Potential of a high-frequency correlation method to study skin blood flow.

BACKGROUND/AIMS: The vast number of existing dedicated techniques proves that skin blood flow estimation is an unsolved problem. Specificities of cutaneous vascularization (very low blood velocity, noisy environment, complexity of the vascularization architecture) result in the unsuitability of conventional ultrasonic Doppler techniques (long acquisition time, low spatial resolution). The object here was to present a high-frequency time-domain correlation METHOD: In particular, the difficulties of adaptating this type of measurement (data processing, hardware problem) are pointed out.