This video demonstrates the technique of DCER in a patient with C1 arch not assimilated. Here, first the margin of foramen magnum is decompressed, after which the spacers are applied within the C1/C2 spaces. This is followed by a technique of compression and extension leading to reduction of AAD.

This video has been taken from Distraction, Compression and Extension Reduction Of Basilar Invagination and Atlanto-Axial Dislocation: A Novel Pilot Technique, an article that can be read here http://journals.lww.com/neurosurgery/… . It was submitted by corresponding author Dr P Sarat Chandra, MCh, from the Department of Neurosurgery at the All India Institute of Medical Sciences in New Delhi, India.