Segmentectomy Provides Comparable Outcomes to Lobectomy for Stage IA Non-small Cell Lung Cancer with Spread through Air Spaces

医学 危险系数 楔形切除术 置信区间 肺癌 阶段(地层学) 全肺切除术 多元分析 病态的 内科学 外科 比例危险模型 胃肠病学 肿瘤科 切除术 古生物学 生物
作者
Toshihiro Ikeda,Kyuichi Kadota,Tetsuhiko Go,Noriyuki Misaki,Reiji Haba,Hiroyasu Yokomise
出处
期刊:Seminars in Thoracic and Cardiovascular Surgery [Elsevier BV]
卷期号:35 (1): 156-163 被引量:9
标识
DOI:10.1053/j.semtcvs.2022.02.001
摘要

This study aimed to compare the recurrence-free survival (RFS) and overall survival (OS) among wedge resection (non-anatomical resection), segmentectomy and lobectomy for pathological stage IA non-small cell lung cancer (NSCLC) with spread through air spaces (STAS). Patients underwent surgical treatment for pathological stage IA NSCLC between January 1, 2005, and March 31, 2016, at our hospital. Surgical procedures were classified as lobectomy, segmentectomy, and wedge resection. Among the 555 analyzed cases, STAS was observed in 148 patients (26.7%). STAS was correlated with worse RFS (P < 0.001) and OS (P < 0.001) and was an independent poor prognostic factor for RFS (hazard ratio: 2.37, P < 0.001) and OS (hazard ratio: 2.02, P < 0.001) in the multivariate analysis. In patients with STAS, the RFS and OS in the segmentectomy group were comparable to those in the lobectomy group. However, the RFS and OS in the wedge resection group were significantly lower than those in the lobectomy group (RFS, P < 0.001; OS, P = 0.001). Wedge resection was an independent prognostic factor for poor RFS (hazard ratio [HR] = 3.87; 95% confidence interval [CI] = 1.84 – 8.12, P < 0.001), and poor OS (hazard ratio [HR] = 3.39; 95% confidence interval [CI] = 1.33 – 8.76, P = 0.011) in the multivariate analysis. Segmentectomy is an adequate operation for patients with stage IA NSCLC with or without STAS. However, wedge resection is associated with a higher risk of recurrence in this patient population. This study aimed to compare the recurrence-free survival (RFS) and overall survival (OS) among wedge resection (non-anatomical resection), segmentectomy and lobectomy for pathological stage IA non-small cell lung cancer (NSCLC) with spread through air spaces (STAS). Patients underwent surgical treatment for pathological stage IA NSCLC between January 1, 2005, and March 31, 2016, at our hospital. Surgical procedures were classified as lobectomy, segmentectomy, and wedge resection. Among the 555 analyzed cases, STAS was observed in 148 patients (26.7%). STAS was correlated with worse RFS (P < 0.001) and OS (P < 0.001) and was an independent poor prognostic factor for RFS (hazard ratio: 2.37, P < 0.001) and OS (hazard ratio: 2.02, P < 0.001) in the multivariate analysis. In patients with STAS, the RFS and OS in the segmentectomy group were comparable to those in the lobectomy group. However, the RFS and OS in the wedge resection group were significantly lower than those in the lobectomy group (RFS, P < 0.001; OS, P = 0.001). Wedge resection was an independent prognostic factor for poor RFS (hazard ratio [HR] = 3.87; 95% confidence interval [CI] = 1.84 – 8.12, P < 0.001), and poor OS (hazard ratio [HR] = 3.39; 95% confidence interval [CI] = 1.33 – 8.76, P = 0.011) in the multivariate analysis. Segmentectomy is an adequate operation for patients with stage IA NSCLC with or without STAS. However, wedge resection is associated with a higher risk of recurrence in this patient population. Central MessageSegmentectomy is an adequate operation for patients with stage IA non-small cell lung cancer that has spread through air spaces.Perspective StatementSegmentectomy is an adequate operation for patients with stage IA non-small cell lung cancer (NSCLC) with or without spread through air spaces (STAS). Despite the postoperative pathological diagnosis of STAS, the prognosis of patients who have undergone segmentectomy for stage IA NSCLC may provide comparable outcomes to lobectomy. Segmentectomy is an adequate operation for patients with stage IA non-small cell lung cancer that has spread through air spaces. Segmentectomy is an adequate operation for patients with stage IA non-small cell lung cancer (NSCLC) with or without spread through air spaces (STAS). Despite the postoperative pathological diagnosis of STAS, the prognosis of patients who have undergone segmentectomy for stage IA NSCLC may provide comparable outcomes to lobectomy.
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