Comparison of Dexmedetomidine, Lidocaine, and Fentanyl in Attenuation Hemodynamic Response of Laryngoscopy and Intubation in Patients Undergoing Cardiac Surgery

Table 2

Intergroup comparison of HR (meaningful level .

	HR before intubation	HR in the 1^st min	HR in the 3^rd min	HR in the 5^th min	HR in the 10^th min
	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD
Dexmedetomidine	77.63 ± 10.33	75.26 ± 8.32	66.67 ± 10.79	63.77 ± 5.97	62.03 ± 5.04
Fentanyl	78.53 ± 14.83	76.90 ± 15.30	71.4617.27	67.03 ± 14.74	68.57 ± 14.09
Lidocaine	84.20 ± 20.35	84.00 ± 16.33	83.53 ± 16.10	79.20 ± 14.03	73.73 ± 16.87
value	0.22	0.038	0.001	0.001	0.003