Journal
CIRCULATION RESEARCH
Volume 128, Issue 12, Pages 1818-1832Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/CIRCRESAHA.121.318535
Keywords
epidemiology; peripheral artery disease; risk factors; smoking; vascular diseases
Funding
- NIH [K23 HL151871]
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PAD is increasingly recognized as a major cause of cardiovascular morbidity and mortality worldwide. The focus on PAD in recent years has led to new epidemiological insights and highlighted the importance of polyvascular disease in cardiovascular research and clinical practice. PAD may present similar or even greater risk compared to coronary artery disease or stroke.
Atherosclerotic lower extremity peripheral artery disease (PAD) is increasingly recognized as an important cause of cardiovascular morbidity and mortality that affects >230 million people worldwide. Traditional cardiovascular risk factors, including advanced age, smoking, and diabetes, are strongly linked to an increase risk of PAD. Although PAD has been historically underappreciated compared with coronary artery disease and stroke, greater attention on PAD in recent years has led to important new epidemiological insights in the areas of thrombosis, inflammation, dyslipidemia, and microvascular disease. In addition, the concept of polyvascular disease, or clinically evident atherosclerosis in multiple arterial beds, is increasingly identified as a particularly malignant cardiovascular disease worthy of special clinical attention and further study. It is noteworthy that PAD may increase the risk of adverse outcomes in similar or even greater magnitude than coronary disease or stroke. In this review, we highlight important new advances in the epidemiology of PAD with a particular focus on polyvascular disease, emerging biomarkers, and differential risk pathways for PAD compared with other atherosclerotic diseases.
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