Acta Gastroenterologica Latinoamericana最新文献

{"title":"[Prevalence of Esophageal Squamous Cell Carcinoma among Patients with Head and Neck Cancer: A Single-Center Study].","authors":"Ana Victoria Martins Lima, Fernanda Carvalho Franco, Cesar Saul Quevedo Penaloza, Diego Cadena Aguirre, Rafael Sartori Balbinot, Regina Rie Imada, Fabio Marioni, Renata Nobre Moura, Gustavo Andrade de Paulo, Adriana Vaz Safatle-Ribeiro, Louise Menezes da Cunha, Fábio Gonçalves Ferreira","doi":"10.52787/agl.v55i4.534","DOIUrl":"10.52787/agl.v55i4.534","url":null,"abstract":"<p><strong>Introduction: </strong>Patients with head and neck cancer have an increased risk of developing second primary tumors in the esophagus, which negatively impacts prognosis. Early detection can significantly improve survival.</p><p><strong>Objective: </strong>To evaluate the prevalence of esophageal squamous cell carcinoma in patients with head and neck cancer, in addition to describing the epidemiological profile of these patients.</p><p><strong>Materials and methods: </strong>We retrospectively analyzed a database of patients with a current or previous diagnosis of head and neck cancer who underwent esophagogastroduodenoscopy for screening of second primary tumors during 2022 at a renowned referral center in São Paulo.</p><p><strong>Results: </strong>A total of 177 patients with head and neck cancer were evaluated, but only 165 met the inclusion criteria. Esophageal squamous cell carcinoma was detected in 4.84% (95% CI: 2.1 - 9.2) of the evaluated patients (8 out of 165 cases), and half of the cases were diagnosed at advanced stages. Most patients were men (79%), with a mean age of 65 years. Most were smokers, with a primary tumor located in the oropharynx. Esophageal lesions measuring 7 mm or more were significantly associated with neoplasia.</p><p><strong>Conclusion: </strong>The prevalence of second primary esophageal tumors in patients with head and neck cancer is relevant. Older men smokers with history of oropharyngeal tumor, represent the highestrisk group. In this population, endoscopic lesions measuring 7 millimeters or more should be considered a highrisk marker for neoplasia, which supports the implementation of targeted screening programs for vulnerable populations.</p>","PeriodicalId":35700,"journal":{"name":"Acta Gastroenterologica Latinoamericana","volume":"55 4","pages":"379-385"},"PeriodicalIF":0.0,"publicationDate":"2025-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12965161/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147378834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluación de un paciente con dolor epigástrico y hallazgos sincrónicos infrecuentes.","authors":"Roy López Grove, Daniela Soloaga, Juan Carlos Spina","doi":"10.52787/agl.v55i4.558","DOIUrl":"10.52787/agl.v55i4.558","url":null,"abstract":"","PeriodicalId":35700,"journal":{"name":"Acta Gastroenterologica Latinoamericana","volume":"55 4","pages":"330-331"},"PeriodicalIF":0.0,"publicationDate":"2025-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12965153/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147378874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Surgical Procedures in Gastroesophageal Reflux Disease].","authors":"David Solinas, Mauricio Ramírez, Alejandro Nieponice","doi":"10.52787/agl.v55i4.553","DOIUrl":"10.52787/agl.v55i4.553","url":null,"abstract":"<p><p>Gastroesophageal reflux disease is a prevalent condition worldwide with a significant impact on patients' quality of life and a growing burden on healthcare systems. In Argentina, the prevalence of typical weekly symptoms is estimated at 23%, which is similar to rates reported in other Latin American regions. Although most patients with esophagitis respond adequately to proton pump inhibitors, up to 30 - 40% of cases may show a partial or inadequate response, particularly among those with non-erosive disease. In such cases, surgery is a valid and effective alternative. The aim of this review is to provide an up-to-date, evidence-based analysis of preoperative functional evaluation, surgical techniques, patient selection, and the relationship between gastroesophageal reflux disease and special conditions such as obesity or rheumatological diseases.