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1.
Rev Esp Enferm Dig ; 100(5): 278-84, 2008 May.
Article in Spanish | MEDLINE | ID: mdl-18662080

ABSTRACT

INTRODUCTION: reexposure to a causal agent represents a potentially serious event in hepatotoxicity. OBJECTIVES: to assess the characteristics and outcome of cases with positive reexposure. MATERIAL AND METHODS: a retrospective study of cases with evidence of positive reexposure included in Registro Español de Hepatopatías Asociadas a Medicamentos, and an analysis of their relation to demographic and clinical variables, causality, course, and consequences. RESULTS: of a total of 520 cases 31 (6%) met reexposure criteria. Fatal outcomes, needs for admission, and mean recovery time were all higher for hepatocellular-type toxic injury. The most commonly identified drug class was antibiotics. On most occasions (73%) reexposure to the causal compound escaped notice because of: absence of index case diagnosis, lack of information to patients and their physicians, and (12%) development of cross reactions between structurally similar drugs. CONCLUSIONS: accidental reexposure to a drug or a structurally-related compound after an initial hepatotoxicity event is common and may have serious consequences, particularly in hepatocellular-type toxicity. Careful history taking and reflecting diagnostic suspicion in the initial episode s record may reduce the incidence of this iatrogenic event.


Subject(s)
Chemical and Drug Induced Liver Injury/epidemiology , Chemical and Drug Induced Liver Injury/etiology , Adolescent , Adult , Aged , Drug-Related Side Effects and Adverse Reactions , Female , Humans , Male , Middle Aged , Recurrence , Retrospective Studies
2.
Rev. esp. enferm. dig ; 100(5): 278-284, mayo 2008. tab
Article in Es | IBECS | ID: ibc-70961

ABSTRACT

Introducción: la reexposición al agente causal constituye unincidente potencialmente grave en hepatotoxicidad.Objetivos: evaluar las características y la evolución de los casoscon reexposición positiva.Material y métodos: estudio retrospectivo de una serie decasos con evidencia de reexposición positiva incluidos en el RegistroEspañol de Hepatopatías Asociadas a Medicamentos, analizandosu relación con variables demográficas y clínicas, causalidad,evolución y consecuencias.Resultados: de un total de 520 casos, 31 (6%) cumplían loscriterios de reexposición. La evolución fatal, la necesidad de hospitalizacióny el tiempo medio de recuperación fueron mayores enla lesión tóxica de tipo hepatocelular. El grupo farmacológicoidentificado con mayor frecuencia fue el de los antibióticos. En lamayoría de los casos la reexposición con el compuesto responsablefue inadvertida (73%) debido a: la ausencia de diagnóstico delcaso índice, la carencia de información al paciente o a su médicoy también (12%) por el desarrollo de una reacción cruzada entrefármacos estructuralmente similares.Conclusiones: la reexposición accidental a un mismo fármacoo a otro estructuralmente relacionado tras un primer episodiode hepatotoxicidad no es infrecuente y sus consecuencias puedenser graves, especialmente en el tipo de lesión hepatocelular. Unaminuciosa historia clínica y la sospecha diagnóstica reflejada en elinforme del primer episodio podrían disminuir la incidencia deeste evento iatrogénico


Introduction: reexposure to a causal agent represents a potentiallyserious event in hepatotoxicity.Objectives: to assess the characteristics and outcome of caseswith positive reexposure.Material and methods: a retrospective study of cases withevidence of positive reexposure included in Registro Español deHepatopatías Asociadas a Medicamentos, and an analysis of theirrelation to demographic and clinical variables, causality, course,and consequences.Results: of a total of 520 cases 31 (6%) met reexposure criteria.Fatal outcomes, needs for admission, and mean recovery timewere all higher for hepatocellular-type toxic injury. The most commonlyidentified drug class was antibiotics. On most occasions(73%) reexposure to the causal compound escaped notice becauseof: absence of index case diagnosis, lack of information topatients and their physicians, and (12%) development of cross reactionsbetween structurally similar drugs.Conclusions: accidental reexposure to a drug or a structurally-related compound after an initial hepatotoxicity event is commonand may have serious consequences, particularly in hepatocellular-type toxicity. Careful history taking and reflectingdiagnostic suspicion in the initial episode’s record may reduce the incidence of this iatrogenic event (AU)


Subject(s)
Humans , Male , Female , Adolescent , Adult , Middle Aged , Aged , Chemical and Drug Induced Liver Injury/epidemiology , Chemical and Drug Induced Liver Injury/etiology , Drug Therapy/adverse effects , Recurrence , Retrospective Studies
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