According to Telegram channel 112, the athlete underwent “blood cleansing” with the help of plasmapheresis.
It is noted that he was diagnosed with a second stroke, which led to blockage of blood vessels in the brain.
Kostomarov spent the night in intensive care.
On January 10, the 46-year-old figure skater was hospitalized with pneumonia.
He was taken to the intensive care unit, where he was connected to a ventilator.
In early February, it became known about the amputation of the feet and fingers of both hands.
Earlier it was reported that doctors quickly responded to Kostomarov's problem with the vessels of the brain.