None listed
Conditions
Brief summary
30 patients, above 60 years old of both sex who will be scheduled for elective abdominal surgery under general anesthesiafor more than two hours will be selected to participate in this study, Patients will be randomized into 2 groups (15 patients in each group) Group (D) Dexmeditomedine : will receive sevoflurane inhalation,fentanyl, Rocronium and Dexmeditomedine infusion (0.4 mic/kg/hour) Group (s) Sevoflorane (or the control group) will receive sevoflurane inhalation,fentanyl, Rocronium and Saline infusion . For both groups, Neurocognetive tests (Montreal Cognetive Assessment and Stroop color word interference tests) will be done the night before the surgery and will be repeated 24 hours postoperatively
Interventions
Group (D) Dexmeditomedine : will receive sevoflurane inhalation,fentanyl 100 mic, Rocronium 50 mg.and Dexmeditomedine infusion (0.4 mic/kg/hour)continous infusion from the start of the surgery till skin closure. Group (s) Sevoflorane (or the control group) will receive sevoflurane inhalation,fentany100 mic.l, Rocronium 50 mg and Saline infusion . For both groups, Neurocognetive tests (Montreal Cognetive Assessment and Stroop color word interference tests) will be done the night before the surgery and will be repeated 24 hours postoperatively
Sponsors
Study design
Eligibility
Inclusion criteria
60 years old or above, bothe sexes without any neuropsychatric disorder, Scheduled for prolonged (two hours or more) abdominal surgery
Exclusion criteria
Patients with any psychological or neurological disorder,or with preexisting cognitive dysfunction. patients with cardiac disease