Prognosis in Patients With Cardiogenic Shock Who Received Temporary Mechanical Circulatory Support

Toru Kondo*, Takashi Araki, Takahiro Imaizumi, Yoko Sumita, Michikazu Nakai, Akihito Tanaka, Takahiro Okumura, Jawad H Butt, Mark C Petrie, John J V McMurray, Toyoaki Murohara

*Corresponding author af dette arbejde

Abstract

BACKGROUND: Temporary mechanical circulatory support (MCS) is often used in patients with cardiogenic shock (CS), and the type of MCS may vary by cause of CS.

OBJECTIVES: This study sought to describe the causes of CS in patients receiving temporary MCS, the types of MCS used, and associated mortality.

METHODS: This study used a nationwide Japanese database to identify patients receiving temporary MCS for CS between April 1, 2012, and March 31, 2020.

RESULTS: Of 65,837 patients, the cause of CS was acute myocardial infarction (AMI) in 77.4%, heart failure (HF) in 10.9%, valvular disease in 2.7%, fulminant myocarditis (FM) in 2.5%, arrhythmia in 4.5%, and pulmonary embolism (PE) in 2.0% of cases. The most commonly used MCS was an intra-aortic balloon pump alone in AMI (79.2%) and in HF (79.0%) and in valvular disease (66.0%), extracorporeal membrane oxygenation with intra-aortic balloon pump in FM (56.2%) and arrhythmia (43.3%), and extracorporeal membrane oxygenation alone in PE (71.5%). Overall in-hospital mortality was 32.4%; 30.0% in AMI, 32.6% in HF, 33.1% in valvular disease, 34.2% in FM, 60.9% in arrhythmia, and 59.2% in PE. Overall in-hospital mortality increased from 30.4% in 2012 to 34.1% in 2019. After adjustment, valvular disease, FM, and PE had lower in-hospital mortality than AMI: valvular disease, OR: 0.56 (95% CI: 0.50-0.64); FM: OR: 0.58 (95% CI: 0.52-0.66); PE: OR: 0.49 (95% CI: 0.43-0.56); whereas HF had similar in-hospital mortality (OR: 0.99; 95% CI: 0.92-1.05) and arrhythmia had higher in-hospital mortality (OR: 1.14; 95% CI: 1.04-1.26).

CONCLUSIONS: In a Japanese national registry of patients with CS, different causes of CS were associated with different types of MCS and differences in survival.

OriginalsprogEngelsk
TidsskriftJACC. Asia
Vol/bind3
Udgave nummer1
Sider (fra-til)122-134
Antal sider13
ISSN2772-3747
DOI
StatusUdgivet - feb. 2023

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