands was 11.6% overall. The model-based estimate of the prevalence of familial DCM among probands at a typical US advanced heart failure program if all living first-degree relatives were screened was 29.7% (95% CI, 23.5% to 36.0%) overall. The estimated prevalence of familial DCM was higher in Black probands than in White probands (difference, 11.3% [95% CI, 1.9% to 20.8%]) but did not differ significantly between Hispanic probands and non-Hispanic probands (difference, -1.4% [95% CI, -15.9% to 13.1%]). The estimated prevalence of expanded familial DCM was 56.9% (95% CI, 50.8% to 63.0%) overall. Based on age-specific disease status at enrollment, estimated cumulative risks in first-degree relatives at a typical US advanced heart failure program reached 19% (95% CI, 13% to 24%) by age 80 years for DCM and 33% (95% CI, 27% to 40%) for expanded DCM inclusive of partial phenotypes. The DCM hazard was higher in first-degree relatives of non-Hispanic Black probands than non-Hispanic White probands (hazard ratio, 1.89 [95% CI, 1.26 to 2.83]).ResultsThe study enrolled 1220 probands (median age, 52.8 years [IQR, 42.4-61.8]; 43.8% female; 43.1% Black and 8.3% Hispanic) and screened 1693 first-degree relatives for DCM. A median of 28% (IQR, 0%-60%) of living first-degree relatives were screened per family. The crude prevalence of familial DCM among probands was 11.6% overall. The model-based estimate of the prevalence of familial DCM among probands at a typical US advanced heart failure program if all living first-degree relatives were screened was 29.7% (95% CI, 23.5% to 36.0%) overall. The estimated prevalence of familial DCM was higher in Black probands than in White probands (difference, 11.3% [95% CI, 1.9% to 20.8%]) but did not differ significantly between Hispanic probands and non-Hispanic probands (difference, -1.4% [95% CI, -15.9% to 13.1%]). The estimated prevalence of expanded familial DCM was 56.9% (95% CI, 50.8% to 63.0%) overall. Based on age-specific disease status at enrollment, estimated cumulative risks in first-degree relatives at a typical US advanced heart failure program reached 19% (95% CI, 13% to 24%) by age 80 years for DCM and 33% (95% CI, 27% to 40%) for expanded DCM inclusive of partial phenotypes. The DCM hazard was higher in first-degree relatives of non-Hispanic Black probands than non-Hispanic White probands (hazard ratio, 1.89 [95% CI, 1.26 to 2.83]).In a US cross-sectional study, there was substantial estimated prevalence of familial DCM among probands and modeled cumulative risk of DCM among their first-degree relatives.Conclusions and RelevanceIn a US cross-sectional study, there was substantial estimated prevalence of familial DCM among probands and modeled cumulative risk of DCM among their first-degree relatives.ClinicalTrials.gov Identifier: NCT03037632.Trial RegistrationClinicalTrials.gov Identifier: NCT03037632.
Idiopathic dilated cardiomyopathy (DCM) aggregates in families, and early detection in at-risk family members can provide opportunity to initiate treatment prior to late-phase disease. Most studies have included only White patients, yet Black patients with DCM have higher risk of heart failure-related hospitalization and death. To estimate the prevalence of familial DCM among DCM probands and the age-specific cumulative risk of DCM in first-degree relatives across race and ethnicity groups. A family-based, cross-sectional study conducted by a multisite consortium of 25 US heart failure programs. Participants included patients with DCM (probands), defined as left ventricular systolic dysfunction and left ventricular enlargement after excluding usual clinical causes, and their first-degree relatives. Enrollment commenced June 7, 2016; proband and family member enrollment concluded March 15, 2020, and April 1, 2021, respectively. The presence of DCM in a proband. Familial DCM defined by DCM in at least 1 first-degree relative; expanded familial DCM defined by the presence of DCM or either left ventricular enlargement or left ventricular systolic dysfunction without known cause in at least 1 first-degree relative. The study enrolled 1220 probands (median age, 52.8 years [IQR, 42.4-61.8]; 43.8% female; 43.1% Black and 8.3% Hispanic) and screened 1693 first-degree relatives for DCM. A median of 28% (IQR, 0%-60%) of living first-degree relatives were screened per family. The crude prevalence of familial DCM among probands was 11.6% overall. The model-based estimate of the prevalence of familial DCM among probands at a typical US advanced heart failure program if all living first-degree relatives were screened was 29.7% (95% CI, 23.5% to 36.0%) overall. The estimated prevalence of familial DCM was higher in Black probands than in White probands (difference, 11.3% [95% CI, 1.9% to 20.8%]) but did not differ significantly between Hispanic probands and non-Hispanic probands (difference, -1.4% [95% CI, -15.9% to 13.1%]). The estimated prevalence of expanded familial DCM was 56.9% (95% CI, 50.8% to 63.0%) overall. Based on age-specific disease status at enrollment, estimated cumulative risks in first-degree relatives at a typical US advanced heart failure program reached 19% (95% CI, 13% to 24%) by age 80 years for DCM and 33% (95% CI, 27% to 40%) for expanded DCM inclusive of partial phenotypes. The DCM hazard was higher in first-degree relatives of non-Hispanic Black probands than non-Hispanic White probands (hazard ratio, 1.89 [95% CI, 1.26 to 2.83]). In a US cross-sectional study, there was substantial estimated prevalence of familial DCM among probands and modeled cumulative risk of DCM among their first-degree relatives. ClinicalTrials.gov Identifier: NCT03037632.
