The effect of brain-heart interaction remains unclear. The study aims to investigate the biological interconnection between brain neural activity and coronary plaque morphological and inflammatory features, as well as their connection with clinical outcomes.
Brain neural activity assessed by resting amygdalar activity (AmygA) can predict cardiovascular events. However, its biological interconnection with plaque vulnerability i is not fully understood. Coronary computed tomographic angiography (CCTA) is a non-invasive technique that enables comprehensive assessment of morphological characteristics of coronary atheroma and estimates the level of plaque instability. Recently, perivascular fat attenuation index (FAI) enables assessment of coronary inflammation by analyzing changes of perivascular adipose tissue attenuation in CCTA. 18F-fluorodeoxyglucose-positron emission tomography/computed tomography (18F-FDG-PET/CT) enables simultaneous estimation of multi-system activities including brain neural activity and hematopoiesis. The present study aims to use ¹⁸F-FDG PET/CT to assess the AmygA, and to investigate its association with CCTA assessed plaque morphological and inflammatory features as well as their ability in predicting future cardiovascular disease events.
Study Type
OBSERVATIONAL
Enrollment
300
18F-FDG-PET/CT imaging and comprehensive assessment of coronary plaque with CCTA within 90 days
Fuwai Hospital
Beijing, China
RECRUITINGShanghai Zhongshan Hospital
Shanghai, China
RECRUITINGShanghai Tenth People's Hospital
Shanghai, China
RECRUITINGCorrelation Between amygdalar activity (neurobiological activity) and bone marrow hematopoiesis (hematopoietic activity)
Amygdalar target-to-background ratio (TBR) = Amygdalar standardized uptake value (SUV) / Temporal lobe SUV Bone marrow TBR = Bone marrow SUV / Jugular vein SUV Correlation between amygdalar activity (neurobiological activity) and bone marrow hematopoiesis (hematopoietic activity) will be assessed
Time frame: at the index imaging
Correlation Between amygdalar activity (neurobiological activity) and high-risk plaque
High-risk plaque features will be assessed by CCTA including positive remodeling (PR, defined as lesion diameter/reference diameter ≥1.1), low attenuation plaque (LAP, defined as a focal central area of plaque with an attenuation density of \<30 Hounsfield Units), spotty calcification (SC, defined as focal calcification within the coronary artery wall \<3mm in maximum diameter), and the "napkin ring" sign (defined as a central area of low attenuation plaque that had a peripheral rim of high attenuation). Correlation Between amygdalar activity and number of high-risk plaque features will be assessed.
Time frame: at the index imaging
Correlation Between amygdalar activity (neurobiological activity) and coronary inflammation
Coronary inflammation will be assessed by FAI. Correlation Between amygdalar activity and FAI will be assessed
Time frame: at the index imaging
Major adverse cardiac events
Death from coronary heart disease, nonfatal myocardial infarction or hospitalization for unstable angina.
Time frame: 5 years after index imaging
Cardiovascular death, or nonfatal myocardial infarction
Cardiovascular death, or nonfatal myocardial infarction
Time frame: 5 years after index imaging
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Universal Medical Imaging Diagnostic
Shanghai, China
RECRUITING