Left Upper Lobe Multi-Segmentectomy Versus Lobectomy for Early-Stage Lung Cancer: A Meta-Analysis

The left upper lobe (LUL) has unique hilar anatomy, and LUL multi-segmentectomy (apical trisegmentectomy and lingulectomy) may result in different outcomes than both single anatomical segmentectomy and left upper lobectomy in the management of early-stage primary lung cancer; however no meta-analyse...

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Published inHeart, lung & circulation Vol. 32; no. 5; pp. 596 - 603
Main Authors Bayfield, Nicholas G.R., Bibo, Liam, Wang, Edward, Edelman, James
Format Journal Article
LanguageEnglish
Published Australia Elsevier B.V 01.05.2023
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Summary:The left upper lobe (LUL) has unique hilar anatomy, and LUL multi-segmentectomy (apical trisegmentectomy and lingulectomy) may result in different outcomes than both single anatomical segmentectomy and left upper lobectomy in the management of early-stage primary lung cancer; however no meta-analyses have been performed. The aim of this meta-analysis is to determine if LUL multi-segmentectomy is non-inferior to left upper lobectomy for long-term survival outcomes, or superior for in-hospital outcomes. Electronic databases searches were performed on PubMed, Embase, and the Cochrane Library to identify studies comparing outcomes in LUL multi-segmentectomy vs left upper lobectomy in early-stage lung cancer (clinical stage T2 N0 or less). Long-term postoperative overall and disease-free survival were assessed via reconstruction of Kaplan-Meier survival curves. In-hospital complications and length of stay, as well as long term recurrence were analysed via random effects models. Five relevant studies were identified, including 1,196 patients. Overall survival did not differ at 5 years (multi-segmentectomy 92.6% vs lobectomy 89.3%, P=0.188), but patients undergoing LUL multi-segmentectomy had better disease-free survival at 5 years (93.1% vs 88.4%, P=0.041). Patients undergoing LUL multi-segmentectomy had a shorter mean length of hospital stay (mean difference -0.26 days, 95% CI; -0.39 to 0.14, P<0.01, I2=0.00%). There was no difference in combined in-hospital complications (P=0.14), local recurrence (P=0.35), distant recurrence (P=0.23), or overall recurrence (P=0.39). LUL multi-segmentectomy is associated with reduced hospital length of stay, but no difference in long-term overall survival compared with left upper lobectomy in the management of early-stage primary lung cancer.
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ISSN:1443-9506
1444-2892
DOI:10.1016/j.hlc.2023.02.006