Comparison of fentanyl versus meperidine as supplements to epidural clonidine-bupivacaine in patients with lower limb orthopedic surgery under combined spinal epidural anesthesia

Table 4 Comparison of mean values of heart rate in the studied groups

	Pre-ope	5 min	15 min	30 min	45 min	60 min	90 min	120 min	3 h	6 h	12 h	24 h
Fentanyl group (n = 45)	87.7 ± 14.9	82.6 ± 13.7	77.5^a ± 14.5	72.9^a ± 12.5	75.5^a ± 16.4	78.5 ± 15.5	81.6 ± 11.7	82.3 ± 13.6	83.6 ± 15.4	84.3 ± 16.7	84.8 ± 18.3	85.4 ± 17.8
Meperidine group (n = 45)	86.8 ± 15.5	81.3 ± 13.4	76.2^a ± 12.84	81.3^b ± 18.5	83.4^b ± 13.6	83.7^b ± 15.8	84.9 ± 12.7	85.4 ± 14.3	86.5 ± 16.9	87.2 ± 14.7	87.8 ± 11.5	88.6 ± 16.4
Clonidine group (n = 45)	85.5 ± 19.2	85.7 ± 15.8	78.2^a ± 16.9	74.4^a ± 17.3	76.5 ± 16.l	78.7 ± 15.7	82.9 ± 18.5	83.2 ± 14.8	84.5 ± 12.6	85.7 ± 13.5	86.3 ± 11.9	87.6 ± 12.8

ISSN: 1471-2253