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BACKGROUND: This study aimed to determine the postoperative intestinal functioning, quality of life (QoL), and psychological well-being of patients treated either with organ-preserving surgery (OPS) or organ-resection surgery (ORS) for high-grade intraepithelial neoplasia (HIN) or T1 colorectal cancer (CRC). METHODS: This cross-sectional study was conducted at a single tertiary care center. In total, 175 eligible individuals with T1 CRC or HIN were divided into the OPS (n = 103) or ORS (n = 72) group based on whether the relevant segment of the intestine was preserved or resected. Intestinal function was evaluated using low anterior resection syndrome (LARS) scores. QoL was evaluated using the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire (EORTC-QLQ)-C30 and EORTC-QLQ-CR29. Psychological status was evaluated using the Fear of Progression Questionnaire-Short Form and the Self-rating Anxiety and Depression scales. Propensity score matching (PSM) was used to minimize the influence of potential confounders. RESULTS: Overall, 130 of 175 patients (74.29%) responded to the questionnaires; 56 and 74 were in the ORS and OPS groups, respectively. Thirty-five patient pairs were successfully matched through PSM. The mild and severe LARS rates were significantly higher in the ORS group than in the OPS group (P < 0.001). The EORTC-QLQ-C30 and EORTC-QLQ-CR29 scores revealed significantly better physical, role, and emotional functioning and an overall improved state of health (with multiple reduced symptom scores) in the OPS group than in the ORS group (P < 0.05). Significantly more patients were depressed in the ORS group than in the OPS group (P = 0.034), whereas anxiety or fear of disease progression did not differ significantly between the groups. CONCLUSIONS: OPS for the treatment of HIN or T1 CRC was found to be more advantageous for patients in terms of improved intestinal function, QoL, and psychological status than was ORS.

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Introducción: La duodenopancreatectomía cefálica o cirugía de Whipple ha sido el procedimiento quirúrgico electivo como tratamiento de las patologías neoplásicas de páncreas, duodeno y vías biliares. A pesar de los avances en técnicas quirúrgicas continúa siendo un gran desafío el manejo multidisciplinario. Materiales y Métodos: Estudio analítico, retrospectivo, de corte transversal, de pacientes postoperados de duodenopancreatectomía cefálica mayores de 18 años, ingresados a una unidad de Cuidados Intensivos, de enero de 2022 a julio de 2023. Variables evaluadas: características sociodemográficas (edad, sexo); comorbilidades asociadas; variables de interés en UCI (SOFA, APACHE, días de internación en UTI, días de internación hospitalaria, requerimiento de Intubación orotraqueal IOT, días de IOT, requerimiento de vasopresores), desenlace en UTI; variables de interés quirúrgicas: duración de la cirugía, complicaciones quirúrgicas. Resultados: Se incluyeron 24 pacientes. La media de edad: 66 años (mín:35; Máx: 85; RIC: 59-77); 14 (58%) sexo femenino. Comorbilidades más frecuentes: Hipertensión arterial 17 (71%), Diabetes Mellitus 26 (25%), Cardiopatía 3. SOFA al ingreso media de 4; (mín:1; Máx: 11; DS:3); APACHE al ingreso: media de 15; (mín:6; Máx: 24; DS: 4); media de internación en UTI fue de 6 días (mín:1; Máx: 68; DS: 14). Se constataron 5 (21%) óbitos. Factores asociados a la mortalidad el uso de vasopresores (p=0,013), insuficiencia renal aguda (p=0,009), infección del sitio quirúrgico (p=0,023), y una media de SOFA estimada en 9 (p=0,0012). Conclusión: Es fundamental el manejo multidisciplinario de pacientes sometidos a cirugía de Whipple a fin de optimizar los resultados, previniendo la aparición de complicaciones, y disminuyendo de esta forma la morbimortalidad de los mismos.

Introduction: Cephalic pancreaticoduodenectomy or Whipple surgery has been the elective surgical procedure as a treatment for neoplastic pathologies of the pancreas, duodenum and bile ducts. Despite advances in surgical techniques, multidisciplinary management continues to be a great challenge. Materials and Methods: Analytical, retrospective, cross-sectional study of postoperative cephalic duodenal-pancreatectomy patients over 18 years of age, admitted to an Intensive Care unit, from January 2022 to July 2023. Variables evaluated: sociodemographic characteristics (age, sex); associated comorbidities; variables of interest in the ICU (SOFA, APACHE, days of ICU admission, days of hospitalization, requirement for orotracheal intubation IOT, days of IOT, requirement for vasopressors), outcome in ICU; surgical variables of interest: duration of surgery, surgical complications. Results: 24 patients were included. Median age: 66 years (min: 35; Max: 85; IQR: 59-77); 14 (58%) female. Most frequent comorbidities: High blood pressure 17 (71%), Diabetes Mellitus 26 (25%), Heart disease 3. SOFA at admission average of 4; (min:1; Max: 11; DS:3); APACHE upon admission: average of 15; (min:6; Max: 24; DS: 4); Mean ICU stay was 6 days (min: 1; Max: 68; SD: 14). There were 5 (21%) deaths. Factors associated with mortality were the use of vasopressors (p=0.013), acute renal failure (p=0.009), surgical site infection (p=0.023), and a mean estimated SOFA of 9 (p=0.0012). Conclusion: Multidisciplinary management of patients undergoing Whipple surgery is essential in order to optimize results, preventing the appearance of complications, and thus reducing their morbidity and mortality.

