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Gastric Cancer ; 23(6): 1051-1063, 2020 11.
Artículo en Inglés | MEDLINE | ID: mdl-32361784

RESUMEN

OBJECTIVE: Helicobacter pylori (HP) is known to play an important role in the development of gastric cancer (GC). The aim of this study was to analyze the effect of HP eradication on the survival rate and cancer recurrence in patients who underwent subtotal gastrectomy for GC. DESIGN: Totally 1,031 patients diagnosed with gastric adenocarcinoma who received surgical treatment at the Seoul National University Bundang Hospital from 2003 to 2017 and positive for HP infection were analyzed. The overall and GC-related survival according to HP eradication were compared; risk factors for GC-specific death and cancer recurrence were analyzed, and propensity score matching (PSM) was performed. RESULTS: Statistically significant benefits of overall and GC-specific survival were observed in the eradicated group compared to the non-eradicated group (P < 0.001), and these benefits were maintained after PSM (P < 0.001) in both of early and advance stage. In Cox proportional hazards multivariate analyses, cancer stage (stage II, adjusted hazard ratio [aHR] = 9.33, P < 0.001; stage III or IV, aHR = 26.17, P < 0.001), and HP positivity (aHR = 3.41, P = 0.001) were independent risk factors for GC-specific death; cancer stage (cancer stage II, aHR = 7.08, P < 0.001; cancer stage III or IV, aHR = 19.64, P < 0.001) and HP positivity (aHR = 2.70; P = 0.005) were independent risk factors for cancer recurrence. CONCLUSION: Our results suggest that HP needed to be conducted more intensively in patients who are surgically treated for GC, regardless of cancer stage.


Asunto(s)
Adenocarcinoma/mortalidad , Gastrectomía/mortalidad , Infecciones por Helicobacter/mortalidad , Helicobacter pylori , Neoplasias Gástricas/mortalidad , Adenocarcinoma/microbiología , Adenocarcinoma/cirugía , Anciano , Femenino , Estudios de Seguimiento , Infecciones por Helicobacter/complicaciones , Humanos , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias , Puntaje de Propensión , Modelos de Riesgos Proporcionales , Estudios Prospectivos , Factores de Riesgo , Neoplasias Gástricas/microbiología , Neoplasias Gástricas/cirugía , Tasa de Supervivencia , Resultado del Tratamiento
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