ED50 of Intranasal Dexmedetomidine Sedation for Transthoracic Echocardiography in Children with or without a History of Cardiac Surgery for Cyanotic Congenital Heart Disease

Table 2

Demographic data and baseline scores after intranasal dexmedetomidine sedation.

	Before sedation (baseline value)		During sedation		During regaining consciousness
	Group A	Group B	Group A	Group B	Group A	Group B
HR (/min)
SpO2
SBP (mmHg)
DBP (mmHg)

Note: data are presented as . SBP: systolic blood pressure; DBP: diastolic blood pressure. HR: heart rate; SpO₂: pulse oxygen saturation. ^#Intergroup difference, . There was a significant difference in SpO₂ between the two groups because these children were divided according to the surgery: group A with a history of heart surgery and group B without a history of heart surgery.