The majority of IAAs develop from appendicitis, diverticulitis, or following a surgical procedure.[1]Kumar RR, Kim JT, Haukoos JS, et al. Factors affecting the successful management of intra-abdominal abscesses with antibiotics and the need for percutaneous drainage. Dis Colon Rectum. 2006 Feb;49(2):183-9.
http://www.ncbi.nlm.nih.gov/pubmed/16322960?tool=bestpractice.com
It is estimated that 6% of patients undergoing colorectal surgery will develop a post-operative IAA.[6]Lawson EH, Ko CY, Adams JL, et al. Reliability of evaluating hospital quality by colorectal surgical site infection type. Ann Surg. 2013 Dec;258(6):994-1000.
http://www.ncbi.nlm.nih.gov/pubmed/23657082?tool=bestpractice.com
[7]Holubar SD, Hedrick T, Gupta R, et al. American Society for Enhanced Recovery (ASER) and Perioperative Quality Initiative (POQI) joint consensus statement on prevention of postoperative infection within an enhanced recovery pathway for elective colorectal surgery. Perioper Med (Lond). 2017 Mar 3;6:4.
https://perioperativemedicinejournal.biomedcentral.com/articles/10.1186/s13741-017-0059-2
http://www.ncbi.nlm.nih.gov/pubmed/28270910?tool=bestpractice.com