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Biomedical subjects

O Drachmann

Publications and source records attributed to O Drachmann.

14 recordsLinked to original sources

Plasmapheresis in hyperviscosity syndrome.

Three patients with Waldenström's macroglobulinaemia developed circulatory complications due to increased plasma viscosity, i.e. relative viscosity value above 4. Plasmapheresis was performed either in a Haemonetics 30 S cell separator, by plasma filtration through a CPS 10 TM filter or by a double-double pack Fenwal system. All three methods reduced the plasma viscosity and abolished the clinical symptoms. In cases of acute hyperviscosity syndrome, apheresis of small amounts of plasma by the double-double pack system may serve as an alternative to the more advanced techniques.

Adult↗

Non-respiratory haemolymph proteins in the vineyard snail Helix pomatia. Changes after phagocytosis in vivo.

Haemolymph proteins from the vineyard snail Helix pomatia were studied by chromatographic and immune-electrophoretic techniques with the dual purpose of characterizing the normal composition of haemolymph and to look for possible opsonins. The oxygen-carrying proteins, alpha- and beta-haemocyanin, were by far the most abundant proteins, but at least three non-respiratory proteins could be demonstrated. We found consistent changes in the appearance of the immunoprecipitation pattern of these non-respiratory proteins after the injection of particulate foreign matter into the snail's circulation, and we suggest that they may be opsonins. We also found a haemagglutinin in haemolymph. It was present in very low concentration and was similar to, but not identical with the haemagglutinin which is present in the albumin gland.

Animals↗