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Table 2 Diastolic Filling Parameters

From: Impact of diastolic dysfunction severity on global left ventricular volumetric filling - assessment by automated segmentation of routine cine cardiovascular magnetic resonance

 

Normal Diastolic

Filling

(n = 40)

Grade 1

Diastolic Dysfunction

(n = 21)

Grade 2

Diastolic Dysfunction

(n = 45)

Grade 3

Diastolic Dysfunction

(n = 9)

P

Cardiovascular Magnetic Resonance

     

   E:A Ratio

3.1 ± 2.4

1.1 ± 0.4

1.9 ± 1.4

4.8 ± 3.3

< 0.001

   Diastolic Volume Recovery (% diastole)

65 ± 16

81 ± 5

73 ± 13

58 ± 15

< 0.001

   Time to Peak Filling Rate (msec)

174 ± 119

321 ± 205

221 ± 136

136 ± 36

0.001

   Peak Filling Rate (ml/sec)

266 ± 76

207 ± 58

231 ± 73

353 ± 91

< 0.001

   Normalized Peak Filling Rate

3.3 ± 1.2

2.7 ± 0.6

3.0 ± 0.7

4.1 ± 0.8

0.001

Echocardiography

     

   E:A Ratio

1.4 ± 0.4

0.9 ± 0.3

1.3 ± 0.3

3.1 ± 1.2

< 0.001

   Deceleration time (msec)

187 ± 33

249 ± 41

185 ± 40

127 ± 16

< 0.001

   Isovolumic relaxation time (msec)

90 ± 12

96 ± 15

89 ± 17

73 ± 11

0.02

   Tissue Doppler e'/a' (septal)

1.1 ± 0.3

0.6 ± 0.2

0.8 ± 0.3

1.2 ± 0.5

< 0.001

   Tissue Doppler e'/a' (lateral)

1.8 ± 0.6

0.8 ± 0.3

1.0 ± 0.5

1.9 ± 0.6

< 0.001

   E/e' (mean e')

6.3 ± 2.0

7.8 ± 2.6

9.5 ± 2.6

15.0 ± 8.9

< 0.001