Dutch research has revealed that bone cement containing antibiotics can effectively control infections around prostheses but only during the first few days after the implantation. For the past 30 years bone cement, which affixes hip and knee prostheses to the bone, has contained antibiotics and from the start, the usefulness of this has been contested.
In a laboratory set-up, Hans Hendriks discovered that in the immediate vicinity of the antibiotic-containing bone cement, the antibiotic concentrations are particularly high. However, this is predominantly during the first few days after the application of the cement and the long-term release of the antibiotic seems to be less effective.
Hendriks investigated the release of antibiotics under simulated real-life conditions. He first of all investigated the antibiotic concentration in the cavity between the surface of the bone and the bone cement. In the human body this cavity is about 0.2 mm wide.
Sonja Jacobs | alfa
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