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Corsi Sotelo Ó, Pizarro Rojas M, Rollán Rodríguez A, Silva Figueroa V, Araya Jofré R, Bufadel Godoy ME, Cortés González P, González Donoso R, Fuentes López E, Latorre Selvat G, Medel-Jara P, Reyes Placencia D, Pizarro Véliz M, Garchitorena Marqués MJ, Zegers Vial MT, Crispi Galleguillos F, Espinoza MA, Riquelme Pérez A. Chilean consensus by expert panel using the Delphi technique for primary and secondary prevention of gastric cancer. Gastroenterol Hepatol 2024:S0210-5705(24)00026-8. [PMID: 38311004 DOI: 10.1016/j.gastrohep.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 01/22/2024] [Accepted: 01/26/2024] [Indexed: 02/06/2024]
Abstract
INTRODUCTION Gastric cancer (GC) is the first cause of cancer-related death in Chile and 6th in Latin America and the Caribbean (LAC). Helicobacter pylori (H. pylori) is the main gastric carcinogen, and its treatment reduces GC incidence and mortality. Esophageal-gastro-duodenoscopy (EGD) allows for the detection of premalignant conditions and early-stage GC. Mass screening programs for H. pylori infection and screening for premalignant conditions and early-stage GC are not currently implemented in LAC. The aim of this study is to establish recommendations for primary and secondary prevention of GC in asymptomatic standard-risk populations in Chile. METHODS Two on-line synchronous workshops and a seminar were conducted with Chilean experts. A Delphi panel consensus was conducted over 2 rounds to achieve>80% agreement on proposed primary and secondary prevention strategies for the population stratified by age groups. RESULTS 10, 12, and 12 experts participated in two workshops and a seminar, respectively. In the Delphi panel, 25 out of 37 experts (77.14%) and 28 out of 52 experts (53.85%) responded. For the population aged 16-34, there was no consensus on non-invasive testing and treatment for H. pylori, and the use of EGD was excluded. For the 35-44 age group, non-invasive testing and treatment for H. pylori is recommended, followed by subsequent test-of-cure using non-invasive tests (stool antigen test or urea breath test). In the ≥45 age group, a combined strategy is recommended, involving H. pylori testing and treatment plus non-invasive biomarkers (H. pylori IgG serology and serum pepsinogens I and II); subsequently, a selected group of subjects will undergo EGD with gastric biopsies (Sydney Protocol), which will be used to stratify surveillance according to the classification Operative Link for Gastritis Assessment (OLGA); every 3 years for OLGA III-IV and every 5 years for OLGA I-II. CONCLUSION A "test-and-treat" strategy for H. pylori infection based on non-invasive studies (primary prevention) is proposed in the 35-44 age group, and a combined strategy (serology and EGD) is recommended for the ≥45 age group (primary and secondary prevention). These strategies are potentially applicable to other countries in LAC.
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Affiliation(s)
- Óscar Corsi Sotelo
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Margarita Pizarro Rojas
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Antonio Rollán Rodríguez
- Unidad de Gastroenterología, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Verónica Silva Figueroa
- Instituto Chileno Japonés de Enfermedades Digestivas, Hospital Clínico San Borja-Arriarán, Departamento de Medicina Centro, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Raúl Araya Jofré
- Unidad de Gastroenterología y Endoscopia, Hospital Militar de Santiago, Santiago, Chile; Centro de Enfermedades Digestivas, Clínica Universidad de Los Andes, Santiago, Chile
| | | | - Pablo Cortés González
- Unidad de Gastroenterología, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Robinson González Donoso
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Eduardo Fuentes López
- Departamento de Ciencias de la Salud, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Gonzalo Latorre Selvat
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Patricio Medel-Jara
- Departamento del Adulto y Senescente, Escuela de Enfermería, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile; Programa de Farmacología y Toxicología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile; Programa Doctorado en Epidemiología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Diego Reyes Placencia
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Mauricio Pizarro Véliz
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | | | - María Trinidad Zegers Vial
- Departamento de Medicina Familiar, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | | | - Manuel A Espinoza
- Departamento de Salud Pública, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile; Centro Científico de Excelencia UC: Centro para la Prevención y el Control del Cáncer - CECAN, Pontífica Universidad Católica de Chile, Santiago, Chile
| | - Arnoldo Riquelme Pérez
- Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile; Centro Científico de Excelencia UC: Centro para la Prevención y el Control del Cáncer - CECAN, Pontífica Universidad Católica de Chile, Santiago, Chile.
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