Gautam NK, et al. – The incidence of junctional ectopic tachycardia (JET) was assessed in cases wherein dexmedetomidine (DEX) infusion was initiated before surgical incision and cardiopulmonary bypass (CPB) versus those with initiation after CPB. In patients undergoing congenital heart surgeries involving repair of ventricular septal defect, a reduced risk of postoperative JET was significantly associated with preincision initiation of DEX and its continued use during the immediate postoperative period.