What do systematic reviews say?

Citrate vs unfractionated heparin

Citrate showed no clear difference in recovery of kidney function compared with unfractionated heparin (low certainty).

• Pharmacological interventions for preventing clotting of extracorporeal circuits during continuous renal replacement… 2020 · Cochrane Headline outcomes only
  RR 1.04 [0.89, 1.21]
  2 studies · 214 participants
  Low