Fw: Effect of probiotic bacteria on silicone rubber voice prostheses

[Guest guest]

Very, very interesting, in light of the systemic candida issue and breast

implant victims.....

Patty

----- Original Message -----

From: " Ilena Rose " <ilena@...>

<Recipient List Suppressed:>

Sent: Tuesday, March 20, 2001 6:34 PM

Subject: Effect of probiotic bacteria on silicone rubber voice prostheses

>

http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=10933256 & form=6 & db=m

& Dop

> t=r

>

> J Med Microbiol 2000 Aug;49(8):713-8 Related Articles, Books

>

> Effect of probiotic bacteria on prevalence of yeasts in oropharyngeal

> biofilms on silicone rubber voice prostheses in vitro.

>

> van der Mei HC, Free RH, Elving GJ, Van Weissenbruch R, Albers FW,

Busscher HJ

> Department of Biomedical Engineering, University of Groningen, The

> Netherlands. h.c.van.der.mei@...

>

> The proliferation of yeasts in the mixed bacterial and fungal biofilms

> colonising silicone rubber voice prostheses in laryngectomised patients is

> the main cause of malfunctioning of the valve mechanism on the oesophageal

> side of the prostheses. Indwelling voice prostheses usually have to be

> replaced every 3-4 months. The consumption of probiotic bacteria is

> largely motivated by health claims related to the urogenital and lower

> digestive tract, but not to the upper digestive tract. The present study

> examined the influence of probiotic bacteria on the prevalence of yeasts

> in oropharyngeal biofilms on silicone rubber voice prostheses, as formed

> in a modified Robbins device. Exposure of oropharyngeal biofilms on voice

> prostheses to suspensions of Bifidobacterium infantis 420 or Enterococcus

> faecium 603 did not significantly reduce the number of yeasts in the

> biofilm. However, suspensions of Lactobacillus fermentum B54, L. rhamnosus

> 744 or L. lactis cremoris SK11 led to a reduction in the number of yeasts

> harvested from the voice prostheses. Suspensions of L. casei Shirota and

> Streptococcus thermophilus B significantly reduced the number of yeasts in

> the biofilm to 39% and 33%, respectively. The reduction brought about in

> yeast prevalence in the mixed biofilm was greatest by exposure to a

> suspension of L. lactis 53, with yeast prevalence only 4% of the control.

> In conclusion, the study demonstrated that the prevalence of yeasts in

> oropharyngeal biofilms on silicone rubber voice prostheses might be

> controlled by consumption of probiotic bacteria.

>

>