Spinal Anesthesia Duration Clinical Trials in Port Said

Comparative Analysis of Intraoperative Effect Dexmedetomidine and Fentanyl as an Adjuvant to Heavy Bupivacaine in Spinal Anaesthesia in Lower Limb Orthopedic Surgeries to Evaluate the Hemodynamic Stability and Onset and Duration of Motor Block of Using Intrathecal Dexmedetomidine and Fentanyl