venovenous access

a tube that begins at a vein and ends at a vein, used as vascular access in hemodialysis and continuous venovenous hemofiltration.

Medical dictionary. 2011.

Look at other dictionaries:

  • venovenous — ve·no·ve·nous (ve″no veґnəs) beginning at a vein and ending at a vein, such as a tube for access in hemodialysis or hemofiltration …   Medical dictionary

  • continuous venovenous hemofiltration — a form of continuous renal replacement therapy consisting of hemofiltration with venovenous access, small volume, low resistance hemofilters, and a mechanical pump; used as an alternative to conventional hemodialysis ultrafiltration …   Medical dictionary

  • hemodialysis access — hemodialysis vascular access, vascular access a tube connecting two parts of the circulatory system to provide access for hemodialysis; the usual method is arteriovenous access, although in some cases venovenous access is used …   Medical dictionary

  • continuous arteriovenous hemofiltration — an uncommon form of continuous renal replacement therapy, similar to continuous venovenous hemofiltration but with vascular access in an arteriovenous fistula, powered by the patient s own arterial pressure without need for a mechanical pump …   Medical dictionary

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