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Rapid Cooling May Help When Heart Attack Hits

Swedish researchers examined the use of a device called RhinoChill, which cools the brains of heart attack patients during ongoing cardiopulmonary resuscitation (CPR). 

The median time between cardiac arrest onset and the start of cooling was 23 minutes. On arrival at hospital, the average body temperature of cooled patients was 93.56 degrees F, compared with 95.9 degrees for standard care patients. 

The study found that 46.7 percent of patients in the cooling group survived to hospital discharge, compared with 31 percent of patients who received standard care.   In addition, some 36.7 percent of those in the cooling group and 21.4 percent of those in the standard care group were in good neurological condition when discharged from the hospital. 

Patients who received a combination of early CPR — started within six minutes of collapse — and cooling had the best outcomes.   The researchers noted that the earlier you can do the cooling, the better. When resuscitation efforts were delayed, there was no significant difference in survival.  

The study was to be presented Nov. 15 at an American Heart Association’s annual meeting in Orlando, Fla.

According to the American Association for Critical Illness Insurance, some785,000 Americans will have a new cornary attack this year.

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