Table 2 Functional parameters in blood pressure groups at baseline (pre) and after 6 weeks (post)

From: Individual shear rate therapy (ISRT)—further development of external counterpulsation for decreasing blood pressure in patients with symptomatic coronary artery disease (CAD)

 

BP1 (<130 mmHg)

BP2 (≥130–140 mmHg)

BP3 (>140 mmHg)

ISRT group (n = 41)

Pre

Post

p value

Pre

Post

p value

Pre

Post

p value

24-h SBP, mmHg

118 ± 6.1

114 ± 6.0

0.011

135 ± 3.3

121 ± 6.4

 < 0.001

152 ± 10.8

129 ± 11.3

0.009

24-h DBP, mmHg

69 ± 5.0

63.6 ± 8.9

0.032

74 ± 10.0

68 ± 7.5

0.002

82 ± 8.5

73 ± 8.6

0.003

Daytime SBP, mmHg

122 ± 5.7

117 ± 5.4

0.033

138 ± 4.4

123 ± 6.9

 < 0.001

155 ± 11.2

131 ± 11.6

 < 0.001

Daytime DBP, mmHg

73 ± 4.8

66 ± 9.8

0.140

77 ± 9.3

70 ± 7.7

0.002

85 ± 10.0

75 ± 6.1

0.002

Nighttime SBP, mmHg

114 ± 9.9

108 ± 9.2

0.018

130 ± 11

120 ± 8.0

0.004

145 ± 12.3

126 ± 11.4

 < 0.001

Nighttime DBP, mmHg

66 ± 4.6

59 ± 7.4

0.040

71 ± 9.0

66 ± 7.8

0.049

79 ± 7.9

70 ± 8.4

0.010

24-h MAP, mmHg

86 ± 5.0

78 ± 8.2

0.178

94 ± 7.7

85 ± 6.5

0.178

104 ± 10.4

92 ± 8.6

 < 0.001

24-h HR, bpm

67 ± 8.4

64 ± 8.5

0.370

69 ± 10.6

69 ± 9.7

0.491

74 ± 9.6

69 ± 8.4

0.030

CCS class

1.86 ± 0.8

1.21 ± 0.4

0.014

2.40 ± 0.6

1.33 ± 0.5

0.001

1.83 ± 0.8

1.33 ± 0.5

0.014

NYHA class

2.07 ± 0.8

1.36 ± 0.5

0.002

2.07 ± 0.8

1.33 ± 0.5

0.002

1.83 ± 0.7

1.17 ± 0.4

0.005

Control group (n = 43)

Pre

Post

p value

Pre

Post

p value

Pre

Post

p value

24-h SBP, mmHg

116 ± 10.1

118 ± 11.5

0.523

135 ± 2.5

134 ± 10.5

0.783

154 ± 14

153 ± 23

0.727

24-h DBP, mmHg

68 ± 7.3

70 ± 9.1

0.343

74 ± 6.5

78 ± 12.0

0.183

81 ± 15.1

78 ± 12.6

0.753

Daytime SBP, mmHg

119 ± 11.3

121 ± 12.4

0.522

138 ± 5.7

139 ± 12.6

0.813

157 ± 14.8

156 ± 25.6

0.944

Daytime DBP, mmHg

69 ± 5.8

72 ± 10.0

0.169

76 ± 11

80 ± 12.2

0.327

82 ± 15.9

80 ± 11.9

0.582

Nighttime SBP, mmHg

113 ± 9.4

116 ± 10.1

0.155

133 ± 3.5

135 ± 12.8

0.582

152 ± 13.7

152 ± 21

0.944

Nighttime DBP, mmHg

67 ± 8.3

69 ± 9.1

0.209

73 ± 6.3

76 ± 12.2

0.195

80 ± 14.5

78 ± 13.9

0.806

24-h MAP, mmHg

83 ± 6.9

87 ± 7.9

0.223

95 ± 5.4

97 ± 12

0.389

105 ± 13.2

105 ± 11.2

0.859

24-h HR, bpm

67 ± 8.4

64 ± 8.5

0.365

69 ± 10.6

69 ± 9.7

0.946

64 ± 8.4

65 ± 11.4

0.462

CCS class

2.12 ± 0.8

2.06 ± 0.7

0.564

2.08 ± 0.8

1.85 ± 0.7

0.083

2.38 ± 0.9

2.38 ± 0.7

0.919

NYHA class

2.06 ± 0.6

1.94 ± 0.7

0.157

1.77 ± 0.7

1.69 ± 0.6

0.564

1.85 ± 0.4

1.93 ± 0.4

0.869

  1. CCS Canadian Cardiovascular Society, DBP diastolic blood pressure, HR heart rate, ISRT individual shear rate therapy, MAP mean arterial pressure, NYHA New York Heart Association, SBP systolic blood pressure