1. Wan D, Krisko T. Diverticulosis, diverticulitis, and diverticular bleeding. Clin Geriatr Med. 2021; 37:141–54.
2. Ma W, Nguyen LH, Song M, Jovani M, Liu PH, Cao Y, et al. Intake of dietary fiber, fruits, and vegetables and risk of diverticulitis. Am J Gastroenterol. 2019; 114:1531–8.
3. Strate LL, Keeley BR, Cao Y, Wu K, Giovannucci EL, Chan AT. Western dietary pattern increases, and prudent dietary pattern decreases, risk of incident diverticulitis in a prospective cohort study. Gastroenterology. 2017; 152:1023–30.
4. Cao Y, Strate LL, Keeley BR, Tam I, Wu K, Giovannucci EL, et al. Meat intake and risk of diverticulitis among men. Gut. 2018; 67:466–72.
5. Song JH, Kim YS, Lee JH, Ok KS, Ryu SH, Lee JH, et al. Clinical characteristics of colonic diverticulosis in Korea: a prospective study. Korean J Intern Med. 2010; 25:140–6.
6. Shahedi K, Fuller G, Bolus R, Cohen E, Vu M, Shah R, et al. Long-term risk of acute diverticulitis among patients with incidental diverticulosis found during colonoscopy. Clin Gastroenterol Hepatol. 2013; 11:1609–13.
7. Niikura R, Nagata N, Shimbo T, Aoki T, Yamada A, Hirata Y, et al. Natural history of bleeding risk in colonic diverticulosis patients: a long-term colonoscopy-based cohort study. Aliment Pharmacol Ther. 2015; 41:888–94.
8. Jensen DM, Machicado GA, Jutabha R, Kovacs TO. Urgent colonoscopy for the diagnosis and treatment of severe diverticular hemorrhage. N Engl J Med. 2000; 342:78–82.
9. Zullo A, Gatta L, Vassallo R, Francesco V, Manta R, Monica F, et al. Paradigm shift: the Copernican revolution in diverticular disease. Ann Gastroenterol. 2019; 32:541–53.
10. Touzios JG, Dozois EJ. Diverticulosis and acute diverticulitis. Gastroenterol Clin North Am. 2009; 38:513–25.
11. Rezapour M, Ali S, Stollman N. Diverticular disease: an update on pathogenesis and management. Gut Liver. 2018; 12:125–32.
12. Bharucha AE, Parthasarathy G, Ditah I, Fletcher JG, Ewelukwa O, Pendlimari R, et al. Temporal trends in the incidence and natural history of diverticulitis: a population-based study. Am J Gastroenterol. 2015; 110:1589–96.
13. Eckmann JD, Shaukat A. Updates in the understanding and management of diverticular disease. Curr Opin Gastroenterol. 2022; 38:48–54.
14. Stollman N, Smalley W, Hirano I; AGA Institute Clinical Guidelines Committee. American Gastroenterological Association institute guideline on the management of acute diverticulitis. Gastroenterology. 2015; 149:1944–9.
15. Peery AF, Shaukat A, Strate LL. AGA clinical practice update on medical management of colonic diverticulitis: expert review. Gastroenterology. 2021; 160:906–11.
16. Eberhardt F, Crichton M, Dahl C, Nucera R, Jenkins J, Marx W, et al. Role of dietary fibre in older adults with asymptomatic (AS) or symptomatic uncomplicated diverticular disease (SUDD): systematic review and meta-analysis. Maturitas. 2019; 130:57–67.
17. Magidson PD, Martinez JP. Abdominal pain in the geriatric patient. Emerg Med Clin North Am. 2016; 34:559–74.
18. Peery AF, Crockett SD, Murphy CC, Lund JL, Dellon ES, Williams JL, et al. Burden and cost of gastrointestinal, liver, and pancreatic diseases in the United States: update 2018. Gastroenterology. 2019; 156:254–72.
19. McGuire HH, Haynes BW. Massive hemorrhage for diverticulosis of the colon: guidelines for therapy based on bleeding patterns observed in fifty cases. Ann Surg. 1972; 175:847–55.
20. Meyers MA, Alonso DR, Gray GF, Baer JW. Pathogenesis of bleeding colonic diverticulosis. Gastroenterology. 1976; 71:577–83.
21. Casarella WJ, Kanter IE, Seaman WB. Right-sided colonic diverticula as a cause of acute rectal hemorrhage. N Engl J Med. 1972; 286:450–3.
