Subclinical and clinical correlates of left ventricular wall motion abnormalities in the community.
The prevalence and clinical correlates of left ventricular (LV) wall motion abnormalities (WMAs), associated with morbidity and mortality, have not been well-characterized in the population. Framingham Heart Study Offspring Cohort participants (n = 1,794, 844 men, age 65 ± 9 years) underwent cine cardiovascular magnetic resonance for evaluation of LV function. A subset (n = 1,009, 460 men) underwent cardiac multidetector computed tomography for analysis of coronary artery calcium. The presence of coronary heart disease and heart failure (CHD-HF) were assessed in relation to the presence of WMAs. WMAs were present in 117 participants (6.5%) and were associated with male gender, elevated hemoglobin A1c, LV mass, LV end-diastolic volume, and lower LV ejection fraction. Of the 1,637 participants without CHD-HF, 68 (4.2%) had WMAs. In this group, WMAs were associated with obesity, hypertension, and Framingham coronary heart disease risk score in the age- and gender-adjusted analyses and were associated with male gender and hypertension on multivariate analysis. Most subjects with WMAs were in the greatest coronary artery calcium groups. The presence of coronary artery calcium greater than the seventy-fifth percentile and Agatston score >100 were associated with a greater than twofold risk of WMAs in the age- and gender-adjusted analysis but were no longer significant when additionally adjusted for CHD-HF. Previous Q-wave myocardial infarction was present in 29% of the 117 participants with WMAs. In conclusion, in the present longitudinally followed free-living population, 4.2% of the participants without CHD-HF had WMAs. WMAs were associated with the clinical parameters associated with cardiovascular disease risk. Aggressive risk factor modification may be prudent for subjects with WMAs, particularly those free of clinical CHD-HF.
Harvard-Thorndike Laboratory, Boston, MA, USA.
Connie W
CW
Tsao
Philimon
P
Gona
Carol
C
Salton
Peter G
PG
Danias
Susan
S
Blease
Udo
U
Hoffmann
Caroline S
CS
Fox
Mark
M
Albert
Daniel
D
Levy
Christopher J
CJ
O'Donnell
Warren J
WJ
Manning
Susan B
SB
Yeon
D000368:Aged; D002114:Calcinosis / Q000453:epidemiology / Q000503:physiopathology; D015897:Comorbidity; D003327:Coronary Disease / Q000175:diagnosis / Q000453:epidemiology / Q000503:physiopathology; D004452:Echocardiography; D005260:Female; D006333:Heart Failure / Q000175:diagnosis / Q000453:epidemiology / Q000503:physiopathology; D006801:Humans; D008137:Longitudinal Studies; D019028:Magnetic Resonance Imaging, Cine; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D012307:Risk Factors; D012737:Sex Factors; D014057:Tomography, X-Ray Computed; D014481:United States / Q000453:epidemiology; D018487:Ventricular Dysfunction, Left / Q000175:diagnosis / Q000453:epidemiology* / Q000503:physiopathology*
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