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Table 2 Hemodynamic and SPECT data

From: Short-duration, submaximal intensity exercise stress combined with adenosine triphosphate decreases artifacts in myocardial perfusion single-photon emission computed tomography

 

Total

Group

p Value

A

A + 25 W

A + 35 W

A + 45 W

Hemodynamic parameters

 SBP pre, mmHg

144 ± 20

144 ± 21

148 ± 18

137 ± 22

148 ± 21

0.182

  post, mmHg

178 ± 41

146 ± 26

187 ± 39

175 ± 40

202 ± 37

< 0.001

 DBP pre, mmHg

76 ± 15

74 ± 15

77 ± 13

74 ± 16

80 ± 16

0.387

  post, mmHg

80 ± 28

69 ± 19

77 ± 18

80 ± 38

95 ± 30

0.013

 HR pre, bpm

76 ± 13

76 ± 12

75 ± 12

76 ± 17

78 ± 10

0.905

  post, bpm

105 ± 22

80 ± 12

107 ± 18

105 ± 17

124 ± 17

< 0.001

 RPP pre

10,902 ± 2282

10,854 ± 2236

11,054 ± 2296

10,266 ± 2260

11,476 ± 2241

0.28

  post

19,109 ± 6880

11,690 ± 2916

20,089 ± 5625

18,377 ± 4741

25,685 ± 6467

< 0.001

  delta

8207 ± 6250

836 ± 2265

9035 ± 4769

8111 ± 3554

14,209 ± 6173

< 0.001

SPECT data

 EDV stress, mL

67 ± 23

64 ± 24

72 ± 26

66 ± 23

65 ± 16

0.505

  rest, mL

68 ± 23

65 ± 24

71 ± 26

68 ± 23

66 ± 18

0.721

 ESV stress, mL

21 ± 13

21 ± 12

24 ± 16

21 ± 11

18 ± 9

0.46

  rest, mL

20 ± 13

20 ± 12

20 ± 13

20 ± 11

17 ± 9

0.672

 EF stress, %

70 ± 10

68 ± 11

70 ± 12

69 ± 8

73 ± 7

0.286

  rest, %

73 ± 9

71 ± 9

73 ± 9

72 ± 9

76 ± 8

0.286

 SSS

1.3 ± 1.2

1.0 ± 1.2

1.2 ± 1.1

1.6 ± 1.1

1.4 ± 1.2

0.345

 SRS

1.3 ± 1.6

1.0 ± 21.9

1.1 ± 1.3

2 ± 1.7

1.1 ± 1.2

0.06

 SDS

0.7 ± 0.9

0.7 ± 1.1

0.7 ± 0.8

0.6 ± 0.6

0.9 ± 1.1

0.685

  1. Data are mean ± SD
  2. SBP systolic blood pressure, DBP diastolic blood pressure, HR heart rate, RPP rate pressure product, EDV end-diastolic volume, ESV end-systolic volume, EF ejection fraction, SSS summed stress score, SRS summed rest score, SDS summed difference score
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