JOURNAL ARTICLE
REVIEW

Single Versus Multi-Incisional Video-Assisted Thoracic Surgery: A Systematic Review and Meta-analysis

Ahmed A Abouarab, Mohamed Rahouma, Mohamed Kamel, Galal Ghaly, Abdelrahman Mohamed
Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A 2018, 28 (2): 174-185
29106318

BACKGROUND: Video-Assisted Thoracic Surgery (VATS) is conventionally performed through multiple small incisions (C-VATS). Recent studies have reported encouraging results with the single-incision VATS (S-VATS) over the conventional technique. However, these studies were either small in size, unfocused, nonuniform, retrospective, lacking follow-up information, or focused on pain. We aim to validate previously reported results in a single large meta-analysis, including only the best evidence studies available.

METHODS: Systematic review of the PubMed archive was conducted to include only full English articles with Newcastle Ottawa Scale score ≥7. The primary outcome was the complications rate while secondary outcomes were operative time, resected lymph nodes (LNs), chest tube duration, estimated blood loss, length of postoperative stay (LOS), and postoperative pain on day 1 after surgery. Odds ratio and standard mean difference were used as effect estimates. Random model and leave-one-out analysis were used.

RESULTS: A total of 39 studies were included with 4635 patients (1686 S-VATS versus 2949 C-VATS). S-VATS has resulted in significantly less postoperative pain (P < .001), blood loss (P = .006), LOS (P < .001), and chest tube duration (P < .001). In lung cancer patients, the number of retrieved LNs was similar to that of C-VATS (P > .05). Subgroup comparison of the rate of complications between lung resections versus other intrathoracic procedures, lung cancer versus pneumothorax, and lung cancer versus other lung-only lesions did not show any significant differences between the groups.

CONCLUSION: Performing S-VATS technique has shown superior postoperative outcomes over the C-VATS technique in the treatment of thoracic disorders. Substantial benefit was confirmed in terms of less postoperative pain, blood loss, drainage time, and postoperative hospital stay.

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