India, April 6 -- Former Chelsea midfielder Oscar has retired from soccer five months after being admitted to the hospital with a heart issue, Brazilian club Sao Paulo said. Sao Paulo said the 34-year-old Oscar finalized the termination of his contract with the team this week.

The deal was set to run until the end of 2027. Oscar hasn't played for Sao Paulo since experiencing vasovagal syncope - a common cause in fainting after a sudden drop in blood pressure or heart rate - in November, requiring surgery.

He collapsed during preseason testing and was reportedly unconscious for about two minutes. Sao Paulo said at the time he "presented a complication with cardiac changes."

Oscar returned to his boyhood club on a free transfer late in 2...