What does this research mean for the field?

Photoplethysmography (PPG) is a safe, non-invasive, and effective optical tool for the diagnosis, early screening, and regular monitoring of peripheral arterial disease (PAD). Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

December 31, 2006

Optical Techniques in the Assessment of Peripheral Arterial Disease

Structured PICO

Does photoplethysmograph (PPG) provide a safe and effective method for the assessment and diagnosis of peripheral arterial disease?

Population

Patients with or at risk for peripheral arterial disease (PAD)

Intervention

Photoplethysmograph (PPG) and other optical techniques

Outcome

Assessment and diagnosis of peripheral arterial disease

Photoplethysmography is highlighted as a promising, non-invasive tool for the early screening and regular assessment of peripheral arterial disease in both clinical and home settings.

Abstract

A variety of optical techniques have been developed over the years for experimental use in vascular disease, mainly for the assessment of lower limb peripheral arterial disease (PAD). Optical techniques have several advantages over more traditional experimental approaches. Photoplethysmograph (PPG) was one of the earliest methods used for this purpose; PPG satisfies many of the conditions for a non-invasive technique to estimate skin blood flow using infrared light, not only for research but also in clinical practice. PPG is a promising, safe and easy-to-use tool for diagnosis and early screening of various atherosclerotic pathologies and could be useful for regular GP-assessment or even self-monitoring of PAD at home or during individual physical exercises. This review discusses the application of PPG in the assessment of PAD.

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