Kaur K, Bhardwaj M, Kumar P, Lal J, Johar S, Hooda S. Acta Anaesthesiol Taiwan. 2014 Mar;52(1):41-2
Image quality and trauma evidence were measured in 10 adult patients undergoing MRI. Authors conclude I-gel causes the least ferromagnetic interference compared with other devices and improves the image quality.
Link to abstract