Evaluation of the effectiveness of the Pastormaster method for disinfection of legionella in a hospital water distribution system

被引：13
|
作者：
Callizo, EFP [1 ]
Sierra, JD [1 ]
Pombo, JMS [1 ]
Baquedano, CE [1 ]
Huerta, BP [1 ]
机构：
[1] Basurto Hosp, Microbiol & Infect Control Serv, Bilbao, Spain
来源：
JOURNAL OF HOSPITAL INFECTION | 2005年 / 60卷 / 02期
关键词：
evaluation studies; use-effectiveness; disinfection; legionella; water supply; hospital; nosocomial infections;
D O I：
10.1016/j.jhin.2004.11.018
中图分类号：
R1 [预防医学、卫生学];
学科分类号：
1004 ; 120402 ;
摘要：
The Pastormaster method consists of heating the water of hospital distribution systems at a specific point to a sufficient temperature for a minimum amount of time to eradicate legionella. The object of this study was to evaluate the effectiveness of the Pastormaster method for legionella disinfection in a hospital environment. A two-phase procedure was performed: hydraulic optimization of the water supply circuit, and implementation of the Pastormaster method. Water samples were taken at 10 representative points in the hospital. hot-water system and cultured microbiologically. Other physical and chemical measurements were also determined. Implementation of the Pastormaster method and correction of the deficiencies identified during a hydraulic system audit confirmed the absence of legionella in the hospital water distribution system. The combination of implementation of the Pastormaster method and conduction of a hydraulic audit designed to identify and remedy any possible problems in water circulation is effective in minimizing the risk of legionella contamination in hospital water distribution systems. (c) 2005 The Hospital Infection Society. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：150 / 158
页数：9
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