Skip to main content

Table 4 Critical diameters for assessing the space in the path of the arterial tube

From: Minimally invasive apical cannulation and cannula design for short-term mechanical circulatory support devices

 

Group 1

Group 2

Group 3

p value

I1 (mm) min–max

18.8–27.5

21.3–32.1

21–31.7

0.069

Mean ± SD

23.02 ± 3.08

26.07 ± 3.62

27.3 ± 3.13

 

I2 (mm) min–max

20.2–32

26.7–41.3

24–46.5

0.018

Mean ± SD

26.32 ± 5.31

32.73 ± 5.12

35.7 ± 5.98

 

LVOT (mm) min–max

16–35.7

19.8–38.1

22–38.3

0.236

Mean ± SD

25.96 ± 5.78

28.21 ± 5.81

29.76 ± 5.98

 

Annulus (mm) min–max

18–32.2

19.7–34.2

22.7–34.6

0.075

Mean ± SD

24.82 ± 3.99

26.39 ± 4.39

28.26 ± 3.91

 

Minimum of previous diameters (mm)

16

19.7

21

 
  1. I1, I2 inner diameters of the infundibulum in 2 planes, LVOT diameter of the left ventricular outflow tract, Annulus: Diameter of the aortic valve annulus, SD standard deviation, Continuous variables are reported as mean and standard deviation; p < 0.05 indicates statistical significance