• Jpn. J. Clin. Oncol. · Dec 2019

    Comparative Study

    Wedge resection versus segmentectomy in patients with stage I non-small-cell lung cancer unfit for lobectomy.

    • Yasuhiro Tsutani, Atsushi Kagimoto, Yoshinori Handa, Takahiro Mimae, Yoshihiro Miyata, and Morihito Okada.
    • Department of Surgical Oncology, Hiroshima University, Hiroshima 734-8551, Japan.
    • Jpn. J. Clin. Oncol. 2019 Dec 27; 49 (12): 1134-1142.

    ObjectiveThe present study aimed to compare the outcomes of wedge resection and segmentectomy in patients with clinical stage I non-small-cell lung cancer (NSCLC) who were unfit for lobectomy.MethodsBetween April 2007 and December 2015, 99 patients with stage I NSCLC who were considered unfit for lobectomy and had undergone sublobar resection were identified. Propensity scores were estimated for multivariable analyses, and surgical outcomes were compared between patients who underwent wedge resection and those who underwent segmentectomy.ResultsSixty patients underwent wedge resection and 39 underwent segmentectomy. Severe postoperative complications (>Grade IIIa) were more frequent in segmentectomy (15.4%) than in wedge resection (3.3%, P = 0.054). Propensity score-adjusted multivariable analysis revealed that operative procedure was an independent predictive factor for severe postoperative complication (segmentectomy, odds ratio = 8.18; P = 0.021). Overall survival (OS) and recurrence-free survival (RFS) were not significantly different between wedge resection (5-year OS, 61.3%, 5-year RFS, 49.4%) and segmentectomy (5-year OS, 68.2%, 5-year RFS, 56.8 %, P = 0.95, P = 0.93, respectively). Propensity score-adjusted multivariable Cox analysis revealed that operative procedure was not an independent factor for OS (segmentectomy, hazard ratio = 1.21, P = 0.62) or RFS (segmentectomy, hazard ratio = 1.07, P = 0.84).ConclusionSegmentectomy was more toxic but failed to show the superiority of survival compared with wedge resection. Wedge resection may be the optimal procedure for patients with clinical stage I NSCLC who are considered to be unfit for lobectomy.© The Author(s) 2019. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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