FIELD: medicine.
SUBSTANCE: angiographic control is performed at the time of coronary stent installation, radiography is carried out in the right caudal and cranial, left caudal and cranial projections; the eccentricity index (iE) is calculated using the formula: 
, where: Dmax is the maximum artery diameter determined for balloon inflation time; Dmin is the minimum artery diamete determined for balloon inflation time. If iE is greater than 0.2, the eccentricity of the implantable coronary stent is judged to be significant and post-dilation is performed with a non-compliance balloon.
EFFECT: improved assessment accuracy.
1 dwg, 2 ex
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