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Table 3 Echocardiographic findings

From: Comparative evaluation of left ventricular mass regression after aortic valve replacement: a prospective randomized analysis

 

ROSS

n = 20

MIRA

n = 20

PRIMA PLUS

n = 20

MIRA

n = 20

PRIMA PLUS

n = 20

PERI-MOUNT

n = 20

Mean gradient (mmHg)

Preoperative

56.6 ± 12.6

59.4 ± 16.2

49.0 ± 20

52.0 ± 18

58.1 ± 18.2

50.9 ± 14.8

6 months

3.2 ± 1.7

9.3 ± 4.5

9.3 ± 6.9

10.2 ± 5.4

8.4 ± 3.6

7.3 ± 3.7

12 months

2.6 ± 1.3

9.3 ± 3.6

7.0 ± 4.7

8.9 ± 6.1

7.4 ± 4.9

6.6 ± 2.3

p-value

p = 0.005

p = NS

p = NS

Effective Orifice Area (cm2)

preoperative

0.71 ± 0.3

0.82 ± 0.2

0.85 ± 0.4

0.79 ± 0.3

0.87 ± 0.4

0.76 ± 0.3

6 months

2.10 ± 0.5

1.61 ± 0.4

1.70 ± 0.5

1.68 ± 0.4

1.63 ± 0.4

1.51 ± 0.6

12 months

2.50 ± 0.6

1.81 ± 0.3

1.91 ± 0.7

1.84 ± 0.5

1.83 ± 0.6

1.92 ± 0.8

p-value

p = 0.005

p = NS

p = NS

EF (%)

preoperative

66.3 ± 7.9

67.2 ± 6.8

62.1 ± 7.2

65.0 ± 6.1

65.9 ± 7.4

66.6 ± 8.6

6 months

66.4 ± 8.3

65.8 ± 7.8

65.4 ± 6.9

64.3 ± 7.2

67.6 ± 8.7

66.2 ± 10.5

12 months

67.5 ± 8.1

65.0 ± 10.7

66.9 ± 8.1

65.9 ± 6.8

66.6 ± 8.1

64.7 ± 11.2

p-value

p = NS

p = NS

p = NS

Left Ventricular Posterior Wall Thickness (cm)

preoperative

1.95 ± 0.3

1.81 ± 0.2

1.99 ± 0.5

2.01 ± 0.4

1.93 ± 0.3

1.98 ± 0.2

6 months

1.53 ± 0.3

1.45 ± 0.1

1.61 ± 0.3

1.65 ± 0.2

1.63 ± 0.2

1.66 ± 0.1

12 months

1.32 ± 0.2

1.24 ± 0.2

1.28 ± 0.2

1.24 ± 0.2

1.26 ± 0.2

1.32 ± 0.2

p-value

p = NS

p = NS

p = NS

Interventricular Septum Thickness (cm)

preoperative

1.98 ± 0.2

1.82 ± 0.4

1.95 ± 0.3

1.97 ± 0.2

1.94 ± 1.9

1.91 ± 0.9

6 months

1.70 ± 0.2

1.60 ± 0.2

1.60 ± 0.2

1.69 ± 0.3

1.54 ± 0.2

1.51 ± 0.2

12 months

1.34 ± 0.1

1.24 ± 0.1

1.29 ± 0.3

1.32 ± 0.2

1.24 ± 0.3

1.28 ± 0.2

p-value

p = NS

p = NS

p = NS

Left Ventricular Mass Index (g/m2)

preoperative

185 ± 42.3

179 ± 38.6

181 ± 40.9

182 ± 39.2

174 ± 34.3

180 ± 40.5

6 months

149 ± 34.1

141 ± 35.4

143 ± 34.2

145 ± 32.8

130 ± 31.0

132 ± 36.1

12 months

114 ± 27.2

110 ± 30.2

109 ± 29.3

111 ± 27.6

104 ± 28.5

106 ± 32.5

p-value

p = NS

p = NS

p = NS

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Journal of Cardiothoracic Surgery

ISSN: 1749-8090

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