A Way to Detect Heart Diseases Long Before the First Symptoms Has Been Found 0 19

Scientists from Germany have developed a non-invasive method that allows for the detection of early signs of cardiovascular diseases literally "through the skin." The new fast-RSOM imaging technology enables the visualization of the smallest blood vessels and the assessment of their function without injections, catheters, or other interventions. The results of the study were published in the journal Light: Science & Applications (LS&A).

The method is based on the registration of subtle changes in the skin's microvessels — primarily endothelial dysfunction, which refers to the ability of blood vessels to dilate and constrict. Such disruptions are considered some of the earliest signs of future heart and vascular problems, but until now, it has been nearly impossible to measure them directly in humans. Fast-RSOM allows for the visualization of these changes at the level of individual capillaries, even before symptoms or clinical diagnoses appear.

Researchers have shown that the technology captures the deterioration of microvessel conditions associated with smoking, high blood pressure, obesity, and other risk factors. Unlike traditional approaches that assess risk indirectly, the new method reveals real structural and functional changes in the vascular system in real time.

The authors believe that fast-RSOM could become a tool for early prevention: with its help, doctors will be able to more accurately identify individuals at increased risk for cardiovascular diseases, monitor the effects of treatment, and track lifestyle changes. Since the device is compact and does not require invasive procedures, it could be used in regular clinics for routine preventive examinations in the future.