ArticleOpen heart2024
Contemporary characteristics, outcomes and novel risk score for Takotsubo cardiomyopathy: a national inpatient sample analysis.
Article in Open heart, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Comparison of clinical features and outcomes of Chinese patients with Takotsubo syndrome and acute myocardial infarction-results from the first Chinese Takotsubo syndrome registry.Cardiovascular diagnosis and therapy · 2025Article
- Validation of Takotsubo Syndrome Scoring System.Diagnostics (Basel, Switzerland) · 2025Article
- Review
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTakotsubo cardiomyopathy (TC) is an established differential diagnosis of myocardial infarction with non-obstructive coronaries with significant interest but limited data on prognostication. We reviewed the characteristics and in-hospital outcomes and developed a novel risk score for TC.
methodsUsing the National Inpatient Sample data from 2016 to 2020, we identified adult patients (≥18 years) with acute coronary syndrome (ACS) and TC. We divided the cohort into ACS with and without TC and retrieved baseline data. Multivariable regression analysis was conducted to identify factors associated with TC diagnosis and adverse outcomes, leading to the development of a risk-scoring system.
resultsAmong 7 219 004 adult ACS admissions, 78 214 (1.0%) were diagnosed with TC, with a mean age of 68.2 years, 64 526 (82.5%) being female and 5475 (7.0%, compared with 8.4% for other ACS) in-hospital mortality events. Factors significantly associated with TC were female sex (OR 6.78 (95% CI 6.47 to 7.09), p<0.001) and chronic heart failure (OR 1.60 (95% CI 1.54 to 1.66), p<0.001). A novel risk score was developed, including the following parameters: male sex, age >70 years, non-white race, hypertension, hyperlipidemia, history of coronary artery bypass grafting, history of percutaneous coronary intervention, cardiac arrhythmias, renal failure, cardiogenic shock and vasopressor use. The area under curves for in-hospital mortality was 0.716 in the derivation and 0.725 in the validation cohorts.
conclusionsTC remains a high-risk diagnosis in a minority of ACS cases, with mortality rates similar to other ACS causes. Our novel risk score offers a valuable tool for risk stratification in patients with TC, but external validation is needed to confirm its utility.
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