Acute appendicitis

References

Key articles

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 Apr 15;15(1):27.Full text  Abstract

American College of Radiology. ACR appropriateness criteria: right lower quadrant pain - suspected appendicitis. 2022 [internet publication].Full text

Sartelli M, Chichom-Mefire A, Labricciosa FM, et al. The management of intra-abdominal infections from a global perspective: 2017 WSES guidelines for management of intra-abdominal infections. World J Emerg Surg. 2017 Jul 10;12:29.Full text  Abstract

Reference articles

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44. Bachur RG, Callahan MJ, Monuteaux MC, et al. Integration of ultrasound findings and a clinical score in the diagnostic evaluation of pediatric appendicitis. J Pediatr. 2015 May;166(5):1134-9. Abstract

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48. American College of Emergency Physicians Clinical Policies Subcommittee (Writing Committee) on Appendicitis, Diercks DB, Adkins EJ, et al. Clinical policy: critical issues in the evaluation and management of emergency department patients with suspected appendicitis: approved by ACEP Board of Directors February 1, 2023. Ann Emerg Med. 2023 Jun;81(6):e115-52.Full text  Abstract

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51. Chiu YH, Chen JD, Wang SH, et al. Whether intravenous contrast is necessary for CT diagnosis of acute appendicitis in adult ED patients? Acad Radiol. 2013 Jan;20(1):73-8.Full text  Abstract

52. Hlibczuk V, Dattaro JA, Jin Z, et al. Diagnostic accuracy of noncontrast computed tomography for appendicitis in adults: a systematic review. Ann Emerg Med. 2010 Jan;55(1):51-9.e1. Abstract

53. 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 Nov;28(4):1127-41. Abstract

54. D'Souza N, Hicks G, Beable R, et al. Magnetic resonance imaging (MRI) for diagnosis of acute appendicitis. Cochrane Database Syst Rev. 2021 Dec 14;(12):CD012028.Full text  Abstract

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56. Eun S, Ho IG, Bae GE, et al. Neutrophil-to-lymphocyte ratio for the diagnosis of pediatric acute appendicitis: a systematic review and meta-analysis. Eur Rev Med Pharmacol Sci. 2021 Nov;25(22):7097-107.Full text  Abstract

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58. Zhan W, Deng W, Liu Y, et al. Hyponatremia as a predictor of complicated appendicitis in children: A systematic review and meta-analysis. Asian J Surg. 2022 Oct;45(10):2009-11.Full text  Abstract

59. Anand S, Pakkasjärvi N, Bajpai M, et al. Utility of Pentraxin-3 as a biomarker for diagnosis of acute appendicitis: a systematic review and meta-analysis. Pediatr Surg Int. 2022 Aug;38(8):1105-12.Full text  Abstract

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61. Tullavardhana T, Sanguanlosit S, Chartkitchareon A. Role of platelet indices as a biomarker for the diagnosis of acute appendicitis and as a predictor of complicated appendicitis: a meta-analysis. Ann Med Surg (Lond). 2021 Jun;66:102448.Full text  Abstract

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67. 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 Jan;219(1):154-63. Abstract

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74. Andersson M, Andersson RE. The appendicitis inflammatory response score: a tool for the diagnosis of acute appendicitis that outperforms the Alvarado score. World J Surg. 2008 Aug;32(8):1843-9. Abstract

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82. de Almeida Leite RM, Seo DJ, Gomez-Eslava B, et al. Nonoperative vs operative management of uncomplicated acute appendicitis: a systematic review and meta-analysis. JAMA Surg. 2022 Sep 1;157(9):828-34.Full text  Abstract

83. Salminen P, Tuominen R, Paajanen H, et al. Five-year follow-up of antibiotic therapy for uncomplicated acute appendicitis in the APPAC randomized clinical trial. JAMA. 2018 Sep 25;320(12):1259-65.Full text  Abstract

84. Sakran JV, Mylonas KS, Gryparis A, et al. Operation versus antibiotics: the "appendicitis conundrum" continues - a meta-analysis. J Trauma Acute Care Surg. 2017 Jun;82(6):1129-37. Abstract

85. Sartelli M, Chichom-Mefire A, Labricciosa FM, et al. The management of intra-abdominal infections from a global perspective: 2017 WSES guidelines for management of intra-abdominal infections. World J Emerg Surg. 2017 Jul 10;12:29.Full text  Abstract

86. Emile SH, Sakr A, Shalaby M, et al. Efficacy and safety of non-operative management of uncomplicated acute appendicitis compared to appendectomy: an umbrella review of systematic reviews and meta-analyses. World J Surg. 2022 May;46(5):1022-38.Full text  Abstract

87. Herrod PJJ, Kwok AT, Lobo DN. Randomized clinical trials comparing antibiotic therapy with appendicectomy for uncomplicated acute appendicitis: meta-analysis. BJS Open. 2022 Jul 7;6(4):zrac100.Full text  Abstract

