METHODS	In a prospective study , we randomized 40 adult patients with combined valvular disorders requiring surgical correction of two or more valves into two groups : ( i ) a normothermic ( NMTH ) group ( n = 20 ) , in which the body core temperature was maintained at 36.6 C during CPB and ( ii ) a hypothermic ( HPTH ) group ( n = 20 ) , in which the body was cooled to a core temperature of 32C maintained throughout the period of CPB .\