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Pancreatic leaks occur when a disruption in the pancreatic ductal system results in the leakage of pancreatic enzymes such as amylase, lipase, and proteases into the abdominal cavity. While often associated with pancreatic surgical procedures, trauma and necrotizing pancreatitis are also common culprits. Cross-sectional imaging, particularly computed tomography, plays a crucial role in assessing postoperative conditions and identifying both early and late complications, including pancreatic leaks. The presence of fluid accumulation or hemorrhage near an anastomotic site strongly indicates a pancreatic fistula, particularly if the fluid is connected to the pancreatic duct or anastomotic suture line. Pancreatic fistulas are a type of pancreatic leak that carries a high morbidity rate. Early diagnosis and assessment of pancreatic leaks require vigilance and an understanding of its imaging hallmarks to facilitate prompt treatment and improve patient outcomes. Radiologists must maintain vigilance and understand the imaging patterns of pancreatic leaks to enhance diagnostic accuracy. Ongoing improvements in surgical techniques and diagnostic approaches are promising for minimizing the prevalence and adverse effects of pancreatic fistulas. In this pictorial review, our aim is to facilitate for radiologists the comprehension of pancreatic leaks and their essential imaging patterns.

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Wilkie's syndrome is an unusual cause of upper intestinal obstruction due to mechanical compression of the superior mesenteric artery (SMA) to the duodenum, with nonspecific symptoms, whose diagnosis is confirmed by angiotomography. Initially, the treatment is conservative to regain weight and restore mesenteric adipose tissue, associated with postural changes of the patient. If this fails, surgical treatment is indicated, being laparoscopic duodenojejunostomy described as the gold standard. Robotics' assistance is feasible and safe to carry out the procedure. We present the case of a 21-year-old male patient who comes with stabbing abdominal pain and persistent postprandial vomiting that has caused weight loss of 11 kilograms in the last 2 years without apparent cause, associated with gastroesophageal reflux. During the procedure, we evidenced open diaphragmatic pillars and duodenal compression due to SMA, and robotic-assisted laparoscopic hyatoplasty + Nissen fundoplication + duodenojejunostomy were performed without complications, with excellent post-surgical results.

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Purpose: The coronavirus disease 2019 (COVID-19) pandemic has led to significant global casualties. This study examines the postoperative impact of COVID-19 on patients who underwent gastrointestinal surgery, considering their heightened vulnerability to infections and increased morbidity and mortality risk. Methods: This retrospective observational study was conducted at a tertiary center and patients who underwent gastrointestinal surgery between January 2022 and February 2023 were included. Postoperative COVID-19 infection was defined as the detection of severe acute respiratory syndrome coronavirus 2 RNA by RT-PCR within 14 days after surgery. Propensity score matching was performed including age, sex, American Society of Anesthesiology physical status classification, and emergency operation between the COVID-19-negative (-) and -positive (+) groups. Results: Following 1:2 propensity score matching, 21 COVID-19(+) and 42 COVID-19(-) patients were included in the study. In the COVID-19(+) group, the postoperative complication rate was significantly higher (52.4% vs. 23.8%, P = 0.023). Mechanical ventilator requirement, intensive care unit (ICU) admission, and readmission rate did not significantly differ between the 2 groups. The median length of ICU (19 days vs. 4 days, P < 0.001) and hospital stay (18 vs. 8 days, P = 0.015) were significantly longer in the COVID-19(+) group. Patients with COVID-19 had a 2.4 times higher relative risk (RR) of major complications than patients without COVID-19 (RR, 2.37; 95% confidence interval, 1.254-4.467; P = 0.015). Conclusion: COVID-19 infection during the postoperative period in gastrointestinal surgery may have adverse outcomes which may increase the risk of major complications. Preoperative COVID-19 screening and protocols for COVID-19 prevention in surgical patients should be maintained.

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BACKGROUND: There is no consensus on the most effective strategy for Postoperative Pulmonary Complication (PPC) reduction. This study hypothesized that a Goal-Directed Fluid Therapy (GDFT) protocol of infusion of predetermined boluses reduces the occurrence of PPC in patients undergoing elective open abdominal surgeries when compared with Standard of Care (SOC) strategy. METHODS: Randomized, prospective, controlled study, conducted from May 2012 to December 2014, with ASA I, II or III patients undergoing open abdominal surgeries, lasting at least 120 min, under general anesthesia, randomized into the SOC and the GDFT group. In the SOC, fluid administration was according to the anesthesiologist's discretion. In the GDFT, the intervention protocol, based on bolus infusion according to blood pressure and delta pulse pressure, was applied. Patients were postoperatively evaluated by an anesthesiologist blinded to the group allocation regarding PPC incidence, mortality, and Length of Hospital Stay (LOHS). RESULTS: Forty-two patients in the SOC group and 43 in the GDFT group. Nineteen patients (45%) in the SOC and 6 in the GDFT (14%) had at least one PPC (p = 0.003). There was no difference in mortality or LOHS between the groups. Among the patients with PPC, four died (25%), compared to two deaths in patients without PPC (3%) (p = 0.001). The LOHS had a median of 14.5 days in the group with PPC and 9 days in the group without PPC (p = 0.001). CONCLUSION: The GDFT protocol resulted in a lower rate of PPC; however, the LOHS and mortality did not reduce.