22. Wong SK, Ho YH, Leong AP, Seow-Choen F. Clinical behavior of complicated right-sided and left-sided diverticulosis. Dis Colon Rectum. 1997; 40:344–8.
23. McGuire HH. Bleeding colonic diverticula. A reappraisal of natural history and management. Ann Surg. 1994; 220:653–6.
24. Smoot RL, Gostout CJ, Rajan E, Pardi DS, Schleck CD, Harmsen WS, et al. Is early colonoscopy after admission for acute diverticular bleeding needed? Am J Gastroenterol. 2003; 98:1996–9.
25. Tursi A, Elisei W, Franceschi M, Picchio M, Di Mario F, Brandimarte G. The prevalence of symptomatic uncomplicated diverticular disease could be lower than expected: a single-center colonoscopy-based cohort study. Eur J Gastroenterol Hepatol. 2021; 33(1 Suppl):e478–83.
26. Bassotti G, Sietchiping-Nzepa F, De Roberto G, Chistolini F, Morelli A. Colonic regular contractile frequency patterns in irritable bowel syndrome: the 'spastic colon' revisited. Eur J Gastroenterol Hepatol. 2004; 16:613–7.
27. Bassotti G, Battaglia E, Bellone G, Dughera L, Fisogni S, Zambelli C, et al. Interstitial cells of Cajal, enteric nerves, and glial cells in colonic diverticular disease. J Clin Pathol. 2005; 58:973–7.
28. Simpson J, Sundler F, Humes DJ, Jenkins D, Scholefield JH, Spiller RC. Post inflammatory damage to the enteric nervous system in diverticular disease and its relationship to symptoms. Neurogastroenterol Motil. 2009; 21:847–e58.
29. Barbaro MR, Cremon C, Fuschi D, Scaioli E, Veneziano A, Marasco G, et al. Nerve fiber overgrowth in patients with symptomatic diverticular disease. Neurogastroenterol Motil. 2019; 31:e13575.
30. Kvasnovsky CL, Leong LE, Choo JM, Abell GC, Papagrigoriadis S, Bruce KD, et al. Clinical and symptom scores are significantly correlated with fecal microbiota features in patients with symptomatic uncomplicated diverticular disease: a pilot study. Eur J Gastroenterol Hepatol. 2018; 30:107–12.
31. Tursi A, Papa A, Danese S. Review article: the pathophysiology and medical management of diverticulosis and diverticular disease of the colon. Aliment Pharmacol Ther. 2015; 42:664–84.
32. Bianchi M, Festa V, Moretti A, Ciaco A, Mangone M, Tornatore V, et al. Meta-analysis: long-term therapy with rifaximin in the management of uncomplicated diverticular disease. Aliment Pharmacol Ther. 2011; 33:902–10.
33. Mann NS, Hoda KK. Segmental colitis associated with diverticulosis: systematic evaluation of 486 cases with meta-analysis. Hepatogastroenterology. 2012; 59:2119–21.
34. Tursi A, Elisei W, Brandimarte G, Giorgetti GM, Lecca PG, Di Cesare L, et al. The endoscopic spectrum of segmental colitis associated with diverticulosis. Colorectal Dis. 2010; 12:464–70.
35. Schembri J, Bonello J, Christodoulou DK, Katsanos KH, Ellul P. Segmental colitis associated with diverticulosis: is it the coexistence of colonic diverticulosis and inflammatory bowel disease? Ann Gastroenterol. 2017; 30:257–61.
36. Rampton DS. Diverticular colitis: diagnosis and management. Colorectal Dis. 2001; 3:149–53.
37. Morris CR, Harvey IM, Stebbings WS, Speakman CT, Kennedy HJ, Hart AR. Epidemiology of perforated colonic diverticular disease. Postgrad Med J. 2002; 78:654–8.
38. Lanas A, Sopeña F. Nonsteroidal anti-inflammatory drugs and lower gastrointestinal complications. Gastroenterol Clin North Am. 2009; 38:333–52.
39. Foutch PG. Diverticular bleeding: are nonsteroidal anti-inflammatory drugs risk factors for hemorrhage and can colonoscopy predict outcome for patients? Am J Gastroenterol. 1995; 90:1779–84.
40. Strate LL, Liu YL, Huang ES, Giovannucci EL, Chan AT. Use of aspirin or nonsteroidal anti-inflammatory drugs increases risk for diverticulitis and diverticular bleeding. Gastroenterology. 2011; 140:1427–33.
41. Kvasnovsky CL, Papagrigoriadis S, Bjarnason I. Increased diverticular complications with nonsteriodal anti-inflammatory drugs and other medications: a systematic review and meta-analysis. Colorectal Dis. 2014; 16:O189–96.
