Systemic inflammatory response syndrome is a major determinant of late cardiovascular outcome in Takotsubo syndrome
2020
Background Recent advances regarding the pathophysiology of Takotsubo Syndrome (TTS) have underlined a key role for inflammation. Aims To assess the impact of Systemic Inflammatory Response Syndrome (SIRS) on in-hospital, mid and long-term outcomes after TTS, and to determine its predictors. Methods A total of 215 patients with TTS were included between September 2008 and January 2018. SIRS was defined by the presence of at least two of the three following criteria: (1) white blood cells count 12.109/L, (2) heart rate > 90 bpm, (3) temperature 38 °C. Results A total of 96 out of 215 patients (44.7%) developed SIRS within the first 48 h after TTS diagnosis. Follow-up was obtained in 178 patients (82.8%) after a median of 518 days (128–1004). SIRS patients were more likely to be male, with a history of cancer or chronic obstructive pulmonary disease and presenting a physical trigger. They showed lower Left Ventricular Ejection Fraction (LVEF) on admission (34.5% ± 11.8 vs. 41.9% ± 10.6; P Conclusions SIRS was found in a large proportion of TTS patients and was associated with enhanced myocardial damage and adverse outcome at the acute phase. At long-term follow-up, SIRS was still evidenced as an independent factor of cardiac death. All together these findings underline SIRS patients as a high-risk subgroup, to target in future clinical trials with specific therapies to attenuate SIRS.
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