References

  1. 1.Bhangu A, Søreide K, Di Saverio S, et al. Acute appendicitis: modern understanding of pathogenesis, diagnosis, and management. Lancet. 2015;386(10000):1278-1287.
  2. 2.Moris D, Paulson EK, Pappas TN. Diagnosis and management of acute appendicitis in adults: a review. JAMA. 2021;326(22):2299-2311.
  3. 3.Ferris M, Quan S, Kaplan BS, et al. The global incidence of appendicitis: a systematic review of population-based studies. Ann Surg. 2017;266(2):237-241.
  4. 4.Perez KS, Allen SR. Complicated appendicitis and considerations for interval appendectomy. JAAPA. 2018;31(9):35-41.
  5. 5.Vanhatalo S, Munukka E, Kallonen T, et al. Appendiceal microbiome in uncomplicated and complicated acute appendicitis: a prospective cohort study. PLoS One. 2022;17(10):e0276007.
  6. 6.Buel KL, Wilcox J, Mingo PT. Acute abdominal pain in children: evaluation and management. Am Fam Physician. 2024;110(6):621-631.
  7. 7.Téoule P, de Laffolie J, Rolle U, et al. Acute appendicitis in childhood and adulthood. Dtsch Arztebl Int. 2020;117(45):764-774.
  8. 8.Bom WJ, Scheijmans JCG, Salminen P, et al. Diagnosis of uncomplicated and complicated appendicitis in adults. Scand J Surg. 2021;110(2):170-179.
  9. 9.Borruel Nacenta S, Ibáñez Sanz L, Sanz Lucas R, et al. Update on acute appendicitis: typical and untypical findings. Radiologia (Engl Ed). 2023;65(suppl 1):S81-S91.
  10. 10.Acharya A, Markar SR, Ni M, et al. Biomarkers of acute appendicitis: systematic review and cost-benefit trade-off analysis. Surg Endosc. 2017;31(3):1022-1031.
  11. 11.Fawkner-Corbett D, Hayward G, Alkhmees M, et al. Diagnostic accuracy of blood tests of inflammation in paediatric appendicitis: a systematic review and meta-analysis. BMJ Open. 2022;12(11):e056854.
  12. 12.Cui W, Liu H, Ni H, et al. Diagnostic accuracy of procalcitonin for overall and complicated acute appendicitis in children: a meta-analysis. Ital J Pediatr. 2019;45(1):78.
  13. 13.Hajibandeh S, Hajibandeh S, Hobbs N, et al. Neutrophil-to-lymphocyte ratio predicts acute appendicitis and distinguishes between complicated and uncomplicated appendicitis: a systematic review and meta-analysis. Am J Surg. 2020;219(1):154-163.
  14. 14.Di Saverio S, Podda M, De Simone B, et al. Diagnosis and treatment of acute appendicitis: 2020 update of the WSES Jerusalem guidelines. World J Emerg Surg. 2020;15(1):27.
  15. 15.Andersson M, Kolodziej B, Andersson RE. Validation of the Appendicitis Inflammatory Response (AIR) score. World J Surg. 2021;45(7):2081-2091.
  16. 16.Wu Z, Zhao L, Liu Y, et al. Fibrinogen as a marker of overall and complicated acute appendicitis: a systematic review and meta-analysis. J Surg Res. 2022;280:19-26.
  17. 17.Arruzza E, Milanese S, Li LSK, et al. Diagnostic accuracy of computed tomography and ultrasound for the diagnosis of acute appendicitis: a systematic review and meta-analysis. Radiography (Lond). 2022;28(4):1127-1141.
  18. 18.Bhatt M, Joseph L, Ducharme FM, et al. Prospective validation of the pediatric appendicitis score in a Canadian pediatric emergency department. Acad Emerg Med. 2009;16(7):591-596.
  19. 19.McKay R, Shepherd J. The use of the clinical scoring system by Alvarado in the decision to perform computed tomography for acute appendicitis in the ED. Am J Emerg Med. 2007;25(5):489-493.
