I still wonder whether this is just pushing the problem down to smaller arteries. If the trial is adequately designed it will check out that this does not occur. I compare it to an asteroid approaching earth and we send out some type of explosive device to blow it up. Unless that explosion pulverizes it enough so that the tiny pieces burn up on entry the earth will still be destroyed or major damage will still occur. Will they be checking and scanning the brain afterward to ensure that they didn't just move the problem down to tiny arteries?
http://www.marketwatch.com/story/cerevast-therapeutics-initiates-phase-3-clotbust-ertm-clinical-study-for-the-treatment-of-acute-ischemic-stroke-2013-08-01
Your point about collateral damage is right on. When ultrasound is used to break up kidneys stones in both kidneys clients often have increased blood pressure because the ultrasound damages the kidney. My urologist and his receptionist have kidney stones but they refuse to have ultrasound done. That tells you something.
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