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  • 1
    ISSN: 1432-1041
    Keywords: Flurbiprofen ; sustained-release formulation ; tolerance ; pharmacokinetics ; adverse reaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The pharmacokinetic profile of 200 mg sustained-release flurbiprofen capsules was compared in nine elderly (mean age 84.2 years) and 10 young (mean age 38.1 years) patients with arthritis. After a single capsule, a 48 h plasma concentration profile was performed. The patients then took 1 capsule daily for a further 13 days with plasma levels of the drug being measured pre-dose on alternate days. Following ingestion of the last capsule, a further 48 hour plasma concentration profile was performed. These results were compared with each other and with computer predicted data obtained from dosing with 200 mg conventional flurbiprofen (as 100 mg b.d.). In both young and elderly patients, the two 48 h plasma concentration profiles confirmed the sustained-release characteristics of the capsule. There was no evidence of dose-dumping, although, in one elderly patient with a partial gastrectomy, higher plasma concentrations were observed. Inter- and intra-patient variability was acceptable. A steady-state was achieved within the predicted four days in both groups and there was no evidence of accumulation with the daily dosing interval. A mean steady-state level of approximately 6 μg/ml was achieved for both populations. Computer predicted data for 200 mg conventional flurbiprofen (as 100 mg b.d.) showed a pre-dose/peak range of 1–12 μg/ml. The pre-dose/peak ranges for the young and old patients were 4–10 μg/ml and 4–8 μg/ml respectively. One young patient developed a hypersensitivity reaction of moderate severity; one young and four elderly patients developed a low haemoglobin concentration during the study. No other changes in haematological or biochemical parameters were seen.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-5195
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé. La distraction physaire (chondrodiatasis) est une technique controversée qui a été néanmoins utilisée pour l’allongement et la correction des déformations angulaires des os longs. Le cas présenté ici est celui d’un garçon d’onze ans atteint de dysplasie spondylo-épi-métaphysaire (S.E.M.) qui s’est présenté avec un genu recurvatum sévère au niveau d’une grande lésion kystique métaphysaire du tibia proximal. La correction de la déformation fut faite au moyen d’un fixateur externe d’Ilizarov permettant une distraction physaire progressive. La correction s’est accompagnée d’une disparition complète de la lésion dysplasique, par ossification progressive. A notre connaissance, cette observation n’a pas été rapportée auparavant.
    Notes: Summary. Distraction through the physis (chondrodiatasis) is a controversial technique with unpredictable results. However, it has been used in the past for the lengthening and correction of angular deformities of long bones. We report the case of an 11-year-old patient with spondyloepimetaphyseal dysplasia (SEMD) who presented with a severe recurvatum deformity of the left proximal tibia secondary to collapse of the tibial plateau into a large metaphyseal cystic lesion. Using the chondrodiatasis technique with a percutaneously applied Ilizarov circular frame, we were able to correct this deformity. Surprisingly, healing and ossification of the metaphyseal lesion was simultaneously observed at the end of the treatment, a finding which, to the best of our knowledge, has not been previously reported.
    Type of Medium: Electronic Resource
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