Tran D et al. Cochrane Library. Published Online: 29 OCT 2015
DOI: 10.1002/14651858.CD002788.pub3
"Patients often require a rapid sequence induction (RSI) endotracheal intubation technique during emergencies or electively to protect against aspiration, increased intracranial pressure, or to facilitate intubation. Traditionally succinylcholine has been the most commonly used muscle relaxant for this purpose because of its fast onset and short duration; unfortunately, it can have serious side effects. Rocuronium has been suggested as an alternative to succinylcholine for intubation. This is an update of our Cochrane review published first in 2003 and then updated in 2008 and now in 2015.
Authors' conclusions
Succinylcholine created superior intubation conditions to rocuronium in achieving excellent and clinically acceptable intubating conditions."
http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD002788.pub3/abstract