  20. 20.Andersson M, Kolodziej B, Andersson RE; STRAPPSCORE Study Group. Randomized clinical trial of Appendicitis Inflammatory Response score–based management of patients with suspected appendicitis. Br J Surg. 2017;104(11):1451-1461.
  21. 21.Hwang ME. Sonography and computed tomography in diagnosing acute appendicitis. Radiol Technol. 2018;89(3):224-237.
  22. 22.D’Souza N, Hicks G, Beable R, et al. Magnetic resonance imaging (MRI) for diagnosis of acute appendicitis. Cochrane Database Syst Rev. 2021(12):CD012028.
  23. 23.Kumar SS, Collings AT, Lamm R, et al. SAGES guideline for the diagnosis and treatment of appendicitis. Surg Endosc. 2024;38(6):2974-2994.
  24. 24.Moore MM, Kulaylat AN, Hollenbeak CS, et al. Magnetic resonance imaging in pediatric appendicitis: a systematic review. Pediatr Radiol. 2016;46(6):928-939.
  25. 25.Iresjö BM, Blomström S, Engström C, et al. Acute appendicitis: a block-randomized study on active observation with or without antibiotic treatment. Surgery. 2024;175(4):929-935.
  26. 26.Patel SV, Zhang L, Mir ZM, et al. Delayed versus early laparoscopic appendectomy for adult patients with acute appendicitis: a randomized controlled trial. Ann Surg. 2024;279(1):88-93.
  27. 27.Brucchi F, Bracchetti G, Fugazzola P, et al. A meta-analysis and trial sequential analysis comparing nonoperative versus operative management for uncomplicated appendicitis: a focus on randomized controlled trials. World J Emerg Surg. 2024;19(1):2.
  28. 28.Doleman B, Fonnes S, Lund JN, et al. Appendectomy versus antibiotic treatment for acute appendicitis. Cochrane Database Syst Rev. 2024(4):CD015038.
  29. 29.Xu H, Yang S, Xing J, et al. Comparison of the efficacy and safety of antibiotic treatment and appendectomy for acute uncomplicated appendicitis: a systematic review and meta-analysis. BMC Surg. 2023;23(1):208.
  30. 30.Herrod PJJ, Kwok AT, Lobo DN. Randomized clinical trials comparing antibiotic therapy with appendicectomy for uncomplicated acute appendicitis: meta-analysis. BJS Open. 2022;6(4):zrac100.
  31. 31.Perez KS, Allen SR. Complicated appendicitis and considerations for interval appendectomy. JAAPA. 2018;31(9):35-41.
  32. 32.Hayes D, Reiter S, Hagen E, et al. Is interval appendectomy really needed? A closer look at neoplasm rates in adult patients undergoing interval appendectomy after complicated appendicitis. Surg Endosc. 2021;35(7):3855-3860.
  33. 33.Sawyer RG, Claridge JA, Nathens AB, et al.; STOP-IT Trial Investigators. Trial of short-course antimicrobial therapy for intraabdominal infection. N Engl J Med. 2015;372(21):1996-2005.
  34. 34.Saar S, Mihnovitš V, Lustenberger T, et al. Twenty-four hour versus extended antibiotic administration after surgery in complicated appendicitis: a randomized controlled trial. J Trauma Acute Care Surg. 2019;86(1):36-42.
  35. 35.Lipping E, Saar S, Reinsoo A, et al. Short postoperative intravenous versus oral antibacterial therapy in complicated acute appendicitis: a pilot noninferiority randomized trial. Ann Surg. 2024;279(2):191-195.
  1. 1.Gallaher JR, et al. Acute cholecystitis: a review. JAMA. 2022;327(10):965-975.
  2. 2.Patel H, et al. Gallstone disease: common questions and answers. Am Fam Physician. 2024;109(6):518-524.
  3. 3.Gong Y, et al. Risk factors for gallstones in Crohn’s disease: a systematic review and meta-analysis. Dig Dis Sci. 2024;69(11):4187-4202.
