Journal of Neuroanaesthesiology and Critical Care [Thieme Medical and Scientific Publishers Private Ltd. 15th Annual Conference of the Indian Society of Neuroanaesthesiology and Critical Care - Jaipur, India (2014.01.31-2014.02.02)] 15th Annual Conference of the Indian Society of Neuroanaesthesiology and Critical Care - 3. Acute kidney injury in post operative neurosurgery patients in ICU: A comparison between the RIFLE and the AKIN classifications