Background/aim: The indications for limited resection in high-risk patients with stage I non-small cell lung cancer (NSCLC) remain controversial. The purpose of this study was to evaluate the prognostic impact of the preoperative prognostic nutritional index (PNI) in high-risk patients undergoing limited resection.

Patients And Methods: High-risk patients undergoing limited resection for stage I NSCLC in our institution from 2005 to 2020 were retrospectively reviewed. Patients with clinical/pathological Tis/minimally invasive adenocarcinoma and multiple NSCLC were excluded. A multivariate Cox regression analysis was conducted to identify factors associated with overall survival (OS).

Results: Ninety eligible patients were included in this study. Grade ≥2 postoperative complications were significantly more frequent in the low-PNI group (6 cases, 16.6% vs. 7 cases, 12.9%; p=0.03). The rate of death due to other diseases was significantly higher in the low-PNI group than in the high-PNI group (14 cases, 50.0% vs. 11 cases, 25.0%; p=0.002). The multivariate analysis showed that male sex, Brinkman index ≥400, preoperative low PNI and pathological T factor ≥T1c/T2a were independent prognostic factors for OS.

Conclusion: In high-risk patients undergoing limited resection for stage I NSCLC, low PNI was a poor prognostic factor, especially in relation to death from other diseases and lung cancer. The results may support thoracic surgeons in decision-making in relation to the indications for surgery.

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Source
http://dx.doi.org/10.21873/anticanres.16547DOI Listing

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