Studies Tie Stress From Storms, War To Heart Risks
By MARILYNN MARCHIONE
SAN FRANCISCO (AP) â¿¿ Stress does bad things to the heart. New studies have found higher rates of cardiac problems in veterans with PTSD, New Orleans residents six years after Hurricane Katrina and Greeks struggling through that country's financial turmoil.
Disasters and prolonged stress can raise "fight or flight" hormones that affect blood pressure, blood sugar and other things in ways that make heart trouble more likely, doctors say. They also provoke anger and helplessness and spur heart-harming behaviors like eating or drinking too much.
"We're starting to connect emotions with cardiovascular risk markers" and the new research adds evidence of a link, said Dr. Nieca Goldberg, a cardiologist at NYU Langone Medical Center and an American Heart Association spokeswoman.She had no role in the studies, which were discussed Sunday at an American College of Cardiology conference in San Francisco. The largest, involving 207,954 veterans in California and Nevada ages 46 to 74, compared those with PTSD, or post-traumatic stress disorder, to those without it. They were free of major heart disease and diabetes when researchers checked their Veterans Administration medical records from 2009 and 2010. Checked again about two years later, 35 percent of those with PTSD but only 19 percent of those without it had developed insulin resistance, which can lead to diabetes and hardening of the arteries. Doctors also saw higher rates of metabolic syndrome â¿¿ a collection of heart disease risk factors that include high body fat, cholesterol, blood pressure and blood sugar levels. About 53 percent of veterans with PTSD but only 37 percent of those without it had several of these symptoms. The numbers are estimates and are not as important as the trend â¿¿ more heart risk with more stress, said one study leader, Dr. Ramin Ebrahimi, a cardiologist at the Greater Los Angeles VA Medical Center and a professor at UCLA. It shows that PTSD can cause physical symptoms, not just the mental ones commonly associated with it.
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