Laser Doppler perfusion imager (LDPI)--for the assessment of skin blood flow changes following sympathetic blocks.
case_report · Level V
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Abstract
A laser Doppler perfusion imager (LDPI) for evaluation of skin blood flow is presented and its use illustrated in two cases with a presumptive diagnosis of reflex sympathetic dystrophy (RSD) treated with local anesthetic sympathetic blocks. Among the advantages are the good spatial resolution over the area measured (12 x 12 cm) and that measurements can be done without contact with the skin. Generating a complete image takes 4.5 min but if higher temporal resolution is needed continuous measurements at one point are possible by use of another software routine.
Medical subject headings
- Autonomic Nerve Block
- Laser-Doppler Flowmetry
- Skin