Appendicular abscess medical therapy
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Aditya Ganti M.B.B.S. [2]
Overview
No universal standard treatment exists for appendicitis complicated by abscess.
Treatment
The preferred treatment includes non-operative management such as drainage and broad spectrum IV antibiotics along with IV fluids followed by surgery which includes interval laparoscopic appendectomy. It has proved to have a high success rates up to 97% and low incidences of complications.[1][2][3][4]
Medical Therapy
Antibiotics should be started immediately once the diagnosis of abscess is made. Preoperative antibiotics have been associated with lower rates of wound and intra-abdominal infections.[5] [6]
Duration
The duration of treatment with intravenous antibiotics ranges from 5 to 10 days, until fever resolves, white blood cell count normalizes, and bowel function returns.[6]
Empiric therapy
Monotherapy with a beta-lactam/beta-lactamase inhibitor:
- Preferred regimen (1):Ampicillin-sulbactam 3 g IV q6h
- Preferred regimen (2):Ticarcillin-clavulanate 3 g IV q4h
- Preferred regimen (3):Piperacillin-tazobactam 3 g or 4.5 g IV q6h
Combination third generation cephalosporins PLUS metronidazole
- Preferred regimen (1): Ceftriaxone 1 g IV q24h AND Metronidazole 500 mg IV q8h OR 1500 mg q24h.
- Preferred regimen (2): Cefazolin 1–2 g IV q8h AND Metronidazole 500 mg IV q8–12 h OR 1500 mg q24h
- Preferred regimen (3): Cefuroxime 1.5 g IV q8h AND Metronidazole 500 mg IV q8–12 h OR 1500 mg q24h
- Preferred regimen (4): Cefotaxime 1–2 g IV q6–8 h AND Metronidazole 500 mg IV q8–12 h OR 1500 mg q24h
Alternative empiric regimens
Combination fluoroquinolone PLUS metronidazole:
- Preferred regimen (1): Ciprofloxacin 400 mg IV q12h AND Metronidazole 500 mg IV q8–12 h OR 1500 mg q24h
- Preferred regimen (2): Levofloxacin 750 mg IV q24h AND Metronidazole 500 mg IV q8–12 h OR 1500 mg q24h
Monotherapy with a carbapenem
- Preferred regimen (1): Imipenem-cilastatin 500 mg IV q6h OR 1 g q8h
- Preferred regimen (2): Meropenem 1 g IV q8h
- Preferred regimen (3): Doripenem 500 mg IV q8h
- Preferred regimen (4): Ertapenem 1 g IV q24h
References
- ↑ Samuel M, Hosie G, Holmes K (2002). "Prospective evaluation of nonsurgical versus surgical management of appendiceal mass". J. Pediatr. Surg. 37 (6): 882–6. PMID 12037755.
- ↑ Kaminski A, Liu IL, Applebaum H, Lee SL, Haigh PI (2005). "Routine interval appendectomy is not justified after initial nonoperative treatment of acute appendicitis". Arch Surg. 140 (9): 897–901. PMID 16175691.
- ↑ Ansaloni L, Catena F, Coccolini F, Ercolani G, Gazzotti F, Pasqualini E, Pinna AD (2011). "Surgery versus conservative antibiotic treatment in acute appendicitis: a systematic review and meta-analysis of randomized controlled trials". Dig Surg. 28 (3): 210–21. doi:10.1159/000324595. PMID 21540609.
- ↑ Meshikhes AW (2008). "Management of appendiceal mass: controversial issues revisited". J. Gastrointest. Surg. 12 (4): 767–75. doi:10.1007/s11605-007-0399-1. PMID 17999120.
- ↑ Solomkin JS, Mazuski JE, Bradley JS, Rodvold KA, Goldstein EJ, Baron EJ; et al. (2010). "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. 50 (2): 133–64. doi:10.1086/649554. PMID 20034345.
- ↑ 6.0 6.1 Sartelli, Massimo; Viale, Pierluigi; Catena, Fausto; Ansaloni, Luca; Moore, Ernest; Malangoni, Mark; Moore, Frederick A; Velmahos, George; Coimbra, Raul; Ivatury, Rao; Peitzman, Andrew; Koike, Kaoru; Leppaniemi, Ari; Biffl, Walter; Burlew, Clay Cothren; Balogh, Zsolt J; Boffard, Ken; Bendinelli, Cino; Gupta, Sanjay; Kluger, Yoram; Agresta, Ferdinando; Di Saverio, Salomone; Wani, Imtiaz; Escalona, Alex; Ordonez, Carlos; Fraga, Gustavo P; Junior, Gerson Alves Pereira; Bala, Miklosh; Cui, Yunfeng; Marwah, Sanjay; Sakakushev, Boris; Kong, Victor; Naidoo, Noel; Ahmed, Adamu; Abbas, Ashraf; Guercioni, Gianluca; Vettoretto, Nereo; Díaz-Nieto, Rafael; Gerych, Ihor; Tranà, Cristian; Faro, Mario Paulo; Yuan, Kuo-Ching; Kok, Kenneth Yuh Yen; Mefire, Alain Chichom; Lee, Jae Gil; Hong, Suk-Kyung; Ghnnam, Wagih; Siribumrungwong, Boonying; Sato, Norio; Murata, Kiyoshi; Irahara, Takayuki; Coccolini, Federico; Lohse, Helmut A Segovia; Verni, Alfredo; Shoko, Tomohisa (2013). "2013 WSES guidelines for management of intra-abdominal infections". World Journal of Emergency Surgery. 8 (1): 3. doi:10.1186/1749-7922-8-3. ISSN 1749-7922.