Javier Chahuán

ORCID: 0000-0003-1261-6200
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About
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Research Areas
  • Helicobacter pylori-related gastroenterology studies
  • Eosinophilic Esophagitis
  • Simulation-Based Education in Healthcare
  • Surgical Simulation and Training
  • Gastric Cancer Management and Outcomes
  • Gastroesophageal reflux and treatments
  • Innovations in Medical Education
  • Esophageal and GI Pathology
  • Veterinary medicine and infectious diseases
  • Inflammatory Bowel Disease
  • Metastasis and carcinoma case studies
  • COVID-19 Clinical Research Studies
  • Gastrointestinal disorders and treatments
  • SARS-CoV-2 detection and testing
  • Gastrointestinal motility and disorders
  • SARS-CoV-2 and COVID-19 Research
  • Neuroendocrine Tumor Research Advances
  • Diverticular Disease and Complications
  • Thyroid and Parathyroid Surgery
  • Vasculitis and related conditions
  • Cardiovascular Syncope and Autonomic Disorders
  • Gastrointestinal Bleeding Diagnosis and Treatment
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Pathogenesis and Treatment of Hiccups
  • Eosinophilic Disorders and Syndromes

Pontificia Universidad Católica de Chile
2016-2025

Abstract Background Relatives of inflammatory bowel disease (IBD) patients have a higher risk developing the condition than general population. Approximately 12% IBD cases are familial. We aim to evaluate prevalence family history (FH-IBD) in Crohn’s (CD) and ulcerative colitis (UC) patients, identify clinical characteristics linked FH-IBD risk, develop polygenic score (PRS) for FH-IBD. Methods Patients were recruited from Chilean referral center between 2019 2024, yielding data 412...

10.1093/ecco-jcc/jjae190.1471 article EN Journal of Crohn s and Colitis 2025-01-01

El aprendizaje de los estudiantes Medicina Pregrado en ambiente simulado constituye una alternativa la obtencion competencias tecnicas y no tecnicas. Objetivo: Desarrollar un fantoma e implementar taller modular entrenamiento paracentesis abdominal para Medicina.  Metodos: Se disenaron desarrollaron modelos realizacion Escuela Diseno Pontificia Universidad Catolica Chile (PUC) se implemento alumnos 4to ano PUC, utilizando enfoque constructivista, sesiones con debriefing basadas el modelo...

10.11565/arsmed.v42i2.392 article ES cc-by-sa ARS MEDICA Revista de Ciencias Médicas 2017-08-28

Abstract Background In the past two decades, multiple studies have shown an improvement in outcomes of inflammatory bowel disease (IBD) patients including a decreasing mortality associated with new treatments, surveillance, and healthcare support. There are no large Latin-American countries addressing survival death causes IBD patients. We aimed to assess relative (RS) Chilean Methods treated tertiary reference centre (Pontificia Universidad Católica Chile, Santiago, Chile) since January...

10.1093/ecco-jcc/jjad212.1263 article EN Journal of Crohn s and Colitis 2024-01-01

Gastric infection by Helicobacter pylori has a variable prevalence worldwide. In Latin America, it can exceed 50% of infected people. It is associated with peptic ulcer, gastric cancer, MALT lymphoma, immune thrombocytopenic purpura, among other pathologies. There no optimal diagnostic method, and its presence be detected both invasive methods that require an upper gastrointestinal endoscopy, non-invasive methods. Within the invasive, we have rapid urease test, histology, molecular tests...

10.52787/agl.v52i1.176 article EN cc-by-nc-sa Acta gastroenteorológica latinoamericana/Acta gastroenterológica latinoamericana 2022-03-30

Goodpasture Syndrome is described as a single episode disease entity. It diagnosed with the demonstration of antiglomerular basement (anti-GBM) antibodies in plasma or renal tissue. Although recurrence anti-GBM rare, it has been reported up to 3% cases. Recurrence negative even less frequent We report 63 years old male whom recurred without detectable plasma, despite having positive at onset.

10.4067/s0034-98872019000300390 article EN Revista médica de Chile 2019-03-01

Pancreatic metastases of papillary thyroid carcinoma (PTC) are exceptional. We report a 80-year-old man consulting for obstructive jaundice and dysphonia. Abdominal ultrasonography showed biliary dilation abdominal magnetic resonance imaging (MRI) pancreatic head mass 36 mm. A left vocal cord paralysis was confirmed cervical computed tomography (CT) multiple nodules up to 35 mm associated with bilateral lymph nodes (LN). Positron emission ( 18 F-FDG PET/CT) evidenced hyper-metabolic activity...

10.4067/s0034-98872020000701025 article EN Revista médica de Chile 2020-07-01
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