{"title":"Lymph node sampling and survival in non-small-cell lung cancer: a 10-year Danish cohort study†.","authors":"Logi B Arnarsson, Michael Stenger","doi":"10.1093/ejcts/ezaf158","DOIUrl":null,"url":null,"abstract":"<p><strong>Objectives: </strong>To investigate patterns of lymph node sampling and the potential impact on overall survival regarding adherence to selected intraoperative lymph node sampling guidelines. Additionally, we aimed to identify variables associated with guideline adherence and nodal upstaging.</p><p><strong>Methods: </strong>A retrospective cohort study was conducted of patients undergoing anatomical lung resection for non-small cell lung cancer (clinical T1-4, N0 disease) from 2012 to 2021 identified through the Danish Lung Cancer Registry. Intraoperative lymph node sampling guidelines according to The National Comprehensive Cancer Network (NCCN) were selected. Missing data were imputed and propensity-score-matched by guideline adherence. Survival outcomes were analysed using Kaplan-Meier curves and log-rank test. Logistic and Cox regression assessed factors associated with survival, guideline adherence and nodal upstaging.</p><p><strong>Results: </strong>A total of 6615 patients were included, 5670 remained after propensity-score-matched. Adherence to the NCCN guidelines did not impact overall survival (log-rank P-value = 0.31) or nodal upstaging (P-value = 0.26). No patient or tumour characteristics were significantly associated with guideline compliance. Factors associated with higher likelihood of upstaging included higher clinical T stage, histopathology, younger age, open surgery and type of resection.</p><p><strong>Conclusions: </strong>In this cohort, intraoperative lymph node sampling in adherence with the selected NCCN guidelines did not impact survival or nodal upstaging rates.</p>","PeriodicalId":11938,"journal":{"name":"European Journal of Cardio-Thoracic Surgery","volume":" ","pages":""},"PeriodicalIF":3.0000,"publicationDate":"2025-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Journal of Cardio-Thoracic Surgery","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1093/ejcts/ezaf158","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CARDIAC & CARDIOVASCULAR SYSTEMS","Score":null,"Total":0}
引用次数: 0
Abstract
Objectives: To investigate patterns of lymph node sampling and the potential impact on overall survival regarding adherence to selected intraoperative lymph node sampling guidelines. Additionally, we aimed to identify variables associated with guideline adherence and nodal upstaging.
Methods: A retrospective cohort study was conducted of patients undergoing anatomical lung resection for non-small cell lung cancer (clinical T1-4, N0 disease) from 2012 to 2021 identified through the Danish Lung Cancer Registry. Intraoperative lymph node sampling guidelines according to The National Comprehensive Cancer Network (NCCN) were selected. Missing data were imputed and propensity-score-matched by guideline adherence. Survival outcomes were analysed using Kaplan-Meier curves and log-rank test. Logistic and Cox regression assessed factors associated with survival, guideline adherence and nodal upstaging.
Results: A total of 6615 patients were included, 5670 remained after propensity-score-matched. Adherence to the NCCN guidelines did not impact overall survival (log-rank P-value = 0.31) or nodal upstaging (P-value = 0.26). No patient or tumour characteristics were significantly associated with guideline compliance. Factors associated with higher likelihood of upstaging included higher clinical T stage, histopathology, younger age, open surgery and type of resection.
Conclusions: In this cohort, intraoperative lymph node sampling in adherence with the selected NCCN guidelines did not impact survival or nodal upstaging rates.
期刊介绍:
The primary aim of the European Journal of Cardio-Thoracic Surgery is to provide a medium for the publication of high-quality original scientific reports documenting progress in cardiac and thoracic surgery. The journal publishes reports of significant clinical and experimental advances related to surgery of the heart, the great vessels and the chest. The European Journal of Cardio-Thoracic Surgery is an international journal and accepts submissions from all regions. The journal is supported by a number of leading European societies.