randomised controlled trial
Method: prospective, randomised controlled trial (RCT) in 60 patients over 70 years old randomisedly divided into 2 groups: either spinal anesthesia or LMA anesthesia.
Method : prospective, randomised controlled trial ( RCT ) in 60 patients over 70 years old randomisedly divided into 2 groups : either spinal anesthesia or LMA anesthesia .