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New method quickly determines if chest pain is acute coronary syndrome

Date:
November 4, 2013
Source:
Karolinska Institutet
Summary:
Researchers have tested a new method for quickly ruling out acute myocardial infarction or other serious acute coronary disease in Emergency Department patients complaining of chest pains. The method seems able to reduce the percentage of cardiac patients who need to be kept in the hospital under observation by 10 to 20 percent. A number of hospitals in the the cities of Stockholm and Uppsala will start applying the method this winter.

Researchers at Karolinska Institutet in Sweden have tested a new method for quickly ruling out acute myocardial infarction or other serious acute coronary disease in Emergency department patients complaining of chest pains. The method, which is presented in a new doctoral thesis, seems able to reduce the percentage of cardiac patients who need to be kept in the hospital under observation by 10 to 20 percent. A number of hospitals in the the cities of Stockholm and Uppsala will start applying the method this winter.

Roughly 20 percent of all patients seeking emergency medical care at Swedish hospitals do so because of chest pains. It is difficult for doctors to promptly rule out myocardial infarction or other serious coronary problems, and even though only 8 to 10 percent of these individuals actually have a heart attack, almost half of them have to be kept in for observation. This means that many people with a perfectly benign cause of chest pain become an unnecessary burden on hospital resources.

In her doctoral thesis, Dr Dina Melki at Karolinska University Hospital's cardiology clinic in Stockholm has examined a new method of quickly ruling out a myocardial infarction or other serious coronary disease. The method involves combining the results of new sensitive assays for blood levels of troponin T (a substance released from the heart during a heart attack) with a risk-score system that takes into account the patient's medical history, age and ECG. Using this method, doctors have been able to confidently rule out serious acute coronary disease in 60 percent of the patients within their first two hours of arrival at hospital.

"The method seems to improve the way theses patients are taken care of, as it brings fewer risks and saves hospital resources, as fewer patients have to be kept under observation," says Dr Melki. "So 10 to 20 percent of those kept in today could go home instead."

The four studies comprising her thesis are based on data from almost 48,000 patients. This winter, Stockholm's and Uppsala's Accident and Emergency clinics will be embarking on a project to adopt the method in their daily clinical routines. The risk-score system is based on a point system developed by a Dutch research team.

The thesis was financed with a grant from the Heart-Lung foundation and project funds made available through an agreement between Karolinska Institutet and Stockholm County Council (ALF funding). The thesis defense was held on Friday 1 November 2013. The supervisor was docent Dr Tomas Jernberg.

The thesis can be seen at: http://hdl.handle.net/10616/41743


Story Source:

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


Cite This Page:

Karolinska Institutet. "New method quickly determines if chest pain is acute coronary syndrome." ScienceDaily. ScienceDaily, 4 November 2013. <www.sciencedaily.com/releases/2013/11/131104101114.htm>.
Karolinska Institutet. (2013, November 4). New method quickly determines if chest pain is acute coronary syndrome. ScienceDaily. Retrieved July 29, 2014 from www.sciencedaily.com/releases/2013/11/131104101114.htm
Karolinska Institutet. "New method quickly determines if chest pain is acute coronary syndrome." ScienceDaily. www.sciencedaily.com/releases/2013/11/131104101114.htm (accessed July 29, 2014).

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