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Inicio Medicina Clínica Eficacia de una terapia secuencial en la erradicación de Helicobacter pylori: c...
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Vol. 115. Issue 16.
Pages 617-619 (January 2000)
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Vol. 115. Issue 16.
Pages 617-619 (January 2000)
Eficacia de una terapia secuencial en la erradicación de Helicobacter pylori: cuádruple terapia con omeprazol, metronidazol, tetraciclina y bismuto tras el fracaso de la combinación de omeprazol, claritromicina y amoxicilina
Efficacy of a multistep strategy for Helicobacter pylori eradication: quadruple therapy with omeprazole, metronidazole, tetracycline and bismuth after failure of combination of omeprazole, clarithromycin and amoxycillin.
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José Baena Díez
Corresponding author
jbaenad@meditex.es

Correspondencia: Sant Miquel, 52, 2.°4.a. 08150 Parets del Vallès. Barcelona.
, Cristina López Mompó, Francesc Rams Rams, Manuel García Lareo, M. Rosario Hernández Ibáñez, José Teruel Gila
Área Básica de Salud Dr. Carles Ribas. Barcelona
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Fundamento

Evaluar la eficacia de una terapia secuencial para erradicar a Helicobacter pylori (HP).

Pacientes y método

Un total de 151 pacientes, con ulcus péptico o gastritis crónica, infectados por HP, tratados (primera etapa) con una combinación de omeprazol (20 mg/12 h), claritromicina (500 mg/12 h) y amoxicilina (1 g/12 h) (OCA) durante una semana y posteriormente (segunda etapa, si fracasaba la erradicación) con una combinación de omeprazol (20 mg/12 h), metronidazol (500 mg/12 h), tetraciclina (500 mg/6 h) y bismuto (120 mg/6 h) (OMTB) durante 14 días.

Resultados

Por intención de tratar se erradicó con OCA en el 78,1% (IC del 95%: 71,6–84,7) y con OMTB en el 90,3% (IC del 95%: 74,2–98), siendo la proporción acumulada del 96,7% (IC del 95%: 92,4–98,9).

Conclusiones

La eficacia de la estrategia estudiada es elevada. La combinación OMTB es una buena opción tras el fracaso de la OCA.

Palabras clave:
Helicobacter pylori
Erradicación
Omeprazol
Claritromicina
Amoxicilina Tetraciclina Metronidazol
Bismuto
Background

To evaluate the efficacy of a multistep strategy for Helicobacter pyori (HP) eradication.

Patients and method

151 patients, with peptic ulcer or chronic gastritis, infected by HP, treated (first-step) with omeprazole (20 mg/12 h), clarithromycin (500 mg/12 h) and amoxycillin (1 g/12 h) for a week (OCA) and second-step (first-step failures) with omeprazole (20 mg/12 h), metronidazole (500 mg/12 h), tetracyclin (500 mg/6 h) and bismuth (120 mg/6 h) for two weeks.

Results

Intention-to-treat analysis, eradication was achieved with OCA in 78.1% (CI 95%: 71.6–84.7) and OMTB in 90.3% (CI 95%: 74.2–98), with an cumulative eradication rate of 96.7% (CI95%: 92.4–98.9).

Conclusions

The efficacy of multistep strategy is high. Therapy with OMTB its a good option after failure with OCA.

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