FIELD: medicine.
SUBSTANCE: method involves applying ultrasonic triplex scanning in color Doppler mapping with linear multiple frequency transducer of 5-7-10 MHz being used. Longitudinal cross-section of the posterior tibial artery is produced from direct projection. Its diameter and intima-media complex thickness are measured. Doppler frequency shift spectrum is determined and resistance index is calculated. Tibial artery diameter being reduced by 0.16 cm or less, intima-media complex thickness being normal from 0.01 to 0.04 cm and resistance index being reduced less than 1,0, posterior tibial artery hypoplasia is to be diagnosed.
EFFECT: improved diagnosis quality.
6 dwg
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