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Background: Up to 30% of children have constipation at some stage in their life. Although often short-lived, in one-third of children it progresses to chronic functional constipation, potentially with overflow incontinence. Optimal management strategies remain unclear. Objective: To determine the most effective interventions, and combinations and sequences of interventions, for childhood chronic functional constipation, and understand how they can best be implemented. Methods: Key stakeholders, comprising two parents of children with chronic functional constipation, two adults who experienced childhood chronic functional constipation and four health professional/continence experts, contributed throughout the research. We conducted pragmatic mixed-method reviews. For all reviews, included studies focused on any interventions/strategies, delivered in any setting, to improve any outcomes in children (0-18 years) with a clinical diagnosis of chronic functional constipation (excluding studies of diagnosis/assessment) included. Dual reviewers applied inclusion criteria and assessed risk of bias. One reviewer extracted data, checked by a second reviewer. Scoping review: We systematically searched electronic databases (including Medical Literature Analysis and Retrieval System Online, Excerpta Medica Database, Cumulative Index to Nursing and Allied Health Literature) (January 2011 to March 2020) and grey literature, including studies (any design) reporting any intervention/strategy. Data were coded, tabulated and mapped. Research quality was not evaluated. Systematic reviews of the evidence of effectiveness: For each different intervention, we included existing systematic reviews judged to be low risk of bias (using the Risk of Bias Assessment Tool for Systematic Reviews), updating any meta-analyses with new randomised controlled trials. Where there was no existing low risk of bias systematic reviews, we included randomised controlled trials and other primary studies. The risk of bias was judged using design-specific tools. Evidence was synthesised narratively, and a process of considered judgement was used to judge certainty in the evidence as high, moderate, low, very low or insufficient evidence. Economic synthesis: Included studies (any design, English-language) detailed intervention-related costs. Studies were categorised as cost-consequence, cost-effectiveness, cost-utility or cost-benefit, and reporting quality evaluated using the consensus health economic criteria checklist. Systematic review of implementation factors: Included studies reported data relating to implementation barriers or facilitators. Using a best-fit framework synthesis approach, factors were synthesised around the consolidated framework for implementation research domains. Results: Stakeholders prioritised outcomes, developed a model which informed evidence synthesis and identified evidence gaps. Scoping review: 651 studies, including 190 randomised controlled trials and 236 primary studies, conservatively reported 48 interventions/intervention combinations. Effectiveness systematic reviews: studies explored service delivery models (n = 15); interventions delivered by families/carers (n = 32), wider children's workforce (n = 21), continence teams (n = 31) and specialist consultant-led teams (n = 42); complementary therapies (n = 15); and psychosocial interventions (n = 4). One intervention (probiotics) had moderate-quality evidence; all others had low to very-low-quality evidence. Thirty-one studies reported evidence relating to cost or resource use; data were insufficient to support generalisable conclusions. One hundred and six studies described implementation barriers and facilitators. Conclusions: Management of childhood chronic functional constipation is complex. The available evidence remains limited, with small, poorly conducted and reported studies. Many evidence gaps were identified. Treatment recommendations within current clinical guidelines remain largely unchanged, but there is a need for research to move away from considering effectiveness of single interventions. Clinical care and future studies must consider the individual characteristics of children. Study registration: This study is registered as PROSPERO CRD42019159008. Funding: This award was funded by the National Institute for Health and Care Research (NIHR) Health Technology Assessment programme (NIHR award ref: 128470) and is published in full in Health Technology Assessment; Vol. 28, No. 5. See the NIHR Funding and Awards website for further award information.

Between 5% and 30% of children experience constipation at some stage. In one-third of these children, this progresses to chronic functional constipation. Chronic functional constipation affects more children with additional needs. We aimed to find and bring together published information about treatments for chronic functional constipation, to help establish best treatments and treatment combinations. We did not cover assessment or diagnosis of chronic functional constipation. This project was guided by a 'stakeholder group', including parents of children with constipation, people who experienced constipation as children, and healthcare professionals/continence experts. We carried out a 'scoping review' and a series of 'systematic reviews'. Our 'scoping review' provides an overall picture of research about treatments, with 651 studies describing 48 treatments. This helps identify important evidence gaps. 'Systematic reviews' are robust methods of bringing together and interpreting research evidence. Our stakeholder group decided to structure our systematic reviews to reflect who delivered the interventions. We brought together evidence about how well treatments worked when delivered by families/carers (32 studies), the wider children's workforce (e.g. general practitioner, health visitor) (21 studies), continence teams (31 studies) or specialist consultant-led teams (42 studies). We also considered complementary therapies (15 studies) and behavioural strategies (4 studies). Care is affected by what is done and how it is done. We brought together evidence about different models of delivering care (15 studies), barriers and facilitators to implementation of treatments (106 studies) and costs (31 studies). Quality of evidence was mainly low to very low. Despite numerous studies, there was often insufficient information to support generalisable conclusions. Our findings generally agreed with current clinical guidelines. Management of childhood chronic functional constipation should be child-centred, multifaceted and adapted according to the individual child, their needs, the situation in which they live and the health-care setting in which they are looked after. Research is needed to address our identified evidence gaps.

