Treatment Guideline Chart
Diverticulitis is the inflammation of the diverticulum which is a herniation of the mucosa and submucosa of the colonic wall that may fill with fecal material or undigested food particles. 
Abdominal pain is usually localized, abrupt, steady and may worsen over time.
Other signs and symptoms are fever, anorexia, nausea without vomiting, and altered bowel movements, commonly constipation but may also present with diarrhea or tenesmus.

Diverticulitis References

  1. Mazuski JE, Sawyer RG, Nathens AB, et al. The Surgical Infection Society guidelines on antimicrobial therapy for intra-abdominal infections: evidence for the recommendations. Surg Infect (Larchmt). 2002;3(3):175-233. PMID: 12542923
  2. Solomkin JS, Mazuski JE, Baron EJ, et al; Infectious Diseases Society of America. Guidelines for the selection of anti-infective agents for complicated intra-abdominal infections. Clin Infect Dis. 2003 Oct;37(8):997-1005. PMID: 14523762
  3. MedWormhttp://www.medworm.com/rss/index.php/Gastroenterology/17/http://www.medworm.com/rss/medicalfeeds/specialities/Gastroenterology.xml
  4. Kazzi AA, Kazzi Z. Diverticular disease. http://www.emedicine.com/. Dec 2004. Accessed 19 Jun 2005.
  5. American College of Radiology, Expert Panel on Gastrointestinal Imaging. Evaluation of left lower quadrant pain, ACR Appropriateness Criteria. http://www.acr.org/. 2003. Accessed 19 Jun 2005.
  6. The Society for Surgery of the Alimentary Tract (SSAT) Patient Care Guidelines. Surgical treatment of diverticulitis. http://www.ssat.com/cgi-bin/divert.cgi. 2003. Accessed 19 Jun 2005
  7. The Standard Task Force, The American Society of Colon and Rectal Surgeons. Practice parameters for the treatment of sigmoid diverticulitis [supporting documentation]. http://www.fascrs.org/displaycommon.cfm?an=1&subarticlenbr=150. Accessed 19 Jun 2005
  8. Andersen JC, Bundgaard L, Elbrønd H, Laurberg S, Walker LR, Støvring J; Danish Surgical Society. Danish national guidelines for treatment of diverticular disease. Dan Med J. 2012 May;59(5):C4453. http://www.danmedj.dk/portal/pls/portal/!PORTAL.wwpob_page.show?_docname=9020912.PDF. Accessed 10 Mar 2014. PMID: 22549495
  9. Feingold D, Steele SR, Lee S, et al. Practice parameters for the treatment of sigmoid diverticulitis. Dis Colon Rectum. 2014 Mar;57(3):284-94. doi: 10.1097/DCR.0000000000000075. Accessed 11 Mar 2014. PMID: 24509449
  10. Young-Fadok T, Pemberton JH. Treatment of acute diverticulitis. UpToDate. http://www.uptodate.com/. 10 Feb 2014. Accessed 10 Mar 2014.
  11. Ministry of Health Malaysia. National antibiotic guideline 2014, 2nd edition. Pharmaceutical Services Divisions, Ministry of Health Malaysia. http://www.pharmacy.gov.my. Dec 2014. Accessed 16 Jul 2015.
  12. Floch MH, Longo WE. United States guidelines for diverticulitis treatment. J Clin Gastroenterol. 2016 Oct;50(Suppl 1):S53-S56. doi: 10.1097/MCG.0000000000000668. Accessed 26 Oct 2016. PMID: 27622366
  13. Stollman N, Smalley W, Hirano I; AGA Institute Clinical Guidelines Committee. American Gastroenterological Association Institute guideline on the management of acute diverticulitis. Gastroenterology. 2015 Dec;149(7):1944-1949. http://www.gastrojournal.org/. Accessed 26 Oct 2016. PMID: 26453777
  14. Pemberton JH. Acute colonic diverticulitis: Medical management. UpToDate. https://www.uptodate.com. 29 Jun 2020. Accessed 18 Dec 2020.
  15. Pemberton JH. Clinical manifestations and diagnosis of acute diverticulitis in adults. UpToDate. https://www.uptodate.com. 16 Dec 2019.
  16. Hall J, Hardiman K, Lee S, et al. The American Society of Colon and Rectal Surgeons clinical practice guidelines for the treatment of left-sided colonic diverticulitis. Dis Colon Rectum. 2020 Jun;63(6):728–747. doi: 10.1097/DCR.0000000000001679. PMID: 32384404
  17. Schultz JK, Azhar N, Binda GA, et al. European Society of Coloproctology: guidelines for the management of diverticular disease of the colon. Colorectal Dis. 2020 Sep;22(Suppl 2):5-28. doi: 10.1111/codi.15140. Accessed 22 Dec 2020. PMID: 32638537
  18. Sartelli M, Weber DG, Kluger Y, et al. 2020 update of the WSES guidelines for the management of acute colonic diverticulitis in the emergency setting. World J Emerg Surg. 2020 May;15(1):32. doi: 10.1186/s13017-020-00313-4. Accessed 22 Dec 2020. PMID: 32381121
  19. National Institute for Health and Care Excellence. Diverticular disease: diagnosis and management. NICE. https://www.nice.org.uk. 27 Nov 2019. Accessed 21 Dec 2020.
  20. Francis NK, Sylla P, Abou-Khalil M, et al. EAES & SAGES 2018 consensus conference on acute diverticulitis management: evidence-based recommendations for clinical practice. Surg Endosc. 2019 Sep;33(9):2726-2741. doi: 10.1007/s00464-019- 06882-z. PMID: 31250244
  21. Peery AF, Shaukat A, Strate LL. AGA Clinical practice update on medical management of colonic diverticulitis: expert review. Gastroenterology. 2021 Feb;160(3):906-911.e1. doi: 10.1053/j.gastro.2020.09.059. PMID: 33279517
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