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Cirocchi R, Cianci MC, Amato L, Properzi L, Buononato M, Di Rienzo VM, Tebala GD, Avenia S, Iandoli R, Santoro A, Vettoretto N, Coletta R, Morabito A. Laparoscopic appendectomy with single port vs conventional access: systematic review and meta-analysis of randomized clinical trials. Surg Endosc 2024; 38:1667-1684. [PMID: 38332174 PMCID: PMC10978699 DOI: 10.1007/s00464-023-10659-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 12/22/2023] [Indexed: 02/10/2024]
Abstract
BACKGROUND Conventional three-access laparoscopic appendectomy (CLA) is currently the gold standard treatment, however, Single-Port Laparoscopic Appendectomy (SILA) has been proposed as an alternative. The aim of this systematic review/meta-analysis was to evaluate safety and efficacy of SILA compared with conventional approach. METHODS Per PRISMA guidelines, we systematically reviewed randomised controlled trials (RCTs) comparing CLA vs SILA for acute appendicitis. The randomised Mantel-Haenszel method was used for the meta-analysis. Statistical data analysis was performed with the Review Manager software and the risk of bias was assessed with the Cochrane "Risk of Bias" assessment tool. RESULTS Twenty-one studies (RCTs) were selected (2646 patients). The operative time was significantly longer in the SILA group (MD = 7,32), confirmed in both paediatric (MD = 9,80), (Q = 1,47) and adult subgroups (MD = 5,92), (Q = 55,85). Overall postoperative morbidity was higher in patients who underwent SILA, but the result was not statistically significant. In SILA group were assessed shorter hospital stays, fewer wound infections and higher conversion rate, but the results were not statistically significant. Meta-analysis was not performed about cosmetics of skin scars and postoperative pain because different scales were used in each study. CONCLUSIONS This analysis show that SILA, although associated with fewer postoperative wound infection, has a significantly longer operative time. Furthermore, the risk of postoperative general complications is still present. Further studies will be required to analyse outcomes related to postoperative pain and the cosmetics of the surgical scar.
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Affiliation(s)
- Roberto Cirocchi
- Department of Medicine and Surgery, S. Maria Hospital, University of Perugia, Terni, Italy.
| | - Maria Chiara Cianci
- Department of Neonatal and Paediatric Surgery, Meyer Children's Hospital, IRCCS, University of Florence, Florence, Italy
| | - Lavinia Amato
- General and Emergency Surgery, S. Maria della Stella Hospital, Orvieto, Italy
| | - Luca Properzi
- Department of Medicine and Surgery, S. Maria Hospital, Perugia, Italy
| | - Massimo Buononato
- General and Emergency Surgery, S. Maria della Stella Hospital, Orvieto, Italy
| | | | | | - Stefano Avenia
- Department of Medicine and Surgery, S. Maria Hospital, University of Perugia, Terni, Italy
| | - Ruggero Iandoli
- General Surgery P.O. Frangipane Ariano Irpino Asl AV, Ariano Irpino, Italy
| | | | | | - Riccardo Coletta
- Department of Neonatal and Paediatric Surgery, Meyer Children's Hospital, IRCCS, University of Florence, Florence, Italy
| | - Antonino Morabito
- Department of Neonatal and Paediatric Surgery, Meyer Children's Hospital, IRCCS, University of Florence, Florence, Italy
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Freys JC, Bigalke SM, Mertes M, Lobo DN, Pogatzki-Zahn EM, Freys SM. Perioperative pain management for appendicectomy: A systematic review and Procedure-specific Postoperative Pain Management recommendations. Eur J Anaesthesiol 2024; 41:174-187. [PMID: 38214556 DOI: 10.1097/eja.0000000000001953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
BACKGROUND Despite being a commonly performed surgical procedure, pain management for appendicectomy is often neglected because of insufficient evidence on the most effective treatment options. OBJECTIVE To provide evidence-based recommendations by assessing the available literature for optimal pain management after appendicectomy. DESIGN AND DATA SOURCES This systematic review-based guideline was conducted according to the PROSPECT methodology. Relevant randomised controlled trials, systematic reviews and meta-analyses in the English language from January 1999 to October 2022 were retrieved from MEDLINE, Embase and Cochrane Databases using PRISMA search protocols. ELIGIBILITY CRITERIA We included studies on adults and children. If articles reported combined data from different surgeries, they had to include specific information about