Abstract
Purpose of Review
The obesity epidemic is on the rise, and while it is well known that obesity is associated with an increase in cardiovascular risk factors such as type 2 diabetes mellitus, hypertension, and obstructive sleep apnea, recent data has highlighted that the degree and type of fat distribution may play a bigger role in the pathogenesis of cardiovascular disease (CVD) than body mass index (BMI) alone. We aim to review updated data on adipose tissue inflammation and distribution and CVD.
Recent Findings
We review the pathophysiology of inflammation secondary to adipose tissue, the association of obesity-related adipokines and CVD, and the differences and significance of brown versus white adipose tissue. We delve into the clinical manifestations of obesity-related inflammation in CVD. We discuss the available data on heterogeneity of adipose tissue-related inflammation with a focus on subcutaneous versus visceral adipose tissue, the differential pathophysiology, and clinical CVD manifestations of adipose tissue across sex, race, and ethnicity. Finally, we present the available data on lifestyle modification, medical, and surgical therapeutics on reduction of obesity-related inflammation.
Summary
Obesity leads to a state of chronic inflammation which significantly increases the risk for CVD. More research is needed to develop non-invasive VAT quantification indices such as risk calculators which include variables such as sex, age, race, ethnicity, and VAT concentration, along with other well-known CVD risk factors in order to comprehensively determine risk of CVD in obese patients. Finally, pre-clinical biomarkers such as pro-inflammatory adipokines should be validated to estimate risk of CVD in obese patients.
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Abbreviations
- CVD:
-
Cardiovascular disease
- VAT:
-
Visceral adipose tissue
- SAT:
-
Subcutaneous adipose tissue
- TNF-α:
-
Tumor necrosis factor-α
- IL-6:
-
Interleukin-6
- CRP:
-
C-reactive protein
- LDL:
-
Low-density lipoprotein
- BMI:
-
Body mass index
- CT:
-
Computed tomography
- MRI:
-
Magnetic resonance imaging
- HFpEF:
-
Heart failure with preserved ejection fraction
- AF:
-
Atrial fibrillation
- CI:
-
Confidence interval
- MACE:
-
Major adverse cardiovascular events
- SGLT-2:
-
Sodium-glucose cotransporter-2
- GLP-1:
-
Glucagon-like peptide-1
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Dr. Neeland reports receiving consulting fees/honoraria from Nestle Health Sciences, Boehringer Ingelheim/Lilly Alliance, and Merck & Co. The other authors declare no competing interests.
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This article is part of the Topical Collection on Macrovascular Complications in Diabetes
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Rana, M.N., Neeland, I.J. Adipose Tissue Inflammation and Cardiovascular Disease: An Update. Curr Diab Rep 22, 27–37 (2022). https://doi.org/10.1007/s11892-021-01446-9
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DOI: https://doi.org/10.1007/s11892-021-01446-9