Related Experiment Video
Updated: May 25, 2026

Exercise Test for Evaluation of the Functional Efficacy of the Pig Cardiovascular System
Published on: May 12, 2023
Advancing cardiovascular research
1Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD.
Insights
Cardiovascular disease (CVD) is evolving, with changing patient demographics and disease patterns. Research must adapt to new challenges and opportunities in CVD science and clinical care.
Area of Science:
- Cardiovascular Science
- Clinical Cardiology
- Public Health
Background:
- Cardiovascular disease (CVD) morbidity and mortality have declined over 50 years.
- CVD remains the leading global cause of death and disability.
- Patient demographics are shifting towards an older, heavier, and more diverse population.
Purpose of the Study:
- To outline the evolving landscape of cardiovascular disease.
- To identify emerging challenges and opportunities for cardiovascular scientists.
- To adapt research and clinical strategies to current trends in CVD.
Main Methods:
- Review of trends in cardiovascular science and clinical practice.
- Analysis of demographic shifts impacting cardiovascular health.
- Identification of key areas for future research and innovation.
Main Results:
- The "typical" cardiac patient profile has changed significantly.
- Acute coronary syndrome, hypertension, heart failure, and atrial fibrillation are increasingly prevalent.
- Degenerative and congenital structural heart diseases now dominate over rheumatic disease.
Conclusions:
- Cardiovascular science faces new challenges due to evolving disease mechanisms and patient populations.
- High-throughput technologies and evidence-based strategies are crucial.
- Innovation is essential to address the global CVD epidemic amidst resource constraints.
Abstract:
Over the past 50 years, we have seen dramatic changes in cardiovascular science and clinical care, accompanied by marked declines in the morbidity and mortality. Nonetheless, cardiovascular disease remains the leading cause of death and disability in the world, and its nature is changing as Americans become older, fatter, and ethnically more diverse. Instead of young or middle-aged men with ST-segment elevation myocardial infarction, the "typical" cardiac patient now presents with acute coronary syndrome or with complications related to chronic hypertension or ischemic heart disease, including heart failure, sudden death, and atrial fibrillation. Analogously, structural heart disease is now dominated by degenerative valve or congenital disease, far more common than rheumatic disease. The changing clinical scene presents cardiovascular scientists with a number of opportunities and challenges, including taking advantage of high-throughput technologies to elucidate complex disease mechanisms, accelerating development and implementation of evidence-based strategies, assessing evolving technologies of unclear value, addressing a global epidemic of cardiovascular disease, and maintaining high levels of innovation in a time of budgetary constraint and economic turmoil.
Related Concept Videos
Regulation of the Cardiovascular System
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
Pathophysiology of Cardiac Performance
Cardiomyopathy V: Interprofessional Care
Cardiomyopathy II: Dilated Cardiomyopathy
Exercise and Cardiac Output
Sustained exercise increases the muscles' oxygen demand, which can be met...
Coronary Artery Disease II: Pathophysiology
