Microbubbles of air during hemodialysis : negligible for the patient?

• The symposium covers information about the presence of microbubbles in hemodialysis. Physical basis, technical considerations and regulations will be presented by Hans-Dietrich Polaschegg (Koestenberg, Austria). Per Jonsson (Umeå, Sweden) will cover experimental projects that were focused to evaluate the presence of microbubble air as contamination in the in vitro setting and some experiences. Those data and techniques were further used in in vitro testing of prevailing materials and basis for initial clinical studies on chronic hemodialysis sessions (Bernd Stegmayr, Umeå, Sweden). The symposium will thereafter focus on more clinical studies to investigate various clinical settings in relation to micro bubble exposure. This will be presented by Ulf Forsberg (Skellefteå, Sweden). The importance of microbubbles of air may be questioned. Therefore post mortem investigations were performed on hemodialysis patients. These data will be presented by Thomas Brännström (Umeå, Sweden). The symposium will end with time for discussion.

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