appendicectomies. Studies needed to measure pain intensity using a visual analogue scale (VAS) or a numerical rating scale (NRS). Studies that did not report the precise appendicectomy technique were excluded. RESULTS Out of 1388 studies, 94 met the inclusion criteria. Based on evidence and consensus, the PROSPECT members agreed that basic analgesics [paracetamol and nonsteroidal anti-inflammatory drugs (NSAIDs)] should be administered perioperatively for open and laparoscopic appendicectomies. A laparoscopic approach is preferred because of lower pain scores. Additional recommendations for laparoscopic appendicectomies include a three-port laparoscopic approach and the instillation of intraperitoneal local anaesthetic. For open appendicectomy, a preoperative unilateral transverse abdominis plane (TAP) block is recommended. If not possible, preincisional infiltration with local anaesthetics is an alternative. Opioids should only be used as rescue analgesia. Limited evidence exists for TAP block in laparoscopic appendicectomy, analgesic adjuvants for TAP block, continuous wound infiltration after open appendicectomy and preoperative ketamine and dexamethasone. Recommendations apply to children and adults. CONCLUSION This review identified an optimal analgesic regimen for open and laparoscopic appendicectomy. Further randomised controlled trials should evaluate the use of regional analgesia and wound infiltrations with adequate baseline analgesia, especially during the recommended conventional three-port approach. REGISTRATION The protocol for this study was registered with the PROSPERO database (Registration No. CRD42023387994).
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Affiliation(s)
- Jacob C Freys
- From the Department of Surgery, Agaplesion Bethesda Krankenhaus Hamburg (JCF), Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Münster, Münster, Germany (EMP-Z, MM), Gastrointestinal Surgery, Nottingham Digestive Diseases Centre and National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham (DNL), MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, School of Life Sciences, University of Nottingham, Queen's Medical Centre, Nottingham, United Kingdom (DNL), Department of Anaesthesiology, Intensive and Pain Medicine, Ruhr-University Bochum, BG-University Hospital Bergmannsheil gGmbH, Bochum (SMB) and Department of Surgery, DIAKO Ev. Diakonie-Krankenhaus, Bremen, Germany (SMF)
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Han Y, Yuan H, Li S, Wang WF. Single-incision versus conventional three-port laparoscopic appendectomy for acute appendicitis: A meta-analysis of randomized controlled trials. Asian J Surg 2024; 47:864-873. [PMID: 38185558 DOI: 10.1016/j.asjsur.2023.12.179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 12/18/2023] [Accepted: 12/25/2023] [Indexed: 01/09/2024] Open
Abstract
While consensus on single-incision laparoscopic appendectomy (SILA) for acute appendicitis is lacking, our meta-analysis evaluated the safety and efficacy of SILA compared to conventional three-port laparoscopic appendectomy (CTLA). A computer-based search was conducted in the China National Knowledge Infrastructure (CNKI), VIP, Wanfang, China Biological Medicine (CBM), PubMed, Embase, and Cochrane Library databases to identify randomized controlled trials (RCTs) comparing SILA with CTLA groups. Meta-analysis was performed using RevMan 5.3 software. A total of 26 RCTs were included. The meta-analysis results indicated that, compared to the CTLA group, the SILA group had a longer operation time [MD = 7.97, 95 % CI (5.84, 10.10), P < 0.00001], and a higher rate of conversion to open surgery [RR = 2.60, 95 % CI (1.27, 5.31), P = 0.009], but had a shorter time to return to normal activities [MD = -0.76, 95 % CI (-1.15, -0.37), P = 0.0001]. Additionally, the SILA group had higher satisfaction scores [SMD = 1.21, 95 % CI (0.75, 1.68), P < 0.00001] and cosmetic scores [SMD = 0.68, 95 % CI (0.45, 0.90), P < 0.00001]. There was no significant difference between the two groups in terms of pain scores at 24 h postoperatively [MD = -0.21, 95 % CI (-0.56, 0.14), P = 0.25], the incidence of wound infection [RR = 1.13, 95 % CI (0.74, 1.73), P = 0.58], or the overall complication rate [RR = 0.86, 95 % CI (0.66, 1.12), P = 0.27]. SILA is a safe and effective surgical approach that allows patients to recover to normal activities earlier, particularly for patients with a strong demand for better cosmetic outcomes. However, the quality of some RCTs in this meta-analysis is low, and further verification is needed through future high-quality RCTs.
