Major bleeding complications according to modified blood conservation using antifibrinolytics in a randomized trial criteria ( postoperative blood loss > @ ml/@ h , re-exploration , red blood cell transfusion > @ units or death because of bleeding ) were compared in all patients and when ticagrelor/clopidogrel was discontinued @ days ( n = @ ) , @-@ days ( n = @ ) or @-@ day before surgery ( n = @ ) .