Journals / Turkish Journal of Clinics and Laboratory / 2026 / Sayı: 1

The relationship between lactate to albumin ratio and in-hospital mortality in critically ill patients with acute decompensated heart failure

Kritik hasta akut dekompanse kalp yetersizliğinde laktat-albumin oranının hastane içi mortalite ile ilişkisi

Yusuf Hoşoğlu(Private Koru Sincan Hospital)0000-0003-2440-9209
Mehmet Göl(GAZIANTEP ISLAM SCIENCE AND TECHNOLOGY UNIVERSITY)0000-0003-4593-3990
Ayşe Hoşoğlu(BAŞKENT ÜNİVERSİTESİ, TIP FAKÜLTESİ)0000-0002-2875-1952
Hakan Tibilli(BAŞKENT ÜNİVERSİTESİ)0000-0002-1058-1908
Veysi Kavalcı(ADIYAMAN UNIVERSITY, SCHOOL OF MEDICINE)0000-0002-2495-0428
Abdulmecit Afşin(TURGUT OZAL UNIVERSITY, SCHOOL OF MEDICINE)0000-0001-9301-9525
Pages
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Publication Date
2026-03-29
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Conclusion: Although higher LAR values were associated with mortality in unadjusted analysis, this marker did not provide independent prognostic value beyond established indicators of disease severity in critically ill patients with ADHF.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: This study aimed to evaluate the association between admission lactate to albumin ratio (LAR) and in-hospital mortality in critically ill patients hospitalized with acute decompensated heart failure (ADHF).
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Key Findings & Data:Material sand Methods: This retrospective single-center study included 87 adult patients admitted to a coronary intensive care unit (ICU) with ADHF.
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Conclusion & Impact:Conclusion: Although higher LAR values were associated with mortality in unadjusted analysis, this marker did not provide independent prognostic value beyond established indicators of disease severity in critically ill patients with ADHF.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:kalp yetersizliği · hastane mortalitesi · prognoz

Abstract

Aim: This study aimed to evaluate the association between admission lactate to albumin ratio (LAR) and in-hospital mortality in critically ill patients hospitalized with acute decompensated heart failure (ADHF). Material sand Methods: This retrospective single-center study included 87 adult patients admitted to a coronary intensive care unit (ICU) with ADHF. LAR was calculated using admission laboratory values. Patients were classified according to in-hospital survival status. Clinical, laboratory, and echocardiographic variables were analyzed to identify predictors of in-hospital mortality. Receiver operating characteristic (ROC) analysis was performed to assess the prognostic performance of the LAR. Results: In-hospital mortality occurred in 29 of 87 patients (33.3%). Median lactate levels were significantly higher in non-survivors compared with survivors (3.47 vs. 2.10 mmol/L, p < 0.001). The LAR was also higher in non-survivors (0.93 vs. 0.59, p = 0.002), while left ventricular ejection fraction (LVEF) was lower (28.2% vs. 36.1%, p = 0.006). In multivariable logistic regression analysis, mechanical ventilation (adjusted OR 80.8, p < 0.001) and LVEF (adjusted OR 0.92 per %, p = 0.016) were independently associated with in-hospital mortality, whereas the LAR was not (p = 0.266). ROC analysis demonstrated fair discrimination for the LAR in predicting mortality (AUC 0.706). Conclusion: Although higher LAR values were associated with mortality in unadjusted analysis, this marker did not provide independent prognostic value beyond established indicators of disease severity in critically ill patients with ADHF.

Özet

Amaç: Bu çalışma, akut dekompanse kalp yetersizliği (ADKY) tanısıyla yatırılan kritik hastalarda, başvuru laktat-albumin oranının (LAR) hastane içi mortalite ile ilişkisini değerlendirmeyi amaçlamıştır. Gereç ve Yöntemler: Bu retrospektif tek merkezli çalışma, koroner yoğun bakım ünitesine ADKY ile yatırılan 87 yetişkin hastayı dahil etmiştir. LAR, başvuru laboratuvar değerleri kullanılarak hesaplanmıştır. Hastalar hastane içi sağkalım durumlarına göre sınıflandırılmıştır. Hastane içi mortaliteyi öngören parametreleri belirlemek için klinik, laboratuvar ve ekokardiyografik değişkenler analiz edilmiştir. LAR'ın prognostik performansını değerlendirmek amacıyla "Receiver Operating Characteristic" (ROC) analizi yapılmıştır. Bulgular: Seksen yedi hastanın 29'unda (%33,3) hastane içi mortalite gözlenmiştir. Ölen hastaların medyan laktat düzeyleri, sağ kalanlara göre anlamlı derecede yüksek saptanmıştır (3,47'ye karşılık 2,10 mmol/L, p<0,001). Benzer şekilde, ölen hastalarda LAR daha yüksek (0,93'e karşılık 0,59, p=0,002), sol ventrikül ejeksiyon fraksiyonu (LVEF) ise daha düşük bulunmuştur (%28,2'ye karşılık %36,1, p=0,006). Çok değişkenli lojistik regresyon analizinde; mekanik ventilasyon (düzeltilmiş OR: 80,8, p<0,001) ve LVEF (her %1'lik değişim için düzeltilmiş OR: 0,92, p=0,016) hastane içi mortalite ile bağımsız olarak ilişkili bulunurken, LAR bağımsız bir öngördürücü olarak saptanmamıştır (p=0,266). ROC analizi, LAR'ın mortaliteyi öngörmede makul bir ayırt ediciliğe sahip olduğunu göstermiştir (Eğri Altındaki Alan [AUC]: 0,706). Sonuç: Düzeltilmemiş analizlerde yüksek LAR değerleri mortalite ile ilişkili olsa da, bu belirteç ADKY tanılı kritik hastalarda, hastalığın ciddiyetini gösteren yerleşik göstergelerin ötesinde bağımsız bir prognostik değer sağlamamıştır.

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Cite This Article

Hoşoğlu, Y., Göl, M., Hoşoğlu, A., Tibilli, H., Kavalcı, V., Afşin, A. (2026). The relationship between lactate to albumin ratio and in-hospital mortality in critically ill patients with acute decompensated heart failure. Turkish Journal of Clinics and Laboratory, Sayı: 1. https://doi.org/10.18663/tjcl.1848377

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