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Table 1 Ex-vivo normothermic perfusion (EVNP) assessment score

From: The use of ex-vivo normothermic perfusion for the resuscitation and assessment of human kidneys discarded because of inadequate in situ perfusion

EVNP assessment

Point

Macroscopic assessment

 Grade I: Excellent perfusion (global pink appearance)

1

 Grade II: Moderate perfusion (patchy appearance)

2

 Grade III: Poor perfusion (global mottled and purple/black appearance)

3

Renal Blood flow

 Threshold ≥50 ml/min/100 g

0

 Threshold <50 ml/min/100 g

1

Total urine output

 Threshold ≥43 ml

0

 Threshold <43 ml

1

  1. Macroscopic assessment, thresholds of renal blood flow and urine output. Scores ranges from 1 to 5, 1 indicating the least injury to 5 the most severe