TY - JOUR
T1 - Cardiomegaly is a common arrhythmogenic substrate in adult sudden cardiac deaths, and is associated with obesity
AU - Tavora, Fabio
AU - Zhang, Y.
AU - Zhang, M.
AU - Li, L.
AU - Ripple, M.
AU - Fowler, D.
AU - Burke, Allen
PY - 2012/4
Y1 - 2012/4
N2 - Background: Both coronary artery disease (CAD) and cardiomyopathy may present with sudden cardiac death (SCD). It is generally accepted that CAD is the most common cause of SCD in adults, but the frequency of cardiomegaly as a primary or contributing cause is less known. Methods: We retrospectively studied the cardiac findings of all cases of adult SCD attributed to cardiomegaly, severe atherosclerosis, or both, in the absence of specific cardiomyopathy. Association between findings and risk factors was studied. Results: There were 484 sudden cardiac deaths, of which 402 met study criteria. Mean age was 49 ± 13 years, with 289 men and 159 African Americans (AAs). Cardiomegaly with presumed hypertensive, multifactorial or unknown cause, was the sole arrhythmogenic substrate in 38% of men and 49% of women (p= 0.003); CAD was the sole cause of SCD in 19% of men and 26% of women, and mixed CAD + cardiomegaly the cause of death in 43% of men and 25% of women. Cardiomegaly was associated by univariate analysis with younger age (46±12 years versus 53±14 for CAD, p
AB - Background: Both coronary artery disease (CAD) and cardiomyopathy may present with sudden cardiac death (SCD). It is generally accepted that CAD is the most common cause of SCD in adults, but the frequency of cardiomegaly as a primary or contributing cause is less known. Methods: We retrospectively studied the cardiac findings of all cases of adult SCD attributed to cardiomegaly, severe atherosclerosis, or both, in the absence of specific cardiomyopathy. Association between findings and risk factors was studied. Results: There were 484 sudden cardiac deaths, of which 402 met study criteria. Mean age was 49 ± 13 years, with 289 men and 159 African Americans (AAs). Cardiomegaly with presumed hypertensive, multifactorial or unknown cause, was the sole arrhythmogenic substrate in 38% of men and 49% of women (p= 0.003); CAD was the sole cause of SCD in 19% of men and 26% of women, and mixed CAD + cardiomegaly the cause of death in 43% of men and 25% of women. Cardiomegaly was associated by univariate analysis with younger age (46±12 years versus 53±14 for CAD, p
KW - Cardiomyopathy
KW - Sudden death
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U2 - 10.1097/PAT.0b013e3283513f54
DO - 10.1097/PAT.0b013e3283513f54
M3 - Article
C2 - 22406485
AN - SCOPUS:84861625003
SN - 0031-3025
VL - 44
SP - 187
EP - 191
JO - Pathology
JF - Pathology
IS - 3
ER -