  4. 4.Dai Y, et al. Incidence and risk factors for cholelithiasis after bariatric surgery: a systematic review and meta-analysis. Lipids Health Dis. 2023;22(1):5.
  5. 5.He L, et al. Association of glucagon-like peptide-1 receptor agonist use with risk of gallbladder and biliary diseases: a systematic review and meta-analysis of randomized clinical trials. JAMA Intern Med. 2022;182(5):513-519.
  6. 6.Zdanowicz K, et al. The etiology of cholelithiasis in children and adolescents: a literature review. Int J Mol Sci. 2022;23(21):13376.
  7. 7.Liepert AE, et al. Management of gallstone disease. Surg Clin North Am. 2024;104(6):1159-1173.
  8. 8.Sun H, et al. Factors influencing gallstone formation: a review of the literature. Biomolecules. 2022;12(4):550.
  9. 9.Dan WY, et al. Gastrointestinal microbiome and cholelithiasis: current status and perspectives. World J Gastroenterol. 2023;29(10):1589-1601.
  10. 10.Hu H, et al. Gut microbiota promotes cholesterol gallstone formation by modulating bile acid composition and biliary cholesterol secretion. Nat Commun. 2022;13(1):252.
  11. 11.Park W, et al. A comparative investigation of the bile microbiome in patients with choledocholithiasis and cholecystolithiasis through metagenomic analysis. Int J Mol Sci. 2024;25(6):3297.
  12. 12.Littlefield A, et al. Cholelithiasis: presentation and management. J Midwifery Womens Health. 2019;64(3):289-297.
  13. 13.Cuzzolin L, et al. Ceftriaxone-associated biliary pseudolithiasis in children: do we know enough? Fundam Clin Pharmacol. 2021;35(1):40-52.
  14. 14.Finch BJ, et al. What you need to know about gallstone disease. Br J Hosp Med (Lond). 2022;83(12):1-8.
  15. 15.Abraham S, et al. Surgical and nonsurgical management of gallstones. Am Fam Physician. 2014;89(10):795-802.
  16. 16.Wilkins T, et al. Gallbladder dysfunction: cholecystitis, choledocholithiasis, cholangitis, and biliary dyskinesia. Prim Care. 2017;44(4):575-597.
  17. 17.Narula VK, et al.; SAGES Guidelines Committee. Clinical spotlight review for the management of choledocholithiasis. Surg Endosc. 2020;34(4):1482-1491.
  18. 18.Mohamed MFH, et al. Choledocholithiasis can present with marked transaminases elevation: systematic review and meta-analysis. Dig Dis Sci. 2023;68(8):3428-3435.
  19. 19.Russo GK, et al.; Expert Panel on Gastrointestinal Imaging. ACR Appropriateness Criteria® right upper quadrant pain: 2022 update. J Am Coll Radiol. 2023;20(5S):S211-S223.
  20. 20.Wu X, et al. The accuracy of point-of-care ultrasound in the detection of gallbladder disease: a meta-analysis. Acad Radiol. 2024;31(4):1336-1343.
  21. 21.Koichopolos J, et al. Surgeon attitudes toward point of care ultrasound for biliary disease: a nationwide Canadian survey. Can J Surg. 2020;63(1):E9-E12.
  22. 22.Wehrle CJ, et al. The accuracy of point-of-care ultrasound in the diagnosis of acute cholecystitis. Am Surg. 2022;88(2):267-272.
  23. 23.Richmond BK. Biliary dyskinesia–controversies, diagnosis, and management: a review. JAMA Surg. 2024;159(9):1079-1084.
  24. 24.Yokoe M, et al.; Tokyo Guidelines Revision Committee. New diagnostic criteria and severity assessment of acute cholecystitis in revised Tokyo Guidelines. J Hepatobiliary Pancreat Sci. 2012;19(5):578-585.
  25. 25.Afzalpurkar S, et al. Magnetic resonance cholangiopancreatography versus endoscopic ultrasound for diagnosis of choledocholithiasis: an updated systematic review and meta-analysis. Surg Endosc. 2023;37(4):2566-2573.
