Fig. 3From: Dexmedetomidine is safe and reduces the additional dose of midazolam for sedation during endoscopic retrograde cholangiopancreatography in very elderly patientsThe mean lowest systolic blood pressure during the examination. The decreases were significant in both the groups when compared with the values before the examination. In the conventional group, the post-test blood pressure improved, whereas in the DEX group, the decrease in blood pressure was significantly prolonged even after the examination. * < 0.01Back to article page