Current and emerging cardiac markers signal improved testing for better patient outcomes
Cardiovascular diseases continue to be the leading cause of death in the United States, responsible for nearly 800,000 deaths annually—or about one in every three deaths. Heart disease is the leading cause of death for both men and women, claiming the lives of about 610,000 Americans each year.1Coronary artery disease is the most common type of heart disease, killing more than 370,000 people annually.
In addition, about 5.1 million people in the United States have heart failure.2About half of the people who develop heart failure die within 5 years of diagnosis. In 2009, one out of every nine deaths included heart failure as a contributing cause. Heart failure costs the nation an estimated $32 billion each year.
In light of such dire statistics, it’s no wonder that achieving speedy diagnosis of acute myocardial infarction (AMI)—heart attack—remains a significant concern in emergency departments throughout the nation. Early triage of patients to rule-in or rule-out AMI is challenging. For many years, testing for the presence of the regulatory proteins troponin I or troponin T—both released into the bloodstream when the heart muscle has been damaged—has been the gold standard for diagnosing AMI. But recent reports have indicated that the latest generation of high-sensitivity troponin tests can increase diagnostic efficiency and improve early diagnosis of myocardial infarction.
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| Alere’s troponin I test is a cartridge-based high-sensitivity immunoassay. |
Source: clpmag
