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Determination of blood loss during transurethral surgery by cell counts on irrigation fluid
A method for determining the quantity of blood in a non haemolytic irrigation solution is described. Cell counts on the fluid were performed in the operating theatre, using a Neubauer haemocytometer and microscope. The ratio of this count to the patient's red cell count was multiplied by the volume of fluid to give the volume of blood lost. In estimations of 10 known quantities of blood, the mean error was 5.3%.
A method for determining the quantity of blood in a non haemolytic irrigation solution is described. Cell counts on the fluid were performed in the operating theatre, using a Neubauer haemocytometer and microscope. The ratio of this count to the patient's red cell count was multiplied by the volume of fluid to give the volume of blood lost. In estimations of 10 known quantities of blood, the mean error was 5.3%.