The ability of the prognostic nutritional index to predict short-term mortality in geriatric acute heart failure.

Hilal Akça, Hatice Şeyma Akça, Abuzer Özkan, Serdar Özdemir
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Abstract

Background: Heart failure is a critical cardiovascular condition, necessitating comprehensive treatment approaches and contributing to elevated mortality rates. This study aimed to evaluate the effect of the prognostic nutritional index (PNI) on the prognosis of geriatric patients diagnosed with acute heart failure.

Results: A total of 104 patients were included and evaluated retrospectively in this study; 57.7% of them were females, and 19.24% of the patients died. A statistically significant difference was identified between high (≥ 35.6) and low PNI (< 35.6) groups in terms of lymphocyte count, neutrophil-lymphocyte ratio, C-reactive protein, and albumin (p values: < 0.001, < 0.001, 0.011, and < 0.001, respectively). The area under the curve (AUC) value for albumin was 0.53 (95% CI: 0.30-0.83) with a cutoff value of 3.1 g/dL; for lymphocyte count, it was 0.61 (95% CI: 0.57-0.84) with a cutoff value of 0.34 × 103/µL; and for PNI, it was 0.58 (95% CI: 41.18-85.06) with a cutoff value of 34.6.

Conclusion: The low PNI group exhibited a significantly higher mortality rate; nonetheless, PNI alone does not hold clinical significance as a prognostic marker. However, when combined with other clinical parameters, it can contribute to a more comprehensive assessment of patients.

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预后营养指数预测老年急性心力衰竭短期死亡率的能力。
背景:心力衰竭是一种严重的心血管疾病,需要综合治疗方法,并导致死亡率升高。本研究旨在评估预后营养指数(PNI)对老年急性心力衰竭患者预后的影响。结果:本研究共纳入104例患者并对其进行回顾性评估;其中女性占57.7%,死亡占19.24%。高PNI(≥35.6)和低PNI(3/µL;PNI为0.58 (95% CI: 41.18-85.06),临界值为34.6。结论:低PNI组死亡率明显高于对照组;然而,PNI单独作为预后指标并不具有临床意义。然而,当与其他临床参数结合时,它可以有助于对患者进行更全面的评估。
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