Prophylactic intravenous dexamethasone versus dexmedetomidine for prevention of post spinal shivering in parturients undergoing elective lower segment cesarean section :A prospective randomized controlled trial

INTERVENTION: Intervention1: Intravenous administration of dexamethasone: Prophylactic intravenous administration of dexamethasone 0.1mg/kg in parturient undergoing elective lscs Control Intervention1: Intravenous administration of dexmedetomidine: Intravenous administration of dexmedetomidine 0.5mcg/kg diluted to 10 ml administered immediately after spinal anaesthesia CONDITION: Health Condition 1: O94‐ Sequelae of complication of pregnancy, childbirth, and the puerperium PRIMARY OUTCOME: Incidence and severity of post‐spinal shivering in parturients undergoing elective lscsTimepoint: From administration of spinal anaesthesia up to 90 minutes post‐opratively as per protocol SECONDARY OUTCOME: 1 Hemodynamic changes ; 2 Hypotention bradycardia nausea vomitingTimepoint: Every 2 minutes then every 5 minutes then every 10 minutes intraoperative & postoperative period ; INCLUSION CRITERIA: 1‐ASA physical status I & II. 2‐Singleton term pregnancy 3‐Caesarean delivery 4‐Age 18‐40 Years 5‐All elective LSCS