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  • Title: Tako-tsubo cardiomyopathy: insights from a community hospital.
    Author: Vriz O, Driussi C, Fazio MG, Arteni F, Mos L, Pertoldi F, Bettio M, Pavan D, Bossone E.
    Journal: J Cardiovasc Med (Hagerstown); 2013 Aug; 14(8):576-81. PubMed ID: 23079608.
    Abstract:
    AIMS: To describe the actual incidence, prevalence among acute coronary syndrome patients and rate of recurrences of tako-tsubo cardiomyopathy in an emergency department of a community hospital. METHODS: We report the in-hospital and long-term clinical course (7.5 years follow-up) of 25 consecutive tako-tsubo cardiomyopathy patients (mean age 66.8 ± 11.76 years; F/M: 21/4) admitted to a community hospital (referring population: 97,000 inhabitants). RESULTS: The incidence rate of tako-tsubo cardiomyopathy was 0.03 cases per 1000 person-years; the prevalence was 3.0% among those with acute coronary syndrome and 7.6% among ST elevation myocardial infarction patients. Clinical presentations included mainly chest pain (n = 16, 64%) and dyspnea (n = 3, 12%). Precipitating conditions were emotional (n = 10, 40%), physical stress (n = 5, 20%) or both (n = 1, 4%); no stressors were recorded in nine patients (36%). Two patients died during hospitalization (8%). At the end of follow-up (mean time: 960.24 ± 724.34 days), all patients (n = 23) were alive and no major cardiovascular events were observed. Five patients had recurrences (22%). The mean time of recurrence was 105.4 ± 82.92 days and the clinical presentation was less severe compared with the first event: ECG had less ST involvement, ejection fraction was higher and cardiac injury biomarkers were lower. CONCLUSIONS: In our population incidence and prevalence of tako-tsubo cardiomyopathy among acute coronary syndrome patients, as well as the recurrence rate of tako-tsubo cardiomyopathy, were higher than previously reported, suggesting that probably this syndrome often passes undiagnosed.
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