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Background The creation of an ileostomy or colostomy is a common surgical event, both in elective and in emergency context. The main aim of stoma creation is to prevent postoperative complications, such as the anastomotic leak. However, stoma-related complications can also occur and their morbidity is not negligible, with a rate from 20 to 70%. Most stomal complications are managed conservatively, but, when this approach is not resolutive, surgical treatment becomes necessary. The aim of this mapping review is to get a comprehensive overview on the incidence, the risk factors, and the management of the main early and late ostomy complications: stoma necrosis, mucocutaneous separation, stoma retraction, stoma prolapse, parastomal hernia, stoma stenosis, and stoma bleeding. Material and methods A complete literature research in principal databases (PUBMED, EMBASE, SCOPUS and COCHRANE) was performed by Multidisciplinary Italian Study group for STOmas (MISSTO) for each topic, with no language restriction and limited to the years 2011–2021. An international expert panel, from MISSTO and World Society of Emergency Surgery (WSES), subsequently reviewed the different issues, endorsed the project, and approved the final manuscript. Conclusion Stoma-related complications are common and require a step-up management, from conservative stoma care to surgical stoma revision. A study of literature evidence in clinical practice for stoma creation and an improved management of stoma-related complications could significantly increase the quality of life of patients with ostomy. Solid evidence from the literature about the correct management is lacking, and an international consensus is needed to draw up new guidelines on this subject.

Surgical site infection (SSI) is one of the most common infections associated with health care, but its importance as a global health priority is not fully understood. We quantified the burden of SSI after gastrointestinal surgery in countries in all parts of the world. This international, prospective, multicentre cohort study included consecutive patients undergoing elective or emergency gastrointestinal resection within 2-week time periods at any health-care facility in any country. Countries with participating centres were stratified into high-income, middle-income, and low-income groups according to the UN's Human Development Index (HDI). Data variables from the GlobalSurg 1 study and other studies that have been found to affect the likelihood of SSI were entered into risk adjustment models. The primary outcome measure was the 30-day SSI incidence (defined by US Centers for Disease Control and Prevention criteria for superficial and deep incisional SSI). Relationships with explanatory variables were examined using Bayesian multilevel logistic regression models. This trial is registered with ClinicalTrials.gov, number NCT02662231. Between Jan 4, 2016, and July 31, 2016, 13 265 records were submitted for analysis. 12 539 patients from 343 hospitals in 66 countries were included. 7339 (58·5%) patient were from high-HDI countries (193 hospitals in 30 countries), 3918 (31·2%) patients were from middle-HDI countries (82 hospitals in 18 countries), and 1282 (10·2%) patients were from low-HDI countries (68 hospitals in 18 countries). In total, 1538 (12·3%) patients had SSI within 30 days of surgery. The incidence of SSI varied between countries with high (691 [9·4%] of 7339 patients), middle (549 [14·0%] of 3918 patients), and low (298 [23·2%] of 1282) HDI (p<0·001). The highest SSI incidence in each HDI group was after dirty surgery (102 [17·8%] of 574 patients in high-HDI countries; 74 [31·4%] of 236 patients in middle-HDI countries; 72 [39·8%] of 181 patients in low-HDI countries). Following risk factor adjustment, patients in low-HDI countries were at greatest risk of SSI (adjusted odds ratio 1·60, 95% credible interval 1·05–2·37; p=0·030). 132 (21·6%) of 610 patients with an SSI and a microbiology culture result had an infection that was resistant to the prophylactic antibiotic used. Resistant infections were detected in 49 (16·6%) of 295 patients in high-HDI countries, in 37 (19·8%) of 187 patients in middle-HDI countries, and in 46 (35·9%) of 128 patients in low-HDI countries (p<0·001). Countries with a low HDI carry a disproportionately greater burden of SSI than countries with a middle or high HDI and might have higher rates of antibiotic resistance. In view of WHO recommendations on SSI prevention that highlight the absence of high-quality interventional research, urgent, pragmatic, randomised trials based in LMICs are needed to assess measures aiming to reduce this preventable complication. DFID-MRC-Wellcome Trust Joint Global Health Trial Development Grant, National Institute of Health Research Global Health Research Unit Grant.

