Table 2. Therapeutic procedures for hepatorenal syndrome with respective level of evidence and grade of recommendation.

References	Treatment	Level of evidence	Grade of recommendation
Gonwa TA, et al.39	Liver transplant	III	A
Gines A, et al.41	Paracentesis with (> 5 l) or without albumin	III	A
Gulberg V, et al.43 and Hadengue A, et al.44	Ornipressin/terlipressin	III	A
Angeli P, et al.47	Midodrine/octreotide	III	A
Bennett WM, et al.42	Dopamine	IV	B
Gines A, et al.41	Albumin	III	B
Roberts LR, et al.40	Isotonic saline solution	IV	B
Fevery J, et al.49 and Gines A, et al.50	Prostaglandin analogues - misoprostol	IV	B
Soper CP, et al.51	Endothelin antagonist	IV	B
Holt S, et al.52	N-acetylcysteine	IV	B
Brensing KA, et al.53	Transjugular intrahepatic portosystemic shunt	IV	B
Moore K35	Dialysis	IV	B
Mitzner SR, et al.55	Molecular absorbent and recirculating system	III	B
Solis-Herruzo JA, et al.56	Lumbar sympathetic	VI	B