
Dexmedetomidine Pretreatment Confers Myocardial Protection and Reduces Mechanical Ventilation Duration for Patients Undergoing Cardiac Valve Replacement under Cardiopulmonary Bypass
This study investigates the effects of dexmedetomidine (Dex) pretreatment in patients undergoing cardiac valve replacement under cardiopulmonary bypass. In the Dex group, the time