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Trabeculated (Noncompacted) and Compact Myocardium in Adults The Multi-Ethnic Study of Atherosclerosis

KAWEL, Nadine ; NACIF, Marcelo ; ARAI, Andrew E ; GOMES, Antoinette S ; GREGORY HUNDLEY, W ; CRAIG JOHNSON, W ; PRINCE, Martin R ; BRANDON STACEY, R ; LIMA, Joao A. C ; BLUEMKE, David A

Circulation. Cardiovascular imaging, 2012-05, Vol.5 (3), p.357-366 [Periódico revisado por pares]

Hagerstown, MD: Lippincott Williams & Wilkins

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Título:
Trabeculated (Noncompacted) and Compact Myocardium in Adults The Multi-Ethnic Study of Atherosclerosis
Autor: KAWEL, Nadine ; NACIF, Marcelo ; ARAI, Andrew E ; GOMES, Antoinette S ; GREGORY HUNDLEY, W ; CRAIG JOHNSON, W ; PRINCE, Martin R ; BRANDON STACEY, R ; LIMA, Joao A. C ; BLUEMKE, David A
Assuntos: Aged ; Aged, 80 and over ; Arterial hypertension. Arterial hypotension ; Atherosclerosis (general aspects, experimental research) ; Atherosclerosis - diagnosis ; Atherosclerosis - ethnology ; Biological and medical sciences ; Blood and lymphatic vessels ; Cardiology. Vascular system ; Cardiovascular system ; Cohort Studies ; Congenital heart diseases. Malformations of the aorta, pulmonary vessels and vena cava ; Contrast Media ; Ethnic Groups - statistics & numerical data ; Female ; Gadolinium DTPA ; Heart ; Humans ; Image Enhancement - methods ; Investigative techniques of hemodynamics ; Investigative techniques, diagnostic techniques (general aspects) ; Isolated Noncompaction of the Ventricular Myocardium - diagnosis ; Magnetic Resonance Imaging, Cine - methods ; Male ; Medical sciences ; Middle Aged ; Myocardium - pathology ; Observer Variation ; Population Surveillance ; Sensitivity and Specificity ; Ventricular Function, Left
É parte de: Circulation. Cardiovascular imaging, 2012-05, Vol.5 (3), p.357-366
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: A high degree of noncompacted (trabeculated) myocardium in relationship to compact myocardium (trabeculated to compact myocardium [T/M] ratio >2.3) has been associated with a diagnosis of left ventricular noncompaction (LVNC). The purpose of this study was to determine the normal range of the T/M ratio in a large population-based study and to examine the relationship to demographic and clinical parameters. The thickness of trabeculation and the compact myocardium were measured in 8 left ventricular regions on long axis cardiac MR steady-state free precession cine images in 1000 participants (551 women; 68.1±8.9 years) of the Multi-Ethnic Study of Atherosclerosis cohort. Of 323 participants without cardiac disease or hypertension and with all regions evaluable, 140 (43%) had a T/M ratio >2.3 in at least 1 region; in 20 of 323 (6%), T/M >2.3 was present in >2 regions. A multivariable linear regression model revealed no association of age, sex, ethnicity, height, and weight with maximum T/M ratio in participants without cardiac disease or hypertension (P>0.05). In the entire cohort (n=1000), left ventricular ejection fraction (β=-0.02/%; P=0.015), left ventricular end-diastolic volume (β=0.01/mL; P<0.0001), and left ventricular end-systolic volume (β=0.01/mL; P<0.001) were associated with maximum T/M ratio in adjusted models, whereas there was no association with hypertension or myocardial infarction (P>0.05). At the apical level, T/M ratios were significantly lower when obtained on short- compared with long-axis images (P=0.017). A ratio of T/M of >2.3 is common in a large population-based cohort. These results suggest re-evaluation of the current cardiac MR criteria for left ventricular noncompaction may be necessary.
Editor: Hagerstown, MD: Lippincott Williams & Wilkins
Idioma: Inglês

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Trabeculated (Noncompacted) and Compact Myocardium in Adults The Multi-Ethnic Study of Atherosclerosis

KAWEL, Nadine ; NACIF, Marcelo ; ARAI, Andrew E ; GOMES, Antoinette S ; GREGORY HUNDLEY, W ; CRAIG JOHNSON, W ; PRINCE, Martin R ; BRANDON STACEY, R ; LIMA, Joao A. C ; BLUEMKE, David A

Hagerstown, MD: Lippincott Williams & Wilkins

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