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Single- versus two-port video-assisted thoracic surgery in mediastinal tumor: a propensity-matched study
Shilong Wu1, Hengrui Liang1, Wenhua Liang1
1Department of Thoracic Surgery and Oncology, the First Affiliated Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou 510120, China.
Background:
In this retrospective study, we aimed to compare single-port (SP) and two-port (TP) video-assisted thoracic surgery (VATS) for the surgical resection of mediastinal tumor.
Methods:
Between December 2015 and October 2018, a total of 191 consecutive mediastinal tumor patients who underwent SP- or TP-VATS in the First Affiliated Hospital of Guangzhou Medical University were enrolled. Propensity-matched analysis, incorporating preoperative clinical features, was used to compare the perioperative outcomes and analyse the safety and efficacy between SP-VATS and TP-VATS for mediastinal tumor.
Results:
There were 43 patients in the SP-VATS group, and 148 patients in the TP-VATS group from December 2015 to October 2018. Propensity matching produced 40 pairs in this retrospective study. The baseline characters were all well balanced. During the operation, the SP-VATS group showed shorter operation time (89.38 vs. 101.82 min; P=0.042) and less chest tube [16 (40.0%) vs. 28 (70.0%); P=0.007] than TP-VATS group. Postoperatively, SP and TP groups showed similar results in terms of morbidity and recovery.
Conclusions:
In this retrospective study, our experiences have shown that SP-VATS is a safe and promising technique and is not inferior to the TP-VATS.
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