ArticlePostepy w kardiologii interwencyjnej = Advances in interventional cardiology2025
Hyponatremia in takotsubo syndrome is associated with attenuated in-hospital improvement of left ventricular ejection fraction and higher long-term mortality.
Article in Postepy w kardiologii interwencyjnej = Advances in interventional cardiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: The clinical relevance and long-term mortality in hyponatremic patients with takotsubo syndrome (TTS) remain poorly elucidated. Aim: We sought to investigate whether hyponatremia identified in TTS patients influenced in-hospital and long-term outcomes in this group of patients. Material and methods: Among 7771 patients hospitalized with acute myocardial infarction, TTS was diagnosed in 100 (1.3%) patients. Hyponatremia on admission was defined as sodium level < 135 mmol/l. In-hospital clinical characteristics and long-term all-cause mortality were assessed in hyponatremic and normonatremic TTS patients. Results: On admission, hyponatremia was identified in 14 (14%) TTS patients. Hyponatremic patients were older (78.5 vs. 69 years, Conclusions: Our pilot findings indicate that hyponatremia, observed in every seventh TTS patient, was associated with lower in-hospital left ventricular ejection fraction improvement and higher long-term all-cause mortality.
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