88. Talan DA, Di Saverio S. Treatment of acute uncomplicated appendicitis. N Engl J Med. 2021 Sep 16;385(12):1116-23. Abstract

89. Meier J, Stevens A, Bhat A, et al. Outcomes of nonoperative vs operative management of acute appendicitis in older adults in the US. JAMA Surg. 2023 Jun 1;158(6):625-32.Full text  Abstract

90. Georgiou R, Eaton S, Stanton MP, et al. Efficacy and safety of nonoperative treatment for acute appendicitis: a meta-analysis. Pediatrics. 2017 Mar;139(3):e20163003.Full text  Abstract

91. Gorter RR, The SML, Gorter-Stam MAW, et al. Systematic review of nonoperative versus operative treatment of uncomplicated appendicitis. J Pediatr Surg. 2017 Aug;52(8):1219-27. Abstract

92. Podda M, Cillara N, Di Saverio S, et al. Antibiotics-first strategy for uncomplicated acute appendicitis in adults is associated with increased rates of peritonitis at surgery. A systematic review with meta-analysis of randomized controlled trials comparing appendectomy and non-operative management with antibiotics. Surgeon. 2017 Oct;15(5):303-14. Abstract

93. Kessler U, Mosbahi S, Walker B, et al. Conservative treatment versus surgery for uncomplicated appendicitis in children: a systematic review and meta-analysis. Arch Dis Child. 2017 Dec;102(12):1118-24. Abstract

94. Harnoss JC, Zelienka I, Probst P, et al. Antibiotics versus surgical therapy for uncomplicated appendicitis: systematic review and meta-analysis of controlled trials (PROSPERO 2015: CRD42015016882). Ann Surg. 2017 May;265(5):889-900. Abstract

95. Rollins KE, Varadhan KK, Neal KR, et al. Antibiotics versus appendicectomy for the treatment of uncomplicated acute appendicitis: an updated meta-analysis of randomised controlled trials. World J Surg. 2016 Oct;40(10):2305-18. Abstract

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102. Mason RJ. Surgery for appendicitis: is it necessary? Surg Infect (Larchmt). 2008 Aug;9(4):481-8. Abstract

103. Deakin DE, Ahmed I. Interval appendicectomy after resolution of adult inflammatory appendix mass - is it necessary? Surgeon. 2007 Feb;5(1):45-50. Abstract

104. Andersson RE, Petzold MG. Nonsurgical treatment of appendiceal abscess or phlegmon: a systematic review and meta-analysis. Ann Surg. 2007 Nov;246(5):741-8. Abstract

105. Rushing A, Bugaev N, Jones C, et al. Management of acute appendicitis in adults: a practice management guideline from the Eastern Association for the Surgery of Trauma. J Trauma Acute Care Surg. 2019 Jul;87(1):214-24.Full text  Abstract

106. 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 Jul;35(7):3855-60. Abstract

107. Mällinen J, Rautio T, Grönroos J, et al. Risk of appendiceal neoplasm in periappendicular abscess in patients treated with interval appendectomy vs follow-up with magnetic resonance imaging: 1-Year outcomes of the prei-appendicitis acuta randomized clinical trial. JAMA Surg. 2019 Mar 1;154(3):200-7.Full text  Abstract

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109. Peltrini R, Cantoni V, Green R, et al. Risk of appendiceal neoplasm after interval appendectomy for complicated appendicitis: a systematic review and meta-analysis. Surgeon. 2021 Dec;19(6):e549-58. Abstract

110. Skendelas JP, Alemany VS, Au V, et al. Appendiceal adenocarcinoma found by surgery for acute appendicitis is associated with older age. BMC Surg. 2021 May 2;21(1):228.Full text  Abstract

111. Ahmed A, Feroz SH, Dominic JL, et al. Is emergency appendicectomy better than elective appendicectomy for the treatment of appendiceal phlegmon?: a review. Cureus. 2020 Dec 12;12(12):e12045.Full text  Abstract

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124. Yu MC, Feng YJ, Wang W, et al. Is laparoscopic appendectomy feasible for complicated appendicitis ?A systematic review and meta-analysis. Int J Surg. 2017 Apr;40:187-97.Full text  Abstract

125. Liew AN, Lim KY, Quach D, et al. Laparoscopic versus open appendicectomy in pregnancy: experience from a single institution and meta-analysis. ANZ J Surg. 2022 May;92(5):1071-8. Abstract

126. Zeng Q, Aierken A, Gu SS, et al. Laparoscopic versus open appendectomy for appendicitis in pregnancy: systematic review and meta-analysis. Surg Laparosc Endosc Percutan Tech. 2021 May 3;31(5):637-44. Abstract

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