A Comparison of Intranasal Dexmedetomidine and Dexmedetomidine-Ketamine Combination Sedation for Transthoracic Echocardiography in Pediatric Patients With Congenital Heart Disease: A Randomized Controlled Trial.

Objectives: To compare the effects of intranasal dexmedetomidine (DEX) and DEX-ketamine (KET) on hemodynamics and sedation quality in children with congenital heart disease.

Design: A randomized controlled, double-blind, prospective trial.

Setting: A tertiary care teaching hospital.