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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.