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Affiliation(s)
- Yin Han
- Department of Gastrointestinal Surgery, Chengdu Seventh People's Hospital (Affiliated Cancer Hospital of Chengdu Medical College), Chengdu, 610200, Sichuan, China.
| | - Hao Yuan
- Department of Gastrointestinal Surgery, Chengdu Seventh People's Hospital (Affiliated Cancer Hospital of Chengdu Medical College), Chengdu, 610200, Sichuan, China
| | - Shuang Li
- Department of Gastrointestinal Surgery, Chengdu Seventh People's Hospital (Affiliated Cancer Hospital of Chengdu Medical College), Chengdu, 610200, Sichuan, China
| | - Wei-Fa Wang
- Department of Gastrointestinal Surgery, Chengdu Seventh People's Hospital (Affiliated Cancer Hospital of Chengdu Medical College), Chengdu, 610200, Sichuan, China
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4
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Wu J, Zhang J, Zhang Y. Does single-port versus conventional laparoscopic appendectomy reduce pain in children? A meta-analysis. Asian J Surg 2024; 47:749-751. [PMID: 37945398 DOI: 10.1016/j.asjsur.2023.10.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 10/06/2023] [Indexed: 11/12/2023] Open
Affiliation(s)
- Jing Wu
- Department of Neurology, The Second People 's Hospital of Guiyang, Guizhou, 550000, China
| | - Jianyong Zhang
- West China Hospital, Sichuan University, Chengdu, Sichuan, CN 610041, China
| | - Yuqing Zhang
- Department of Psychosomatic Diseases, The Second People 's Hospital of Guizhou, Guizhou, 550000, China.
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Single-incision compared with conventional laparoscopy for appendectomy in acute appendicitis: a systematic review and meta-analysis. Int J Colorectal Dis 2022; 37:1925-1935. [PMID: 35934748 DOI: 10.1007/s00384-022-04231-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/29/2022] [Indexed: 02/04/2023]
Abstract
OBJECTIVE A meta-analysis of the relevant literature evaluated the feasibility, safety, and potential benefits of single-incision laparoscopic appendectomy (SILA) relative to those of conventional laparoscopic appendectomy (CLA). METHODS The major biomedical databases, including ClinicalTrials.gov, were searched up to January 2022 for relevant randomized controlled trials (RCTs). SILA and CLA were compared regarding patient body mass index, operative time, and perioperative complications. The Cochrane Handbook and RevMan 5.3 were used to judge trial quality and perform the meta-analysis, respectively. RESULTS The 17 included RCTs comprised 2068 patients, of whom 1039 and 1029 patients underwent SILA and CLA, respectively. The operative time for SILA was longer than that for CLA (MD = 8.35 min, 95% CI = 6.58 to 10.11, P < 0.00001), but the cosmetic results from SILA were superior (SMD = 0.81, 95% CI = 0.58 to 1.03, P < 0.00001). However, the incidence rates were similar in terms of patient body mass index; postoperative pain scores; and rates of abdominal abscess, conversion to open surgery, ileus, surgical site infection, and overall perioperative complications between the two groups. CONCLUSION SILA is a safe technique for acute appendicitis, and its cosmetic outcomes are superior to those of CLA.
