In this study, 912 cases of ischemic stroke in 48 hours were included in 5 centers in China according to the principle of random, double-blind and parallel control .The experimental group receive basic treatment and remote ischemic conditioning for 200mmHg, 2 times per day for 7 consecutive days .The control group receive basic treatment and remote ischemic conditioning control for 60mmHg, 2 times per day, 7 days in a row . Two groups will be followed up for 90 days to evaluate the efficacy and safety of remote ischemic conditioning therapy.
he purpose of this study is to determine the efficacy and safety of remote ischemic conditioning for acute ischemic stroke.