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      Outcomes and cost analysis of laparoscopic versus open appendectomy for treatment of acute appendicitis: 4-years experience in a district hospital

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          Abstract

          Background

          Laparoscopic appendectomy is not yet unanimously considered the “gold standard” in the treatment of acute appendicitis because of its higher operative time, intra-abdominal abscess risk, and costs compared to open appendectomy. This study aimed to compare outcomes and cost of laparoscopic and open appendectomy in a district hospital.

          Methods

          A retrospective analysis of 230 patients who underwent appendectomy at the Division of General Surgery of the Civil Hospital of Ragusa, Italy, from May 2008 to May 2012 was performed. The variables analyzed included patients data (age, gender, previous abdominal surgery, preoperative WBC count, duration of symptoms, ASA risk score), rate of uncomplicated or complicated appendicitis, operative time, postoperative complications, length of hospital stay, and total costs. The patients were divided in two groups according to the surgical approach and compared for each variable. The results were analyzed using the t Student test for quantitative variables, and the Chi-square test with Yates correction and Fisher exact test for categorical.

          Results

          Laparoscopic appendectomy was performed in 139 patients, open appendectomy in 91. Two cases (1.4%) were converted to open procedure and included in the laparoscopic group data. Patient data and rate of complicated appendicitis were similar in the two study groups. There was no statistical difference (p = 0.476) in the mean operative time between the laparoscopic (52.2 min; range, 20–155) and open appendectomy (49.3 min; range, 20–110) groups. The overall incidence of minor and major complications was significantly lower (p = 0.006) after laparoscopic appendectomy (2.9%, 4 cases) than after open appendectomy (13.2%, 12 cases); rate of intra-abdominal abscess were similar. The length of hospital stay was significantly shorter (p = 0.001) in laparoscopic group (2.75 days; range, 1–8) than in open group (3.87 days; range, 1–19). The mean total cost was 2282 Euro in laparoscopic group and 2337 Euro in open group, with a no significant difference of 55 Euro (p = 0.812).

          Conclusion

          Laparoscopic appendectomy is associated with fewer complications, shorter hospital stay, and similar operative time, intra-abdominal abscess rate, and total costs, compared with open appendectomy. Therefore, laparoscopic appendectomy can be recommended as preferred approach in acute appendicitis.

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          Endoscopic appendectomy.

          K. Semm (1983)
          These newly developed endoscopic methods in gynaecology for haemostasis during surgical pelviscopy (Endocoagulation Roeder-loop ligation, endoligature, endo-suture with intra- and extracorporeal knotting) make it possible to carry out appendectomy by endoscopy for any of the following indications: Postoperative adhesion of the appendix especially in "sterility" patients, elongated appendix extending into the small pelvis, endometriosis of the appendix, subacute and chronic appendicitis. The instrument-set employed in this method permits the performance of all the usual classical operative steps (purse-string suture, and Z-suture acc. to McBurney and Sprengel). The point for resection has to be sterilized over 20-30 sec. at 212 degrees F using the crocodile forceps (endocoagulation procedure) before division and extraction of the appendix is effected.
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            Laparoscopic versus conventional appendectomy - a meta-analysis of randomized controlled trials

            Xiaohang Li, Jialin Zhang, Lixuan Sang … (2010)
            Background Although laparoscopic surgery has been available for a long time and laparoscopic cholecystectomy has been performed universally, it is still not clear whether open appendectomy (OA) or laparoscopic appendectomy (LA) is the most appropriate surgical approach to acute appendicitis. The purpose of this work is to compare the therapeutic effects and safety of laparoscopic and conventional "open" appendectomy by means of a meta-analysis. Methods A meta-analysis was performed of all randomized controlled trials published in English that compared LA and OA in adults and children between 1990 and 2009. Calculations were made of the effect sizes of: operating time, postoperative length of hospital stay, postoperative pain, return to normal activity, resumption of diet, complications rates, and conversion to open surgery. The effect sizes were then pooled by a fixed or random-effects model. Results Forty-four randomized controlled trials with 5292 patients were included in the meta-analysis. Operating time was 12.35 min longer for LA (95% CI: 7.99 to 16.72, p < 0.00001). Hospital stay after LA was 0.60 days shorter (95% CI: -0.85 to -0.36, p < 0.00001). Patients returned to their normal activity 4.52 days earlier after LA (95% CI: -5.95 to -3.10, p < 0.00001), and resumed their diet 0.34 days earlier(95% CI: -0.46 to -0.21, p < 0.00001). Pain after LA on the first postoperative day was significantly less (p = 0.008). The overall conversion rate from LA to OA was 9.51%. With regard to the rate of complications, wound infection after LA was definitely reduced (OR = 0.45, 95% CI: 0.34 to 0.59, p < 0.00001), while postoperative ileus was not significantly reduced(OR = 0.91, 95% CI: 0.57 to 1.47, p = 0.71). However, intra-abdominal abscess (IAA), intraoperative bleeding and urinary tract infection (UIT) after LA, occurred slightly more frequently(OR = 1.56, 95% CI: 1.01 to 2.43, p = 0.05; OR = 1.56, 95% CI: 0.54 to 4.48, p = 0.41; OR = 1.76, 95% CI: 0.58 to 5.29, p = 0.32). Conclusion LA provides considerable benefits over OA, including a shorter length of hospital stay, less postoperative pain, earlier postoperative recovery, and a lower complication rate. Furthermore, over the study period it was obvious that there had been a trend toward fewer differences in operating time for the two procedures. Although LA was associated with a slight increase in the incidence of IAA, intraoperative bleeding and UIT, it is a safe procedure. It may be that the widespread use of LA is due to its better therapeutic effect.
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              Laparoscopic versus open appendectomy for acute appendicitis: a metaanalysis.

