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Background: Takotsubo syndrome (TTS) in the very elderly is poorly understood. We sought to clarify the characteristics of octogenarians and nonagenarians with TTS. Methods and Results: From 148 patients with TTS who underwent coronary angiography, 68 very elderly patients aged ≥80 years (octogenarians/nonagenarians) were compared with 80 younger patients aged ≤79 years. Emotional triggers of TTS were less frequent (7% vs. 19%; P=0.043), whereas physical triggers were more frequent (69% vs. 46%; P=0.005), in octogenarians/nonagenarians than in patients aged ≤79 years. As initial clues to the diagnosis, electrocardiogram changes were more frequent (71% vs. 46%; P=0.003) and chest pain and/or dyspnea were less common (25% vs. 51%; P=0.001) in octogenarians/nonagenarians than in patients aged ≤79 years. Twenty-nine patients had acute heart failure (AHF) as a complication. AHF was more frequently found in octogenarians/nonagenarians than in patients aged ≤79 years (29% vs. 11%, respectively; P=0.006). Cardiac death occurred in 2 octogenarians/nonagenarians; non-cardiac death occurred in 3 octogenarians/nonagenarians and in 2 patients aged ≤79 years. Conclusions: Emotional triggers of TTS were infrequent in octogenarians/nonagenarians with TTS. AHF was common and there was significant in-hospital all-cause mortality among octogenarians/nonagenarians.

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