  26. 26.Buxbaum JL, et al.; ASGE Standards of Practice Committee. ASGE guideline on the role of endoscopy in the evaluation and management of choledocholithiasis. Gastrointest Endosc. 2019;89(6):1075-1105.e15.
  27. 27.McDermott J, et al. Management of gallstone pancreatitis: a review. JAMA Surg. 2024;159(7):818-825.
  28. 28.Lucocq J, et al. Index admission cholecystectomy for biliary colic precludes the risk of readmissions with biliary complications and should be standard treatment. World J Surg. 2023;47(3):658-665.
  29. 29.Comes DJ, et al. Restrictive strategy vs usual care for cholecystectomy in patients with abdominal pain and gallstones: 5-year follow-up of the SECURE randomized clinical trial. JAMA Surg. 2024;159(11):1235-1243.
  30. 30.Mattson A, et al. Laparoscopic cholecystectomy in children: a systematic review and meta-analysis. Surgeon. 2023;21(3):e133-e141.
  31. 31.Madden AM, et al. Modified dietary fat intake for treatment of gallstone disease in people of any age. Cochrane Database Syst Rev. 2024(2):CD012608.
  32. 32.Hall L, et al. Ursodeoxycholic acid in the management of symptomatic gallstone disease: systematic review and clinician survey. BJS Open. 2023;7(2):zrac152.
  33. 33.Pisano M, et al. 2020 World Society of Emergency Surgery updated guidelines for the diagnosis and treatment of acute calculus cholecystitis. World J Emerg Surg. 2020;15(1):61.
  34. 34.Roulin D, et al. Early versus delayed cholecystectomy for acute cholecystitis, are the 72 hours still the rule? A randomized trial. Ann Surg. 2016;264(5):717-722.
  35. 35.Sawyer RG, et al.; STOP-IT Trial Investigators. Trial of short-course antimicrobial therapy for intraabdominal infection. N Engl J Med. 2015;372(21):1996-2005.
  36. 36.Bass RB, et al. Novel advances in surgery for gallstone disease. Curr Gastroenterol Rep. 2022;24(7):89-98.
  37. 37.Ackerman J, et al. Beware of the interval cholecystectomy. J Trauma Acute Care Surg. 2017;83(1):55-60.
  38. 38.Obaitan I, et al. Comparative risks of post-ERCP adverse events in patients with asymptomatic and symptomatic choledocholithiasis: a systematic review and meta-analysis. Dig Dis Sci. 2024;69(5):1880-1888.
  39. 39.Mc Geehan G, et al. Prophylactic cholecystectomy offers best outcomes following ERCP clearance of common bile duct stones: a meta-analysis. Eur J Trauma Emerg Surg. 2023;49(5):2257-2267.
  40. 40.Morton A, et al. Laparoscopic common bile duct exploration by acute care surgeons saves time and money compared to ERCP. Am J Surg. 2022;224(1 pt A):116-119.
  41. 41.Schreuder AM, et al. Long-term impact of iatrogenic bile duct injury. Dig Surg. 2020;37(1):10-21.
  42. 42.European Association for the Study of the Liver (EASL). EASL clinical practice guidelines on the prevention, diagnosis and treatment of gallstones. J Hepatol. 2016;65(1):146-181.
  43. 43.Haal S, et al. Ursodeoxycholic acid for the prevention of symptomatic gallstone disease after bariatric surgery (UPGRADE): a multicentre, double-blind, randomised, placebo-controlled superiority trial. Lancet Gastroenterol Hepatol. 2021;6(12):993-1001.
  1. 1.Barbaro MR, Cremon C, Fuschi D, et al. Pathophysiology of diverticular disease: from diverticula formation to symptom generation. Int J Mol Sci. 2022;23(12):6698.
  2. 2.Peery AF, Shaukat A, Strate LL. AGA clinical practice update on medical management of colonic diverticulitis: expert review. Gastroenterology. 2021;160(3):906-911.e1.
