Effect of consumption of dairy products with probiotic bacteria on biofilm formation on silicone rubber implant surfaces in an artificial throat

被引:10
作者
Van der Mei, HC
Van de Belt-Gritter, B
van Weissenbruch, R
Dijk, F
Albers, FWJ
Busscher, HJ
机构
[1] Univ Groningen, Dept Biomed Engn, NL-9712 KZ Groningen, Netherlands
[2] Univ Groningen Hosp, Dept Otorhinolaryngol, Groningen, Netherlands
[3] Univ Groningen, Lab Cell Biol & Electronmicroscopy, Groningen, Netherlands
关键词
biofilm; dairy products; probiotics; voice prosthesis;
D O I
10.1205/096030899532303
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Indwelling voice prostheses are most often made of silicone rubber. However, the silicone rubber surface attracts large quantities of yeasts and bacteria and their colonization on the valve side of voice prostheses leads to frequent malfunctioning Indwelling voice prostheses are therefore usually replaced every 3-4 months. Laryngectomized patients have reported that consumption of dairy products containing active probiotic bacteria extend the lifetime of their prostheses. The influence of buttermilk, yoghurt or probiotic bacteria on oropharyngeal biofilm formation on silicone rubber voice prostheses was investigated in a modified Robbins device. The results show that perfusion of the device with the dairy products or probiotic bacteria three times a day for 9 days gives a reduction in biofilm formation: Lactococcus lactis and buttermilk had the greatest effect on the numbers of adhering yeasts, while lactobacilli exhibited no interference.
引用
收藏
页码:156 / 158
页数:3
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