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Introducción. El currículo para la formación del cirujano general exige precisión, ajuste al contexto y factibilidad. En 2022, la World Society of Emergency Surgery formuló cinco declaraciones sobre el entrenamiento en cirugía digestiva mínimamente invasiva de emergencia que puede contribuir a estos propósitos. El objetivo del presente artículo fue examinar el alcance de estas declaraciones para la educación quirúrgica en Colombia. Métodos. Se analizó desde una posición crítica y reflexiva el alcance y limitaciones para Colombia de cada una de las declaraciones de la World Society of Emergency Surgery, con base en la evidencia empírica publicada durante las últimas dos décadas en revistas indexadas nacionales e internacionales. Resultados. La evidencia empírica producida en Colombia durante el presente siglo permite identificar que el país cuenta con fundamentos del currículo nacional en cirugía general, formulado por la División de Educación de la Asociación Colombiana de Cirugía en 2021; un sistema de acreditación de la educación superior; un modelo de aseguramiento universal en salud; infraestructura tecnológica y condiciones institucionales que pueden facilitar la adopción exitosa de dichas declaraciones para el entrenamiento de los futuros cirujanos en cirugía digestiva mínimamente invasiva de emergencia. No obstante, su implementación requiere esfuerzos mayores e inversión en materia de simulación quirúrgica, cooperación institucional y fortalecimiento del sistema de recertificación profesional. Conclusión. La educación quirúrgica colombiana está en capacidad de cumplir con las declaraciones de la World Society of Emergency Surgery en materia de entrenamiento en cirugía digestiva mínimamente invasiva de emergencia.

Introduction. The general surgeon training curriculum requires precision, contextual fit, and feasibility. In 2022, the World Society of Emergency Surgery formulated five statements on training in emergency minimally invasive digestive surgery, which can contribute to these purposes. This article examines the scope of these declarations for surgical education in Colombia. Methods. The scope and limitations for Colombia of each of the statements of the World Society of Emergency Surgery were analysed from a critical and reflective position, based on empirical evidence published during the last two decades in national and international indexed journals. Results. The empirical evidence produced in Colombia during this century allows us to identify that the country has the foundations of the national curriculum in general surgery, formulated by the Education Division of the Colombian Association of Surgery in 2021; a higher education accreditation system; a universal health insurance model; technological infrastructure, and institutional conditions that can facilitate the successful adoption of said statements for the training of future surgeons in emergency minimally invasive digestive surgery. However, its implementation requires greater efforts and investment in surgical simulation, institutional cooperation, and strengthening of the professional recertification system. Conclusion. Colombian surgical education is able to comply with the declarations of the World Society of Emergency Surgery regarding training in emergency minimally invasive digestive surgery.

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BACKGROUND: Each method of reconstruction after gastrectomy results in a change in the digestive and absorptive status. However, there are few reports on the changes in pancreatic exocrine function after gastrectomy. We conducted this study to investigate the dynamics of pancreatic exocrine function after gastrectomy according to the method of reconstruction performed. METHODS: The subjects of this study were 45 patients who underwent pancreatic exocrine function tests preoperatively and postoperatively, from among all patients who underwent gastrectomy for gastric cancer at our hospital between September, 2020 and March, 2022. We assessed pancreatic exocrine function using the Pancreatic Function Diagnostant (PFD) test. RESULT: The mean preoperative PFD test result values for the distal gastrectomy (DG) Billroth I reconstruction (B-I) group and the DG Roux-en-Y reconstruction (R-Y) group were 62.6 and 67.3 (p = 0.36), respectively, and the mean postoperative PFD test result values for each group were 65.8 and 46.9 (p = 0.0094), respectively. A significant decrease in postoperative pancreatic function was observed in the DG R-Y group but not in the DG B-I group. The logistic regression analysis identified that age and the R-Y group were significantly correlated with a 10% decrease in the PFD value after gastrectomy. CONCLUSIONS: Our study suggests that R-Y reconstruction may result in more impaired pancreatic exocrine function than B-I reconstruction.

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Abdominal bloating (AB) is a common symptom among patients with gastroesophageal reflux disease (GERD); however, in clinical practice, its prevalence is likely underestimated due to the lack of objective tools to measure its frequency and severity. It is associated with dissatisfaction and worse quality of life, but data on its prevalence before and after mechanical control of GERD (i.e. fundoplication, magnetic sphincter augmentation, and antireflux mucosectomy) are lacking. To assess and determine the pre- and postoperative prevalence and severity of AB among patients with GERD, we conducted a structured literature search using MeSH and free-text terms in MEDLINE (via Pubmed), EMBASE, and Taylor & Francis Online between January 1977 and October 2022. Fifteen articles reporting the prevalence or severity of AB using quality-of-life questionnaires before or after antireflux surgery (ARS) were included. Overall, a high prevalence of AB before ARS was found. A decline in the prevalence and severity of AB was documented postoperatively in most cases independent of the surgical approach. Among surgical approaches, a complete fundoplication had the highest reported postoperative AB. Overall, patients reported less severe and less frequent AB after ARS than before. The traditional belief that postoperative bloating is a sequela of ARS should be reevaluated.

