This review surveys the methods of assessment of skin blood flow currently in use, examines the different parameters being measured, and comments on their applicability and problems of interpretation. The methods covered include direct capillary pressure measurement; transcutaneous oxygen measurement; radionuclide techniques; temperature techniques (radiometric measurements, thermography, microwave radiometry, thermal clearance or conductivity measurements); ultrasound; dermofluorometry; laser Doppler flowmetry; photoplethysmography; and capillary microscopy.
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Swain et al. (1989) studied this question.
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