Risk assessment in the patient with established peripheral arterial disease

Scott Haugen1, Ivan P Casserly, Judith G Regensteiner

  • 1Divisions of Cardiology and General Internal Medicine, Department of Medicine, University of Colorado School of Medicine, Denver, CO, USA.

Insights

Cardiovascular risk in peripheral arterial disease (PAD) patients is high. Emerging inflammatory markers like C-reactive protein (CRP) may improve risk prediction beyond traditional factors and the ankle-brachial index (ABI).

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Inflammation Research

Background:

  • Cardiovascular risk prediction in primary and secondary settings presents challenges for practitioners.
  • Patients with established peripheral arterial disease (PAD) face a high risk of cardiovascular events.
  • Traditional risk factors and the ankle-brachial index (ABI) offer incomplete secondary risk prediction in PAD.

Purpose of the Study:

  • To review the utility of the ankle-brachial index (ABI), clinical disease stage, and inflammatory markers for secondary risk prediction in PAD.
  • To explore emerging markers, such as C-reactive protein (CRP), for improved cardiovascular risk stratification in PAD patients.

Main Methods:

  • Literature review evaluating the role of ABI, clinical staging, C-reactive protein (CRP), and other inflammatory markers.
  • Analysis of surrogate markers for systemic atherosclerotic burden and inflammation in PAD.

Main Results:

  • The ankle-brachial index (ABI) and traditional risk factors are insufficient for complete secondary risk prediction in PAD.
  • Inflammatory markers, including C-reactive protein (CRP), show emerging utility in enhancing cardiovascular risk stratification for PAD patients.

Conclusions:

  • Improved secondary risk prediction in PAD can be achieved by incorporating markers of systemic inflammation.
  • Accurate identification of high-risk PAD patients can guide intensified preventive measures and improve adherence to therapies and smoking cessation.

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