BackgroundAppendicitis is the most common abdominal surgical emergency worldwide. Differences between high- and low-income settings in the availability of laparoscopic appendectomy, alternative management choices, and outcomes are poorly described. The aim was to identify variation in surgical management and outcomes of appendicitis within low-, middle-, and high-Human Development Index (HDI) countries worldwide.MethodsThis is a multicenter, international prospective cohort study. Consecutive sampling of patients undergoing emergency appendectomy over 6 months was conducted. Follow-up lasted 30 days.Results4546 patients from 52 countries underwent appendectomy (2499 high-, 1540 middle-, and 507 low-HDI groups). Surgical site infection (SSI) rates were higher in low-HDI (OR 2.57, 95% CI 1.33–4.99, p = 0.005) but not middle-HDI countries (OR 1.38, 95% CI 0.76–2.52, p = 0.291), compared with high-HDI countries after adjustment. A laparoscopic approach was common in high-HDI countries (1693/2499, 67.7%), but infrequent in low-HDI (41/507, 8.1%) and middle-HDI (132/1540, 8.6%) groups. After accounting for case-mix, laparoscopy was still associated with fewer overall complications (OR 0.55, 95% CI 0.42–0.71, p < 0.001) and SSIs (OR 0.22, 95% CI 0.14–0.33, p < 0.001). In propensity-score matched groups within low-/middle-HDI countries, laparoscopy was still associated with fewer overall complications (OR 0.23 95% CI 0.11–0.44) and SSI (OR 0.21 95% CI 0.09–0.45).ConclusionA laparoscopic approach is associated with better outcomes and availability appears to differ by country HDI. Despite the profound clinical, operational, and financial barriers to its widespread introduction, laparoscopy could significantly improve outcomes for patients in low-resource environments.Trial registration: NCT02179112.

Background In 2020, ACIE Appy study showed that COVID-19 pandemic heavily affected the management of patients with acute appendicitis (AA) worldwide, with an increased rate of non-operative management (NOM) strategies and a trend toward open surgery due to concern of virus transmission by laparoscopy and controversial recommendations on this issue. The aim of this study was to survey again the same group of surgeons to assess if any difference in management attitudes of AA had occurred in the later stages of the outbreak. Methods From August 15 to September 30, 2021, an online questionnaire was sent to all 709 participants of the ACIE Appy study. The questionnaire included questions on personal protective equipment (PPE), local policies and screening for SARS-CoV-2 infection, NOM, surgical approach and disease presentations in 2021. The results were compared with the results from the previous study. Results A total of 476 answers were collected (response rate 67.1%). Screening policies were significatively improved with most patients screened regardless of symptoms (89.5% vs. 37.4%) with PCR and antigenic test as the preferred test (74.1% vs. 26.3%). More patients tested positive before surgery and commercial systems were the preferred ones to filter smoke plumes during laparoscopy. Laparoscopic appendicectomy was the first option in the treatment of AA, with a declined use of NOM. Conclusion Management of AA has improved in the last waves of pandemic. Increased evidence regarding SARS-COV-2 infection along with a timely healthcare systems response has been translated into tailored attitudes and a better care for patients with AA worldwide.

Purpose Time to closure and morbidity are significant issues associated with ileostomy reversal after rectal cancer resection. This study aimed to investigate the rate, time, and morbidity associated with ileostomy closure procedure. Methods Between February and December 2022, patients who underwent protective ileostomy after rectal cancer surgery across 45 Italian surgical centres were prospectively included. Data on ileostomy closure times, surgical methods, and complications were collected and analyzed. Both univariate and multivariate statistical tests were employed to assess stoma closure rates and the occurrence of post-operative complications. Results A total of 287 patients participated in the study. Ileostomy closure was achieved in 241 patients, yielding overall and 6-month closure rates of 84% and 62%, respectively. The median time for ileostomy closure was 146 days. Direct sutures were used to close approximately 70% of skin defects, while purse-string sutures were applied in around 20%. The overall morbidity rate was 17%, with complications including skin suture dehiscence (7%), small bowel obstruction (6%), and anastomotic leakage (2%). Multivariate analysis revealed that an American Society of Anesthesiologists (ASA) score > 2 ( p  = 0.028), advanced age ( p  = 0.048), and previous stoma complications ( p  = 0.048) were independently linked to failure of stoma closure; hypertension ( p  = 0.036) was found to be a significant independent risk factor for post-operative complications. Conclusion This study demonstrated that a delay and a significant no-closure rate exist in ileostomy reversal after rectal cancer surgery. Post-operative complications remain high but can be prevented with adequate pre-operative assessment and post-operative care.

