Diastolic wall strain is associated with incident heart failure in African Americans: Insights from the atherosclerosis risk in communities study

Daisuke Kamimura, Takeki Suzuki, Michael E. Hall, Wanmei Wang, Michael D. Winniford, Amil M. Shah, Carlos J. Rodriguez, Kenneth R. Butler, Thomas H. Mosley

Research output: Contribution to journalArticle

Abstract

Background: Increased left ventricular (LV) myocardial stiffness may be associated with impaired LV hemodynamics and incident heart failure (HF). However, an indicator that estimates LV myocardial stiffness easily and non-invasively is lacking. The purpose of this study was to determine whether diastolic wall strain (DWS), an echocardiographic estimator of LV myocardial stiffness, is associated with incident HF in a middle-aged community-based cohort of African Americans. Methods and results: We investigated associations between DWS and incident HF among 1528 African Americans (mean age 58.5 years, 66% women) with preserved LV ejection fraction (EF ≥50%) and without a history of cardiovascular disease in the Atherosclerosis Risk in Communities Study. Participants with the smallest DWS quintile (more LV myocardial stiffness) had a higher LV mass index, higher relative wall thickness, and lower arterial compliance than those in the larger four DWS quintiles (p < 0.01 for all). Over a mean follow-up of 15.6 years, there were 251 incident HF events (incidence rate: 10.9 per 1000 person-years). After adjustment for traditional risk factors and incident coronary artery disease, both continuous and categorical DWS were independently associated with incident HF (HR 1.21, 95%CI 1.04–1.41 for 0.1 decrease in continuous DWS, p = 0.014, HR 1.40, 95%CI 1.05–1.87 for the smallest DWS quintile vs other combined quintiles, p = 0.022). Conclusions: DWS was independently associated with an increased risk of incident HF in a community-based cohort of African Americans. DWS could be used as a qualitative estimator of LV myocardial stiffness.

Original languageEnglish (US)
Pages (from-to)477-483
Number of pages7
JournalJournal of Cardiology
Volume71
Issue number5
DOIs
StatePublished - May 2018
Externally publishedYes

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African Americans
Atherosclerosis
Heart Failure
Stroke Volume
Compliance
Coronary Artery Disease
Cardiovascular Diseases
Hemodynamics
Incidence

Keywords

  • Echocardiography
  • Incident heart failure
  • Myocardial stiffness

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Diastolic wall strain is associated with incident heart failure in African Americans : Insights from the atherosclerosis risk in communities study. / Kamimura, Daisuke; Suzuki, Takeki; Hall, Michael E.; Wang, Wanmei; Winniford, Michael D.; Shah, Amil M.; Rodriguez, Carlos J.; Butler, Kenneth R.; Mosley, Thomas H.

In: Journal of Cardiology, Vol. 71, No. 5, 05.2018, p. 477-483.

Research output: Contribution to journalArticle

Kamimura, Daisuke ; Suzuki, Takeki ; Hall, Michael E. ; Wang, Wanmei ; Winniford, Michael D. ; Shah, Amil M. ; Rodriguez, Carlos J. ; Butler, Kenneth R. ; Mosley, Thomas H. / Diastolic wall strain is associated with incident heart failure in African Americans : Insights from the atherosclerosis risk in communities study. In: Journal of Cardiology. 2018 ; Vol. 71, No. 5. pp. 477-483.
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abstract = "Background: Increased left ventricular (LV) myocardial stiffness may be associated with impaired LV hemodynamics and incident heart failure (HF). However, an indicator that estimates LV myocardial stiffness easily and non-invasively is lacking. The purpose of this study was to determine whether diastolic wall strain (DWS), an echocardiographic estimator of LV myocardial stiffness, is associated with incident HF in a middle-aged community-based cohort of African Americans. Methods and results: We investigated associations between DWS and incident HF among 1528 African Americans (mean age 58.5 years, 66{\%} women) with preserved LV ejection fraction (EF ≥50{\%}) and without a history of cardiovascular disease in the Atherosclerosis Risk in Communities Study. Participants with the smallest DWS quintile (more LV myocardial stiffness) had a higher LV mass index, higher relative wall thickness, and lower arterial compliance than those in the larger four DWS quintiles (p < 0.01 for all). Over a mean follow-up of 15.6 years, there were 251 incident HF events (incidence rate: 10.9 per 1000 person-years). After adjustment for traditional risk factors and incident coronary artery disease, both continuous and categorical DWS were independently associated with incident HF (HR 1.21, 95{\%}CI 1.04–1.41 for 0.1 decrease in continuous DWS, p = 0.014, HR 1.40, 95{\%}CI 1.05–1.87 for the smallest DWS quintile vs other combined quintiles, p = 0.022). Conclusions: DWS was independently associated with an increased risk of incident HF in a community-based cohort of African Americans. DWS could be used as a qualitative estimator of LV myocardial stiffness.",
keywords = "Echocardiography, Incident heart failure, Myocardial stiffness",
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T1 - Diastolic wall strain is associated with incident heart failure in African Americans

