FIELD: medicine.
SUBSTANCE: isolation of all elements of perforant complex is performed along subfascial space. Under perforant vein introduced are closed branches of dissector, instrument is lifted until bleeding stops and moved from wall of surface vessels to deep ones and in opposite direction. If vessels is filled with blood from deep system, perforant vein is considered inconsistent.
EFFECT: method increases reliability of determination of perforant veins failure.
1 ex
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