Docs reroute shared vein Team to spend two to four days on operation

SINGAPORE: Neurosurgeons performing a marathon operation to separate Iranian twin sisters joined at the head completed one of the most dangerous steps by rerouting a shared vein as thick as a finger that helped blood flow through their brains, a hospital official said yesterday. 

An international team of five neurosurgeons successfully attached a new vein and began separating 29-year-old Ladan and Laleh Bijani's brains in an unprecedented operation expected to last two to four days, a Raffles Hospital official said on condition of anonymity.