Overview Effect of Dexmedetomidine and Propofol on Regional Cerebral Tissue Oxygen Saturation Status: Completed Trial end date: 2019-01-21 Target enrollment: Participant gender: Summary 50 patients divided into 2 groups .Group I Dexmedetomidine infusion. Group II with Propofol infusion Phase: N/A Details Lead Sponsor: Ain Shams UniversityTreatments: DexmedetomidinePropofol