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Table 2 Echocardiographic and physiological findings

From: Right atrial pressure alterations during echocardiography-guided-catheterization predict tricuspid valvular impairment: a novel method for the creation of a rabbit model of Staphylococcus aureus endocarditis

Experimental design

Group A (1 × 105 CFU)

Group B (1 × 104 CFU)

 

No-IE

Faint IE

Severe IE

No-IE

Faint IE

Severe IE

Numbers

12

21

12

36

9

0

LV/RV ratio

2.05 ± 0.23

2.06 ± 0.22

1.94 ± 0.22

2.06 ± 0.35

2.01 ± 0.18

1.96 ± 0.10

VTR (m/s)

0.53 ± 0.26

0.59 ± 0.22

0.66 ± 0.24

0.53 ± 0.25

0.58 ± 0.21

0.62 ± 0.29

ΔPRA (mmHg)

2.48 ± 1.00

7.81 ± 1.21*

13.11 ± 1.31#

2.98 ± 1.08

7.6 ± 1.32*

12.73 ± 1.44#

  1. No-IE: Did not develop IE by echocardiography or by histologic findings; Faint IE: Infectious endocarditis could confirmed by histologic findings but not visualized by echocardiography; Severe IE: Infectious endocarditis confirmed by both echocardiography and histologic findings. LV: Left ventricle; RV: Right ventricle; V TR : Peak velocity of tricuspid valve regurgitation; ΔP RA : Right atrial pressure before and just after valvular impairment was used to calculate alterations of right atrial pressure, indicated as ΔPRA.
  2. * P < 0.01, Faint IE vs. None-IE; # P < 0.01, Severe IE vs. Faint IE.