</p>","PeriodicalId":35700,"journal":{"name":"Acta Gastroenterologica Latinoamericana","volume":"55 4","pages":"317-329"},"PeriodicalIF":0.0,"publicationDate":"2025-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12965156/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147378952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Prevalence of Helicobacter pylori and Endoscopic and Histopathological Fin-dings in Obese Patients who are Can-didates for Bariatric Surgery].","authors":"Ruby M Martínez Ramírez, Ángel Nadales, Mónica X Martínez Ramírez, Ariel Siles Vásquez, María José Mejía Díazgranados","doi":"10.52787/agl.v55i4.564","DOIUrl":"10.52787/agl.v55i4.564","url":null,"abstract":"<p><strong>Introduction: </strong>The prevalence of Helicobacter pylori in obese patients has been poorly documented, especially in contexts with adequate healthcare access. In these patients, the absence of visible lesions during endoscopy may lead to underestimate relevant histological alterations if systematic biopsies are not performed. There are few local studies characterizing this population, which motivates the need for this research.</p><p><strong>Objective: </strong>To estimate the prevalence of Helicobacter pylori and to describe the endoscopic and histopathological findings, as well as sociodemographic variables, in obese patients who are candidates for bariatric surgery at the Hospital Universitario Austral.</p><p><strong>Materials and methods: </strong>Observational, descriptive, cross-sectional, and retrospective study carried out on a cohort of patients who underwent bariatric surgery between 2022 and 2024. Those with complete esophagogastroduodenoscopy) and gastric biopsies according to the Sydney protocol were included. Endoscopic findings, histopathological diagnosis, and the presence or absence of H. pylori in the patients were analyzed, stratified by sex and degree of obesity.</p><p><strong>Results: </strong>Out of the 418 patients who underwent surgery in our institution, 326 (78%) with esophagogastroduodenoscopy with gastric biopsies were included in the analysis. The rest had esophagogastroduodenoscopy without biopsies, or had not undergone the procedure. Endoscopic lesions were identified in 60.1% of cases, the most frequent being gastric erosions (35.5%) and erosive esophagitis (18.1%). The histopathological analysis revealed chronic gastritis in 55.2% and Helicobacter pylori infection in 21.5%, even in the absence of macroscopic lesions. Significant differences by sex were observed in the prevalence of lesions and histological findings.</p><p><strong>Conclusion: </strong>The systematic use of biopsies according to Sydney's protocol allows the identification of relevant histological alterations in obese patients, even in the absence of apparent endoscopic lesions. It is important to perform systematic biopsies during preoperative evaluation to optimize the detection and timely treatment of associated gastrointestinal pathologies.</p>","PeriodicalId":35700,"journal":{"name":"Acta Gastroenterologica Latinoamericana","volume":"55 4","pages":"371-378"},"PeriodicalIF":0.0,"publicationDate":"2025-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12965152/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147378969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Surgical Management of a Complicated Retained Endoscopic Capsule. A Case Report].","authors":"Brian Santos, Gustavo Nestares, Gonzalo Castellano Egloff, María Lorena Diez Ribotta","doi":"10.52787/agl.v55i3.461","DOIUrl":"10.52787/agl.v55i3.461","url":null,"abstract":"<p><p>Currently, capsule endoscopy is the gold standard for evaluating small bowel diseases. Its most common use is to investigate intestinal bleeding of unknown origin, although its indications have been expanded to include the investigation of Crohn's disease, iron deficiency anemia, malabsorption syndromes, intestinal lesions related to the use of nonsteroidal anti-inflammatory drugs, small bowel tumors, and surveillance of polyposis syndromes. The main risk associated with its use is capsule retention. We present the case of a patient who was admitted to the emergency room due to acute abdominal pain and reported that four months earlier she had undergone a capsule endoscopy as part of an investigation into her anemia. Imaging studies revealed a metallic object in the colon and hydropneumoperitoneum. With a diagnosis of acute perforated abdomen, surgical intervention was decided upon, and a right hemicolectomy was performed. The pathological study reported the presence of an intraluminal endoscopic camera. The patient was discharged on the seventh day without complications. This case is presented to highlight the risks of capsular retention, which can lead to acute complications such as obstruction or perforation, emphasizing the importance of early diagnosis so that surgery is not necessary.