Grade B	Prophylactic onlay mesh reinforcement has the potential to become the standard treatment for high-risk patients undergoing midline laparotomy
Grade B	There is no relevant difference between midline and transverse incisions regarding the incidence for incisional hernia formation
Grade C	A prophylactic mesh could be used in the closure of emergency midline laparotomies in high-risk groups
Grade A	A prophylactic mesh should be placed at the primary stoma operation
Grade B	Extraperitoneal colostomy is more effective and safer for end colostomies compared to transperitoneal
Grade B	The resorbable synthetic mesh has no advantage during emergency ostomy formation