Those who were vitamin D deficient at the time of cardiac arrest were more likely to die and seven times more likely to have poor brain function following, in a new study recently presented at the annual meeting of the Acute Cardiovascular Care Association.

The research out of South Korea examined 53 patients who had been resuscitated following cardiac arrest, an abrupt loss of heart function. Six months after discharge from the hospital, 29 percent of vitamin D deficient patients had died, while all patient with normal levels were still living.

Also, sixty-five percent of the vitamin D deficient patients had a poor neurological outcome, compared to just 23% of those with vitamin D levels in the normal range. Through a logistic analysis, the researchers concluded that those with vitamin D deficiency are seven times more likely to have poor brain function after cardiac arrest.

“Our findings suggest that vitamin D deficiency should be avoided, especially in people with a high risk of sudden cardiac arrest,” co-author Dr. Jni Wi said. “People are at higher risk if they have a personal or family history of heart disease including heart rhythm disorders, congenital heart defects and cardiac arrest.”

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