              Heng Zheng, BAO-GUANG HU, Cui-Ling Qi … (2011)
              Currently, laparoscopic appendectomy (LA) provides a safe and effective alternative to open appendectomy (OA), but its use remains controversial. This study aimed to evaluate the efficiency and safety of LA through a metaanalysis. Randomized controlled trials (RCTs) comparing LA and OA published between January 1992 and February 2010 were included in this study. Strict literature appraisal and data extraction were carried out independently by two reviewers. A metaanalysis then was performed to evaluate operative time, hospital cost, postoperative complications, length of analgesia, bowel function recovery, day liquid diet began, hospital stay, and return to work and normal activity. The metaanalysis comprised 25 RCTs involving 4,694 patients (2,220 LA and 2,474 OA cases). No significant differences were found between the LA and OA groups in terms of age, gender, body mass index (BMI), or type of appendiceal inflammation. Compared with OA, LA showed advantages of fewer postoperative complications (odds ratio [OR], 0.74; 95% confidence interval [CI], 0.55-0.98; p = 0.04), less pain (length of analgesia: weighted mean difference [WMD], -0.53; 95% CI, -0.91 to -0.15; p = 0.007), earlier start of liquid diet (WMD, -0.51; 95% CI, -0.75 to -0.28; p < 0.0001), shorter hospital stay (WMD, -0.68; 95% CI, -1.02 to -0.35; p < 0.0001), and earlier return to work (WMD, -3.09; 95% CI, -5.22 to -0.97; p = 0.004) and normal activity (WMD, -4.73; 95% CI, -6.54 to -2.92; p < 0.00001), but a comparable hospital cost (WMD of LA/OA ratio, 0.11; 95% CI, -0.18 to 0.40; p = 0.47) and a longer operative time (WMD, 10.71; 95% CI, 6.76-14.66; p < 0.00001). Despite the longer operative time, LA results in less postoperative pain, faster postoperative rehabilitation, a shorter hospital stay, and fewer postoperative complications than OA. Therefore, LA is worth recommending as an effective and safe procedure for acute appendicitis.
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                Author and article information

                Contributors
                Vincenzo Minutolo
                Alessio Licciardello
                Biagio Di Stefano
                Manuel Arena
                Goffredo Arena
                Vincenzo Antonacci
                Journal
                Journal ID (nlm-ta): BMC Surg
                Journal ID (iso-abbrev): BMC Surg
                Title: BMC Surgery
                Publisher: BioMed Central
                ISSN (Electronic): 1471-2482
                Publication date Collection: 2014
                Publication date (Electronic): 19 March 2014
                Volume: 14
                Page: 14
                Affiliations
                [1 ]Department of Surgical Sciences, Organ Transplantation and Advanced Technologies, University of Catania, via Santa Sofia 84, 95123 Catania, Italy
                [2 ]Department of Surgery, McGill University, 687 Pine Avenue, Montreal, QC H3A1A1, Canada
                [3 ]Division of General Surgery, Civil Hospital of Ragusa, Piazza Caduti di Nassiryia 1, 97100 Ragusa, Italy
                Article
                Publisher ID: 1471-2482-14-14
                DOI: 10.1186/1471-2482-14-14
                PMC ID: 3984427
                PubMed ID: 24646120
                SO-VID: ff8aeb7f-070a-48d4-a386-f8cc3cc3b089
                Copyright © Copyright © 2014 Minutolo et al.; licensee BioMed Central Ltd.
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

                History
                Date received : 16 December 2013
                Date accepted : 13 March 2014
                Categories
                Subject: Research Article

                ScienceOpen disciplines: Surgery
                Keywords: laparoscopic appendectomy,open appendectomy,costs,complications,intra-abdominal abscess,operative time,length of hospital stay
                Data availability:
                ScienceOpen disciplines: Surgery
                Keywords: laparoscopic appendectomy, open appendectomy, costs, complications, intra-abdominal abscess, operative time, length of hospital stay

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