42. Nagata N, Ishii N, Manabe N, Tomizawa K, Urita Y, Funabiki T, et al. Guidelines for colonic diverticular bleeding and colonic diverticulitis: Japan Gastroenterological Association. Digestion. 2019; 99(Suppl 1):1–26.
43. Crowe FL, Appleby PN, Allen NE, Key TJ. Diet and risk of diverticular disease in Oxford cohort of European Prospective Investigation into Cancer and Nutrition (EPIC): prospective study of British vegetarians and non-vegetarians. BMJ. 2011; 343:d4131.
44. Crowe FL, Balkwill A, Cairns BJ, Appleby PN, Green J, Reeves GK, et al. Source of dietary fibre and diverticular disease incidence: a prospective study of UK women. Gut. 2014; 63:1450–6.
45. Sánchez-Velázquez P, Grande L, Pera M. Outpatient treatment of uncomplicated diverticulitis: a systematic review. Eur J Gastroenterol Hepatol. 2016; 28:622–7.
46. Balasubramanian I, Fleming C, Mohan HM, Schmidt K, Haglind E, Winter DC. Out-patient management of mild or uncomplicated diverticulitis: a systematic review. Dig Surg. 2017; 34:151–60.
47. van Dijk ST, Bos K, de Boer MG, Draaisma WA, van Enst WA, Felt RJ, et al. A systematic review and meta-analysis of outpatient treatment for acute diverticulitis. Int J Colorectal Dis. 2018; 33:505–12.
48. Cirocchi R, Randolph JJ, Binda GA, Gioia S, Henry BM, Tomaszewski KA, et al. Is the outpatient management of acute diverticulitis safe and effective? A systematic review and meta-analysis. Tech Coloproctol. 2019; 23:87–100.
49. Schug-Pass C, Geers P, Hügel O, Lippert H, Köckerling F. Prospective randomized trial comparing short-term antibiotic therapy versus standard therapy for acute uncomplicated sigmoid diverticulitis. Int J Colorectal Dis. 2010; 25:751–9.
50. Jacobs DO. Clinical practice. Diverticulitis. N Engl J Med. 2007; 357:2057–66.
51. Young-Fadok TM. Diverticulitis. N Engl J Med. 2018; 379:1635–42.
53. Dichman ML, Rosenstock SJ, Shabanzadeh DM. Antibiotics for uncomplicated diverticulitis. Cochrane Database Syst Rev. 2022; 6:CD009092.
54. Weizman AV, Nguyen GC. Diverticular disease: epidemiology and management. Can J Gastroenterol. 2011; 25:385–9.
55. Chabok A, Påhlman L, Hjern F, Haapaniemi S, Smedh K; AVOD Study Group. Randomized clinical trial of antibiotics in acute uncomplicated diverticulitis. Br J Surg. 2012; 99:532–9.
56. Hjern F, Josephson T, Altman D, Holmström B, Mellgren A, Pollack J, et al. Conservative treatment of acute colonic diverticulitis: are antibiotics always mandatory? Scand J Gastroenterol. 2007; 42:41–7.
57. Mohamedahmed AY, Zaman S, Das N, Kakaniaris G, Vakis S, Eccersley J, et al. Systematic review and meta-analysis of the management of acute uncomplicated diverticulitis: time to change traditional practice. Int J Colorectal Dis. 2024; 39:47.
58. Joliat GR, Emery J, Demartines N, Hübner M, Yersin B, Hahnloser D. Antibiotic treatment for uncomplicated and mild complicated diverticulitis: outpatient treatment for everyone. Int J Colorectal Dis. 2017; 32:1313–9.
59. Sirany AE, Gaertner WB, Madoff RD, Kwaan MR. Diverticulitis diagnosed in the emergency room: is it safe to discharge home? J Am Coll Surg. 2017; 225:21–5.
60. Hall J, Hardiman K, Lee S, Lightner A, Stocchi L, Paquette IM, 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; 63:728–47.
61. Qaseem A, Etxeandia-Ikobaltzeta I, Lin JS, Fitterman N, Shamliyan T, Wilt TJ, et al. Diagnosis and management of acute left-sided colonic diverticulitis: a clinical guideline from the American College of Physicians. Ann Intern Med. 2022; 175:399–415.
62. Sartelli M, Catena F, Ansaloni L, Coccolini F, Griffiths EA, Abu-Zidan FM, et al. WSES Guidelines for the management of acute left sided colonic diverticulitis in the emergency setting. World J Emerg Surg. 2016; 11:37.