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INTRODUCTION: Gastro-oesophageal reflux disease (GORD) is a chronic progressive disease, associated with substantial clinical and economic burden. Proton pump inhibitors (PPIs) are considered first-line treatment; however, there are concerns around the long-term impact of their usage. Surgical treatment with Nissen fundoplication can be considered but, because of the potential side effects, few patients undergo surgery and there remains a substantial therapeutic gap within the current treatment pathway. Laparoscopic magnetic sphincter augmentation (MSA) using the LINX® device is an alternative surgical approach. METHODS: The objective of this study was to investigate patient-reported outcomes following laparoscopic MSA surgery using the LINX® device in a UK setting. A retrospective questionnaire obtained data regarding postoperative symptoms, medication use and patient satisfaction. RESULTS: Out of 131 patients surveyed, 97 responses were received, with a minimum follow-up time of 1 year. In those who reported heartburn and regurgitation preoperatively, improvement was reported in 93% (84/90) and 90% (86/96) of patients, respectively. Eighty-eight per cent (73/83) of patients were able to completely stop or reduce their medication by at least 75%. Seventy-seven per cent (73/95) of patients were "very satisfied" or "satisfied". CONCLUSIONS: This study is the first to present patient-reported outcomes of MSA using the LINX® device for patients with GORD in the UK. It demonstrates that the device has favourable outcomes and could effectively bridge the current therapeutic gap that exists between PPI medication and Nissen fundoplication.

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BACKGROUND: Enhanced Recovery After Surgery (ERAS) is an evidence-based intervention that is well-recognised across multiple surgical specialties as having potential to lead to improved patient and hospital outcomes. Little is known about sustainability of ERAS programmes. AIMS: This review aimed to describe available evidence evaluating sustainability of ERAS programmes in gastrointestinal surgery to understand: (a) how sustainability has been defined; (b) examine determinants of sustainability; (c) identify strategies used to facilitate sustainability; (d) identify adaptations to support sustainability; and (e) examine outcomes measured as indicators of sustainability of ERAS programmes. METHODS: This scoping review was conducted following the Joanna Briggs Institute's methodology. Research databases (PubMed, Embase, CINHAL) and the grey literature were searched (inception to September 2022) for studies reporting sustainability of ERAS programmes in gastrointestinal surgery. Included articles reported an aspect of sustainability (i.e., definition, determinants, strategies, adaptations, outcomes and ongoing use) at ≥2 years following initial implementation. Aspects of sustainability were categorised according to relevant frameworks to facilitate synthesis. RESULTS: The search strategy yielded 1852 records; first round screening excluded 1749, leaving 103 articles for full text review. Overall, 22 studies were included in this review. Sustainability was poorly conceptualised and inconsistently reported across included studies. Provision of adequate resources was the most frequently identified enabler to sustainability (n/N = 9/12, 75%); however, relatively few studies (n = 4) provided a robust report of determinants, with no study reporting determinants of sustainability and strategies and adaptations to support sustainability alongside patient and service delivery outcomes. CONCLUSION: Improved reporting, particularly of strategies and adaptations to support sustainability is needed. Refinement of ERAS reporting guidelines should be made to facilitate this, and future implementation studies should plan to document and report changes in context and corresponding programme changes to help researchers and clinicians sustain ERAS programmes locally.

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Objective:To evaluate the feasibility and clinical effectiveness of placing a nasointestinal ileus tube (NTI) during extensive adhesive bowel obstruction (ABO) surgery.Methods:A retrospective analysis was performed for the clinical and follow-up data of 60 patients with extensive ABO admitted to the Department of General Surgery of Daxing District Hospital of Capital Medical University from April 2019 to April 2021, of which 30 patients underwent intraoperative NIT intraintestinal alignment (observation group) and 30 patients who did not undergo NIT intraintestinal alignment (control group) during the same period. There were 12 males and 18 females in the observation group. There were 16 males and 14 females in the control group. The operation time, gastrointestinal function recovery time, discharge time, total effective rate and postoperative complication rate were compared between the two groups, and the quantitative data of the recurrence rate of intestinal obstruction at 24 months after surgery were expressed as mean ± standard deviation ( ± s), and the t-test was used for comparison between groups. Numerological data were presented as cases (percentage) [ n (%)], and chi-square tests were used for comparison between groups. Results:All patients were successfully completed the surgery and discharged from the hospital. There was no statistically significant difference in total effective rate between the control group and the observation group( χ2=3.16, P=0.237). The surgical time in the observation group was slightly longer than that in the control group [(110.6±4.6) min vs (94.3±2.5) min, t=17.27, P=0.001]. The recovery time of gastrointestinal function and hospitalization time in the observation group were shorter than those in the control group[(8.13±1.00) d vs (8.70±0.70) d, t=2.53, P=0.014; (12.83±1.57) d vs (13.67±1.03) d, t=0.03, P=0.018]. The incidence of postoperative complications was lower than that in the control group (10% vs 30%, P=0.028), and the difference was statistically significant. Conclusion:Intraoperative application of NIT is safe and effective, and can significantly reduce the recurrence rate of postoperative intestinal obstruction.

