After 2-3 months the situation can improve due to smaller arteries opening up (collateralcirculation) and carrying more blood around any blockages.
2 - 3个月后情况会好转，因为更小的动脉血管打开(即侧支循环)并能输送更多血液到堵塞的位置附近。
2
But until recently, researchers didn't know what linked those risk factors together, when it comes to insufficiency of the collateralcirculation.
但直到最近，研究人员不知道什么将这些危险因素联系在一起，当涉及到支循环不足时。
3
Chronic portal hypertension may lead to development of collateralcirculation, which is manifested as caput medusa in the region of the umbilicus and epigastrium.