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[Hemolysis and red cell deformability during cardiopulmonary bypass--the effect of prostaglandin E1 for prevention of hemolysis]. 1990

H Yamaguchi, and T Shimizu, and H Akutsu, and K Kawachi, and K Osada, and T Fujikawa, and H Suesada, and T Hirayama, and S Ishimaru, and K Furukawa
Department of Surgery, Tokyo Medical College, Japan.

Prevention of hemolysis which is related to renal failure during cardiopulmonary bypass (CPB) is very important. We discussed the relationship between hemolysis and red cell deformability during CPB, and moreover the effect of PGE1 to reduce hemolysis. PGE1 was given during CPB (10 approximately 20 ng/kg/min). Red cell deformability was measured using 20% Ht red cell suspension and Nucleopore Microfilter (pore size: 5 mu). Red cell filtration rate (RFR: microliter/sec) was calculated as a value of red cell deformability. Red cell deformability (RFR: microliter/sec) was reduced during CPB in almost all patients. Secondly, plasma Hb (mg/dl) was measured in the controls (n = 8) and PGE1 group (n = 12). The mean pre-bypass level were 20.6 in the control group and 23.8 in the PGE1 group. The mean values of plasma Hb at 30, 60, 90 and 120 min of CPB were 37.8, 52.4, 52.3 and 61.2 in the control group and 24.1, 25.0, 26.3 and 29.0 in the PGE1 group. Our study showed conclusively that CPB has a detrimental effect on red cell deformability and that this effect is accentuated by prolongation of CPB time. PGE1 lessened the decrease in red cell deformability during CPB and was shown to be very effective for prevention of hemolysis.

UI MeSH Term Description Entries
D007432 Intraoperative Period The period during a surgical operation. Intraoperative Periods,Period, Intraoperative,Periods, Intraoperative
D002315 Cardiopulmonary Bypass Diversion of the flow of blood from the entrance of the right atrium directly to the aorta (or femoral artery) via an oxygenator thus bypassing both the heart and lungs. Heart-Lung Bypass,Bypass, Cardiopulmonary,Bypass, Heart-Lung,Bypasses, Cardiopulmonary,Bypasses, Heart-Lung,Cardiopulmonary Bypasses,Heart Lung Bypass,Heart-Lung Bypasses
D004341 Drug Evaluation Any process by which toxicity, metabolism, absorption, elimination, preferred route of administration, safe dosage range, etc., for a drug or group of drugs is determined through clinical assessment in humans or veterinary animals. Evaluation Studies, Drug,Drug Evaluation Studies,Drug Evaluation Study,Drug Evaluations,Evaluation Study, Drug,Evaluation, Drug,Evaluations, Drug,Studies, Drug Evaluation,Study, Drug Evaluation
D004907 Erythrocyte Deformability Ability of ERYTHROCYTES to change shape as they pass through narrow spaces, such as the microvasculature. Erythrocyte Filterability,Deformability, Erythrocyte,Filterability, Erythrocyte
D006454 Hemoglobins The oxygen-carrying proteins of ERYTHROCYTES. They are found in all vertebrates and some invertebrates. The number of globin subunits in the hemoglobin quaternary structure differs between species. Structures range from monomeric to a variety of multimeric arrangements. Eryhem,Ferrous Hemoglobin,Hemoglobin,Hemoglobin, Ferrous
D006461 Hemolysis The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemicals, temperature, and changes in tonicity. Haemolysis,Extravascular Hemolysis,Intravascular Hemolysis,Extravascular Hemolyses,Haemolyses,Hemolyses, Extravascular,Hemolyses, Intravascular,Hemolysis, Extravascular,Hemolysis, Intravascular,Intravascular Hemolyses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000527 Alprostadil A potent vasodilator agent that increases peripheral blood flow. PGE1,Prostaglandin E1,Caverject,Edex,Lipo-PGE1,Minprog,Muse,PGE1alpha,Prostaglandin E1alpha,Prostavasin,Prostin VR,Prostine VR,Sugiran,Vasaprostan,Viridal,Lipo PGE1

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