</p>","PeriodicalId":35700,"journal":{"name":"Acta Gastroenterologica Latinoamericana","volume":"55 3","pages":"252-256"},"PeriodicalIF":0.0,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12658997/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145670111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Postoperative Complications of Oncological Gastrectomies: A Case Series].","authors":"Waldo Franelich Bascuñán, Daniela Meneses Ishihara, Rocío Caneo Leal, Katerin Retamales Rojas, Giancarlo Schiappacasse Faúndes","doi":"10.52787/agl.v55i3.483","DOIUrl":"10.52787/agl.v55i3.483","url":null,"abstract":"<p><p>Oncologic gastrectomy is the only potentially curative treatment for gastric cancer, although it is associated with high postoperative morbidity and mortality. Early diagnosis of complications is essential to reduce mortality and guide timely therapeutic decisions. This paper presents a series of representative cases, grouped in a pictorial review of postoperative complications after oncologic gastrectomy, with emphasis on computed tomography findings. Early complications included bleeding at the entero-enteric anastomosis, anastomotic leakage, entero-quilloid fistula, acute pancreatitis, and omental infarction. Late complications included hiatal hernia complicated by intestinal obstruction, tumor recurrence at the anastomosis and peri-anastomotic ulcer. Multidetector computed tomography enabled us to accurately identiy fluid collections, contrast extravasation, dilated loops and inflammatory or ischemic changes, providing direct and indirect signs of complications. These findings were decisive in guiding treatment, whether conservative, interventional, or surgical. This case series highlights the usefulness of computed tomography in the early recognition of potentially serious complications, reinforcing its role as an essential diagnostic tool in the postoperative follow-up of oncologic gastrectomy.</p>","PeriodicalId":35700,"journal":{"name":"Acta Gastroenterologica Latinoamericana","volume":"55 3","pages":"245-251"},"PeriodicalIF":0.0,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12659003/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145670119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[[How to Determine the Sample Size Needed to Test Our Research Hypothesis?]].","authors":"Emiliano Rossi","doi":"10.52787/agl.v55i3.540","DOIUrl":"10.52787/agl.v55i3.540","url":null,"abstract":"","PeriodicalId":35700,"journal":{"name":"Acta Gastroenterologica Latinoamericana","volume":"55 3","pages":"180-183"},"PeriodicalIF":0.0,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12658998/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145670172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Chylou Peritonitis Secondary to a Lymphocele of the Thoracic Duct due to Blunt Trauma].","authors":"Evelin Mariel Crocci, Mirta Vera, María Emilia De Armas, Mauricio Rodrigo Paternó, Ronald Ríos Parrado, Jesica Franco, Lorena Colque, Lilian Castro, Sandra Lencinas","doi":"10.52787/agl.v55i3.445","DOIUrl":"10.52787/agl.v55i3.445","url":null,"abstract":"<p><p>Chylous peritonitis, which is caused by the accumulation of chyle in the abdominal cavity, is a rare cause of acute surgical abdomen. It has a milky appearance due to its high triglyceride content. It can originate from different mechanisms, including congenital malformations and injury or obstruction of the lymphatic ducts. Due to its low incidence, there is no clear diagnostic or therapeutic approach, adding further complexity to the condition. We present a clinical case of a 37-year-old female patient with a history of blunt cervical trauma that progressed to abdominal distension and peritoneal reaction. This led to surgical intervention and the finding of chyloperitoneum.