Differences between Takotsubo and the working diagnosis of myocardial infarction with non-obstructive coronary arteries. (14th October 2021)

• Record Type: Journal Article
• Authors: Lopez-Pais, J; Izquierdo Coronel, B; Raposeiras-Roubin, S; Alvarez Rodriguez, L; Uribarri, A; Almendro-Delia, M; Galan Gil, D; Vedia, O; Lopez Otero, D; Espinosa Pascual, M J; Garcia Acuna, J M; Gonzalez-Juanatey, J R; Alonso Martin, J J; Perez De Juan Romero, M A; Nunez-Gil, I
• Is Part Of: European heart journal. Volume 42(2021)Supplement 1
• Publication Date: 2021-10-14
• Subjects: Takotsubo Cardiomyopathy; Cardiology -- Periodicals; Heart -- Diseases -- Periodicals; 616.12005
• DOI: 10.1093/eurheartj/ehab724.1495
• Languages: English
• ISSNs: 0195-668X

Abstract

Abstract: Aims: Whether Takotsubo syndrome (TTS) should be classified within myocardial infarction with non-obstructive coronary arteries (MINOCA) is still controversial. The aim of this work was to evaluate the main differences between TTS and non-TTS MINOCA. Methods and results: A cohort study based on two prospective registries: TTS from the XXXX1 registry (N:1055) and non-TTS MINOCA patients from contemporary records of acute myocardial infarction from 5 national centers (N:1080). Definitions and management recommended by the ESC were used. Survival analysis was based on Cox regression; propensity score matching was created to adjust prognostic variables. TTS were more often women (85.9% vs. 51.9%; p<0.001) and older (69.4±12.5 vs. 64.5±14.1 years; p<0.001). Atrial fibrillation was more frequent in non-TTS MINOCA (10.4% vs. 14.4%; p 0.007). Psychiatric disorders were more prevalent in TTS (15.5% vs. 10.2%, p<0.001). In-hospital mortality and complications were higher in TTS: 3.4 vs 1.8%, (p 0.015) and 25.8% vs. 11.5%, (p<0.001). Median follow-up was 32.4 months; TTS had less major adverse cardiovascular events (MACE): Hazard Ratio (HR) 0.59; 95% confidence interval (CI) 0.42 to 0.83. There were no differences in global mortality (HR 0.87; CI: 0.64 to 1.19), but TTS had lower cardiovascular mortality (HR 0.58; CI: 0.35 to 0.98). Conclusions: Compared to the rest of MINOCA, TTS presents a different patient profile and a more aggressive acute phase. However, its long-term cardiovascular prognosis is better. These results support that TTS should be considered a separate entity with unique characteristics and prognosis. Funding Acknowledgement: Type of funding sources: None.