Colonic diverticulitis can be treated conservatively, but some cases require surgery. Patients can undergo Hartmann’s procedure (H) or resection with primary anastomosis (RA), with or without diverting stoma. This multicenter observational retrospective study aims to evaluate the adherence to current guidelines by assessing the rate of RA and H in Lombardy, Italy, and to analyze differences in patients’ features. This study included data collected from nine surgical units performing emergency surgery in Lombardy, in 2019 and 2021. Data for each year were retrospectively collected through a survey among Italian Society of Colorectal Surgery (SICCR) Lombardy members. Additional data were about: Hinchey’s classification, laparoscopic (VLS) or converted procedures, procedures with more than two operators, procedures in which the first operator was older than 40 years, night or weekend procedures, older-than-80 patients, COVID-19 positivity (just 2021). The total number of operations performed was 254, 115 RA and 130 H (45.3% and 51.2%, diff. 12%, p  = 0.73), and 9 (3.5%) other procedures. RAs were more frequent for Hinchey 1 and 2 patients, whereas Hs were more frequent for Hinchey 3 and 4. RAs without ileostomy were significantly less than Hs (66 vs. 130, p  = 0.04). Laparoscopy was more used for RA compared to H (57 vs. 21, p  = 0.03), whereas no difference was found between RA and H with respect to conversion rate, the presence of more than two operators in the team, the presence of a first operator older than 40 years, night or weekend operations, and for older-than-80 patients. This study confirms the adherence to current guidelines for the treatment of acute colonic diverticulitis in Lombardy, Italy. It can be considered as a preliminary survey with interesting results that may open the way to a further prospective observational study to clarify some aspects in the management of this disease.

Background End colostomy rates following colorectal resection vary across institutions in high‐income settings, being influenced by patient, disease, surgeon and system factors. This study aimed to assess global variation in end colostomy rates after left‐sided colorectal resection. Methods This study comprised an analysis of GlobalSurg‐1 and ‐2 international, prospective, observational cohort studies (2014, 2016), including consecutive adult patients undergoing elective or emergency left‐sided colorectal resection within discrete 2‐week windows. Countries were grouped into high‐, middle‐ and low‐income tertiles according to the United Nations Human Development Index (HDI). Factors associated with colostomy formation versus primary anastomosis were explored using a multilevel, multivariable logistic regression model. Results In total, 1635 patients from 242 hospitals in 57 countries undergoing left‐sided colorectal resection were included: 113 (6·9 per cent) from low‐HDI, 254 (15·5 per cent) from middle‐HDI and 1268 (77·6 per cent) from high‐HDI countries. There was a higher proportion of patients with perforated disease (57·5, 40·9 and 35·4 per cent; P < 0·001) and subsequent use of end colostomy (52·2, 24·8 and 18·9 per cent; P < 0·001) in low‐ compared with middle‐ and high‐HDI settings. The association with colostomy use in low‐HDI settings persisted (odds ratio (OR) 3·20, 95 per cent c.i. 1·35 to 7·57; P = 0·008) after risk adjustment for malignant disease (OR 2·34, 1·65 to 3·32; P < 0·001), emergency surgery (OR 4·08, 2·73 to 6·10; P < 0·001), time to operation at least 48 h (OR 1·99, 1·28 to 3·09; P = 0·002) and disease perforation (OR 4·00, 2·81 to 5·69; P < 0·001). Conclusion Global differences existed in the proportion of patients receiving end stomas after left‐sided colorectal resection based on income, which went beyond case mix alone. This secondary analysis of an international prospective multicentre observational study demonstrates significant variation in the proportion of patients receiving an end stoma after left‐sided colorectal resection between high‐ and low–middle‐income countries; this cannot be accounted for by case mix alone. This could relate to unmeasured patient risk characteristics, but may also reflect delayed access to surgical care, lack of equipment for anastomosis formation, or differences in subspecialist colorectal training. Wide variation in stoma rates