Original Research

DOI: 10.4244/EIJ-D-23-00512

Clinical characteristics and outcomes of patients requiring prolonged mechanical circulatory support after high-risk percutaneous coronary intervention

Sugi Min1, MD; Mir Babar Basir2, DO; Alejandro Lemor3, MD, MS; Zhipeng Zhou4, MA; Arsalan Abu-Much4, MD; Björn Redfors4,5,6, MD, PhD; Julia B. Thompson4, MS; Alexander G. Truesdell7,8, MD; Aditya S. Bharadwaj9, MD; Yanru Li4, MPH, MS; Amir Kaki10, MD; Brigitta C. Brott11, MD; David H. Wohns12, MD; Perwaiz M. Meraj13, MD; Ramesh Daggubati14, MD; Cindy L. Grines15,16, MD; William W. O'Neill17, MD; Jeffrey W. Moses1,18, MD


BACKGROUND: There are limited data on the clinical characteristics and outcomes of patients who require prolonged mechanical circulatory support (MCS) after Impella-supported high-risk percutaneous coronary intervention (HR-PCI).

AIMS: The aim of this study is to describe the contemporary clinical characteristics, outcomes, and predictors associated with prolonged MCS support after assisted HR-PCI.

METHODS: Patients enrolled in the prospective, multicentre, clinical endpoint-adjudicated PROTECT III study who had undergone HR-PCI using Impella were evaluated. Patient and procedural characteristics and outcomes for those who received prolonged MCS beyond the duration of their index procedure were compared to those in whom MCS was successfully weaned and explanted at the conclusion of the index PCI.

RESULTS: Among 1,155 patients who underwent HR-PCI with Impella between 2017 and 2020 and had sufficient data to confirm the duration of Impella support, 16.5% received prolonged MCS (mean duration 25.2±31.1 hours compared with 1.8±5.8 hours for those who only received intraprocedural MCS). Patients receiving prolonged support presented with more urgent indications (e.g., acute coronary syndromes [ACS], lower ejection fraction [EF], elevated baseline heart rate and lower systolic blood pressure)....

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Volume 20 Number 2
Jan 15, 2024
Volume 20 Number 2
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