63. Birnbaum BA, Balthazar EJ. CT of appendicitis and diverticulitis. Radiol Clin North Am. 1994; 32:885–98.
64. Hawkins AT, Wise PE, Chan T, Lee JT, Glyn T, Wood V, et al. Diverticulitis: an update from the age old paradigm. Curr Probl Surg. 2020; 57:100862.
65. Shen SH, Chen JD, Tiu CM, Chou YH, Chiang JH, Chang CY, et al. Differentiating colonic diverticulitis from colon cancer: the value of computed tomography in the emergency setting. J Chin Med Assoc. 2005; 68:411–8.
66. Hale WB; National Diverticulitis Study Group. Colonoscopy in the diagnosis and management of diverticular disease. J Clin Gastroenterol. 2008; 42:1142–4.
67. Daniels L, Unlü C, de Wijkerslooth TR, Dekker E, Boermeester MA. Routine colonoscopy after left-sided acute uncomplicated diverticulitis: a systematic review. Gastrointest Endosc. 2014; 79:378–89.
68. Almy TP, Howell DA. Medical progress. Diverticular disease of the colon. N Engl J Med. 1980; 302:324–31.
69. Kouanda AM, Somsouk M, Sewell JL, Day LW. Urgent colonoscopy in patients with lower GI bleeding: a systematic review and meta-analysis. Gastrointest Endosc. 2017; 86:107–17.
70. Laine L, Shah A. Randomized trial of urgent vs. elective colonoscopy in patients hospitalized with lower GI bleeding. Am J Gastroenterol. 2010; 105:2636–41.
71. Green BT, Rockey DC, Portwood G, Tarnasky PR, Guarisco S, Branch MS, et al. Urgent colonoscopy for evaluation and management of acute lower gastrointestinal hemorrhage: a randomized controlled trial. Am J Gastroenterol. 2005; 100:2395–402.
72. Ochi M, Kamoshida T, Hamano Y, Ohkawara A, Ohkawara H, Kakinoki N, et al. Early colonoscopy and urgent contrast enhanced computed tomography for colonic diverticular bleeding reduces risk of rebleeding. World J Clin Cases. 2021; 9:2446–57.
73. Rafferty J, Shellito P, Hyman NH, Buie WD; Standards Committee of American Society of Colon and Rectal Surgeons. Practice parameters for sigmoid diverticulitis. Dis Colon Rectum. 2006; 49:939–44.
74. Jensen DM, Machicado GA. Diagnosis and treatment of severe hematochezia. The role of urgent colonoscopy after purge. Gastroenterology. 1988; 95:1569–74.
75. Niikura R, Nagata N, Yamada A, Akiyama J, Shimbo T, Uemura N. Recurrence of colonic diverticular bleeding and associated risk factors. Colorectal Dis. 2012; 14:302–5.
76. Okamoto T, Watabe H, Yamada A, Hirata Y, Yoshida H, Koike K. The association between arteriosclerosis related diseases and diverticular bleeding. Int J Colorectal Dis. 2012; 27:1161–6.
77. Nishikawa H, Maruo T, Tsumura T, Sekikawa A, Kanesaka T, Osaki Y. Risk factors associated with recurrent hemorrhage after the initial improvement of colonic diverticular bleeding. Acta Gastroenterol Belg. 2013; 76:20–4.
78. Ron-Tal Fisher O, Gralnek IM, Eisen GM, Williams JL, Holub JL. Endoscopic hemostasis is rarely used for hematochezia: a population-based study from the Clinical Outcomes Research Initiative National Endoscopic Database. Gastrointest Endosc. 2014; 79:317–25.
79. Hall J, Hammerich K, Roberts P. New paradigms in the management of diverticular disease. Curr Probl Surg. 2010; 47:680–735.
80. Wilkins T, Baird C, Pearson AN, Schade RR. Diverticular bleeding. Am Fam Physician. 2009; 80:977–83.
81. Chen CY, Wu CC, Jao SW, Pai L, Hsiao CW. Colonic diverticular bleeding with comorbid diseases may need elective colectomy. J Gastrointest Surg. 2009; 13:516–20.
82. Britt LG, Warren L, Moore OF. Selective management of lower gastrointestinal bleeding. Am Surg. 1983; 49:121–5.
83. Parkes BM, Obeid FN, Sorensen VJ, Horst HM, Fath JJ. The management of massive lower gastrointestinal bleeding. Am Surg. 1993; 59:676–8.