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ABSTRACT BACKGROUND: Advanced megaesophagus predisposes to risks of malnutrition infections and cancer, in addition to having a significant impact on quality of life. There is currently no consensus in the literature regarding the best surgical option for advanced megaesophagus, although there is a predilection for esophagectomy, despite this surgery being associated with significant morbidity and mortality. Other surgical procedures, such as esophageal mucosectomy and Heller cardiomyotomy, have been proposed with good results. AIMS: To conduct a systematic review and meta-analysis of the literature on the surgical treatment of advanced megaesophagus. METHODS: Databases used included PubMed, Latin American and Caribbean Health Sciences Literature (Lilacs), Embase and Medical Literature Analysis and Retrieval System Online (MedLine), as well as reference research. Two reviewers selected the articles independently. RESULTS: A total of 14 articles were chosen, which included 1,862 patients. The studies were divided into two groups: laparoscopic cardiomyotomy with fundoplication (213 patients) and major surgeries (1,649 patients). The studies yielded mostly good or excellent results regarding late outcomes in both groups. However, there was significant morbidity associated with the major surgeries group. CONCLUSIONS: Laparoscopic Heller myotomy can be performed on patients with advanced megaesophagus, with lower rates of complications and mortality compared to major surgeries, with reservations regarding late outcomes results.

RESUMO RACIONAL: O megaesôfago avançado predispõe riscos clínicos de desnutrição, infecções e neoplasias, além de impacto significativo na qualidade de vida. Não há um consenso atual na literatura ante a melhor opção de seu tratamento cirúrgico, embora haja predileção pela esofagectomia, cirurgia de significativa morbimortalidade associada. Outras modalidades cirúrgicas têm sido propostas, com bons resultados, como a mucosectomia esofágica e a cardiomiotomia laparoscópica à Heller. OBJETIVOS: Realizar uma revisão sistemática com metanálise da literatura acerca do tratamento cirúrgico do megaesôfago avançado. MÉTODOS: As bases de dados utilizadas foram PubMed, Lilacs, Embase e MedLine, além de pesquisas de referências relacionadas. Os artigos foram selecionados por dois revisores independentemente. RESULTADOS: Foram selecionados 14 artigos, que incluem 1.862 pacientes. Os estudos foram divididos em dois grupos: cardiomiotomia laparoscópica com fundoplicatura (213 pacientes) e cirurgias de grande porte (1.649 pacientes). Os estudos analisados evidenciam que ambos os grupos apresentaram resultados semelhantes quanto ao desfecho tardio, considerado majoritariamente bom ou excelente, no entanto, houve significativa morbimortalidade associada ao grupo de cirurgias maiores. CONCLUSÕES: A cardiomiotomia laparoscópica com fundoplicatura pode ser realizada no megaesôfago avançado, com taxas de complicações e mortalidade reduzidas frente às cirurgias de grande porte, porém, com ressalvas quanto ao desfecho tardio a longo prazo.

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Background: Surgical antibiotic prophylaxis is an essential component of perioperative care. The use of prophylactic regimens of antibiotics is a well-established practice that is encouraged to be implemented in preoperative/perioperative protocols in order to prevent surgical site infections. Aims: To emphasize the crucial aspects of antibiotic prophylaxis in abdominal surgery. Results: Antibiotic prophylaxis is defined as the administration of antibiotics before contamination occurs, given with the intention of preventing infection by achieving tissue levels of antibiotics above the minimum inhibitory concentration at the time of surgical incision. It is indicated for clean operations with prosthetic materials or in cases where severe consequences may arise in the event of an infection. It is also suitable for all clean-contaminated and contaminated operations. The spectrum of action is determined by the pathogens present at the surgical site. Ideally, a single intravenous bolus dose should be administered within 60 minutes before the surgical incision. An additional dose should be given in case of hemorrhage or prolonged surgery, according to the half-life of the drug. Factors such as the patient's weight, history of allergies, and the likelihood of colonization by resistant bacteria should be taken into account. Compliance with institutional protocols enhances the effectiveness of antibiotic use. Conclusions: Surgical antibiotic prophylaxis is associated with reduced rates of surgical site infection, hospital stay, and morbimortality.

