The Preference, Effect, and Prognosis of Intra-Aortic Balloon Counterpulsation in Acute Myocardial Infarction Complicated by Cardiogenic Shock Patients: A Retrospective Cohort Study

Figure 1

Flowchart of patient inclusion and the matching procedure. From a total of 1962 acute myocardial infarction cases in the Fourth Medical Center of PLA General Hospital, 223 cases met the acute myocardial infarction complicated by cardiogenic shock inclusion and exclusion criteria. Thirty-four cases received IABP, and 102 cases of matched pairs did not receive IABP.