Revista portuguesa de cardiologia · 2019
Short- and medium-term prognosis of Takotsubo syndrome in a Portuguese population.
СтатьяМногоцентровое исследованиеНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Bento Dina, Azevedo Olga, Santos Rui, Almeida Ana, Domingues Kevin, Marmelo Bruno, Reis Liliana, Ruivo Catarina, Guerreiro Rui, Lima Rui, Faria Ricardo, Marreiros Ana, Marques Nuno, SUNSHINE Investigators group
Аннотация
INTRODUCTION: Takotsubo syndrome (TTS) is characterized by transient left ventricular (LV) systolic dysfunction.
AIM: To characterize a Portuguese population with TTS and to determine their short- and medium-term prognosis.
METHODS: We conducted a multicenter study in Portuguese hospitals that included all patients diagnosed with TTS, initially retrospectively and subsequently prospectively. Short- and medium-term clinical complications and mortality were assessed. Independent predictors of in-hospital complications and prognostic factors were determined.
RESULTS: A total of 234 patients (210 female, age 68±12 years) were included. During hospitalization, 32.9% of patients had complications: acute heart failure (24.4%), atrial fibrillation (9.0%), ventricular arrhythmias (2.6%), complete atrioventricular block (2.1%), stroke/transient ischemic attack (1.7%), and LV thrombus (1.3%). Chronic kidney disease (CKD) (p=0.02), coronary artery disease (CAD) (p=0.027), lower LV ejection fraction (LVEF) on admission (p=0.003), and dyspnea at presentation (p=0.019) were predictors of in-hospital complications. In-hospital mortality was 2.2%. At the mean follow-up of 33±33 months, all-cause mortality was 4.4%, cardiovascular mortality was 0.9% and TTS recurrence was 4.4%. Prolonged QTc interval on admission was associated with complications in follow-up (p=0.001).
CONCLUSION: TTS has a good short- and medium-term prognosis. However, the rate of in-hospital complications is high and should not be overlooked. Dyspnea at presentation, CKD, CAD and lower LVEF on admission were independent predictors of in-hospital complications. Prolonged QTc on admission was associated with complications in follow-up.
AIM: To characterize a Portuguese population with TTS and to determine their short- and medium-term prognosis.
METHODS: We conducted a multicenter study in Portuguese hospitals that included all patients diagnosed with TTS, initially retrospectively and subsequently prospectively. Short- and medium-term clinical complications and mortality were assessed. Independent predictors of in-hospital complications and prognostic factors were determined.
RESULTS: A total of 234 patients (210 female, age 68±12 years) were included. During hospitalization, 32.9% of patients had complications: acute heart failure (24.4%), atrial fibrillation (9.0%), ventricular arrhythmias (2.6%), complete atrioventricular block (2.1%), stroke/transient ischemic attack (1.7%), and LV thrombus (1.3%). Chronic kidney disease (CKD) (p=0.02), coronary artery disease (CAD) (p=0.027), lower LV ejection fraction (LVEF) on admission (p=0.003), and dyspnea at presentation (p=0.019) were predictors of in-hospital complications. In-hospital mortality was 2.2%. At the mean follow-up of 33±33 months, all-cause mortality was 4.4%, cardiovascular mortality was 0.9% and TTS recurrence was 4.4%. Prolonged QTc interval on admission was associated with complications in follow-up (p=0.001).
CONCLUSION: TTS has a good short- and medium-term prognosis. However, the rate of in-hospital complications is high and should not be overlooked. Dyspnea at presentation, CKD, CAD and lower LVEF on admission were independent predictors of in-hospital complications. Prolonged QTc on admission was associated with complications in follow-up.