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Table 2 CMR and CMRS results

From: The interplay between metabolic alterations, diastolic strain rate and exercise capacity in mild heart failure with preserved ejection fraction: a cardiovascular magnetic resonance study

  HFpEF
(n = 27)
Healthy Controls
(n = 14)
P value
PCr/ATP ratio 1.60 ± 0.09 2.00 ± 0.10 0.005
Cardiac lipid/water (%) 1.45 ± 0.25 0.64 ± 0.16 0.009
Diastolic strain rate (%/s) 84.6 ± 5.3 110.4 ± 5.5 0.002
Systolic circumferential strain (%) −19.5 ± 0.4 −21.8 ± 0.5 0.002
LV end-diastolic volume (ml/m2) 62 ± 2 66 ± 4 0.20
LV end-systolic volume (ml/m2) 18 ± 2 20 ± 2 0.40
LV stroke volume (ml) 87 ± 3 92 ± 6 0.38
LV ejection fraction (%) 72 ± 1 70 ± 2 0.48
LV wall thickness (mm) 13 ± 1 9 ± 1 < 0.001
LV mass (g) 101 ± 5 90 ± 6 0.22
LV mass index (g/m2) 54 ± 3 50 ± 3 0.39
LV mass/EDV (g/mL) 0.86 ± 0.05 0.68 ± 0.05 0.03
  1. Values are mean ± SE
  2. EDV End-diastolic volume, LV Left ventricular, PCr Phosphocreatine, ATP Adenosine triphosphate