Timing of Cardiac Arrest May Affect Survival
Survival rates are rising for people who have cardiac arrest while in the hospital, a new study finds.
But if cardiac arrest happens at night or on a weekend, you're more likely to die than if it happens on a weekday.
The odds of surviving an "off-hours" cardiac arrest are nearly 4 percent lower than for people who have cardiac arrest in the daytime during the week, the study found.
Cardiac arrest is not the same as a heart attack. A heart attack occurs when blood flow to the heart is blocked because of a circulation problem, according to the doctors.
Cardiac arrest, on the other hand, occurs when the heart malfunctions and unexpectedly stops beating -- described by doctors as an "electrical" problem.
The new study findings came from an analysis of data from 2000 through 2014 on more than 151,000 adults who had a cardiac arrest while hospitalized in a country.
In that time period, overall rates of survival at least until discharge from the hospital increased from 16 percent to 25 percent for those who had cardiac arrest on a weekday. Survival also improved for those with an off-hours cardiac arrest, from nearly 12 percent to 22 percent. However, that was 3.8 percent lower than patients whose cardiac arrest occurred during a weekday, the researchers noted.
Each year, about 200,000 people experience cardiac arrest while in the hospital, according to the study authors.
"Nearly 50 percent of in-hospital cardiac arrests take place during off-hours. By determining how survival has changed in recent years, we may be able to identify opportunities for quality improvement efforts," the study's lead author said in a news release.
"If we can improve survival for cardiac arrests that occur during off-hours, it could impact a substantial number of patients," said the Dr. He is an attending physician with the division of critical care medicine at a hospital.
But if cardiac arrest happens at night or on a weekend, you're more likely to die than if it happens on a weekday.
The odds of surviving an "off-hours" cardiac arrest are nearly 4 percent lower than for people who have cardiac arrest in the daytime during the week, the study found.
Cardiac arrest is not the same as a heart attack. A heart attack occurs when blood flow to the heart is blocked because of a circulation problem, according to the doctors.
Cardiac arrest, on the other hand, occurs when the heart malfunctions and unexpectedly stops beating -- described by doctors as an "electrical" problem.
The new study findings came from an analysis of data from 2000 through 2014 on more than 151,000 adults who had a cardiac arrest while hospitalized in a country.
In that time period, overall rates of survival at least until discharge from the hospital increased from 16 percent to 25 percent for those who had cardiac arrest on a weekday. Survival also improved for those with an off-hours cardiac arrest, from nearly 12 percent to 22 percent. However, that was 3.8 percent lower than patients whose cardiac arrest occurred during a weekday, the researchers noted.
Each year, about 200,000 people experience cardiac arrest while in the hospital, according to the study authors.
"Nearly 50 percent of in-hospital cardiac arrests take place during off-hours. By determining how survival has changed in recent years, we may be able to identify opportunities for quality improvement efforts," the study's lead author said in a news release.
"If we can improve survival for cardiac arrests that occur during off-hours, it could impact a substantial number of patients," said the Dr. He is an attending physician with the division of critical care medicine at a hospital.
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Labels: blocked, cardiac arrest, circulation problem, electrical problem, Survival rates, time, week-day, week-end
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