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Table 3 Time intervals and indices of left ventricular function

From: Early-stage heart failure with preserved ejection fraction in the pig: a cardiovascular magnetic resonance study

 

Controls (n = 7)

DOCA (n = 5)

Controls vs. DOCA

Parameter

Rest

Stress

p

Rest

Stress

p

prest

pstress

PET (ms)

82 ± 24

46 ± 23

0.006

110 ± 19

46 ± 16

0.007

0.053

0.972

PFTE (ms)

382 ± 35

286 ± 19

< 0.001

389 ± 37

289 ± 34

0.001

0.752

0.831

PFTA (ms)

586 ± 36

446 ± 13

< 0.001

622 ± 66

485 ± 67

0.007

0.255

0.160

IVRT (ms)

80 ± 15

78 ± 16

0.786

99 ± 10

93 ± 17

0.618

0.034

0.146

IVCT (ms)

46 ± 14

28 ± 8

0.013

56 ± 9

34 ± 11

< 0.001

0.175

0.330

LVET (ms)

205 ± 36

141 ± 22

0.008

194 ± 29

129 ± 53

0.005

0.600

0.606

IMP

0.64 ± 0.23

0.77 ± 0.18

0.353

0.82 ± 0.17

1.20 ± 0.82

0.313

0.179

0.201

tdiastase (ms)

90 ± 34

55 ± 28

0.017

94 ± 43

67 ± 14

0.139

0.858

0.408

  1. PET peak ejection time, PFT E early diastolic peak filling time, PFT A late diastolic peak filling time, IVRT isovolumetric relaxation time, IVCR isovolumetric contraction time, LVET left ventricular ejection time, IMP index of myocardial performance, t diastase duration of left ventricular diastasis
  2. p is related to the rest-stress comparison within each group. prest and pstress relate to group comparisons at rest and stress, respectively
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Journal of Cardiovascular Magnetic Resonance

ISSN: 1532-429X

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