Key result
Total correction of tetralogy of Fallot was performed using a bypass protocol involving hemodilution to 20 ml/kg, THAM buffer, mannitol, and intravenous whole blood replacement.
Describes the technical approach for cardiopulmonary bypass during total correction of tetralogy of Fallot based on a 10-year institutional experience.
Offers historical bypass protocol for tetralogy of Fallot; leaves open relevance to contemporary perfusion strategies.
THAM (Tris buffer: 3-OH amino-methane). Haemo- dilution to 20 ml./kg. body weight with 5 per cent dextrose in 0 45 per cent NS is employed, and mannitol (25% solution) is added to the pump after the onset of bypass. Blood losses and extracardiac suction losses are replaced intravenously with whole blood.
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Goldman et al. (1968) studied this question. Total correction of tetralogy of Fallot was performed using a bypass protocol involving hemodilution to 20 ml/kg, THAM buffer, mannitol, and intravenous whole blood replacement.
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