Meta-analyses of randomised studies and large observational registries show that radial access reduces procedure access site-related major bleeding compared to femoral access.
Sterile procedure requires that every site of needle insertion be properly sterilized, because most infections are caused by bacteria already present on the skin.
Within one year of an angioplasty, as many as 20 to 30 percent of patients develop partial or complete obstruction at the site of angioplasty that requires a repeat procedure, or CABG.