Alfredo Peña

Universidad del Rosario — Colombia

Medicine · Health Sciences

10h-index472citations25works0.02yr avg
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Research Topics

Helicobacter pylori-related gastroenterology studies(13), Eosinophilic Esophagitis(11), Galectins and Cancer Biology(10), Liver Disease and Transplantation(8), Gastroesophageal reflux and treatments(6)

Publications25 total

Mixed Multiple Autoimmune Syndrome Type 3 With Coexistence of Primary Biliary Cholangitis, Inflammatory Myopathy, and Chronic Thyroiditis: A Case Report
Cureus·2025Open Access
Band ligation versus beta-blockers for primary prophylaxis of oesophageal variceal bleeding in children with chronic liver disease or portal vein thrombosis
Cochrane Database of Systematic Reviews·2019· 20 citedOpen Access
Beta-blockers versus placebo or no intervention for primary prophylaxis of oesophageal varices in children
Cochrane Database of Systematic Reviews·2015· 5 cited
Banding ligation versus sclerotherapy for primary prophylaxis of oesophageal varices in children
Cochrane Database of Systematic Reviews·2015· 5 cited
Sclerotherapy versus beta-blockers for primary prophylaxis of oesophageal variceal bleeding in children
Cochrane Database of Systematic Reviews·2015· 4 cited
Sclerotherapy versus sham or no intervention for primary prophylaxis of oesophageal variceal bleeding in children
Cochrane Database of Systematic Reviews·2015· 5 cited
Banding ligation versus sham or no intervention for primary prophylaxis of oesophageal variceal bleeding in children
Cochrane Database of Systematic Reviews·2015· 5 cited
Peptic Ulcer Disease in <i>Helicobacter pylori</i>–Infected Children
Journal of Pediatric Gastroenterology and Nutrition·2014· 22 cited
Banding ligation versus beta-blockers for primary prophylaxis of oesophageal variceal bleeding in children
Cochrane Database of Systematic Reviews·2013· 8 cited
Inverse correlation between allergy markers and Helicobacter pylori infection in children is associated with elevated levels of TGF-β
European Journal of Gastroenterology & Hepatology·2011· 19 citedOpen Access
Marcadores de alergia alimentaria en enfermedad péptica
Revista chilena de pediatría·2009· 3 citedOpen Access
Límites de la cirugía laparoscópica en el tratamiento del tumor renal
Actas Urológicas Españolas·2009· 2 cited
Lack of Diagnostic Utility of Specific Immunoglobulin M in <i>Helicobacter pylori</i> Infection in Children
Journal of Pediatric Gastroenterology and Nutrition·2008· 10 citedOpen Access
Helicobacter pylori Gastritis in Children Is Associated With a Regulatory T-Cell Response
Gastroenterology·2008· 232 citedOpen Access
Relationship between Helicobacter pylori virulence factors and regulatory cytokines as predictors of clinical outcome
Microbes and Infection·2007· 26 citedOpen Access
CagA Antibodies as a Marker of Virulence in Chilean Patients With <i>Helicobacter pylori</i> Infection
Journal of Pediatric Gastroenterology and Nutrition·2003· 1 citedOpen Access
CagA Antibodies as a Marker of Virulence in Chilean Patients With Helicobacter pylori Infection
Journal of Pediatric Gastroenterology and Nutrition·2003· 17 citedOpen Access
Regulatory cytokines in gastric mucosa of Helicobacter pylori-infected children and adults
Gastroenterology·2003Open Access
Nature and extent of gastric lesions in symptomatic Chilean children with Helicobacter pylori -associated gastritis
Acta Paediatrica·2002· 12 cited
Proinflammatory Cytokine Expression in Gastric Tissue From Children With Helicobacter pylori–Associated Gastritis
Journal of Pediatric Gastroenterology and Nutrition·2001· 56 cited
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Frequent Co-authors

Paul R. Harris(12), Ignacio Duarte(9), Ernesto Guiraldes(8), Antonio Rollán(7), Juan Cristóbal Gana(7), Lorena Cifuentes(7), Luis A Villarroel del Pino(7), Carolina Serrano(6), Álex Godoy‐Faúndez(6), Jaime Cerda(6), Francisca Riera(5), Helly Einisman(5), Javiera Torres(4), Romina Torres-Robles(4), Silvana Arenillas(3), Daniela García(3), Paola Viviani(2), M. Nelly Espinosa(2), Rubén Bravo(2), Francisco Larraín(2)