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Table 3 Comparison of our results with two previous studies in healthy individuals using commercial cycle ergometer

From: Design and testing of an MRI-compatible cycle ergometer for non-invasive cardiac assessments during exercise

 

This study

Roest et al. (2001) [5]

Roest et al. (2004) [6]

n

8

8

14

Age (years)

25.3 ± 4

17.5 ± 2.3

24.8 ± 5.2

Weight (kg)

67 ± 10

67 ± 12

74 ± 11

Height (m)

1.74 ± 0.07

1.74 ± 0.10

1.78 ± 0.06

VO 2max (mlO 2 /Kg/min)

34.8 ± 5.4

39 ± 5

42 ± 5

Rest heart rate (beats/min)

67 ± 15

71 ± 10

67 ± 8

Exercise

   

    Heart rate (beats/min)

110 ± 1

121 ± 14

122 ± 8

    EDV (ml)

142.4 ± 25.1

138 ± 27

148 ± 26

    ESV (ml)

36.2 ± 10.2

36 ± 12

36 ± 14

    SV (ml)

105.7 ± 18.7

102 ± 19

112 ± 15

    CO (L/min)

11.6 ± 2.1

12.3 ± 2.3

 

    EF (%)

74.3 ± 4.7

74 ± 6

77 ± 6

    LVM (g)

128 ± 28

-

133 ± 21

    Workload (W)

96 ± 27

130 ± 21

132 ± 16

  1. Data are mean ± SD. EF: ejection fraction; LVM: left ventricular mass; EDV: end-diastolic volume; ESV: end-systolic volume; SV: stroke volume; CO: cardiac output.
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