miércoles, 20 de noviembre de 2013

Older men who walk daily may lower their stroke risk | American Heart Association

Older men who walk daily may lower their stroke risk | American Heart Association

11/18/2013 05:51 PM EST

Source: American Heart Association
Related MedlinePlus Page: Stroke

Older men who walk daily may lower their stroke risk

American Heart Association Rapid Access Journal Report

Study Highlights:
  • Older men who walked at least one to two hours each day had a reduced risk of stroke.
  • Regular daily walking reduced the risk of stroke, regardless of the pace or distance.

DALLAS, Nov. 14, 2013 — Older men who walked at least one to two hours each day compared to less than half an hour per day had a reduced risk of stroke, in a large population-based study reported in the American Heart Association journal Stroke.
In a study of 3,435 healthy men age 60 to 80, researchers asked distance walked each week and usual walking pace. They divided them into groups: those who spent zero-three hours a week; four-seven hours; eight-14 hours; 15-21 hours; and more than 22 hours walking per week. Men were followed for the next 10 years and monitored for all new cases of stroke.
Researchers found:
  • Men who walked eight-14 hours per week had about one-third lower risk of stroke than men who spent zero-three hours walking each week.
  • The risk was about two-thirds lower for those walking more than 22 hours a week.
  • 42 percent walked for more than eight hours per week while 9 percent walked for more than 22 hours per week.
  • Men who walked zero-three hours per week had 80 strokes per 10,000 person years and men who walked eight-14 hours per week had 55 strokes per 10,000 person years.
“If you took one thousand men who usually walk 8-14 hours per week and followed them for 10 years, on average they would have 55 strokes, compared with 80 for the group who only walk zero to three hours per week,” explained Barbara Jefferis, Ph.D., study first author and senior research associate in the Department of Primary Care & Population Health at University College London in the U.K. “The total time spent walking was more consistently protective against stroke than walking pace; overall it seemed that accumulating more time walking was most beneficial.”
Study participants were part of the British Regional Heart Study, sampled from one primary care center in each of 24 towns across Britain. In 1998-2000, participants completed questionnaires about various aspects of their walking activities and other physical activities.
Nurses also conducted a range of traditional health tests such as blood pressure and measured novel risk factors such as inflammatory markers.
“Our findings suggest that regular walking each week could be an important part of stroke prevention strategies in older people,” Jefferis said.
Co-authors are Peter H. Whincup, Ph.D.; Olia Papacosta, M.Sc.; and Sasiwarang Goya Wannamethee, Ph.D. Author disclosures are on the manuscript.
The study was funded by the National Institute for Health Research (NIHR post-doctoral fellowship to Barbara Jefferis) and the British Heart Foundation.
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Statements and conclusions of study authors published in American Heart Association scientific journals are solely those of the study authors and do not necessarily reflect the association’s policy or position. The association makes no representation or guarantee as to their accuracy or reliability. The association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific association programs and events. The association has strict policies to prevent these relationships from influencing the science content.  Revenues from pharmaceutical and device corporations are available at www.heart.org/corporatefunding.
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