( nd 90 days after TIA. Since both previo...)New Tool Improves Prediction of Stroke Risk,Health

nd 90 days after TIA. Since both previous prognostic scores predicted stroke risk reliably across a wide range of populations and contained several similar components, the researchers generated a new unified score for optimum two-day risk. The new score, ABCD-squared, was a more accurate predictor of risk of stroke than either of the two previous scores, creating a single standard for use in clinical care and public education.

"Right now, there is no consensus as to who gets admitted to the hospital or has other medical intervention after a TIA," Johnston said. "We are hoping this will be a useful tool for emergency department physicians as well as those in clinics." He added that this would also be useful for patients, especially those with diabetes and the elderly.

This new scoring method assigns points to each patient on the basis of five clinical features: high blood pressure, unilateral weakness, speech impairment without weakness, diabetes and being older. The sum of the points delineate groups at high, moderate, or low-risk.

Johnston noted that while intervention such as hospitalization is costly, in the long run it could result in a cost savings because follow-up to a stroke usually involves lengthy and costly inpatient rehabilitation. Also, if the patient does have a stroke while he or she is being observed, the stroke can be treated with clot-busting drugs immediately.

In the "Lancet" report, the authors conclude: "Findings of many studies have confirmed that the short-term risk of stroke is raised after TIA. The ABCD2 score allows identification of groups at especially high risk, in whom aggressive evaluation and urgent intervention is clearly justified."

Source-Eurekalert
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