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American Heart Association says the Taller you are, the more likely you may be to develop Blood Clots in Veins
Posted By Clarksville Online News Staff On Saturday, September 16, 2017 @ 4:00 am In News | No Comments
Dallas, TX – The taller you are, the more likely you may be to develop blood clots in the veins, according to new research in the American Heart Association journal Circulation: Cardiovascular Genetics .
In a study of more than two million Swedish siblings, researchers found that the risk of venous thromboembolism  – a type of blood clot that starts in a vein – was associated with height, with the lowest risk being in shorter participants.
“Height is not something we can do anything about,” said lead researcher Bengt Zöller, M.D., Ph.D., associate professor at Lund University and Malmö University Hospital in Malmö, Sweden. “However, the height in the population has increased, and continues increasing, which could be contributing to the fact that the incidence of thrombosis has increased.”
The CDC estimates venous thromboembolism affects up to 600,000 Americans every year, making it the third leading cause of heart attack  and stroke . The most common triggers are surgery, cancer, immobilization and hospitalization. In women, pregnancy and use of hormones like oral contraceptive or estrogen for menopause symptoms are also important triggers.
Zöller said gravity may influence the association between height and venous thromboembolism risk. “It could just be that because taller individuals have longer leg veins there is more surface area where problems can occur,” Zöller said. “There is also more gravitational pressure in leg veins of taller persons that can increase the risk of blood flow slowing or temporarily stopping.”
“I think we should start to include height in risk assessment just as overweight, although formal studies are needed to determine exactly how height interacts with inherited blood disorders and other conditions,” Zöller said.
Co-authors are Jinguang Ji, M.D., Ph.D.; Jan Sundquist, M.D., Ph.D., and Kristina Sundquist, M.D., Ph.D. Author disclosures are on the manuscript.
This study was supported by the Swedish Heart-Lung Foundation, the Swedish Research Council, the Swedish Council for Working Life and Social Research and the Swedish Freemasons’ Foundation, ALF-funding (Academic Learning and Research grants) from faculty of Medicine, Lund University and Region Skåne.
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URLs in this post:
 Circulation: Cardiovascular Genetics: http://circgenetics.ahajournals.org/
 venous thromboembolism: http://www.heart.org/HEARTORG/Conditions/More/What-is-Venous-Thromboembolism-VTE_UCM_479052_Article.jsp
 heart attack: http://www.heart.org/HEARTORG/Conditions/HeartAttack/Heart-Attack_UCM_001092_SubHomePage.jsp
 stroke: http://www.strokeassociation.org/STROKEORG/AboutStroke/About-Stroke_UCM_308529_SubHomePage.jsp
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 http://newsroom.heart.org/news/can-height-increase-risk-for-blood-clots-in-veins?preview=b630ae6d83c7cb15e449d273aceb8764: http://newsroom.heart.org/news/can-height-increase-risk-for-blood-clots-in-veins?preview=b630ae6d83c7cb15e449d273aceb8764
 @HeartNews: https://twitter.com/HeartNews
 www.heart.org/vascular: http://www.heart.org/vascular
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