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Table 2 Echocardiographic data and force-frequency relationship during dobutamine echo

From: The pressure/volume relationship during dobutamine stress echocardiography in transplanted heart: comparison with quality of life and coronary anatomy

Left Ventricular EDV (ml)

108 ± 28

Left Ventricular ESV rest (ml/m2)

23 ± 8

Left Ventricular ESV peak (ml/m2)

11 ± 6

Systolic Pressure rest (mmHg)

127 ± 13

Systolic Pressure peak (mmHg)

160 ± 27

SP/ESV index (rest)

6.22 ± 2.53

SP/ESV index (peak)

17.03 ± 7.88

ESPVR slope (χ 10-2)

21.1 ± 7.3

Δ peak – rest (mmHg/ml)

10.85 ± 6.9

Heart rate rest (b.p.m.)

82 ± 6

Heart rate peak (b.p.m.)

129 ± 15

Left Ventricular Ejection fraction (rest, %)

59 ± 8

Left Ventricular Ejection fraction (peak, %)

72 ± 9

Double product (rest)

10437 ± 1396

Double product (peak)

20838 ± 3481

Ischaemia during Dobutamine, n (%)

3 (12%)

Flat-biphasic ESPVR during Dobutamine, n (%)

4 (16%)

Critical Heart Rate (b.p.m.)

123 ± 17

Dobutamine dose 40 μg, n (%)

22 (88%)

Dobutamine dose 30 μg, n (%)

3 (12%)

On therapy at the time of stress:

 

Everolimus

10 (40%)

Tacrolimus

5 (20%)

Cyclosporine

22 (88%)

Mycophenolate mofetil

14 (56%)

Cortisone

3 (12%)

Ca-Channel Blocker

6 (24%)

Nitrates

3 (12%)

B-Blocker

19 (76%)

Diuretics

12 (48%)

Acetyl salicylic acid

23 (92%)

Amiodarone

1 (4%)

ACE-I

13 (52%)

ARBs

2 (8%)

Statins

23 (92%)

  1. ACE-I: angiotensin converting enzyme inhibitor; ARBS: Angiotensin II Receptor Blockers; EDV: end diastolic volume; ESPVR: end-systolic pressure/volume ratio; ESV: end systolic volume; SP, systolic pressure.