  3. 3.Strate LL, Morris AM. Epidemiology, pathophysiology, and treatment of diverticulitis. Gastroenterology. 2019;156(5):1282-1298.e1.
  4. 4.Nagata N, Niikura R, Shimbo T, et al. Alcohol and smoking affect risk of uncomplicated colonic diverticulosis in Japan. PLoS One. 2013;8(12):e81137.
  5. 5.Hua X, McGoldrick J, Nakrour N, et al. Gut microbiome structure and function in asymptomatic diverticulosis. Genome Med. 2024;16(1):105.
  6. 6.Cameron R, Duncanson K, Hoedt EC, et al. Does the microbiome play a role in the pathogenesis of colonic diverticular disease? A systematic review. J Gastroenterol Hepatol. 2023;38(7):1028-1039.
  7. 7.Shaikh A, Khrais A, Le A, et al. Pre-existing opioid use worsens outcomes in patients with diverticulitis. Cureus. 2023;15(2):e34624.
  8. 8.Yan Y, Wu JS, Pan S. Age, alcohol, sex, and metabolic factors as risk factors for colonic diverticulosis. World J Clin Cases. 2022;10(1):136-142.
  9. 9.Matrana MR, Margolin DA. Epidemiology and pathophysiology of diverticular disease. Clin Colon Rectal Surg. 2009;22(3):141-146.
  10. 10.Strate LL, Liu YL, Syngal S, et al. Nut, corn, and popcorn consumption and the incidence of diverticular disease. JAMA. 2008;300(8):907-914.
  11. 11.Levy MJ, Osterkamp RL, Glauninger K, et al. Diverticulosis morphology is associated with risk of diverticulitis. Eur J Gastroenterol Hepatol. 2024;36(4):382-386.
  12. 12.Jensen DM. Endoscopic diagnosis and treatment of colonic diverticular bleeding. Gastrointest Endosc Clin N Am. 2024;34(2):345-361.
  13. 13.Sebastian SA, Co EL, Panthangi V, et al. Colonic diverticular bleeding: an update on pathogenesis and management. Dis Mon. 2023;69(11):101543.
  14. 14.Lahat A, Fidder HH, Ben-Horin S. Development and validation of a diverticular clinical score for symptomatic uncomplicated diverticular disease after acute diverticulitis in a prospective patient cohort. Therap Adv Gastroenterol. 2020;13:1756284820913210.
  15. 15.de Silva AP, Nuwanshika N, Dassanayake U, et al. Colonic diverticular disease revisited. Expert Rev Gastroenterol Hepatol. 2024;18(11):745-752.
  16. 16.Hammond NA, Nikolaidis P, Miller FH. Left lower-quadrant pain: guidelines from the American College of Radiology appropriateness criteria. Am Fam Physician. 2010;82(7):766-770.
  17. 17.Buel KL, Wilcox J, Mingo PT. Acute abdominal pain in children: evaluation and management. Am Fam Physician. 2024;110(6):621-631.
  18. 18.Andeweg CS, Knobben L, Hendriks JCM, et al. How to diagnose acute left-sided colonic diverticulitis: proposal for a clinical scoring system. Ann Surg. 2011;253(5):940-946.
  19. 19.Weinstein S, Kim DH, Fowler KJ, et al.; Expert Panel on Gastrointestinal Imaging. ACR Appropriateness Criteria® left lower quadrant pain: 2023 update. J Am Coll Radiol. 2023;20(11S):S471-S480.
  20. 20.Kaiser AM, Jiang JK, Lake JP, et al. The management of complicated diverticulitis and the role of computed tomography. Am J Gastroenterol. 2005;100(4):910-917.
  21. 21.Garfinkle R, Boutros M. Current management of diverticulitis. Adv Surg. 2024;58(1):87-106.
