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Published on: February 20, 2019
Emerging Trends in Atherosclerosis: Time to Address Atherosclerosis From a Younger Age
Yazan Almohtasib1, Andrew J Fancher2, Khalid Sawalha3
1Internal Medicine, University of Missouri Kansas City School of Medicine, Kansas City, USA.
Insights
Cardiovascular disease (CVD) research reveals atherosclerosis is driven by oxidation and inflammation, not just lipids. Alarming trends show CVD and atherosclerosis are increasingly prevalent in younger individuals, necessitating further investigation.
Area of Science:
- Cardiovascular Medicine
- Atherosclerosis Research
- Inflammation and Oxidation Biology
Background:
- Traditional understanding of atherosclerosis focused on lipid accumulation and plaque rupture.
- Emerging evidence implicates oxidation and inflammation as key drivers of atherosclerotic plaque progression.
- Atherosclerosis was historically considered a disease of older adults, but is now recognized as increasingly prevalent in younger populations.
Purpose of the Study:
- To review the evolving understanding of atherosclerosis mechanisms.
- To investigate the rising incidence of cardiovascular disease (CVD) and atherosclerosis in younger individuals.
- To explore potential reasons for this trend and discuss management strategies.
Main Methods:
- Literature review of recent research on atherosclerosis.
- Analysis of epidemiological data on CVD and atherosclerosis incidence in different age groups.
- Synthesis of current knowledge on inflammatory and oxidative pathways in atherogenesis.
Main Results:
- Atherosclerosis pathogenesis is more complex than the lipid-only theory, involving oxidative stress and inflammatory processes.
- Significant and increasing prevalence of atherosclerosis and CVD events observed in younger patient populations.
- The acceleration of atherosclerosis in younger individuals presents a growing public health concern.
Conclusions:
- The paradigm of atherosclerosis has shifted towards a multifactorial disease involving lipids, oxidation, and inflammation.
- The increasing incidence of CVD in younger individuals requires urgent attention and further research into underlying causes.
- Understanding these evolving trends is crucial for developing effective prevention and treatment strategies for all age groups.
Abstract:
Over the past two decades, research efforts into cardiovascular disease (CVD) have uncovered findings that fundamentally challenge our understanding of CVD, particularly atherosclerosis. Atherosclerosis was primarily attributed to the well-described abnormal lipid accumulation theory, involving plaque growth with subsequent plaque hemorrhage resulting in acute vessel thrombosis that may or may not rupture. This perspective has now evolved to encompass more complex pathways, wherein the accumulation of abnormal products of oxidation and inflammation is the most likely factor mediating atherosclerotic plaque growth. Furthermore, atherosclerosis was traditionally thought of as a disease in patients aged 40 and older. However, mounting evidence has demonstrated that significant atherosclerosis and CVD events are more prevalent in younger patients than previously realized and accelerating in incidence. With this alarming trend among younger individuals, our review sought to explore why this trend may be happening and what can be done about this developing problem.
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