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  • Haemodialysis clearance of baclofen
    Brvar, Miran ...
    Background Baclofen is a centrally acting gamma-aminobutyric acid agonist usedfor spasticity of spinal origin and mainly excreted unchanged by the kidneys. We report haemodialysis clearance and the ... haemodialysis removal rateconstant of baclofen in a comatose patient with baclofen overdose due to acute renal failure. Case report A 60-year-old man with spastic tetraplegia onchronic baclofen therapy was admitted due to pneumonia and acute renal failure. The patient became comatose and, as a result of the baclofen dosage being left unchanged despite a deterioration leading to renal failure due to hypotension, the concentration of baclofen was determined to be in the toxic range (0.70 mg/L). During a 4-hour-long bicarbonate haemodialysis the patient woke up and became completely orientated and cooperative. Baclofen therapy wassubsequently stopped, and the patient remained conscious. The pharmacokinetics calculations revealed a baclofen haemodialysis removal rate constant of 0.152 h(-1) and a haemodialysis clearance of 2.14 mL/s. Conclusions Patients on a stable baclofen regime can develop baclofen toxicitydue to acute renal failure. Haemodialysis removes baclofen as effectively as normal kidneys, and it would appear that haemodialysis is a reasonable treatment modality in patients with accidental baclofen overdose due to acute renal failure.
    Source: European Journal of Clinical Pharmacology. - ISSN 0031-6970 (Letn. 63, št. 12, 2007, str. 1143-1146)
    Type of material - article, component part
    Publish date - 2007
    Language - english
    COBISS.SI-ID - 23459801