  22. 22.Balk EM, Adam GP, Cao W, et al. Management of colonic diverticulitis. Comparative effectiveness review, no. 233. https://www.ncbi.nlm.nih.gov/books/NBK563756/
  23. 23.Brown RF, Lopez K, Smith CB, et al. Diverticulitis: a review. https://jamanetwork.com/journals/jama/article-abstract/2836826
  24. 24.Mazuski JE, Tessier JM, May AK, et al. The Surgical Infection Society revised guidelines on the management of intra-abdominal infection. Surg Infect (Larchmt). 2017;18(1):1-76.
  25. 25.Stevens DL, Bisno AL, Chambers HF, et al. Practice guidelines for the diagnosis and management of skin and soft tissue infections: 2014 update by the Infectious Diseases Society of America. Clin Infect Dis. 2014;59(2):147-159.
  26. 26.Wan D, Krisko T. Diverticulosis, diverticulitis, and diverticular bleeding. Clin Geriatr Med. 2021;37(1):141-154.
  27. 27.Piccioni A, Franza L, Brigida M, et al. Gut microbiota and acute diverticulitis: role of probiotics in management of this delicate pathophysiological balance. J Pers Med. 2021;11(4):298.
  28. 28.Mahmood MW, Abraham-Nordling M, Håkansson N, et al. High intake of dietary fibre from fruit and vegetables reduces the risk of hospitalisation for diverticular disease. Eur J Nutr. 2019;58(6):2393-2400.
  29. 29.Qaseem A, Etxeandia-Ikobaltzeta I, Lin JS, et al.; Clinical Guidelines Committee of the American College of Physicians. Diagnosis and management of acute left-sided colonic diverticulitis: a clinical guideline from the American College of Physicians. Ann Intern Med. 2022;175(3):399-415.
  30. 30.Swanson SM, Strate LL. Acute colonic diverticulitis. Ann Intern Med. 2018;168(9):ITC65-ITC80.
  31. 31.Solomkin JS, Mazuski JE, Bradley JS, et al. Diagnosis and management of complicated intra-abdominal infection in adults and children: guidelines by the Surgical Infection Society and the Infectious Diseases Society of America. Clin Infect Dis. 2010;50(2):133-164.
  32. 32.Strate LL, Liu YL, Huang ES, et al. Use of aspirin or nonsteroidal anti-inflammatory drugs increases risk for diverticulitis and diverticular bleeding. Gastroenterology. 2011;140(5):1427-1433.
  33. 33.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(7):1944-1949.
  34. 34.Hall J, Hardiman K, Lee S, et al.; Prepared on behalf of the Clinical Practice Guidelines Committee of the American Society of Colon and Rectal Surgeons. The American Society of Colon and Rectal Surgeons clinical practice guidelines for the treatment of left-sided colonic diverticulitis. Dis Colon Rectum. 2020;63(6):728-747.
  35. 35.Coakley KM, Davis BR, Kasten KR. Complicated diverticular disease. Clin Colon Rectal Surg. 2021;34(2):96-103.
  36. 36.Acuna SA, Wood T, Chesney TR, et al. Operative strategies for perforated diverticulitis: a systematic review and meta-analysis. Dis Colon Rectum. 2018;61(12):1442-1453.
  37. 37.Klarenbeek BR, Samuels M, van der Wal MA, et al. Indications for elective sigmoid resection in diverticular disease. Ann Surg. 2010;251(4):670-674.
  38. 38.Strate LL, Gralnek IM. ACG clinical guideline: management of patients with acute lower gastrointestinal bleeding. Am J Gastroenterol. 2016;111(4):459-474.
  39. 39.Almaghrabi M, Gandhi M, Guizzetti L, et al. Comparison of risk scores for lower gastrointestinal bleeding: a systematic review and meta-analysis. JAMA Netw Open. 2022;5(5):e2214253.
  40. 40.Sengupta N, Feuerstein JD, Jairath V, et al. Management of patients with acute lower gastrointestinal bleeding: an updated ACG guideline. Am J Gastroenterol. 2023;118(2):208-231.
