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Chapter 122 : Six-Month Experience of Silver-Hydrogen Peroxide Treatment for Control in Two Nursing Home Water Systems

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Six-Month Experience of Silver-Hydrogen Peroxide Treatment for Control in Two Nursing Home Water Systems, Page 1 of 2

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Abstract:

Different methods have been applied to control in water systems such as copper-silver ionization, chlorine dioxide, thermal treatments, hyperchlorination, UV radiation. In this chapter, authors evaluated the efficacy of a continuous system based on a silver-hydrogen peroxide mixture in two nursing home water systems. Recent studies showed a decline of Legionnaire's disease (LD) in health care facility-acquired cases where environmental monitoring of the water system and installation of a disinfection method were performed. Therefore, when the plumbing system is heavily contaminated by , it is important to apply control measures to reduce colonization and infection risk. Studies on the efficacy of the silver-hydrogen peroxide disinfection system are currently lacking, and to our knowledge, the present study is the first reported for control in hot water systems. In vitro studies demonstrated that hydrogen peroxide is a weak disinfectant in the absence of a catalyst. The combined action of hydrogen peroxide with silver as the catalyst characterize the disinfection power of the mixture used in this study. Results of this study, although preliminary, show that such disinfection systems can effectively control water system colonization even if some increase of levels at distal sites is observed.

Citation: Ricci M, Dell’Eva I, Scaturro M, Baruchelli P, De Ponte G, Losardo M, Ottaviani M, Guizzardi F. 2006. Six-Month Experience of Silver-Hydrogen Peroxide Treatment for Control in Two Nursing Home Water Systems, p 505-508. In Cianciotto N, Kwaik Y, Edelstein P, Fields B, Geary D, Harrison T, Joseph C, Ratcliff R, Stout J, Swanson M (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555815660.ch122

Key Concept Ranking

Hydrogen Peroxide
0.71296304
Chlorine Dioxide
0.537037
Pseudomonas aeruginosa
0.5185185
0.71296304
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Figures

Image of FIGURE 1
FIGURE 1

Effect of the continuous silver-hydrogen peroxide treatment in nursing home A’s hot water system. Shock treatment was performed on November 30; on November 14 the continuous treatment was installed.

Citation: Ricci M, Dell’Eva I, Scaturro M, Baruchelli P, De Ponte G, Losardo M, Ottaviani M, Guizzardi F. 2006. Six-Month Experience of Silver-Hydrogen Peroxide Treatment for Control in Two Nursing Home Water Systems, p 505-508. In Cianciotto N, Kwaik Y, Edelstein P, Fields B, Geary D, Harrison T, Joseph C, Ratcliff R, Stout J, Swanson M (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555815660.ch122
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Image of FIGURE 2
FIGURE 2

Effect of the continuous silver-hydrogen peroxide treatment in nursing home B’s hot water system, switched on November 14.

Citation: Ricci M, Dell’Eva I, Scaturro M, Baruchelli P, De Ponte G, Losardo M, Ottaviani M, Guizzardi F. 2006. Six-Month Experience of Silver-Hydrogen Peroxide Treatment for Control in Two Nursing Home Water Systems, p 505-508. In Cianciotto N, Kwaik Y, Edelstein P, Fields B, Geary D, Harrison T, Joseph C, Ratcliff R, Stout J, Swanson M (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555815660.ch122
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References

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