SMA patients received 3.2 + / - 0.9 ( SD ) grafts during 48 + / - 16 min of aortic cross clamp and 91 + / - 30 min CPB ( Control : 3.0 + / - 0.9 grafts ; p = 0.33 , 46 + / - 14 min AXC ; p = 0.36 , and 84 + / - 23 min CPB ; p = 0.14 ) .