  41. 41.Calini G, Abd El Aziz MA, Paolini L, et al. Symptomatic uncomplicated diverticular disease (SUDD): practical guidance and challenges for clinical management. Clin Exp Gastroenterol. 2023;16:29-43.
  42. 42.MacDonald S, Gallagher A, McNicholl L, et al. Stoma reversal after emergency stoma formation—the importance of timing: a multi-centre retrospective cohort study. World J Emerg Surg. 2025;20(1):26.
  1. 1.Diamond M, Lee J, LeBedis CA. Small bowel obstruction and ischemia. Radiol Clin North Am. 2019;57(4):689-703.
  2. 2.Al Samaraee A, Bhattacharya V. Facing the unexpected: unusual causes of mechanical small bowel obstruction in adults. Clin J Gastroenterol. 2021;14(5):1287-1302.
  3. 3.Buel KL, Wilcox J, Mingo PT. Acute abdominal pain in children: evaluation and management. Am Fam Physician. 2024;110(6):621-631.
  4. 4.Bower KL, Lollar DI, Williams SL, et al. Small bowel obstruction. Surg Clin North Am. 2018;98(5):945-971.
  5. 5.Rami Reddy SR, Cappell MS. A systematic review of the clinical presentation, diagnosis, and treatment of small bowel obstruction. Curr Gastroenterol Rep. 2017;19(6):28.
  6. 6.Liu M, Cheng F, Liu X, et al. Diagnosis and surgical management strategy for pediatric small bowel obstruction: experience from a single medical center. Front Surg. 2023;10:1043470.
  7. 7.Long B, Robertson J, Koyfman A. Emergency medicine evaluation and management of small bowel obstruction: evidence-based recommendations. J Emerg Med. 2019;56(2):166-176.
  8. 8.Taylor MR, Lalani N. Adult small bowel obstruction. Acad Emerg Med. 2013;20(6):528-544.
  9. 9.Stakenborg N, Gomez-Pinilla PJ, Boeckxstaens GE. Postoperative ileus: pathophysiology, current therapeutic approaches. Handb Exp Pharmacol. 2017;239:39-57.
  10. 10.Ten Broek RPG, Krielen P, Di Saverio S, et al. Bologna guidelines for diagnosis and management of adhesive small bowel obstruction (ASBO):2017 update of the evidence-based guidelines from the World Society of Emergency Surgery ASBO working group. World J Emerg Surg. 2018;13:24.
  11. 11.Lautz TB, Barsness KA. Adhesive small bowel obstruction—acute management and treatment in children. Semin Pediatr Surg. 2014;23(6):349-352.
  12. 12.Nguyen ATM, Holland AJA. Paediatric adhesive bowel obstruction: a systematic review. Pediatr Surg Int. 2021;37(6):755-763.
  13. 13.Chang KJ, Marin D, Kim DH, et al.; Expert Panel on Gastrointestinal Imaging. ACR Appropriateness Criteria® suspected small-bowel obstruction. J Am Coll Radiol. 2020;17(5S):S305-S314.
  14. 14.Li Z, Zhang L, Liu X, et al. Diagnostic utility of CT for small bowel obstruction: systematic review and meta-analysis. PLoS One. 2019;14(12):e0226740.
  15. 15.Rubalcava NS, Speck KE. Current management of adhesive small bowel obstructions in children. Adv Pediatr. 2022;69(1):243-257.
  16. 16.Thompson WM, Kilani RK, Smith BB, et al. Accuracy of abdominal radiography in acute small-bowel obstruction: does reviewer experience matter? AJR Am J Roentgenol. 2007;188(3):W233-W238.
  17. 17.Long B, Gottlieb M. Accuracy of ultrasonography for the diagnosis of small bowel obstruction. Am Fam Physician. 2021;104(2):135-136.
  18. 18.Shokoohi H, Mayes KD, Peksa GD, et al. Multi-center analysis of point-of-care ultrasound for small bowel obstruction: a systematic review and individual patient-level meta-analysis. Am J Emerg Med. 2023;70:144-150.
