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August 4, 2025Frontiers in NutritionOpen Access

Prognostic value of the Geriatric Nutritional Risk Index in patients undergoing cardiac surgery: a systematic review and meta-analysis

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Authors

PLPing LuoKSKai ShiYLYu Luo

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Overview

Systematic review reveals low GNRI raises short-term and long-term mortality risk in cardiac surgery, suggesting nutritional assessment is vital.

Key Points

  • A low preoperative geriatric nutritional risk index is linked to a higher risk of short-term mortality (RR: 3.19, p < 0.001).
  • Long-term mortality risk also increases with low GNRI (RR: 2.32, p < 0.001) across 16 studies involving 7,593 patients.
  • Patients with low GNRI face increased risks of acute kidney injury (RR: 1.77, p = 0.02) and overall infections (RR: 3.35, p < 0.001).
  • Mean age and sample size contribute to outcome heterogeneity in long and short-term mortality, respectively, highlighting assessment importance.

Cite This Study

Luo et al. (2025) studied this question.

synapsesocial.com/papers/689a0f8de6551bb0af8d0e5ahttps://doi.org/10.3389/fnut.2025.1628671
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Geriatric nutritional risk index as a predictor of outcomes in elderly patients undergoing percutaneous coronary intervention: An updated systematic review and meta-analysis2025
  2. 2Predictive role of geriatric nutritional risk index for postoperative complications in operated esophageal cancer patients: a meta-analysis2025
  3. 3Predictive value of geriatric nutritional risk index in patients with pancreatic cancer: a meta-analysis2025
  4. 4The Geriatric Nutritional Risk Index: A Key Indicator of Perioperative Outcome in Oldest-old Patients With Colorectal Cancer2025 · 2 citations
  5. 5Reduced Geriatric Nutritional Risk Index Is Associated with Prevalent Diabetes Mellitus and In-Hospital Mortality in Patients Hospitalized with Heart Failure2026