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Table 2 Significant measures for defining the length of the double-lumened part of the cannulas

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

 

Group 1

Group 2

Group 3

p value

Patients number

5

7

12

 

AMV (mm) min–max

64.6–74

64.1–77.6

66.6–86

0.023

Mean ± SD

68.68 ± 3.52

70.71 ± 5.12

76.63 ± 6.45

 

Minimum of AMV (mm)

64.6

64.1

66.6

 

Maximum of AWT (mm)

5

4.3

4.2

 

Sum maximum of AWT and minimum of AMV (mm)

69.6

68.4

70.8

 
  1. AMV distance between the inner side of the apex and the margin of the anterior mitral leaflet in an opened position, AWT apical wall thickness of the left ventricle at the cannula penetration point, SD standard deviation; Continuous variables are reported as mean and standard deviation; p < 0.05 indicates statistical significance