Communist Party of India-Marxist patriarch Jyoti Basu on Thursday's night underwent a two-hour haemodialysis after further deterioration in his cardiac and renal functions and his condition was unstable and very critical, his personal physician A K Maity said.
"He received haemodialysis well, but his condition remains very critical and unstable," Maity, who is on the medical board at AMRI Hospital, where the 95-year-old former chief minister Basu is admitted, told PTI.
Maity, who was accompanied by cardiologist Suvanan Roy, said "If required, we will put him on dialysis for another two hours
Basu's other health parameters were being monitored, Maity said, adding some members of the medical Board would meet late Thursday night for a review.
Earlier, AMRI Hospital Executive Director D N Agarwal said he had been put on haemodialysis, which would continue for four hours.
"After monitoring the haemodialysis for four hours to clear accumulated toxins in the blood, the doctors will be in a position to say whether he is able to accept it," he said.
There was a also large mobilisation of police near the hospital.
