Evidence for an association between tako-tsubo cardiomyopathy and bronchial asthma: retrospective analysis in a primary care hospital

The Open Cardiovascular Medicine Journal
Leonardo Glutz von BlotzheimLars C Huber

Abstract

We investigated the prevalence of bronchial asthma in patients with Tako-Tsubo Syndrome (TTS). This retrospective case-series study was conducted in a primary care hospital in Zurich, Switzerland. Data of all patients with newly diagnosed TTS (2002 - 2012) were assessed electronically by the use of ICD-10. Asthma prevalence was compared to published epidemiologic data. Bronchial asthma is characterized by airway inflammation and, during attack, release of endogenous catecholamines. Sympathomimetic drugs are the mainstay of treatment for asthma patients. Likewise, catecholamine mediated diffuse microvascular myocardial dysfunction seems to be of critical importance for the development of TTS. 20 cases of TTS were identified. 90% were female, showed a median age of 70±13y [25y - 90y], an apical and/or midventricular ballooning pattern with preserved basal function and a median initial LVEF of 34±9% [25% - 55%]. 65% of patients underwent coronary angiography to rule out significant coronary artery disease. Hypertension was present in 45% of patients, 35% were smokers, none was suffering from diabetes. Prevalence of asthma in patients with TTS was significantly higher compared to the normal population (25% vs. 7%, p=0.012). In 30% ...Continue Reading

References

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Nov 14, 2017·Archivos de cardiología de México·Jonathan Cardona-VélezSneider Torres-Soto

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