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An aneurysm occurs when part of a blood vessel (artery) or cardiac chamber swells, - either the blood vessel is damaged or there is a weakness in the wall of the blood vessel. As blood pressure builds up it balloons out at its weakest point. The swelling can be quite small or very large - when large it tends to extend along the blood vessel.
By Veronica Gonzalez Veronica.Gonzalez@StarNewsOnline.com The 24-year-old woman’s heart was about to burst. Worse, nobody in her country could help her because of lack of money, equipment and trained doctors.
By Veronica Gonzalez Veronica.Gonzalez@StarNewsOnline.com When Dr. Howard Marks learned that a 24-year-old woman’s heart was close to bursting because of an aneurysm, he thought he could save her life. After all, Marks, who works at Coastal Thoracic Surgical Associates in Wilmington, has been in private practice here since 1988 and has performed more than 3,000 heart operations here.
Four out of 106 heart replacement valves from pig hearts failed, U.S. researchers found. The report, published in the Journal of Thoracic and Cardiovascular Surgery, said the pig valves failed after three, 14, 19 and 44 months, respectively.
ST. LOUIS, July 3 (UPI) -- Four out of 106 heart replacement valves from pig hearts failed, U.S. researchers found.
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