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Table 2 Echocardiographic data

From: Minimally invasive aortic valve replacement with central cannulation: A cost-benefit analysis in a developing country

 

Mini-sternotomy (MS) (n = 50)

Full sternotomy (FS) (n = 52)

p

LVEF (%)

Fair (30–49%)#

5

(10)

7

(13.5)

0.58

Good (> 50%)

45

(90)

45

(86.5)

Aortic stenosis

n (%)

36

(72)

45

(86.5)

0.32

Aortic valve area (cm2)

(Mean ± SD)

1.24 ± 0.37

1.15 ± 0.53

0.72

Preoperative peak Gr. on the valve (mmHg)

(Mean ± SD)

71 ± 19.7

74.7 ± 23.7

0.38

Preoperative mean Gr. on the valve (mmHg)

(Mean ± SD)

43 ± 12.5

47 ± 17.9

0.68

Reason for operation

Severe valve pathology

22

(44)

0

(0)

< 0.001

 

Anatomical

25

(50)

46

(88.5)

 

Angina

2

(4)

5

(9.6)

 

Unknown

1

(2)

1

(1.9)

  1. LVEF left ventricular ejection fraction, Gr gradient, mmHg millimeters of mercury
  2. #Cases with LVEF < 40% were excluded as per exclusion criteria