Methadone treatment: relationship between dose and retention / Tratamiento con metadona: relación entre dosis y retención
DOI:
https://doi.org/10.21134/haaj.v3i1.154Abstract
INTRODUCCIÓN: Durante la ultima década los tratamientos con metadona han sufrido un gran desarrollo hasta consolidarse como uno de los recurso terapéuticos más útiles y eficaces. En el presente trabajo se presenta la retención como criterio de valoración de la eficacia del tratamiento de mantenimiento con metadona realizado en una Unidad de Conductas Adictivas.
PACIENTES Y MÉTODO: Se han seguido durante dos años 136 pacientes que se han incorporado a tratamiento de mantenimiento con metadona durante el periodo 1998-1999. Se ha realizado para la valoración de la retención la curva de Kaplan y Meier. Se ha analizado la relación entre la dosis y la retención, mediante ANOVA de un factor.
RESULTADOS: La dosis media durante 1998 fue de 45,6 mg y en 1999 fue de 50,9 mg. La retención fue del 92% a los 20 meses de seguimiento. No se obtuvo relación entre la dosis y la permanencia o abandono del tratamiento.
DISCUSIÓN: Las dosis de metadona utilizadas se consideran bajas. Sin embargo, los pacientes siguen vinculados de modo mayoritario al tratamiento. La retención no solo se debe a la dosis administrada si no también a otros factores relacionadas con la organización y estrategia del tratamiento.
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Abstract
INTRODUCTION: Methadone treatment has undergone great development, to the point of becoming one of the most useful and efficient therapeutic resources. This work presents retention as evaluation criteria of the efficiency of the methadone treatment.
PATIENTS AND METHOD: Monitoring was carried out for a period of two years on 136 methadone treated patients during the 1998-1999 period. Kaplan and Meier curve was used to evaluate retention. The relationship between dosage and retention has been analysed via ANOVA.
RESULTS: The 1998 average dosage was 45.6 mg, and the average dosage was 50.9 mg. Retention was 92% registered following 20 months of monitoring. No relation was discovered between dosage and permanence within or out of treatment.
DISCUSSION: The methadone dosage employed was considered to be low. Nevertheless, the majority of the patients remained at treatment. Retention is not only based on the dosage administered, but also in other factors related with organisation and strategy of treatment.
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