Abstract
BackgroundOperative safety and oncologic adequacy of thoracoscopic sleeve lobectomy remain controversial. As such, the purpose of this meta-analysis was to evaluate evidence comparing thoracoscopy and thoracotomy in sleeve lobectomy for centrally located non-small cell lung cancer (NSCLC).MethodsElectronic searches of PubMed and Web of Science databases were undertaken from inception to March 2020. Comparative studies about thoracoscopic and thoracotomy sleeve lobectomy, with evaluation for perioperative outcomes and oncological results were identified. The following outcomes were measured in this meta-analysis: operating time, blood loss, numbers of lymph node, postoperative hospital stay, chest drainage time, postoperative complication rate, mortality, overall survival (OS). The standardized difference (SMD), relative risk (RR) and hazard ratio (HR) with 95% confidence intervals (CI) were pooled using Stata software.ResultsSix studies generating 281 thoracoscopy and 369 thoracotomy cases were finally included. There was no significant difference in intraoperative blood loss, number of resected lymph nodes, chest drainage time, postoperative complication rate and mortality between two groups. However, thoracoscopic sleeve lobectomy was associated with longer operation time (SMD 0.59, 95% CI: 0.14 to 1.03, P=0.010). And shorter postoperative hospital stays (SMD −0.24, 95% CI: −0.51 to 0.03, P=0.078) were observed in the thoracoscopy group with marginal significance. Furthermore, sleeve lobectomy via thoracoscopy could achieve comparable OS compared to that via thoracotomy (HR 0.69, 95% CI: 0.38 to 1.00; P<0.001). In addition, there were no evident publication bias in all observational outcomes.ConclusionsCurrent evidence suggests that thoracoscopic sleeve lobectomy is a safe and efficient surgical procedure for centrally located NSCLC, with comparable perioperative outcomes and equivalent oncological results compared to thoracotomy sleeve lobectomy.
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