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Table 4 Transfusion triggers during the IVC CLAMP Trial.

From: IVC CLAMP: infrahepatic inferior vena cava clamping during hepatectomy - a randomised controlled trial in an interdisciplinary setting

Risk profile

Minimum hemoglobin (conversion factor 0.621)

< 40 years

no additional risk factors

no organ function impairment

<5.5 g/dl or 3.4 mmol/l

≥ 40 years

no additional risk factors

no organ function impairment

<6 g/dl or 3.7 mmol/l

organ function impairment

<7 g/dl or 4.3 mmol/l

coronary artery disease with no ischemia

carotid artery stenosis with no ischemia

history of transient ischemic attack

<8 g/dl or 5.0 mmol/l

coronary artery disease with ischemia e.g. troponin elevation

carotid artery stenosis with ischemia

history of stroke

<10 g/dl or 6.2 mmol/l