Intra‐aortic balloon pump on in‐hospital outcomes of cardiogenic shock: findings from a nationwide registry, China

Abstract Aims The real‐world usage of intra‐aortic balloon pump (IABP) in various cardiogenic shocks (CS) and the association with outcomes are lacking. We aimed to investigate IABP adoption in CS in a nationwide registry in China. Methods and results We retrospectively retrieved data of 30 106 CS patients (age 67.1 ± 14.6 years, 37.6% female patients) in the Hospital Quality Monitoring System registry from 2013 to 2016. Ischaemic heart disease was the leading cause of CS (73.9%). Hypertension, cardiomyopathy, myocarditis, valvular, and congenital heart disease were seen in 36.0%, 7.5%, 2.6%, 7.3%, and 2.4% of the population. IABP was employed in 2320 (7.7%) subjects. The association between IABP usage and primary outcome of in‐hospital mortality and secondary outcomes of expenses and lengths of stay were investigated. The patients with IABP support had similar in‐hospital mortality to those without IABP (39.6% vs. 38.3%, P = 0.226), but longer hospital‐stay [8.0 (2.0–16.0) vs. 6.0 (2.0–13.0) days, P