[The use of the new Soviet crystalloid mafusol as a hemodiluent in surgery using artificial circulation]

Two Soviet-made polyionic crystalloid solutions--mafusol, containing sodium fumarate and lactasol, containing sodium lactate--were compared as hemodiluents used during cardiopulmonary bypass surgery. It has been shown that both solutions are adequate preparations quite effective as a crystalloid component of the perfusion medium in assisted circulation.