Racional: A antibioticoprofilaxia é um componente importante dos cuidados perioperatórios. Objetivos: Abordar os principais aspectos da antibioticoprofilaxia em cirurgia digestiva. Resultados: Ela é definida como a redução da carga de bactérias no sítio operatório através da obtenção de níveis séricos de antibiótico acima da concentração inibitória mínima no momento da incisão cirúrgica. Está indicada em cirurgias limpas com próteses e nas quais a consequência de uma eventual infecção seja grave, bem como em todas as cirurgias limpas-contaminadas e contaminadas. O espectro de ação do antibiótico deve ser de acordo com a flora esperada no sítio cirúrgico e deve ser administrado 60 minutos antes da incisão, em bolus, por via endovenosa e preferencialmente em dose única. Nos casos de hemorragia importante ou cirurgias mais longas, uma nova dose pode ser administrada. O peso do paciente, a história de alergia a medicamentos e a possibilidade de colonização por bactérias multirresistentes devem ser levados em conta. A aderência a protocolos institucionais aumenta a chance de uso adequado da antibioticoprofilaxia. Conclusões: A antibioticoprofilaxia está associada à redução das taxas de infecção do sítio cirúrgico, tempo de internação e morbidade.

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Magnetic sphincter augmentation (MSA) is an alternative surgical treatment for gastroesophageal reflux disease; however, >1.5 T magnetic resonance imaging (MRI) is contraindicated for patients who have undergone MSA with the LINX Reflux Management System (Torax Medical, Inc. Shoreview, Minnesota, USA). This drawback can impose a barrier to access of MRI, and cases of surgical removal of the device to enable patients to undergo MRI have been reported. To evaluate access to MRI for patients with an MSA device, we conducted a structured telephone interview with all diagnostic imaging providers in Arizona in 2022. In 2022, only 54 of 110 (49.1%) locations that provide MRI services had at least one 1.5 T or lower MRI scanner. The rapid replacement of 1.5 T MRI scanners by more advanced technology may limit healthcare options and create an access barrier for patients with an MSA device.

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Introducción. Las fugas anastomóticas son una complicación común y crítica en cirugía gastrointestinal, por lo que su identificación y tratamiento temprano son necesarios para evitar resultados adversos. El uso convencional con un valor límite de la proteína C reactiva ha demostrado una utilidad limitada. El objetivo de este estudio fue determinar la utilidad de la medición seriada de la proteína C reactiva en la detección de fugas anastomóticas. Métodos. Revisión prospectiva de base de datos retrospectiva de pacientes sometidos a cirugía abdominal mayor con al menos una anastomosis intestinal. Se midió la proteína C reactiva al tercer y quinto día posoperatorio. Las complicaciones se categorizaron según la clasificación de Clavien-Dindo. La precisión diagnóstica fue evaluada por el área bajo la curva. Resultados. Se incluyeron 157 pacientes, el 52 % mujeres. La edad promedio fue de 63,7 años. El mayor número de cirugías correspondió a gastrectomía (36,3 %), resección anterior de recto (15,3 %) y hemicolectomía derecha (13,4 %). El 25,5 % tuvieron alguna complicación postoperatoria y el 32,5 % (n=13) presentaron fuga en la anastomosis. El aumento de la proteína C reactiva tuvo un área bajo la curva de 0,918 con un punto de corte de aumento en 1,3 mg/L, sensibilidad de 92,3 % (IC95% 78 ­ 100) y una especificidad de 92,4 % (IC95% 88 ­ 96). Conclusiones. El aumento de 1,3 mg/L en la proteína C reactiva entre el día de la cirugía y el quinto día fue un predictor preciso de fugas anastomóticas en pacientes con cirugía abdominal mayor

Introduction. Anastomotic leaks are a common and critical complication in gastrointestinal surgery. Their identification and early treatment are necessary to avoid adverse results, and conventional use with a cutoff value of C-reactive protein has shown limited utility. The objective of this study was to determine the usefulness of serial measurement of C-reactive protein in the detection of anastomotic leaks. Methods. Prospective review of a retrospective database of patients undergoing major abdominal surgery with at least one intestinal anastomosis. C-reactive protein was measured on the third and fifth postoperative days. Complications were classified according to the Clavien-Dindo classification. Diagnostic accuracy was evaluated by the area under the curve.Results. 157 patients were included, 52% were females. The average age was 63.7 years. The largest number of surgeries corresponded to gastrectomies (36.3%), anterior resection of the rectum (15.3%) and right hemicolectomies (13.4%). 25.5% had some postoperative complication and 32.5% (n=13) had anastomosis leaks. The increase in C-reactive protein had an area under the curve of 0.918 with an increase cut-off point of 1.3 mg/L, sensitivity of 92.3% (95% CI 78-100) and specificity of 92.4%. (95% CI 88-96). Conclusions. The 1.3 mg/L increase in C-reactive protein between the day of surgery and the fifth day was an accurate predictor of anastomotic leaks in patients with major abdominal surgery

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Magnetic sphincter augmentation (MSA) is a successful treatment option for chronic gastroesophageal reflux disease; however, there is a paucity of data on the efficacy of MSA in obese and morbidly obese patients. To assess the relationship between obesity and outcomes after MSA, we conducted a literature search using MeSH and free-text terms in MEDLINE, EMBASE, Cochrane and Google Scholar. The included articles reported conflicting results regarding the effect of obesity on outcomes after MSA. Prospective observational studies with larger sample sizes and less statistical bias are necessary to understand the effectiveness of MSA in overweight and obese patients.

