Frailty syndrome is a more potent predictor of 30-day mortality than chronological age, increasing the risk nearly four-fold (RR 3.71) in elderly patients undergoing non-cardiac surgery.
Does modern risk stratification and prehabilitation improve postoperative outcomes in elderly surgical patients?
Integrating traditional ASA classification with structured frailty assessments and biochemical profiling provides a more accurate perioperative risk stratification for elderly surgical patients, shifting the focus toward disability-free survival.
Relative Risk: 3.71 (95% CI 2.89–4.77)
Background: The aging of the global population has triggered an unprecedented rise in complex surgical procedures for patients aged 80 and over. Traditional risk assessment models frequently fall short of identifying the true biological vulnerability of older adults. This study provides a critical analysis of contemporary risk stratification methods, with a particular emphasis on frailty syndrome, multimorbidity, and inflammatory-nutritional biomarkers. Methods: We conducted a structured narrative review of literature from 2015 to 2025, indexed in PubMed, MEDLINE, and EMBASE. The analysis included 33 high-impact publications, including the latest 2025 American Society of Anesthesiologists (ASA) guidelines, EAES/SAGES consensus statements, and results from multicenter snapshot studies (SNAP-2, SNAP-3). A narrative synthesis was chosen to allow for a broader pathophysiological interpretation of data characterized by high biological heterogeneity. Results: Our analysis confirms that frailty syndrome is a more potent predictor of 30-day mortality than chronological age (RR=3.71; 95% CI:2.89-4.77 Tjeertes et al., 2020). The data revealed a significant discrepancy between early mortality (approximately 2.0%) and 1-year mortality (13.4% Gill et al., 2022), suggesting that surgical trauma often serves as a "tipping point" that initiates a cascade of functional decline. Biomarkers are essential for identifying this "biological frailty." Specifically, hypoalbuminemia (<35 g/L) is linked to a substantial increase in the risk of postoperative pneumonia (RR=6.18 Tian et al., 2022), while a C-reactive protein-to-albumin ratio (CAR≥1.5) doubles the risk of postoperative delirium (OR=2.11 Kim et al., 2023). Furthermore, modern multimodal prehabilitation programs effectively reduce complication rates (OR=0.64; 95% CI:0.45-0.92 McIsaac et al., 2025). Conclusions: Effective care for geriatric patients requires the implementation of a hybrid model, one that integrates the traditional ASA classification with structured frailty assessments, such as the Clinical Frailty Scale (CFS), and biochemical profiling. The primary goal of treatment has shifted toward disability-free survival. Achieving this requires personalized care through comprehensive prehabilitation and a robust shared decision-making (SDM) process. The proposed four-layer model offers a practical framework for modern risk stratification in geriatric surgery.
Domagała et al. (Tue,) conducted a review in Elderly patients undergoing major non-cardiac surgery. Frailty syndrome vs. Robust (non-frail) status was evaluated on 30-day mortality (RR 3.71, 95% CI 2.89-4.77). Frailty syndrome is a more potent predictor of 30-day mortality than chronological age, increasing the risk nearly four-fold (RR 3.71) in elderly patients undergoing non-cardiac surgery.