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Fujii T, Tanaka A, Katami H, Shimono R. Intra-/Extracorporeal Single-Incision Versus Conventional Laparoscopic Appendectomy in Children: A Systematic Review and Meta-Analysis. J Laparoendosc Adv Surg Tech A 2022; 32:702-712. [PMID: 35443815 DOI: 10.1089/lap.2021.0738] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background: There are two approaches to single-incision laparoscopic appendectomy (SILA): intracorporeal (Intra) and extracorporeal (Extra). However, the differences in the efficacy between these procedures remain unclear. Thus, this systematic review and meta-analysis aimed to compare the safety and usefulness of these techniques with those of conventional laparoscopic appendectomy (CLA) in children. Methods: A systematic literature search was performed using the PubMed, CENTRAL, and Scopus databases. Studies comparing outcomes of "Intra-SILA and CLA" or "Extra-SILA and CLA" in children aged <18 years were included. Operative time, hospitalization duration, wound infection, intra-abdominal infection, conversion to open, additional ports, and narcotic doses were evaluated. Results: Overall, 20 studies (six randomized controlled trials [RCTs], one prospective non-RCT, and 13 retrospective cohort studies) (Intra-SILA: 322, CLA: 791 cases; Extra-SILA: 1318, CLA: 1313 cases) were included. Compared with CLA, Extra-SILA was associated with a shorter operative time (mean difference, -9.79 minutes; 95% confidence interval [CI], -18.34 to -1.24) and lower incidence of intra-abdominal infection (3.3% versus 4.6%, odds ratio [OR], 0.52; 95% CI, 0.33 to 0.82) and a higher rate of additional port (13.6% versus 0%, OR, 43.93; 95% CI, 14.79 to 130.50). Meanwhile, the outcomes of Intra-SILA were comparable with those of CLA. However, the participants in the Intra-SILA group received significantly lower doses of narcotics than those in the CLA group. Conclusion: Although the evidence was insufficient, both Intra- and Extra-SILA were comparable to CLA with respect to safety. Extra-SILA seems to have an advantage of a shorter operative time, but additional ports may be required.
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Affiliation(s)
- Takayuki Fujii
- Department of Pediatric Surgery, Faculty of Medicine, Kagawa University, Mikicho, Japan
| | - Aya Tanaka
- Department of Pediatric Surgery, Faculty of Medicine, Kagawa University, Mikicho, Japan
| | - Hiroto Katami
- Department of Pediatric Surgery, Faculty of Medicine, Kagawa University, Mikicho, Japan
| | - Ryuichi Shimono
- Department of Pediatric Surgery, Faculty of Medicine, Kagawa University, Mikicho, Japan
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Sacks MA, Goodman LF, Mendez YS, Khan FA, Radulescu A. Pain versus Gain: Multiport versus single-port thoracoscopic surgery for pediatric pneumothorax a case series. INTERNATIONAL JOURNAL OF SURGERY OPEN 2021. [DOI: 10.1016/j.ijso.2021.100428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Zaman S, Mohamedahmed AYY, Srinivasan A, Stonelake S, Sillah AK, Hajibandeh S, Hajibandeh S. Single-port laparoscopic appendicectomy versus conventional three-port approach for acute appendicitis: A systematic review, meta-analysis and trial sequential analysis of randomised controlled trials. Surgeon 2021; 19:365-379. [PMID: 33752983 DOI: 10.1016/j.surge.2021.01.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 01/12/2021] [Indexed: 12/14/2022]
Abstract
AIMS The aim of this systematic review and meta-analysis is to compare outcomes of single-port laparoscopic appendicectomy (SPLA) and conventional three-port laparoscopic appendicectomy (CLA) in the management of acute appendicitis. METHODS A comprehensive systematic review of randomised controlled trials (RCTs) with subsequent meta-analysis and trial sequential analysis of outcomes were conducted. Post-operative pain at 12-h, cosmesis, need for an additional port(s), operative time, port-site hernia, ileus, surgical site infection (SSI), intra-abdominal collection, length of hospital stay (LOS), readmission, and reoperation were the evaluated outcome parameters. RESULTS Sixteen RCTs with total number of 2017 patients who underwent SPLA (n = 1009) or CLA (n = 1008) were included. SPLA was associated with a significantly higher cosmetic score (MD 1.11, P= 0.03) but significantly longer operative time (MD 7.08, P = 0.00001) compared to CLA. However, the difference was not significant between SPLA and CLA in the post-operative pain score at 12-h (MD -0.13, P = 0.69), need for additional port(s) (RR0.03, P = 0.07), port-site hernia (RD: 0.00, P = 0.68), ileus (RR 0.74, P = 0.51), SSI (RR 1.38, P = 0.28), post-operative intra-abdominal collection (RR 0.00, P = 0.62), LOS (MD -2.41, P = 0.16), readmission to the hospital (RR 0.45, P = 0.22), and return to theatre (RR 0.00, P = 0.49). Trial sequential analysis demonstrated that the meta-analysis is conclusive for most of the outcomes, except LOS and intra-abdominal collection. CONCLUSION Although SPLA is associated with a slightly longer operative time, its efficacy and safety are comparable to CLA in management of uncomplicated appendicitis. Moreover, it offers improved post-operative cosmesis. The available evidence is conclusive, and further trials may not be required.
