For the unstable atherosclerotic plaque of patients, often more to promote its transformation to the stable to prevent the occurrence of myocardial infarction and cerebral infarction and so on.

对于不稳定粥样硬化斑块的患者，往往更要促使其向稳定转化，以防止发生心肌梗塞及脑梗塞等。

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The study found that such heart attacks occurred in 50% of cases when the stent was implanted directly over a cholesterol-rich plaque, compared with 4% involving stable plaque.

WSJ: Predicting Who Will Have Heart Attacks

New catheter-based imagers aim to improve IVUS by letting doctors distinguish stable plaque, safely ensconced in scar tissue, from the inflamed plaque that is more likely to rupture and trigger a heart attack.

FORBES: Peeking at Plaque

Software would quickly calculate total plaque volume, tally the percentage of stable versus unstable plaque and spit out a "vascular age" score corresponding to heart risk.

FORBES: Peeking at Plaque