In critically ill patients with hypertension and atrial fibrillation (AF), the lactate-to-albumin ratio was found to be an independent predictor of 28-day mortality. Since traditional prognostic markers may not adequately capture risk in this group, the ratio could serve as a useful tool for improved prognosis. The authors noted that traditional risk markers often fail to fully capture short-term mortality risk in this population, who are prone to both cardiovascular and systemic complications. By evaluating lactate and albumin levels at admission, the study aimed to determine whether their ratio could serve as a reliable predictor of 28-day mortality and assist clinicians in identifying high-risk patients.
The study found that an elevated lactate-to-albumin ratio was independently associated with increased 28-day mortality in hypertensive patients with AF. Lactate serves as an indicator of tissue hypoperfusion and metabolic stress, while albumin reflects nutritional and inflammatory status. Combining these measures into a single ratio provides a more comprehensive assessment of patient condition than either marker alone. The authors suggest that using this ratio could help clinicians identify patients at heightened risk early, enabling more timely interventions, closer monitoring, and potentially improved outcomes in intensive care or high-dependency settings.
According to Wu et al., incorporating the lactate-to-albumin ratio into clinical practice could strengthen prognostication and guide management decisions in hypertensive patients with AF. The findings highlight how simple, routinely measured laboratory markers can be leveraged to improve risk stratification in complex patient populations. While the authors recommend further studies to validate the results in broader cohorts and diverse clinical settings, the lactate-to-albumin ratio emerges as a promising, accessible tool to enhance clinical decision-making and optimize care for critically ill patients.
Reference:
Wu R, Xing B, Zhou Z, et al. Lactate-to-albumin ratio and 28 day mortality in hypertensive patients with atrial fibrillation: a retrospective cohort study. European Journal of Medical Research. 2025;30:845. doi:10.1186/s40001-025-03170-6
Keywords: Lactate-to-albumin ratio, atrial fibrillation, hypertension, mortality, prognostic marker, Wu R, European Journal of Medical Research
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