Table 5 Univariable logistic regression for the composite endpoint of an unfavorable postoperative outcome in the prospective cohort.

From: Impact of the right ventricular mechanical pattern assessed by three-dimensional echocardiography on adverse outcomes following cardiac surgery

Variable

Composite endpoint

OR [95% CI]

p-value

Clinical characteristics

Age, years

1.029 [0.989–1.071]

0.156

eGFR, ml/min

0.983 [0.966–1.001]

0.061

Hematocrit, %

0.920 [0.841–1.007]

0.071

NYHA > II

4.286 [1.768–10.387]

0.001

Pulmonary hypertension*

5.389 [1.130-25.702]

0.035

Significant tricuspid regurgitation (grade ≥ 2)

2.888 [0.840–9.931]

0.092

Urgent/emergency procedure

1.825 [0.623–5.345]

0.272

3D LV echocardiographic parameters

LVEDVi, ml/m²

1.013 [0.995–1.032]

0.166

LVESVi, ml/m²

1.023 [1.002–1.045]

0.030

LVEF, %

0.975 [0.948–1.002]

0.069

LV GLS, %

1.031 [0.965–1.102]

0.364

2D RV speckle-tracking echocardiography

2D RV FWLS, %

1.049 [0.989–1.113]

0.114

2D RV GLS, %

1.058 [0.983–1.138]

0.132

ReVISION-derived 3D RV parameters

RVEDVi, ml/m²

1.026 [1.003–1.051]

0.029

RVESVi, ml/m²

1.053 [1.021–1.087]

0.001

RVEF, %

0.917 [0.871–0.964]

< 0.001

RV GLS, %

1.176 [1.060–1.305]

0.002

RV GCS, %

1.157 [1.050–1.276]

0.003

RV GAS, %

1.115 [1.042–1.193]

0.002

LEF, %

0.913 [0.843–0.990]

0.027

LEF/RVEF

1.186 [0.013-107.128]

0.941

AEF, %

0.896 [0.834–0.963]

0.003

AEF/RVEF

0.039 [0.001–2.423]

0.124

REF, %

0.928 [0.874–0.986]

0.015

REF/RVEF

0.241 [0.011–5.067]

0.360

  1. 2D = two-dimensional, 3D = three-dimensional, AEF = anteroposterior ejection fraction, CI = confidence interval, eGFR = estimated glomerular filtration rate, LEF = longitudinal ejection fraction, LV GLS = left ventricular global longitudinal strain, LVEDV(i) = left ventricular end-diastolic volume (index), LVESV(i) = left ventricular end-systolic volume (index), LVEF = left ventricular ejection fraction, NYHA = New York Heart Association, OR = odds ratio, REF = radial ejection fraction, RVEDV(i) = right ventricular end-diastolic volume (index), RVEF = right ventricular ejection fraction, RVESV(i) = right ventricular end-systolic volume index, RV FWLS = right ventricular free wall longitudinal strain, RV GAS = right ventricular global area strain, RV GCS = right ventricular global circumferential strain, RV GLS = right ventricular global longitudinal strain, *defined as systolic pulmonary artery pressure > 30mmHg.
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