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Affiliation(s)
- Shafquat Zaman
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | - Ali Yasen Y Mohamedahmed
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK.
| | - Ananth Srinivasan
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | - Stephen Stonelake
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | - Abdul Karim Sillah
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | - Shahab Hajibandeh
- Department of General Surgery, Glan Clwyd Hospital, Rhyl, Denbighshire, UK
| | - Shahin Hajibandeh
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
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9
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Zaman S, Mohamedahmed AYY, Stonelake S, Srinivasan A, Sillah AK, Hajibandeh S, Hajibandeh S. Single-port laparoscopic appendicectomy versus conventional three-port approach for acute appendicitis in children: a systematic review and meta-analysis. Pediatr Surg Int 2021; 37:119-127. [PMID: 33201303 DOI: 10.1007/s00383-020-04776-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/22/2020] [Indexed: 02/07/2023]
Abstract
AIM To evaluate comparative outcomes of single-port laparoscopic appendicectomy (SPLA) and conventional three-port laparoscopic appendicectomy (CLA) in the management of acute appendicitis in children. METHODS A comprehensive systematic review of randomised controlled trials (RCTs) with subsequent meta-analysis of outcomes were conducted in line with Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement standards. Operative time, surgical site infection, intra-abdominal collection, incisional hernia, length of hospital stay (LOS), additional port/s and conversion to open were the evaluated outcome parameters. RESULTS Four RCTs reporting a total number of 520 patients who underwent SPLA (n = 260) or CLA (n = 260) were included. There was no difference between SPLA and CLA group in post-operative collection (risk difference (RD) - 0.00, P = 0.94), surgical site infection (RD 0.02, P = 0.25), incisional hernia (RD 0.00 P = 1), LOS (mean difference (MD) 0.73 P = 0.93), need for additional port/s (RD 0.04, P = 0.24) and conversion to open (RD 0.00, P = 1). However, there was a significantly longer operative time in the SPLA group (MD 9.80, P = 0.00001). The certainty of the evidence was judged to be moderate for all outcomes. CONCLUSIONS SPLA and CLA seem to have comparable efficacy and safety in children with acute appendicitis although the former may be associated with longer procedure time. Future high-quality RCTs with adequate sample sizes are required to provide stronger evidence in favour of an intervention.
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Affiliation(s)
- Shafquat Zaman
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | - Ali Yasen Y Mohamedahmed
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK.
| | - Stephen Stonelake
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | - Ananth Srinivasan
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | - Abdul Karim Sillah
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | - Shahab Hajibandeh
- Department of General Surgery, Glan Clwyd Hospital, Rhyl, Denbighshire, UK
| | - Shahin Hajibandeh
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
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10
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Di Saverio S, Podda M, De Simone B, Ceresoli M, Augustin G, Gori A, Boermeester M, Sartelli M, Coccolini F, Tarasconi A, De' Angelis N, Weber DG, Tolonen M, Birindelli A, Biffl W, Moore EE, Kelly M, Soreide K, Kashuk J, Ten Broek R, Gomes CA, Sugrue M, Davies RJ, Damaskos D, Leppäniemi A, Kirkpatrick A, Peitzman AB, Fraga GP, Maier RV, Coimbra R, Chiarugi M, Sganga G, Pisanu A, De' Angelis GL, Tan E, Van Goor H, Pata F, Di Carlo I, Chiara O, Litvin A, Campanile FC, Sakakushev B, Tomadze G, Demetrashvili Z, Latifi R, Abu-Zidan F, Romeo O, Segovia-Lohse H, Baiocchi G, Costa D, Rizoli S, Balogh ZJ, Bendinelli C, Scalea T, Ivatury R, Velmahos G, Andersson R, Kluger Y, Ansaloni L, Catena F. Diagnosis and treatment of acute appendicitis: 2020 update of the WSES Jerusalem guidelines. World J Emerg Surg 2020; 15:27. [PMID: 32295644 PMCID: PMC7386163 DOI: 10.1186/s13017-020-00306-3] [Citation(s) in RCA: 430] [Impact Index Per Article: 107.