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Cardiovascular Disease and Adiposity
Research Guide
What is Cardiovascular Disease and Adiposity?
Cardiovascular Disease and Adiposity refers to the research cluster examining the role of perivascular adipose tissue, epicardial fat, and obesity-related changes in adipose tissue function that contribute to vascular dysfunction, inflammation, endothelial impairment, atherosclerosis, and coronary artery disease.
This field includes 63,472 works on how obesity leads to macrophage accumulation in adipose tissue and increased release of proinflammatory molecules. Studies show that body fat distribution and impaired adipose tissue function correlate with cardiometabolic disease risk beyond total adiposity. Research also links adiposity to left ventricular mass as a predictor of cardiovascular morbidity and mortality.
Topic Hierarchy
Research Sub-Topics
Perivascular Adipose Tissue Inflammation
This sub-topic investigates inflammatory mechanisms in perivascular adipose tissue (PVAT), including macrophage infiltration and cytokine secretion contributing to vascular dysfunction. Researchers study PVAT secretomes in obesity models and their role in atherosclerosis progression.
Epicardial Fat and Coronary Artery Disease
This sub-topic explores epicardial adipose tissue volume, composition, and its prognostic value in coronary artery disease via imaging modalities like CT and MRI. Researchers correlate epicardial fat metrics with plaque burden and clinical outcomes.
PVAT Regulation of Vascular Function
This sub-topic examines PVAT's vasoregulatory roles through adipokines, hydrogen sulfide, and vasoconstrictive factors influencing endothelial-dependent relaxation. Researchers use ex vivo vessel models to dissect PVAT-vasculature crosstalk.
Adipocytokines from Perivascular Fat
This sub-topic profiles adipokines like leptin, adiponectin, and novel factors secreted by PVAT and their impact on endothelial cells and smooth muscle. Researchers investigate dysregulation in cardiometabolic disorders using proteomic approaches.
Obesity Effects on Perivascular Adipose Tissue
This sub-topic analyzes obesity-induced phenotypic switching in PVAT from anti- to pro-inflammatory states and its exacerbation of endothelial dysfunction. Researchers track longitudinal changes in human and animal cohorts.
Why It Matters
Adiposity influences cardiovascular outcomes through mechanisms like macrophage infiltration in fat tissue, which promotes inflammation and fatty acid release contributing to atherosclerosis, as shown in "Obesity is associated with macrophage accumulation in adipose tissue" by Weisberg et al. (2003) with 8561 citations. Bariatric surgery reduces mortality in severe obesity cases, demonstrated by a long-term study in "Effects of Bariatric Surgery on Mortality in Swedish Obese Subjects" by Sjöström et al. (2007) reporting decreased overall mortality rates. Left ventricular mass, measured echocardiographically and validated anatomically, serves as a prognostic marker, with increased mass linked to higher cardiovascular event rates in the Framingham Heart Study per "Prognostic Implications of Echocardiographically Determined Left Ventricular Mass in the Framingham Heart Study" by Levy et al. (1990). These findings apply to clinical risk assessment in cardiology, guiding interventions for obesity-related heart disease.
Reading Guide
Where to Start
"Obesity is associated with macrophage accumulation in adipose tissue" by Weisberg et al. (2003) is the starting point because it provides foundational evidence on obesity-induced inflammatory changes in adipose tissue that underpin cardiovascular risks, with 8561 citations establishing core mechanisms.
Key Papers Explained
Weisberg et al. (2003) in "Obesity is associated with macrophage accumulation in adipose tissue" establishes obesity-driven inflammation in fat tissue, which Goossens (2017) in "The Metabolic Phenotype in Obesity: Fat Mass, Body Fat Distribution, and Adipose Tissue Function" extends to body fat distribution's role in cardiometabolic risk. Ouchi et al. (2011) in "Adipokines in inflammation and metabolic disease" builds on this by detailing adipokine mediation of inflammation. Levy et al. (1990) in "Prognostic Implications of Echocardiographically Determined Left Ventricular Mass in the Framingham Heart Study" and Devereux and Reichek (1977) in "Echocardiographic determination of left ventricular mass in man. Anatomic validation of the method." connect adiposity effects to cardiac structural changes, with validated measurement methods.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current research emphasizes perivascular adipose tissue's role in vascular function and obesity's impact on endothelial function, as per the topic description. No recent preprints or news in the last 12 months indicate steady maturation without major shifts. Frontiers involve integrating adipocytokine effects with atherosclerosis models from Berenson et al. (1998) in "Association between Multiple Cardiovascular Risk Factors and Atherosclerosis in Children and Young Adults."
Papers at a Glance
Frequently Asked Questions
What role does obesity play in adipose tissue changes linked to cardiovascular disease?
Obesity alters adipose tissue metabolic and endocrine function, leading to increased macrophage accumulation and release of fatty acids, hormones, and proinflammatory molecules. Weisberg et al. (2003) in "Obesity is associated with macrophage accumulation in adipose tissue" characterized these changes with increasing adiposity. This contributes to obesity-associated cardiovascular complications.
How does body fat distribution affect cardiometabolic risk?
BMI and total adiposity correlate with cardiometabolic disease risk, but body fat distribution and impaired adipose tissue function provide additional predictive value. Goossens (2017) in "The Metabolic Phenotype in Obesity: Fat Mass, Body Fat Distribution, and Adipose Tissue Function" notes this relationship at the population level. Central adiposity exacerbates risks beyond overall fat mass.
What is the prognostic value of left ventricular mass in cardiovascular disease?
Echocardiographically determined left ventricular mass predicts morbidity and mortality from cardiovascular disease. Levy et al. (1990) in "Prognostic Implications of Echocardiographically Determined Left Ventricular Mass in the Framingham Heart Study" examined its role as a precursor. Increased mass indicates higher risk independent of other factors.
How do adipokines contribute to cardiovascular inflammation?
Adipokines from adipose tissue mediate inflammation and metabolic disease processes relevant to cardiovascular health. Ouchi et al. (2011) in "Adipokines in inflammation and metabolic disease" detail their roles. These factors link obesity to vascular dysfunction and atherosclerosis.
What impact does bariatric surgery have on obesity-related cardiovascular mortality?
Bariatric surgery for severe obesity achieves long-term weight loss and reduces overall mortality. Sjöström et al. (2007) in "Effects of Bariatric Surgery on Mortality in Swedish Obese Subjects" confirmed this association. It mitigates risks from adiposity-driven cardiovascular complications.
Open Research Questions
- ? How does perivascular adipose tissue specifically modulate endothelial function in early atherosclerosis?
- ? What are the precise mechanisms by which adipocytokines from epicardial fat influence coronary artery disease progression?
- ? To what extent does macrophage accumulation in perivascular fat predict cardiovascular events independent of systemic obesity?
- ? How do changes in adipose tissue function with aging interact with vascular inflammation in cardiovascular disease?
- ? What therapeutic targets within obese adipose tissue can prevent left ventricular hypertrophy?
Recent Trends
The field encompasses 63,472 works with no specified 5-year growth rate available.
High-citation papers from 1977 to 2023, such as Tsao et al. in "Heart Disease and Stroke Statistics—2023 Update: A Report From the American Heart Association" with 5501 citations, reflect ongoing integration of adiposity into annual cardiovascular risk statistics.
2023No recent preprints or news coverage in the last 12 months suggests stable research momentum focused on established mechanisms like those in Weisberg et al. .
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