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Table 4 Hemodynamic and clinical data at the different time points: baseline, 30 min after Impella implantation, 24 h after implantation, before weaning, 24 h after weaning

From: The contemporary role of Impella in a comprehensive mechanical circulatory support program: a single institutional experience

Parameter Baseline 30 min 24 h Before Weaning 24 h after weaning P
Inotropic score, n 5 (0–20) 10 (5–20) 5 (0–6) 0 (0–4) 0 (0–4) 0.1
Ejection fraction , % 20 (11.2–25) 15 (10–45) 20 (12–29) 32 (25–45) 32 (25–45) 0.042
LV-EDD, mm 55 ± 14.9 51 ± 13.6 51 ± 7.6 49 ± 11.2 59 ± 11.2 0.7
Cardiac Index, L/min/m2 1.8 (1.3–2.6) 2.5 (1.8–3.3) 2.3 (1.8–2.6) 2.6 (2.2–2.8) 2.6 (2.2–2.8) 0.7
Systolic pressure, mmHg 114 ± 29.9 115 ± 25.9 118 ± 17.6 112 ± 25.3 112 ± 25 0.8
Mean arterial pressure, mmHg 79 ± 11.1 82 ± 12.6 77 ± 13.3 78 ± 16.4 78 ± 16.4 0.3
Wedge Pressure, mmHg 15 ± 4.2 16 ± 2.5 13 ± 4.2 14 ± 3 14 ± 3.0 0.3
Lactates, mmol/L 1.5 (1.4–11) 5.7 (2.2–7.6) 2.3 (1.6–7.4) 1 (1.0–1.7) 1.1 (1.0–1.7) 0.5
Pro-BNP, pg/ml 15102 (7847–222422) - 12541 (1812–20344) 6488 (3319–18829) 6488 (3319–18829) 0.1
Mixed SVO2, % 58 ± 9.6 65 ± 12.5 62 ± 11.6 69 ± 2.5 69 ± 2.5 0.022
  1. Data shown as number (percentage) or as median (interquartile range)
  2. LV-EDD – Left ventricular end diastolic diameter; BNP – Brain natriuretic peptide