Takotsubo syndrome and stroke risk: A nationwide register-based study

Nicolai Jessen*, Jens Aamann Andersen, Bhupendar Tayal, Lauge Østergaard, Mikkel Porsborg Andersen, Morten Schmidt, Emil Loldrup Fosbøl, Morten Schou, Peter Søgaard, Gunnar Gislason, Christian Torp-Pedersen, Lars Køber, Kristian Kragholm

*Corresponding author af dette arbejde

Abstract

AIMS: Previous small-scale studies have indicated a short-term stroke incidence of 1.0-1.3% following Takotsubo (syndrome). In this nationwide register-based study, we investigated the 90-day risk of ischemic stroke (IS) or transient ischemia attack (TIA) and mortality of patients with Takotsubo.

METHODS AND RESULTS: Patients with incident Takotsubo between January 1st 2009 to September 30th 2018 were identified from Danish nationwide registries. Takotsubo patients were age- and sex-matched with background-, atrial fibrillation/flutter- (AF) and myocardial infarction (MI) cohorts. Cumulative incidences and Cox proportional-hazard regression models were used to analyze the following outcomes: 1) composite of IS/TIA and 2) all-cause mortality. A total of 890 patients with Takotsubo were followed for 90 days. The cumulative 90-day incidence of IS/TIA in the Takotsubo-, background-, AF- and MI cohort, was 2.1% (n = 19), 0.1% (n = 4), 1.1% (n = 47) and 1.5% (n = 66), respectively. The cumulative 90-day mortality in the Takotsubo-, background-, AF- and MI cohort was 5.1% (n = 45), 0.3% (n = 13), 1.7% (n = 75) and 5.6% (n = 230), respectively. The adjusted hazard ratio (HR) for 90-day IS/TIA was when compared to the background-, AF- and MI cohort, 26.43 (95% CI: 8.82-79.24), 1.91 (95% CI: 1.09-3.35) and 2.06 (95% CI: 1.12-3.79), respectively. The adjusted HR for 90-day mortality was when compared to the background-, AF- and MI cohort, 14.19 (95% CI: 7.43-27.09), 0.73 (95% CI: 0.52-1.02) and 1.96 (95% CI: 1.25-3.07), respectively.

CONCLUSION: Patients with Takotsubo had an increased 90-day hazard for IS/TIA when compared to age- and sex-matched background-, AF- and MI cohorts.

OriginalsprogEngelsk
Artikelnummer131283
TidsskriftInternational Journal of Cardiology
Vol/bind392
ISSN0167-5273
DOI
StatusUdgivet - dec. 2023

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