</p>","PeriodicalId":35700,"journal":{"name":"Acta Gastroenterologica Latinoamericana","volume":"55 3","pages":"257-261"},"PeriodicalIF":0.0,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12659001/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145670153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Literature Review: Acute Pancreatitis].","authors":"Sara Pérez-Brotons, Enrique de-Madaria","doi":"10.52787/agl.v55i3.541","DOIUrl":"10.52787/agl.v55i3.541","url":null,"abstract":"<p><p>Acute pancreatitis is one of the leading causes of hospital admissions for gastrointestinal disease worldwide. Its incidence has increased in recent years, significantly impacting healthcare costs. It is an acute inflammatory process of the pancreas accompanied by abdominal pain, nausea, and vomiting. The most common causes are gallstones and alcohol abuse, though there are other, less frequent causes. A diagnosis of acute pancreatitis requires the fulfillment of at least two of three criteria: typical abdominal pain, amylase or lipase levels three times higher than the upper limit of normal, and/or compatible imaging findings. The disease can progress from mild forms with rapid resolution to severe cases that can lead to local and systemic complications and multiple organ failure. This condition significantly impacts morbidity and mortality. The latter occurs in 24% of mild cases and up to 50% of severe cases. Since there is no specific treatment for acute pancreatitis, its management is based on supportive measures and addressing the underlying cause to prevent further episodes.</p>","PeriodicalId":35700,"journal":{"name":"Acta Gastroenterologica Latinoamericana","volume":"55 3","pages":"203-209"},"PeriodicalIF":0.0,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12659000/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145670121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Obliteration of Gastric Varices using Endoscopic Ultrasound with Endocoils, with or without Cyanoacrylate. A Case series].","authors":"Gabriel Mosquera-Klinger, Alejandro Concha-Mejía, Jhon Jaime Carvajal, Liliana Restrepo, Manuel Alonso Ardila-Báez","doi":"10.52787/agl.v55i3.502","DOIUrl":"10.52787/agl.v55i3.502","url":null,"abstract":"<p><strong>Introduction: </strong>Gastric varices affect between 17% and 25% of patients with portal hypertension, and bleeding is a serious complication with high mortality. Although the standard treatment has been direct injection of cyanoacrylate by endoscopy, this can cause significant adverse effects in the patient and even damage to the endoscopic equipment. Therefore, this study describes the experience in managing gastric varices using endocoils, with or without cyanoacrylate, guided by endoscopic ultrasound.</p><p><strong>Material and methods: </strong>A series of cases of patients with gastric varices treated with endocoil insertion, with or without cyanoacrylate injection, guided by endoscopic ultrasound, at two high-complexity institutions in Bogotá and Medellín, Colombia. The study period was from March 1, 2022, to July 31, 2024.</p><p><strong>Results: </strong>Fifteen adult patients with gastric varices were included; 60% women, with a mean age of 63.3 years and a BMI of 29.1. 93% of the patients had chronic liver disease, mainly due to metabolic hepatic steatotosis or alcohol. IGV1 varices were observed in 10/15 patients and GOV2 varices in 5/15 patients, with an average variceal size of 15.1 mm. Between one and two endocoils were used per patient, and in six cases complementary cyanoacrylate was applied. The clinical success rate was 100% and the technical success rate was 93%. No serious complications were reported.</p><p><strong>Conclusion: </strong>Treatment with EUS - guided endocoils, with or without cyanoacrylate injection under EUS guidance, is an innovative and effective technique, considered the treatment of choice for acute gastrointestinal bleeding and secondary prophylaxis in patients with GV. This case series showed high clinical and technical success rates, along with a low incidence of complications, suggesting that it is a safe procedure.</p>","PeriodicalId":35700,"journal":{"name":"Acta Gastroenterologica Latinoamericana","volume":"55 3","pages":"219-228"},"PeriodicalIF":0.0,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12658995/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145670189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}