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Clinical presentation, shock severity and mortality in patients with de novo versus acute‐on‐chronic heart failure‐related cardiogenic shock
Ist Teil von
European journal of heart failure, 2024-02, Vol.26 (2), p.432-444
Ort / Verlag
Oxford, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2024
Quelle
Wiley Online Library Journals Frontfile Complete
Beschreibungen/Notizen
Aims
Heart failure‐related cardiogenic shock (HF‐CS) accounts for a significant proportion of CS cases. Whether patients with de novo HF and those with acute‐on‐chronic HF in CS differ in clinical characteristics and outcome remains unclear. The aim of this study was to evaluate differences in clinical presentation and mortality between patients with de novo and acute‐on‐chronic HF‐CS.
Methods and results
In this international observational study, patients with HF‐CS from 16 tertiary care centres in five countries were enrolled between 2010 and 2021. To investigate differences in clinical presentation and 30‐day mortality, adjusted logistic/Cox regression models were fitted. Patients (n = 1030) with HF‐CS were analysed, of whom 486 (47.2%) presented with de novo HF‐CS and 544 (52.8%) with acute‐on‐chronic HF‐CS. Traditional markers of CS severity (e.g. blood pressure, heart rate and lactate) as well as use of treatments were comparable between groups. However, patients with acute‐on‐chronic HF‐CS were more likely to have a higher CS severity and also a higher mortality risk, after adjusting for relevant confounders (de novo HF 45.5%, acute‐on‐chronic HF 55.9%, adjusted hazard ratio 1.38, 95% confidence interval 1.10–1.72, p = 0.005).
Conclusion
In this large HF‐CS cohort, acute‐on‐chronic HF‐CS was associated with more severe CS and higher mortality risk compared to de novo HF‐CS, although traditional markers of CS severity and use of treatments were comparable. These findings highlight the vast heterogeneity of patients with HF‐CS, emphasize that HF chronicity is a relevant disease modifier in CS, and indicate that future clinical trials should account for this.
Clinical presentation, shock severity and mortality in patients with de novo versus acute‐on‐chronic heart failure‐related cardiogenic shock. ACHF‐CS, acute‐on‐chronic failure‐related cardiogenic shock; CI, confidence interval; DNHF‐CS, de novo heart failure‐related cardiogenic shock; HR, hazard ratio.