  19. 19.Hwabejire JO, Tran DD, Fullum TM. Non-operative management of adhesive small bowel obstruction: should there be a time limit after which surgery is performed? Am J Surg. 2018;215(6):1068-1070.
  20. 20.Podda M, Khan M, Di Saverio S. Adhesive small bowel obstruction and the six W’s: who, how, why, when, what, and where to diagnose and operate? Scand J Surg. 2021;110(2):159-169.
  21. 21.Ceresoli M, Coccolini F, Catena F, et al. Water-soluble contrast agent in adhesive small bowel obstruction: a systematic review and meta-analysis of diagnostic and therapeutic value. Am J Surg. 2016;211(6):1114-1125.
  22. 22.Hyak J, Campagna G, Johnson B, et al. Management of pediatric adhesive small bowel obstruction: do timing of surgery and age matter? J Surg Res. 2019;243:384-390.
  23. 23.Tanigaki S, Batra A, Chan TF, et al. Adhesion barriers in gynecologic surgeries and cesarean section: an Asia-Pacific expert panel consensus recommendation. Int J Gynaecol Obstet. 2025;168(2):436-448.
  24. 24.Ghimire P, Maharjan S. Adhesive small bowel obstruction: a review. JNMA J Nepal Med Assoc. 2023;61(260):390-396.
  25. 25.Venara A, Neunlist M, Slim K, et al. Postoperative ileus: pathophysiology, incidence, and prevention. J Visc Surg. 2016;153(6):439-446.
  26. 26.Wattchow D, Heitmann P, Smolilo D, et al. Postoperative ileus: an ongoing conundrum. Neurogastroenterol Motil. 2021;33(5):e14046.
  27. 27.Van Maanen J, Turaihi H, Denevan P, et al. Overview and management of small bowel obstruction versus ileus: a primer for all physicians. S D Med. 2019;72(5):226-231.
  28. 28.Zlakishvili B, Sela HY, Tankel J, et al. Post-cesarean ileus: an assessment of incidence, risk factors and outcomes. Eur J Obstet Gynecol Reprod Biol. 2022;269:55-61.
  29. 29.Vather R, Bissett I. Management of prolonged post-operative ileus: evidence-based recommendations. ANZ J Surg. 2013;83(5):319-324.
  30. 30.Froehlich KA, Deleon ZG, Tubog TD. Effects of gabapentin on postoperative pain and opioid consumption following laparoscopic cholecystectomy: a systematic review and meta-analysis. J Perianesth Nurs. 2024;39(1):132-141.
  31. 31.Behm B, Stollman N. Postoperative ileus: etiologies and interventions. Clin Gastroenterol Hepatol. 2003;1(2):71-80.
  32. 32.Scott MJ, Baldini G, Fearon KCH, et al. Enhanced Recovery After Surgery (ERAS) for gastrointestinal surgery, part 1: pathophysiological considerations. Acta Anaesthesiol Scand. 2015;59(10):1212-1231.
  33. 33.Smith TW, Wang X, Singer MA, et al. Enhanced recovery after surgery: a clinical review of implementation across multiple surgical subspecialties. Am J Surg. 2020;219(3):530-534.
  34. 34.Mazzotta E, Villalobos-Hernandez EC, Fiorda-Diaz J, et al. Postoperative ileus and postoperative gastrointestinal tract dysfunction: pathogenic mechanisms and novel treatment strategies beyond colorectal enhanced recovery after surgery protocols. Front Pharmacol. 2020;11:583422.
  35. 35.Scott MJ, Aggarwal G, Aitken RJ, et al. Consensus guidelines for perioperative care for emergency laparotomy Enhanced Recovery After Surgery (ERAS®) Society recommendations part 2—emergency laparotomy: intra- and postoperative care. World J Surg. 2023;47(8):1850-1880.
  36. 36.Gustafsson UO, Scott MJ, Hubner M, et al. Guidelines for perioperative care in elective colorectal surgery: Enhanced Recovery After Surgery (ERAS®) Society recommendations: 2018. World J Surg. 2019;43(3):659-695.

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