Lara Grau-L?pez, Carlos Roncero, Laia Grau-L?pez, Constanza Daigre, Laia Rodriguez-Cintas, Yasmina Pallares, ?ngel Egido and Miquel Casas
Factors Related to Relapse in Substance-Dependent Patients in Hospital Detoxification: The Relevance of Insomnia
There is a bidirectional relationship between substance use and insomnia. Little has been described about the influence of insomnia on the prognosis of substance-dependent patients. The objective of our study is to describe the prevalence of insomnia during active consumption and hospitalisation for detoxification, and its influence on relapses at 3 and 6 months in substance-dependent patients. We conducted a prospective study of substance-dependence inpatients and performed psychiatric follow-up on an outpatient basis every month over the six months following discharge. Insomnia prior to admission was measured by taking a clinical interview from the patient concerning sleep habits, and during hospital stay using a sleep log filled out by nurse team. Demographic, clinical, diagnostic and therapeutic variables were recorded and a structured clinical interview (SCID) was conducted to assess psychiatric diagnoses. Relapse was deemed to be renewed use of the substance that brought about admission, which was assessed by taking a history
and/or alcohol testing and/or urinalysis.
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