T2 - Insights from the atherosclerosis risk in communities study

AU - Kamimura, Daisuke

AU - Suzuki, Takeki

AU - Hall, Michael E.

AU - Wang, Wanmei

AU - Winniford, Michael D.

AU - Shah, Amil M.

AU - Rodriguez, Carlos J.

AU - Butler, Kenneth R.

AU - Mosley, Thomas H.

PY - 2018/5

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N2 - Background: Increased left ventricular (LV) myocardial stiffness may be associated with impaired LV hemodynamics and incident heart failure (HF). However, an indicator that estimates LV myocardial stiffness easily and non-invasively is lacking. The purpose of this study was to determine whether diastolic wall strain (DWS), an echocardiographic estimator of LV myocardial stiffness, is associated with incident HF in a middle-aged community-based cohort of African Americans. Methods and results: We investigated associations between DWS and incident HF among 1528 African Americans (mean age 58.5 years, 66% women) with preserved LV ejection fraction (EF ≥50%) and without a history of cardiovascular disease in the Atherosclerosis Risk in Communities Study. Participants with the smallest DWS quintile (more LV myocardial stiffness) had a higher LV mass index, higher relative wall thickness, and lower arterial compliance than those in the larger four DWS quintiles (p < 0.01 for all). Over a mean follow-up of 15.6 years, there were 251 incident HF events (incidence rate: 10.9 per 1000 person-years). After adjustment for traditional risk factors and incident coronary artery disease, both continuous and categorical DWS were independently associated with incident HF (HR 1.21, 95%CI 1.04–1.41 for 0.1 decrease in continuous DWS, p = 0.014, HR 1.40, 95%CI 1.05–1.87 for the smallest DWS quintile vs other combined quintiles, p = 0.022). Conclusions: DWS was independently associated with an increased risk of incident HF in a community-based cohort of African Americans. DWS could be used as a qualitative estimator of LV myocardial stiffness.

AB - Background: Increased left ventricular (LV) myocardial stiffness may be associated with impaired LV hemodynamics and incident heart failure (HF). However, an indicator that estimates LV myocardial stiffness easily and non-invasively is lacking. The purpose of this study was to determine whether diastolic wall strain (DWS), an echocardiographic estimator of LV myocardial stiffness, is associated with incident HF in a middle-aged community-based cohort of African Americans. Methods and results: We investigated associations between DWS and incident HF among 1528 African Americans (mean age 58.5 years, 66% women) with preserved LV ejection fraction (EF ≥50%) and without a history of cardiovascular disease in the Atherosclerosis Risk in Communities Study. Participants with the smallest DWS quintile (more LV myocardial stiffness) had a higher LV mass index, higher relative wall thickness, and lower arterial compliance than those in the larger four DWS quintiles (p < 0.01 for all). Over a mean follow-up of 15.6 years, there were 251 incident HF events (incidence rate: 10.9 per 1000 person-years). After adjustment for traditional risk factors and incident coronary artery disease, both continuous and categorical DWS were independently associated with incident HF (HR 1.21, 95%CI 1.04–1.41 for 0.1 decrease in continuous DWS, p = 0.014, HR 1.40, 95%CI 1.05–1.87 for the smallest DWS quintile vs other combined quintiles, p = 0.022). Conclusions: DWS was independently associated with an increased risk of incident HF in a community-based cohort of African Americans. DWS could be used as a qualitative estimator of LV myocardial stiffness.

KW - Echocardiography

KW - Incident heart failure

KW - Myocardial stiffness

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