Splenic vessels preserving versus Warshaw technique in spleen preserving distal pancreatectomy: A systematic review and meta-analysis

•Splenic vessels preserving and Warshaw technique for distal pancreatectomy without splenectomy are both safe and effective techniques.•Splenic vessels preserving distal pancreatectomy should be performed to reduce postoperative spleen-related complications.•Tumor size and histopathological diagnosis should be considered significant parameters before making surgical decisions.