Table 1.

Renal replacement therapy treatment modality options

Basis	Modalities
Duration of therapy	Intermittent versus continuous
Membrane permeability	High flux versus low flux
Treatment technique	Diffusion or haemodialysis versus convection or haemofiltration versus a combination or haemodiafiltration
Equipment	Single-pass batch system versus regular haemodialysis machine versus continuous renal replacement therapy machine
Anticoagulation used	No anticoagulation versus heparin (low molecular weight or unfractionated) versus citrate versus less frequently used strategies (for example, prostacyclin or argatroban)