MIN Weirun 1,2,3 , CAO Wei 1 , LI Haochi 1 , ZHANG Jinlong 1 , DONG Xinchun 2,3 , LUO Xindong 1 , HE Shengliang 2,3 , GOU Yunjiu 2,3
  • 1. First Clinical Medical school, Gansu University of Chinese Medicine, Lanzhou, 730000, P. R. China;
  • 2. Gansu Provincial Thoracic Disease Clinical Medical Research Center, Lanzhou, 730000, P. R. China;
  • 3. First Department of Thoracic Surgery, Gansu Provincial Hospital, Lanzhou, 730000, P. R. China;
DONG Xinchun, Email: 3050319523@qq.com; GOU Yunjiu, Email: gouyunjiu@163.com
Pneumothorax; spontaneous pneumothorax; single-incision thoracoscopic surgery; two-port video-assisted thoracoscopic surgery; three-port video-assisted thoracoscopic surgery; systematic review/meta-analysis
10.7507/1007-4848.202402034
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Objective  To systematically evaluate the efficacy and safety of video-assisted thoracoscopic surgery (VATS) with different numbers of ports in the treatment of spontaneous pneumothorax. Methods  We conducted a comprehensive search of CNKI, PubMed, The Cochrane Library, Web of Science, EMbase, Wanfang Data, and the Chinese Medical Journal Full-text Database for clinical controlled trials on VATS with different port numbers for spontaneous pneumothorax, from their inception to March 2023. Two researchers independently screened the literature and assessed its quality using the Newcastle-Ottawa Scale (NOS). Meta-analysis was performed using RevMan 5.4.1 software. Results  A total of 107 studies were included, comprising 35 randomized controlled trials, 2 cohort studies, and 70 case-control studies. The meta-analysis revealed that compared to two-port VATS (2P-VATS) and three-port VATS (3P-VATS), single-incision thoracoscopic surgery (SITS) was associated with less intraoperative blood loss (SMD=–1.58, 95%CI: –1.93 to –1.22, P<0.001; and SMD=–1.59, 95%CI: –2.03 to –1.14, P<0.001, respectively), shorter postoperative hospital stay (SMD=–1.05, 95%CI: –1.29 to –0.82, P<0.001; and SMD=–1.08, 95%CI: –1.39 to –0.77, P<0.001), shorter duration of postoperative chest tube drainage (SMD=–0.75, 95%CI: –1.00 to –0.50, P<0.001; and SMD=–1.23, 95%CI: –1.72 to –0.75, P<0.001), fewer postoperative complications (OR=0.34, 95%CI: 0.26 to 0.45, P<0.001; and OR=0.47, 95%CI: 0.33 to 0.68, P<0.001), lower postoperative recurrence (OR=0.50, 95%CI: 0.33 to 0.75, P=0.0008, vs. 2P-VATS), and less postoperative pain (SMD=–1.71, 95%CI: –1.98 to –1.45, P<0.001; and SMD=–2.02, 95%CI: –2.46 to –1.59, P<0.001). The operative time for SITS was shorter than for 2P-VATS (SMD=–0.53, 95%CI: –0.90 to –0.16, P=0.005) but showed no significant difference compared to 3P-VATS (P=0.21). When comparing 2P-VATS with 3P-VATS, 2P-VATS demonstrated less intraoperative blood loss (SMD=–1.02, 95%CI: –1.81 to –0.22, P=0.01), shorter postoperative hospital stay (SMD=–0.59, 95%CI: –1.11 to –0.06, P=0.03), shorter duration of chest tube drainage (SMD=–0.46, 95%CI: –0.85 to –0.08, P=0.02), fewer postoperative complications (OR=0.36, 95%CI: 0.22 to 0.59, P<0.001), and less postoperative pain (SMD=–0.80, 95%CI: –1.08 to –0.53, P<0.001). Conclusion  Both SITS and 2P-VATS are effective and safe surgical options for spontaneous pneumothorax, deserving further promotion and application in clinical practice. However, due to limitations in the quantity and quality of the included studies, more large-sample, high-quality research is needed to validate these findings.

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