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Table 2 Preoperative echocardiographic and cardiac catheterization data

From: Surgery for severe aortic stenosis with low transvalvular gradient and poor left ventricular function – a single centre experience and review of the literature

Parameters LG-Group HG-Group
TVG (mmHg) 35 (25–40) 90 (60–120)
LVEF (%) 30 (12–40) 25 (15–40)
AVA (cm2) 0.7 (0.6–0.9) 0.5 (0.3–0.6)
LVEDP (mmHg) 40 (20–44) 24 (18–32)
LVESD (mm) 50 (39–64) 44 (24–50)
LVEDD (mm) 70 (52–74) 60 (46–70)
PAP (mmHg) 44 (25–80) 30 (18–90)
C.I. (L/min/m2) 1.8 (1.7–2.2) 2.0 (1.8–2.5)
  1. AVA aortic valve area, C.I. Cardiac index, HG high gradient, LG low gradient, LVEDD left ventricular end-diastolic diameter, LVEDP left ventricular end-diastolic pressure, LVEF left ventricular ejection fraction, LVESD left ventricular end-systolic diameter, PAP pulmonary artery pressure, TVG mean aortic transvalvular gradient
  2. Data are given as mean values with ranges in brackets