Seventy patients undergoing elective coronary revascularization between 1997 and 2001 ( M : F = 55:15 , mean age 67.6 + / -7.5 years ) were randomly divided into 2 groups : Group C ( n = 35 ) was given the standard 4:1 - diluted blood-crystalloid BCP , and Group M ( n = 35 ) was given minimally-diluted BCP supplemented with potassium-chloride and magnesium-sulfate .
