In this medical video learn how injecting DNA directly into the heart may help relieve chest pain.
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Jennifer Matthews: A quarter of people with heart disease will first feel the signs of the disease right where you'd expect. Dr. Samuel Butman: It's a heavy feeling. It's a pressure feeling. It's like an elephant sitting on your chest. Jennifer Matthews: That heavy feeling is angina or chest pain. Treatment is usually medication, angioplasty or a heart surgery. Now, injecting a dose of DNA directly to the heart may help the sickest of patients. Dr. Samuel Butman: The idea is simple and that is to get blood vessels to form in the heart. Jennifer Matthews: A new drug filled with DNA, triggers new vessels to grow inside the heart. Injected directly into the arteries, the drug restarts the heart's natural response. Dr. Samuel Butman: What we're doing here is actually injecting a higher dose of that same kind of protein to do what the body normally does, except more of it. Jennifer Matthews: Maurice Lattari battled heart disease for 26 years. Chest pain was part of life. Maurice Lattari: It's very debilitating. I've been active all my life and this just takes and cuts me off at the knees. Jennifer Matthews: Maurice took part in the study and although he is not sure if he got the gene or the placebo, Maurice says he's never felt better. Maurice Lattari: It's turned my life around 180 degrees. I'm at the top of the world right now. I can't ask for it any better. Jennifer Matthews: With his wife Deanna, by his side, Maurice can now enjoy life's simple treasures in comfort. This is Jennifer Matthews reporting.