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ABSTRACT Background: The use of autologous blood transfusion in digestive tract surgeries, whether after preoperative blood collection or intraoperative blood salvage, is an alternative to allogeneic blood, which brings with it certain risks and shortage, due to the lack of donors. Studies have shown lower mortality and longer survival associated with autologous blood, however the theoretical possibility of spreading metastatic disease is still one of the limiting factors of its use. Objective: To evaluate the application of autologous transfusion in digestive tract surgeries, noting the benefits, damages and effects on the spread of metastatic disease. Methods: This is an integrative review of the literature available in the PubMed, Virtual Health Library and SciELO databases, by searching for "Autologous Blood Transfusion AND Gastrointestinal Surgical Procedures". Observational and experimental studies and guidelines published in the last five years in Portuguese, English or Spanish were included. Results: Not all patients benefit from blood collection before elective procedures, with the time of surgery and hemoglobin levels some of the factors that may indicate the need for preoperative storage. Regarding the intraoperative salvaged blood, it was observed that there is no increased risk of tumor recurrence, but the importance of using leukocyte filters and blood irradiation is highlighted. There was no consensus among the studies whether there is a maintenance or reduction of complication rates compared to allogeneic blood. The cost related to the use of autologous blood may be higher, and the less stringent selection criteria prevent it from being added to the general donation pool. Conclusion: There were no objective and concordant answers among the studies, but the strong evidence of less recurrence of digestive tumors, the possibility of changes in morbidity and mortality, and the reduction of costs with patients suggest that the practice of autologous blood transfusion should be encouraged in digestive tract surgeries. It is necessary to note if the deleterious effects would stand out amidst the possible benefits to the patient and to health care systems.

RESUMO Contexto: O emprego da transfusão sanguínea autóloga nas cirurgias do aparelho digestivo, seja através da coleta de sangue no pré-operatório ou da recuperação de sangue no intraoperatório, é uma alternativa ao sangue alogênico, que traz consigo determinados riscos e a escassez, pela falta de doadores. Estudos têm demonstrado menor mortalidade e maior sobrevida associadas ao sangue autólogo, no entanto a possibilidade teórica de propagação de doença metastática ainda é um dos fatores limitantes do seu uso. Objetivo: Avaliar a aplicação da transfusão autóloga em cirurgias do aparelho digestivo, observando os benefícios, prejuízos e efeitos sobre a propagação de doenças metastáticas. Métodos: Trata-se de uma revisão integrativa da literatura disponível nas bases de dados PubMed, Biblioteca Virtual em Saúde e SciELO, através da busca por "Autologous Blood Transfusion AND Gastrointestinal Surgical Procedures". Foram incluídos estudos observacionais e experimentais e guidelines publicados nos últimos 5 anos, nos idiomas português, inglês ou espanhol. Resultados: Nem todos os pacientes beneficiam-se da coleta de sangue antes de procedimentos eletivos, sendo o tempo de cirurgia e os níveis de hemoglobina alguns dos fatores que podem indicar a necessidade do armazenamento pré-operatório. Em relação ao sangue recuperado no intraoperatório, observou-se que não há maior risco de recorrência de tumores, mas destaca-se a importância do uso de filtros leucocitários e irradiação sanguínea. Não houve consenso entre os estudos se há uma manutenção ou redução das taxas de complicação, em comparação com o sangue alogênico. O custo relacionado ao uso de sangue autólogo pode ser maior, além de os critérios de seleção menos rigorosos impedirem que seja adicionado ao pool geral de doações. Conclusão: Não houve respostas objetivas e concordantes entre os estudos, mas os fortes indícios da menor recorrência de tumores digestivos, a possibilidade de alterações na morbimortalidade e a redução dos custos com os pacientes sugerem que a prática da transfusão sanguínea autóloga seja fomentada nas cirurgias do aparelho digestivo. É necessário observar se os efeitos deletérios se destacariam em meio aos possíveis benefícios ao paciente e aos sistemas de saúde.

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Objective:Based on experience of robotic gastrointestinal surgery at the Department of General Surgery, Clinical Medicine Center of Gansu Provincial Hospital, this study explored the principles and methods of trocar layout for robotic "3+2" mode gastrointestinal surgery, suitable for beginners.Methods:From Apr 2017 to Oct 2022, the robotic gastrointestinal surgery team of Gansu Provincial Hospital completed 998 cases of robotic "3+2" mode gastrointestinal surgery, including 600 cases of gastric cancer, 100 cases of rectal cancer, 98 cases of descending colon and sigmoid colon cancer, 20 cases of transverse colon cancer, and 180 cases of right colon cancer. Through the continuous optimization and improvement of the problems encountered during the operation, combined with the operator's experience, and taking into account various aspects, we developed the robotic "3+2" mode trocar layout for gastrointestinal surgery.Results:Four principles of trocar layout were developed, namely, the principle of lens placement around the navel, the principle of symmetry in the main operation, the principle of 8-10cm distance between trocar holes, and the principle of symmetry in the auxiliary hole lens. Three trocar layout methods and principles applicable to robotic gastric surgery, and four applicable to robotic colorectal surgery were developed.Conclusion:The trocar layout method of robotic "3+2" mode gastrointestinal surgery is established based on a large number of robotic gastrointestinal surgery experiences. This method is simple and easy to learn, with strong repeatability and operability.