4.7 Review

Multi-Modality Imaging of Atheromatous Plaques in Peripheral Arterial Disease: Integrating Molecular and Imaging Markers

Journal

Publisher

MDPI
DOI: 10.3390/ijms241311123

Keywords

peripheral artery disease (PAD); computed tomography (CT); magnetic resonance imaging (MRI); positron emission tomography (PET); single-photon emission computerized tomography (SPECT); molecular markers; vascular inflammation; plaque imaging

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Peripheral artery disease (PAD) is a common and debilitating condition characterized by the narrowing of limb arteries. Non-invasive imaging techniques such as CT, MRI, and nuclear imaging have proven valuable in assessing PAD plaques and vessel walls. This review explores the advantages, limitations, and recent advancements of these imaging techniques, as well as the importance of molecular markers in PAD pathophysiology. Integrating molecular and imaging markers holds potential for improving our understanding of PAD, but technical constraints and the need for new molecular markers pose challenges.
Peripheral artery disease (PAD) is a common and debilitating condition characterized by the narrowing of the limb arteries, primarily due to atherosclerosis. Non-invasive multi-modality imaging approaches using computed tomography (CT), magnetic resonance imaging (MRI), and nuclear imaging have emerged as valuable tools for assessing PAD atheromatous plaques and vessel walls. This review provides an overview of these different imaging techniques, their advantages, limitations, and recent advancements. In addition, this review highlights the importance of molecular markers, including those related to inflammation, endothelial dysfunction, and oxidative stress, in PAD pathophysiology. The potential of integrating molecular and imaging markers for an improved understanding of PAD is also discussed. Despite the promise of this integrative approach, there remain several challenges, including technical limitations in imaging modalities and the need for novel molecular marker discovery and validation. Addressing these challenges and embracing future directions in the field will be essential for maximizing the potential of molecular and imaging markers for improving PAD patient outcomes.

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