• Medicine · Jan 2025

    Observational Study

    Distinct prognostic impacts of age-adjusted Charlson comorbidity index and geriatric nutritional risk index in patients with intraductal papillary mucinous neoplasm.

    • Takuya Yuge, Yasuhiro Murata, Takahiro Ito, Aoi Hayasaki, Yusuke Iizawa, Takehiro Fujii, Akihiro Tanemura, Naohisa Kuriyama, Masashi Kishiwada, and Shugo Mizuno.
    • Department of the Hepatobiliary Pancreatic and Transplant Surgery, Mie University Graduate School of Medicine, Tsu, Mie, Japan.
    • Medicine (Baltimore). 2025 Jan 10; 104 (2): e41215e41215.

    AbstractThe optimal surgical indication for intraductal papillary mucinous neoplasms (IPMN) remains highly contentious. We aimed to determine the preoperative predictive factors of malignancy and independent prognostic factors in patients with IPMN who underwent curative-intent resection. In this study, 104 patients with a pathological diagnosis of IPMN who underwent curative-intent resection were included. Multivariate regression and Cox proportional-hazards analyses were performed to identify the predictive factors for invasive intraductal papillary mucinous carcinoma (IPMC) and prognostic factors for overall survival (OS) after surgery. Among the 104 patients, 24 (23.1%) were pathologically diagnosed with invasive IPMC, and the remaining 80 had low-grade dysplasia or high-grade dysplasia. The presence of high-risk stigmata was an independent predictive risk factor for invasive IPMC. The age-adjusted Charlson comorbidity index (ACCI) (≥4/<4) and geriatric nutritional risk index (GNRI) (<99/≥99) were independent poor prognostic factors for OS (hazard ratio [HR]: 9.39; 95% confidence interval [CI]: 1.90-46.54; P = .006 and HR: 4.37; 95% CI: 1.07-17.86, P = .040, respectively). Forty patients with ACCI ≥ 4 (38.5%) had a significantly lower 5-year OS rate than those with ACCI < 4 (74.3 vs 98.2%, P < .001). Similarly, 29 patients with GNRI < 99 (27.9%) had a significantly lower 5-year OS rate than those with GNRI ≥ 99 (76.0 vs 95.1%, P < .001). These 2 factors were associated with significantly worse disease-specific survival after surgery. The ACCI and GNRI emerged as independent prognostic factors after surgery in patients with IPMN. These findings highlight the importance of patient-conditional factors as valuable indicators for predicting favorable long-term survival outcomes after surgery and for facilitating a more precise assessment of surgical eligibility in patients with IPMN.Copyright © 2025 the Author(s). Published by Wolters Kluwer Health, Inc.

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