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  • Title: [Serum and bronchial concentrations of amoxicillin administered with a bronchial fluidizer].
    Author: Concia E, Dos Santos C, Marone P, Sardi C, Cremaschi P.
    Journal: Boll Ist Sieroter Milan; 1982 Mar; 61(1):64-70. PubMed ID: 7126331.
    Abstract:
    The authors compared the serum and bronchial concentration of amoxycillin administered alone and in association with carboxymethylcysteine. The determinations were carried out in 10 patients affected with exacerbated acute and chronic bronchopneumopathies, treated first with amoxycillin alone (15 g/day in 3 administrations) and then with amoxycillin at the same dosage and carboxymethylcysteine (450 mg/day in 3 administrations). The bronchial secretions were collected during bronchoscopy performed 2 hours after the last administration of antibiotic. The bronchial secretion values of amoxycillin administered alone varied from 0.92 mcg/ml to 1.88 mcg/ml with a mean value of 1.44 mcg/ml. The percentage ratio between levels in bronchial secretion and levels in the serum varied from 12.7 to 36.1 with a mean value of 23.2. The administration of the amoxycillin-fluidizing agent association determined a statistically significant increase of the antibiotic levels in the bronchial secretions, varying from 1.26 mcg/ml to 6.39 mcg/ml, with a percentage ratio from 19.6 to 103.0.
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