Bacterial infection often causes clinical complications and failure of indwelling medical devices. This is a major problem of current ureteral stents, which are used clinically to treat the blockage of ureteral canals. This study investigates the effectiveness and applicability of magnesium as a novel biodegradable ureteral stent material that has inherent antimicrobial properties. Incubating Escherichia coli with the magnesium samples showed a decrease in the bacterial cell density as compared with the currently used commercial polyurethane stent. Magnesium degradation in the immersion solutions (artificial urine, luria bertani broth, and deionized water) resulted in an alkaline pH shift. Antimicrobial and biodegradation properties of magnesium make it an attractive alternative as next-generation ureteral stent material.
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| http://dx.doi.org/10.1109/EMBC.2012.6346195 | DOI Listing |
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