Table 4 Hemodynamic changes before and after administration in the four groups (\( \overline{x}\pm s \))

125.3 ± 10.1

122.7 ± 9.8

119.1 ± 7.5

119.6 ± 10.3

135.9 ± 11.5^b

133.6 ± 11.3^b

124.7 ± 10.5^a

122.4 ± 10.7^a

75.9 ± 8.5

75.6 ± 10.5

74.2 ± 7.4

72.7 ± 8.7

82.2 ± 9.7^b

82.7 ± 8.7^b

72.7 ± 8.7^a

72.7 ± 8.7^a

85.6 ± 13.3

79.1 ± 13.9

75.1 ± 9.7

75.5 ± 8.7

81.1 ± 6.7^a

82.5 ± 8.8^a

81.4 ± 8.1^a

80.7 ± 7.7^a

124.5 ± 12.5

122.5 ± 11.2

122.7 ± 9.6

121.1 ± 10.8

121.2 ± 11.3^a

122.7 ± 10.2^a

121.5 ± 11.8^a

120. ± 11.1^a

78.6 ± 9.2

76.0 ± 8.7

73.5 ± 7.9

74.9 ± 7.3

75.7 ± 8.4^a

76.1 ± 5.3^a

76.6 ± 2.9^a

76.3 ± 4.3^a

87.0 ± 9.7

83.5 ± 10.2

83.4 ± 11.2

82.7 ± 11.4

83.4 ± 10.3^a

84.5 ± 10.4^a

83.7 ± 11.5^a

84.1 ± 10.2^a

123.6 ± 9.8

120.3 ± 9.2

120.2 ± 10.4

119.3 ± 10.6

122.6 ± 10.1^a

124.8 ± 10.5^a

125.3 ± 11.4^a

121.9 ± 10.1^a

79.4 ± 7.1

76.6 ± 6.4

75.4 ± 6.5

76.1 ± 8.7

79.6 ± 8.2^a

80.7 ± 8.7^a

79.4 ± 5.7^a

79.8 ± 8.2^a

87.3 ± 10.6

86.5 ± 13.3

84.5 ± 10.6

85.3 ± 10.4

89.8 ± 10.3

90.3 ± 9.4

89.3 ± 1.8

89.6 ± 7.5

124.6 ± 8.8

123.1 ± 9.8

125.2 ± 10.4

123.3 ± 10.9

141.7 ± 10.3^b

143.6 ± 11.9^b

139.9 ± 12.1^b

138.7 ± 10.4^b

77.4 ± 8.1

78.6 ± 11.0

78.4 ± 6.5

76.5 ± 5.7

85.5 ± 7.3^b

86.5 ± 5.7^b

85.5 ± 5.9^b

83.5 ± 4.8^b

86.3 ± 10.1

85.1 ± 13.9

86.5 ± 10.6

84.9 ± 9.9

95.5 ± 5.8^b

96.9 ± 9.3^b

94.9 ± 5.1^b

94.3 ± 9.7^b