Complications Related to the Initial Trocar Insertion of 3 Different Techniques: A Systematic Review and Meta-analysis.

This systematic review aimed to investigate complications related to initial trocar insertion among 3 different laparoscopic techniques: Veress needle (VN) entry, direct trocar entry (DTE), and open entry (OE). A literature search was completed, and complications were assessed. Major vessel injury, gastrointestinal injury, and solid organ injury were defined as major complications. Minor complications were defined as subcutaneous emphysema, extraperitoneal insufflation, omental emphysema, trocar site bleeding, and trocar site infection. Arm-based network meta-analyses were performed to identify the differences in complications among the 3 techniques. Seventeen studies were included in the quantitative analysis. DTE resulted in fewer major complications when compared with VN entry although the difference was not significant (p = .23) as well as significantly fewer minor complications (p < .001). There were no significant differences in minor complications when comparing OE and DTE (p = .74). Fewer major complications were observed with OE compared with VN entry although the difference was not significant (p = .31). There were significantly fewer minor complications for patients who underwent OE (p = .01). DTE patients experienced the least number of minor complications followed by VN entry and OE. In conclusion, major complications are extremely rare, and all 3 insertion methods can be performed without mortality.

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