2[1]Anderson R D,Ohman E M.Use of intra-aortic counterpulsation in pat i ents presenting with cardiogenic shock:Observation from the GUSTO-I study[J] .J Am Coll Cardiol,1997,30:708～715.
3[2]Ohman E M,George B S,White C J,et al.Use of aortic counterp ulsation to improve sustained coronary artery patency during acute myocardial in farction:Results of randomized trial[J].Circulation,1994,90:792～799.
4[3]Ohman E M,Califf R M,George B S,et al.The use of intra -aortic bal loon pumping as an adjunct to reperfusion therapy in acute myocardial infarction [J].Am Heart J,1991,121:895～901.
5[4]Christenson J T,Simonet F.The effect of preoperative intra-aortic b alloon pump support in high risk patients requiring myocardial revascularizatio n[J].J Cardiovasc Sury Torino,1997,38:397～402.
6[5]Bengtson J R,Kaplan A J,Pieper K S,et al.Prognosis in cardiogenic shock after acute myocardial infarction in the interventional era[J].J Am Col l Cardiol,1992,20:1482～1489.
