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Poorer countries, those spending less on health care have more strokes, deaths

Date:
October 30, 2011
Source:
American Heart Association
Summary:
Poorer countries and those that spend less on health care have greater incidences of stroke and stroke death than wealthier nations, according to new research. Stroke patients in poorer countries were more likely to be younger and to have hemorrhagic stroke, which occurs when a blood vessel in or near the brain bursts. The findings emphasize the importance of preventing stroke risk factors, especially in developing countries.

Poorer countries and those that spend proportionately less money on health care have more stroke and stroke deaths than wealthier nations and those that allocate more to health care, according to new research in Stroke: Journal of the American Heart Association.

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Poorer countries also had a greater incidence of hemorrhagic stroke -- caused by a burst blood vessel bleeding in or near the brain -- and had more frequent onset at younger ages.

Regardless of overall wealth, countries that spend less money proportionately on health care also had higher incidences of all four outcomes.

"Not only is the economic wellness of a country important, but also significant is what proportion of their gross domestic product is expended on health," said Luciano A. Sposato, M.D., M.B.A., study lead author and director of the neurology department at the Vascular Research Institute at INECO Foundation in Buenos Aires, Argentina. "This is very important for developing healthcare strategies to prevent stroke and other cardiovascular diseases."

In the large-scale literature review, researchers took a unique approach to identify stroke risk by correlating it to nationwide socioeconomic status.

Previous research tended to focus on the link between stroke and individual or family financial standing, said Sposato, also director of the Stroke Center at the Institute of Neurosciences, University Hospital Favaloro Foundation.

The study linked lower gross domestic product to:

  • 32 percent higher risk of strokes;
  • 43 percent increase of post-stroke deaths at 30 days;
  • 43 percent increase in hemorrhagic stroke; and
  • 47 percent higher incidence of younger-age-onset stroke.

Similarly, a lower percentage of health spending correlated to a comparable increase in the 30-day death rate and:

  • 26 percent higher risk of strokes;
  • 45 percent increase of post-stroke deaths at 30 days;
  • 32 percent increase in hemorrhagic stroke;
  • 36 percent higher incidence of younger-age-onset stroke.

Investigators analyzed 30 population-based studies conducted between 1998 and 2008 in 22 countries. They used statistical methods to link stroke risk, 30-day death rate, hemorrhagic stroke incidence and age at disease onset to three internationally accepted economic indicators. The indicators included gross domestic product, health expenditure per capita and unemployment rate. Unlike the other two indicators, unemployment rate didn't affect stroke or other outcomes.

"It is important to further discuss the health priorities for different countries," said Gustavo Saposnik, M.D., M.Sc., study co-author and director of stroke outcomes research at St. Michael's Hospital, University of Toronto, Canada. "This will provide the necessary background to help countries make the changes in how different resources and money are allocated."

Stroke is the fourth leading cause of death in the United States and a major cause of long-term disability. Worldwide, stroke is the second leading killer.

Dr. Sposato's participation was funded in part by the INECO Foundation.


Story Source:

The above story is based on materials provided by American Heart Association. Note: Materials may be edited for content and length.


Journal Reference:

  1. Luciano A. Sposato, Gustavo Saposnik. Gross Domestic Product and Health Expenditure Associated With Incidence, 30-Day Fatality, and Age at Stroke Onset: A Systematic Review. Stroke, 2011; DOI: 10.1161/STROKEAHA.111.632158

Cite This Page:

American Heart Association. "Poorer countries, those spending less on health care have more strokes, deaths." ScienceDaily. ScienceDaily, 30 October 2011. <www.sciencedaily.com/releases/2011/10/111027163109.htm>.
American Heart Association. (2011, October 30). Poorer countries, those spending less on health care have more strokes, deaths. ScienceDaily. Retrieved November 28, 2014 from www.sciencedaily.com/releases/2011/10/111027163109.htm
American Heart Association. "Poorer countries, those spending less on health care have more strokes, deaths." ScienceDaily. www.sciencedaily.com/releases/2011/10/111027163109.htm (accessed November 28, 2014).

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