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Mayo Clinic identifies new risk factor for heart attack patients
Date:11/5/2007

tent with a heart attack which are not relieved after five minutes, or after placing one nitroglycerin pill under the tongue, the patient should call 911.

About the Study

The records that the team reviewed document how long it took for 440,398 heart attack patients to arrive at the hospital after their symptoms started, and correlate arrival time with the rates of reperfusion therapy they received upon arriving at the hospital.

Results show that:

  • Of patients who arrived at the hospital within one to two hours of onset of heart attack, 77 percent received reperfusion therapy.

  • Of patients who arrived at the hospital within two to three hours of onset of heart attack, 73 percent received reperfusion therapy.

  • Of patients who arrived at the hospital within 11 to 12 hours of onset of heart attack, only 46 percent of patients received reperfusion therapy.

Although current guidelines recommend that STEMI patients who reach the hospital within 12 hours after their symptoms started should receive reperfusion therapy, we found that this is not happening, Dr. Ting says. These delays represent a novel and modifiable risk factor and warrant further investigation. These results show that gaps remain in quality of care in patients with STEMI -- first, we need to encourage patients with potential heart attacks to come to the hospital as early as possible; second, hospitals need to implement systems that treat all eligible patients rapidly regardless of the delay in presentation.


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Contact: Traci Klein
newsbureau@mayo.edu
507-284-5005
Mayo Clinic
Source:Eurekalert

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