Author Garg, Sonia
Wilcox, Jane E
Kinnamon, Daniel D
Ewald, Gregory A
Judge, Daniel P
Haas, Garrie J
Pamboukian, Salpy V
Jordan, Elizabeth
Morris, Alanna A
Stoller, Douglas
Jimenez, Javier
Aaronson, Keith D
Fishbein, Daniel P
Moore, Charles K
Wheeler, Matthew T
Burke, Wylie
Hershberger, Ray E
Sweitzer, Nancy K
Tang, W H Wilson
Gottlieb, Stephen S
Ni, Hanyu
Lowes, Brian
Kransdorf, Evan
Pan, Stephen
Katz, Stuart
Mead, Jonathan O
Shah, Palak
Huggins, Gordon S
Hofmeyer, Mark
Wang, Jessica
Owens, Anjali
Trachtenberg, Barry H
Smart, Frank
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  surname: Huggins
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  organization: Cardiology Division, Tufts Medical Center and Tufts University School of Medicine, Boston, Massachusetts
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  surname: Kinnamon
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  organization: The Davis Heart and Lung Research Institute, The Ohio State University, Columbus
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  surname: Haas
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  organization: Division of Cardiovascular Medicine, Department of Internal Medicine, The Ohio State University, Columbus
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  givenname: Elizabeth
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  organization: The Davis Heart and Lung Research Institute, The Ohio State University, Columbus
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  organization: Medstar Research Institute, Washington Hospital Center, Washington, DC
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  organization: Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California
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  organization: Washington University in St Louis, St Louis, Missouri
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  organization: Emory University School of Medicine, Atlanta, Georgia
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  organization: University of Nebraska Medical Center, Omaha
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  organization: University of Nebraska Medical Center, Omaha
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  organization: Cleveland Clinic, Cleveland, Ohio
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  organization: University of Texas Southwestern Medical Center, Dallas
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  organization: Houston Methodist DeBakey Heart and Vascular Center, J.C. Walter Jr. Transplant Center, Houston, Texas
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  organization: Inova Heart and Vascular Institute, Falls Church, Virginia
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  organization: University of Alabama, Birmingham
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  givenname: Nancy K
  surname: Sweitzer
  fullname: Sweitzer, Nancy K
  organization: Sarver Heart Center, University of Arizona, Tucson
– sequence: 18
  givenname: Matthew T
  surname: Wheeler
  fullname: Wheeler, Matthew T
  organization: Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, California
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  organization: Northwestern University Feinberg School of Medicine, Chicago, Illinois
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  organization: New York University Langone Medical Center, New York
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  fullname: Pan, Stephen
  organization: Department of Cardiology, Westchester Medical Center and New York Medical College, Valhalla
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  fullname: Jimenez, Javier
  organization: Miami Cardiac & Vascular Institute, Baptist Health South, Miami, Florida
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  organization: University of Michigan Medical Center, Ann Arbor
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  organization: University of Washington, Seattle
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  organization: Louisiana State University Health Sciences Center, New Orleans
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  givenname: Jessica
  surname: Wang
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  organization: University of California Los Angeles Medical Center, Los Angeles
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  organization: Medical University of South Carolina, Charleston
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  organization: University of Mississippi Medical Center, Jackson
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  organization: The Davis Heart and Lung Research Institute, The Ohio State University, Columbus
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  organization: The Davis Heart and Lung Research Institute, The Ohio State University, Columbus
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  surname: Burke
  fullname: Burke, Wylie
  organization: Department of Bioethics and Humanities, University of Washington, Seattle
– sequence: 33
  givenname: Ray E
  surname: Hershberger
  fullname: Hershberger, Ray E
  organization: Division of Cardiovascular Medicine, Department of Internal Medicine, The Ohio State University, Columbus
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References 35103786 - JAMA. 2022 Feb 1;327(5):430-431. doi: 10.1001/jama.2021.23960
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Snippet Idiopathic dilated cardiomyopathy (DCM) aggregates in families, and early detection in at-risk family members can provide opportunity to initiate treatment...
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StartPage 454
SubjectTerms Adult
Age Factors
Black or African American
Black People - statistics & numerical data
Cardiomyopathy, Dilated - diagnosis
Cardiomyopathy, Dilated - epidemiology
Cardiomyopathy, Dilated - ethnology
Confidence Intervals
Cross-Sectional Studies
Early Diagnosis
Family Health - ethnology
Family Health - statistics & numerical data
Female
Hispanic or Latino - statistics & numerical data
Humans
Hypertrophy, Left Ventricular - diagnosis
Hypertrophy, Left Ventricular - epidemiology
Hypertrophy, Left Ventricular - ethnology
Male
Middle Aged
Prevalence
Racial Groups - ethnology
Racial Groups - statistics & numerical data
Risk
United States - epidemiology
Ventricular Dysfunction, Left - diagnosis
Ventricular Dysfunction, Left - epidemiology
Ventricular Dysfunction, Left - ethnology
White People - statistics & numerical data
Title Prevalence and Cumulative Risk of Familial Idiopathic Dilated Cardiomyopathy
URI https://www.ncbi.nlm.nih.gov/pubmed/35103767
https://www.proquest.com/docview/2624654023
Volume 327
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