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 03/30/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND AND AIMS Acute appendicitis (AA) is among the most common causes of acute abdominal pain. Diagnosis of AA is still challenging and some controversies on its management are still present among different settings and practice patterns worldwide. In July 2015, the World Society of Emergency Surgery (WSES) organized in Jerusalem the first consensus conference on the diagnosis and treatment of AA in adult patients with the intention of producing evidence-based guidelines. An updated consensus conference took place in Nijemegen in June 2019 and the guidelines have now been updated in order to provide evidence-based statements and recommendations in keeping with varying clinical practice: use of clinical scores and imaging in diagnosing AA, indications and timing for surgery, use of non-operative management and antibiotics, laparoscopy and surgical techniques, intra-operative scoring, and peri-operative antibiotic therapy. METHODS This executive manuscript summarizes the WSES guidelines for the diagnosis and treatment of AA. Literature search has been updated up to 2019 and statements and recommendations have been developed according to the GRADE methodology. The statements were voted, eventually modified, and finally approved by the participants to the consensus conference and by the board of co-authors, using a Delphi methodology for voting whenever there was controversy on a statement or a recommendation. Several tables highlighting the research topics and questions, search syntaxes, and the statements and the WSES evidence-based recommendations are provided. Finally, two different practical clinical algorithms are provided in the form of a flow chart for both adults and pediatric (< 16 years old) patients. CONCLUSIONS The 2020 WSES guidelines on AA aim to provide updated evidence-based statements and recommendations on each of the following topics: (1) diagnosis, (2) non-operative management for uncomplicated AA, (3) timing of appendectomy and in-hospital delay, (4) surgical treatment, (5) intra-operative grading of AA, (6) ,management of perforated AA with phlegmon or abscess, and (7) peri-operative antibiotic therapy.
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Affiliation(s)
- Salomone Di Saverio
- Cambridge Colorectal Unit, Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, Hills Road, Cambridge, CB2 0QQ, UK.
- Department of General Surgery, University of Insubria, University Hospital of Varese, ASST Sette Laghi, Regione Lombardia, Varese, Italy.
| | - Mauro Podda
- Department of General and Emergency Surgery, Cagliari University Hospital, Cagliari, Italy
| | - Belinda De Simone
- Emergency and Trauma Surgery Department, Maggiore Hospital of Parma, Parma, Italy
| | - Marco Ceresoli
- Emergency and General Surgery Department, University of Milan-Bicocca, Milan, Italy
| | - Goran Augustin
- Department of Surgery, University Hospital Centre of Zagreb, Zagreb, Croatia
| | - Alice Gori
- Maggiore Hospital Regional Emergency Surgery and Trauma Center, Bologna Local Health District, Bologna, Italy
| | - Marja Boermeester
- Department of Surgery, University of Amsterdam, Amsterdam, The Netherlands
| | | | - Federico Coccolini
- General, Emergency and Trauma Surgery, Pisa University Hospital, Pisa, Italy
| | - Antonio Tarasconi
- Emergency and Trauma Surgery Department, Maggiore Hospital of Parma, Parma, Italy
| | - Nicola De' Angelis
- Department of Digestive, Hepato-Pancreato-Biliary Surgery and Liver Transplantation, Henri Mondor University Hospital, Paris, France
| | - Dieter G Weber
- Trauma and General Surgeon Royal Perth Hospital & The University of Western Australia, Perth, Australia
| | - Matti Tolonen
- Department of Abdominal Surgery, Abdominal Center, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Arianna Birindelli
- Department of General Surgery, Azienda Socio Sanitaria Territoriale, di Valle Camonica, Italy
| | - Walter Biffl
- Queen's Medical Center, University of Hawaii, Honolulu, HI, USA
| | - Ernest E Moore
- Denver Health System - Denver Health Medical Center, Denver, USA
| | - Michael Kelly
- Acute Surgical Unit, Canberra Hospital, ACT, Canberra, Australia
| | - Kjetil Soreide
