6533b7d4fe1ef96bd1262a5e
RESEARCH PRODUCT
Development of a long-lasting ventricular catheter impregnated with a combination of antibiotics.
Bernd JansenWolfgang KohnenSusanne Teske-keiserChristian Kolbenschlagsubject
Long lastingmedicine.medical_specialtyProsthesis-Related Infectionsmedicine.drug_classAntibioticsBiophysicsBioengineeringQuinolonesCerebral VentriclesBiomaterialschemistry.chemical_compoundSiliconeCatheters IndwellingDrug Delivery SystemsCoated Materials BiocompatibleStaphylococcus epidermidismedicineStaphylococcus epidermidisDrug Implantsbiologybusiness.industrySterilizationbiology.organism_classificationAntimicrobialQuinoloneSurgeryAnti-Bacterial AgentsEquipment Failure AnalysisCatheterSparfloxacinchemistryMechanics of MaterialsCeramics and CompositesEquipment ContaminationDrug Therapy CombinationRifampinbusinessmedicine.drugdescription
A ventricular silicone catheter impregnated with a combination of rifampin and a quinolone was developed in order to prevent ventricular shunt related infections. As model substance for the quinolones we used sparfloxacin, because of its specific physicochemical properties resulting in a quantitative detection also in the presence of a second antibiotic. In our study we focused especially on an optimization of the antibiotic release out of the impregnated catheters in order to develop long lasting devices with a broad antimicrobial spectrum. A release-optimized catheter was tested with an in vitro colonization test and additionally with a method developed to examine the spread of bacteria on a catheter surface. In vitro experiments showed that the impregnated catheters reduce the colonization with Staphylococcus epidermidis for at least 1 year and prevent the spread of bacteria along the catheter surface.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2003-11-01 | Biomaterials |