84. Tursi A, Scarpignato C, Strate LL, Lanas A, Kruis W, Lahat A, et al. Colonic diverticular disease. Nat Rev Dis Primers. 2020; 6:20.
85. Lahat A, Necula D, Yavzori M, Picard O, Halperin S, Eliakim R, et al. Prolonged recurrent abdominal pain is associated with ongoing underlying mucosal inflammation in patients who had an episode of acute complicated diverticulitis. J Clin Gastroenterol. 2019; 53:e178–85.
86. Tursi A, Elisei W, Giorgetti GM, Inchingolo CD, Nenna R, Picchio M, et al. Detection of endoscopic and histological inflammation after an attack of colonic diverticulitis is associated with higher diverticulitis recurrence. J Gastrointestin Liver Dis. 2013; 22:13–9.
87. Humes DJ, Simpson J, Smith J, Sutton P, Zaitoun A, Bush D, et al. Visceral hypersensitivity in symptomatic diverticular disease and the role of neuropeptides and low grade inflammation. Neurogastroenterol Motil. 2012; 24:318–e163.
88. Barbara G, Cremon C, Barbaro MR, Bellacosa L, Stanghellini V. Treatment of diverticular disease with aminosalicylates: the evidence. J Clin Gastroenterol. 2016; 50(Suppl 1):S60–3.
89. Scarpignato C, Bertelé A, Tursi A. Probiotics for the treatment of symptomatic uncomplicated diverticular disease: rationale and current evidence. J Clin Gastroenterol. 2016; 50(Suppl 1):S70–3.
90. Stallinger S, Eller N, Högenauer C. Non-interventional study evaluating efficacy and tolerability of rifaximin for treatment of uncomplicated diverticular disease. Wien Klin Wochenschr. 2014; 126:9–14.
91. de Korte N, Kuyvenhoven JP, van der Peet DL, Felt-Bersma RJ, Cuesta MA, Stockmann HB. Mild colonic diverticulitis can be treated without antibiotics. A case-control study. Colorectal Dis. 2012; 14:325–30.
92. Stollman NH, Raskin JB; Ad Hoc Practice Parameters Committee of the American College of Gastroenterology. Diagnosis and management of diverticular disease of the colon in adults. Am J Gastroenterol. 1999; 94:3110–21.
93. Dahl C, Crichton M, Jenkins J, Nucera R, Mahoney S, Marx W, et al. Evidence for dietary fibre modification in the recovery and prevention of reoccurrence of acute, uncomplicated diverticulitis: a systematic literature review. Nutrients. 2018; 10:137.
94. Moniuszko A, Rydzewska G. The effect of cyclic rifaximin therapy on symptoms of diverticular disease from the perspective of the gastroenterology outpatient clinic: a "real-life" study. Prz Gastroenterol. 2017; 12:145–51.
95. Khan RM, Ali B, Hajibandeh S, Hajibandeh S. Effect of mesalazine on recurrence of diverticulitis in patients with symptomatic uncomplicated diverticular disease: a meta-analysis with trial sequential analysis of randomized controlled trials. Colorectal Dis. 2018; 20:469–78.
96. Iannone A, Ruospo M, Wong G, Barone M, Principi M, Di Leo A, et al. Mesalazine for people with diverticular disease: a systematic review of randomized controlled trials. Can J Gastroenterol Hepatol. 2018; 2018:5437135.
97. Picchio M, Elisei W, Brandimarte G, Di Mario F, Malfertheiner P, Scarpignato C, et al. Mesalazine for the treatment of symptomatic uncomplicated diverticular disease of the colon and for primary prevention of diverticulitis: a systematic review of randomized clinical trials. J Clin Gastroenterol. 2016; 50(Suppl 1):S64–9.
98. Carter F, Alsayb M, Marshall JK, Yuan Y. Mesalamine (5-ASA) for the prevention of recurrent diverticulitis. Cochrane Database Syst Rev. 2017; 10:CD009839.
99. Banasiewicz T, Francuzik W, Bobkiewicz A, Krokowicz Ł, Borejsza-Wysocki M, Paszkowski J, et al. The influence of rifaximin on diverticulitis rate and quality of life in patients with diverticulosis. Pol Przegl Chir. 2017; 89:22–31.
100. Lahner E, Bellisario C, Hassan C, Zullo A, Esposito G, Annibale B. Probiotics in the treatment of diverticular disease. A systematic review. J Gastrointestin Liver Dis. 2016; 25:79–86.
101. Böhm SK, Kruis W. Lifestyle and other risk factors for diverticulitis. Minerva Gastroenterol Dietol. 2017; 63:110–8.