- Department of Gastrointestinal Surgery, Stavanger University Hospital, Stavanger, Norway
| | - Jeffry Kashuk
- Department of Surgery, University of Jerusalem, Jerusalem, Israel
| | - Richard Ten Broek
- Department of Surgery, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Carlos Augusto Gomes
- Department of Surgery Hospital Universitario, Universidade General de Juiz de Fora, Juiz de Fora, Brazil
| | | | - Richard Justin Davies
- Cambridge Colorectal Unit, Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge Biomedical Campus, Hills Road, Cambridge, CB2 0QQ, UK
| | - Dimitrios Damaskos
- Department of Upper GI Surgery, Royal Infirmary of Edinburgh, Edinburgh, Scotland, UK
| | - Ari Leppäniemi
- Department of Abdominal Surgery, Abdominal Center, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Andrew Kirkpatrick
- General, Acute Care, Abdominal Wall Reconstruction, and Trauma Surgery, Foothills Medical Centre, Calgary, Alberta, Canada
| | - Andrew B Peitzman
- Department of Surgery, University of Pittsburgh School of Medicine, UPMC-Presbyterian, Pittsburgh, USA
| | - Gustavo P Fraga
- Faculdade de Ciências Médicas (FCM) - Unicamp, Campinas, SP, Brazil
| | - Ronald V Maier
- Department of Surgery, University of Washington, Harborview Medical Center, Seattle, WA, USA
| | - Raul Coimbra
- UCSD Health System - Hillcrest Campus Department of Surgery Chief Division of Trauma, Surgical Critical Care, Burns, and Acute Care Surgery, San Diego, CA, USA
| | - Massimo Chiarugi
- General, Emergency and Trauma Surgery, Pisa University Hospital, Pisa, Italy
| | - Gabriele Sganga
- Department of Emergency Surgery, "A. Gemelli Hospital", Catholic University of Rome, Rome, Italy
| | - Adolfo Pisanu
- Department of General and Emergency Surgery, Cagliari University Hospital, Cagliari, Italy
| | - Gian Luigi De' Angelis
- Gastroenterology and Endoscopy Unit, University Hospital of Parma, University of Parma, Parma, Italy
| | - Edward Tan
- Department of Surgery, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Harry Van Goor
- Department of Surgery, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Francesco Pata
- Department of Surgery, Nicola Giannettasio Hospital, Corigliano-Rossano, and La Sapienza University of Rome, Rome, Italy
| | - Isidoro Di Carlo
- Department of Surgical Sciences and Advanced Technologies "GF Ingrassia", Cannizzaro Hospital, University of Catania, Catania, Italy
| | | | - Andrey Litvin
- Department of Surgery, Immanuel Kant Baltic Federal University, Kaliningrad, Russia
| | - Fabio C Campanile
- Department of Surgery, San Giovanni Decollato Andosilla Hospital, Viterbo, Italy
| | - Boris Sakakushev
- General Surgery Department, Medical University, University Hospital St George, Plovdiv, Bulgaria
| | - Gia Tomadze
- Department of Surgery, Tbilisi State Medical University, TSMU, Tbilisi, Georgia
| | - Zaza Demetrashvili
- Department of Surgery, Tbilisi State Medical University, TSMU, Tbilisi, Georgia
| | - Rifat Latifi
- Section of Acute Care Surgery, Westchester Medical Center, Department of Surgery, New York Medical College, Valhalla, NY, USA
| | - Fakri Abu-Zidan
- Department of Surgery, College of Medicine and Health Sciences, UAE University, Al-Ain, United Arab Emirates
| | | | | | - Gianluca Baiocchi
- Surgical Clinic, Department of Experimental and Clinical Sciences, University of Brescia, Brescia, Italy
| | - David Costa
- Hospital universitario de Alicante, departamento de Cirugia General, Alicante, Spain
| | - Sandro Rizoli
- Department of Surgery, St. Michael Hospital, University of Toronto, Toronto, Canada
| | - Zsolt J Balogh
- Department of Traumatology, John Hunter Hospital and University of Newcastle, Newcastle, NSW, Australia
| | - Cino Bendinelli
- Department of Traumatology, John Hunter Hospital and University of Newcastle, Newcastle, NSW, Australia
| | | | - Rao Ivatury
- Professor Emeritus Virginia Commonwealth University, Richmond, VA, USA
| | - George Velmahos
- Harvard Medical School, Massachusetts General Hospital, Boston, USA
| | | | - Yoram Kluger
- Division of General Surgery, Rambam Health Care Campus, Haifa, Israel
| | - Luca Ansaloni
- Department of General Surgery and Trauma, Bufalini Hospital, Cesena, Italy
| | - Fausto Catena
- Emergency and Trauma Surgery Department, Maggiore Hospital of Parma, Parma, Italy
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