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By Ted Cruz
Banning speech with a constitutional amendment is playing with fire
Topic - Martin Leon
Thousands of older Americans who need new heart valves but are too frail to survive the surgery might soon get a chance at an easier option _ a way to thread in an artificial aortic valve without cracking their chests.
"This opens the door to a new treatment," said lead researcher Dr. Martin Leon of Columbia University Medical Center and New York-Presbyterian Hospital.
Columbia's Leon said doctors saved a life for every five patients treated _ and most patients felt better and moved better, enjoying more quality of life.