|
Mitral filling volume and diastolic filling rate |
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| EXERCISE |
DIP |
PACING |
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|
|
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| Pt n° |
64 |
32 |
6 |
||
| Age (years) |
57 ± 13 |
Δ |
66 ± 11 |
68 ± 10 |
|
| Gender (M/F) |
44/20 |
20/12 |
4/2 |
||
| HR rest (bpm) |
70 ± 14 |
67 ± 12 |
71 ± 10 |
||
| HR peak (bpm) |
129 ± 22 |
Δ |
85 ± 13 |
* |
132 ± 13 |
| Diastolic time rest (msec) |
531 ± 148 |
Δ |
623 ± 135 |
600 ± 108 |
|
| Diastolic time peak (msec) |
245 ± 58 |
Δ |
377 ± 87 |
* |
211 ± 48 |
| Mitral filling volume rest (= stroke volume index rest), ml/m2 |
28 ± 7 |
30 ± 7 |
35 ± 9 |
||
| Mitral filling volume peak (= stroke volume index peak), ml/m2 |
30 ± 8 |
‡ |
33 ± 9 |
* |
21 ± 6 |
| diastolic filling rate rest (= mitral filling volume/diastolic time * 1,000), ml/m2 * s -1 |
105 ± 36 |
90 ± 26 |
117 ± 57 |
||
| diastolic filling rate peak (= mitral filling volume/diastolic time*1,000), ml/m2 * s -1 |
248 ± 95 |
Δ |
164 ± 60 |
191 ± 58 |
|
| Cardiac index rest (ml/m2 * min) |
1915 ± 605 |
1987 ± 4922 |
2473 ± 709 |
||
| Cardiac index peak (ml/m2 * min) |
3883 ± 1176 |
§ |
2783 ± 913 |
2745 ± 767 |
|
|
§= significant differences between exercise and both dipyridamole and pacing stress pts; ‡ = significant differences between exercise and pacing stress pts; * = significant differences between dipyridamole and pacing stress pts; Δ = significant differences between exercise and dipyridamole stress pts. | |||||
Bombardini et al. Cardiovascular Ultrasound 2008 6:15 doi:10.1186/1476-7120-6-15 |
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