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[Malleolar and plantar light reflection rheography]
W Vanscheidt1, H Wokalek, E Vanscheidt
1Universitätshautklinik Freiburg, Bundesrepublik Deutschland.
Summary
The plantar laser Doppler flowmetry (LDF) procedure, a modification of malleolar LDF, aids in diagnosing venous insufficiency, especially in complex cases like large leg ulcers and lymphedemas. Evaluation requires adjusted normal values, including prolonged refilling time and increased delta R.
Area of Science:
- Vascular medicine
- Medical diagnostics
- Biomedical engineering
Context:
- Laser Doppler flowmetry (LDF) is a non-invasive technique used to assess microvascular blood flow.
- Malleolar LDF is a standard method for evaluating venous insufficiency.
- Certain patient conditions, such as large leg ulcers and lymphedemas, limit the applicability of malleolar LDF.
Purpose:
- To introduce and describe the plantar LDF procedure as an alternative to malleolar LDF.
- To highlight the utility of plantar LDF in cases where malleolar LDF is not feasible.
- To establish the need for modified reference values for plantar LDF interpretation.
Summary:
- The plantar LDF procedure is presented as a modification of the malleolar LDF technique.
- This method enables LDF assessment in patients with conditions precluding malleolar LDF, such as extensive leg ulcers and lymphedemas.
- Interpreting plantar LDF requires consideration of altered normal values, specifically a prolonged refilling time and an elevated delta R.
Impact:
- Expands the diagnostic capabilities of LDF for venous insufficiency in challenging patient populations.
- Offers a viable alternative for assessing microvascular function in patients with severe lower limb conditions.
- Promotes accurate diagnosis and management of venous diseases by providing adjusted reference parameters for plantar LDF.