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Simple method devised for determining atrial fibrillation risk in women

Date:
February 26, 2013
Source:
Brigham and Women's Hospital
Summary:
Researchers have devised and tested a simple atrial fibrillation risk prediction model, based on six easily obtained factors: A woman's age, height, weight, blood pressure, alcohol consumption and smoking history.

Atrial fibrillation is the most common type of abnormal heart rhythm, affecting 2.5 million Americans. If left undetected or untreated, atrial fibrillation can lead to stroke. Determining who is at increased risk for atrial fibrillation has been difficult, especially among individuals without established heart disease. But now, researchers from Brigham and Women's Hospital have devised and tested a simple atrial fibrillation risk prediction model, based on six easily obtained factors: a woman's age, height, weight, blood pressure, alcohol consumption and smoking history.

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The model is published in the online edition of the European Heart Journal on February 26, 2013.

"The real strength of this model is its simplicity," said Brendan Everett, MD, the lead author of the study and a cardiologist at BWH. "Using this tool, we can estimate an otherwise healthy woman's risk of developing atrial fibrillation over the next 10 years. The tool only requires that a patient's health care provider know some basic information about the patient. There is no need for any advanced testing or additional cost in order to use the risk tool."

The risk prediction model was derived and tested in more than 20,000 middle aged women of European ancestry. Researchers found that the new model was significantly better at identifying women at increased risk for atrial fibrillation over the next 10 years than estimating a woman's risk of atrial fibrillation using her age alone.

"Nearly one in four women were reassigned to a more accurate atrial fibrillation risk category by using the new model," said Everett. "While specific interventions to lower a woman's risk of a first atrial fibrillation episode are still in development, this personalized information can help health care providers stress the importance of heart healthy behaviors, including weight loss and moderation of alcohol consumption."

The study also examined whether recently discovered genetic markers for atrial fibrillation risk improved researchers' ability to accurately predict a woman's risk for atrial fibrillation and indeed, the researchers found that a genetic risk score has potential to improve the ability to predict atrial fribrillation. However, Everett notes that while this information is scientifically interesting, more research on genetic testing is needed before this combination model can be recommended for use in the general public. Further research is also needed to determine if the study results would apply to men or a broader population of women.


Story Source:

The above story is based on materials provided by Brigham and Women's Hospital. Note: Materials may be edited for content and length.


Journal Reference:

  1. Brendan M. Everett, Nancy R. Cook, David Conen, Daniel I. Chasman, Paul M. Ridker, and Christine M. Albert. Novel genetic markers improve measures of atrial fibrillation risk prediction. European Heart Journal, February 26, 2013 DOI: 10.1093/eurheartj/eht033

Cite This Page:

Brigham and Women's Hospital. "Simple method devised for determining atrial fibrillation risk in women." ScienceDaily. ScienceDaily, 26 February 2013. <www.sciencedaily.com/releases/2013/02/130226141254.htm>.
Brigham and Women's Hospital. (2013, February 26). Simple method devised for determining atrial fibrillation risk in women. ScienceDaily. Retrieved October 25, 2014 from www.sciencedaily.com/releases/2013/02/130226141254.htm
Brigham and Women's Hospital. "Simple method devised for determining atrial fibrillation risk in women." ScienceDaily. www.sciencedaily.com/releases/2013/02/130226141254.htm (accessed October 25, 2014).

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