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Baclofen and Alcohol-Dependent Patients: A Real Risk of Severe Self-Poisoning
David Boels1,2, Caroline Victorri-Vigneau2,3, Marie Grall-Bronnec2,4
1Poison Control Center, Angers University Hospital, Angers, France.
Abstract:
Baclofen is often prescribed in high doses to fight cravings experienced by alcohol-dependent patients. Such an increase in the availability of baclofen is concerning. This study aimed to determine the change in number and profile of self-poisoning with baclofen over time, as baclofen has become increasingly popular, in order to describe the severity of self-poisoning with baclofen and to focus on co-existing alcohol use disorders, and psychiatric illnesses determine predictors of severity. This was a retrospective study of self-poisoning with baclofen as reported by the western France Poison Control Center (PCC), which represents a population of more than 12 million people from January 2008 to March 2014. One hundred and eleven cases of self-poisoning with baclofen were reported to the western France PCC (62 males and 49 females; average age 39 ± 12). Poisoning severities were as follows: 'null' (nine cases), 'minor' (37 cases), 'moderate' (19 cases) and 'high' (46 cases, including four deaths). The most frequently reported symptoms were neurological (45%) and cardiovascular (27%). The severity was significantly associated with psychiatric disorders (OR = 2.9; p = 0.03). Baclofen, prescribed in high doses, may lead to severe poisoning, particularly in patients with psychiatric illnesses. Authorities should put forward a new policy for prescribing the drug as a treatment for alcohol dependence.
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