The mechanisms leading to the microscopically observable changes in CAVS include many molecules and pathways. There is a considerable “cross talk” between these mechanisms which makes their description difficult.
The unravelling of these pathways requires a description in layers.
The outer layer consists of the risk factors of which the most common are lipid disorders and hypertension.
The middle layer consists of the molecules and mediators involved. Some of these molecules are inflammatory, others are the result of mechanical or oxidative stress, still others play a role in the remodelling of the ECM.
The inner layer consists of the mechanisms, which are inflammation, calcification or ossification, angiogenesis, remodelling of the ECM and programmed cell death.
The unravelling of these processes in CAVS is an ongoing process and is still not completely understood. This understanding might have some consequences in terms of prevention or slowing down of the process.
Total Pages: 21-62 (42)
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