Direct trocar insertion vs. Veress needle technique in laparoscopic surgeries. A systematic review and meta-analysis.

Aim: To compare the safety and efficacy between Veress needle insertion and direct trocar insertion in laparoscopic surgeries.

Methods: Relevant clinical trials were retrieved from major databases; Web of Science, Cochrane CENTRAL, PubMed, and SCOPUS. The following outcomes were pooled for analysis: failed entry, extraperitoneal insufflation, vascular lesion, omental lesion and visceral lesion, site bleeding, reintervention, subcutaneous emphysema, solid organ lesion, and infection of the trocar site.