This was the beginning of modern confirmation that we are not alone in the universe. The story involves the recovery of bodies, secrecy, and death threats. Dozens of witnesses have sworn and testified to what they saw.
Numerous experimental observations suggest that local factors play a major role in the pathophysiology of restenosis. Angioplasty is invariably associated with arterial injury that provides a potent stimulus for both platelet adhesion and platelet aggregation.umerous experimental observations suggest that local factors play a major role in the pathophysiology of restenosis. Angioplasty is invariably associated with arterial injury that provides a potent stimulus for both platelet adhesion and platelet aggregation.
Bare-metal stents reduce the chance of restenosis to about 15 percent, and the use of drug-eluting stents reduces the risk to less than 10 percent. Blood clots. Blood clots can form within stents even after the procedure. These clots can close the artery, causing a heart attack.