Legionnaires’ disease outbreak linked to hospital’s decorative fountain

 

Chicago, Illinois, USA (January 9, 2012) – A 2010 outbreak of Legionnaires’ disease in Wisconsin has been linked to a decorative fountain in a hospital lobby, according to a study published in the February issue of Infection Control and Hospital Epidemiology, the journal of the Society for Healthcare Epidemiology of America.

When the outbreak of Legionnaires’ disease was detected among eight people in southeast Wisconsin, state and local public health officials worked closely with hospital staff to launch an investigation to determine the source of the outbreak. Legionnaires’ disease is a severe and potentially life-threatening form of pneumonia caused by the bacteria Legionella and is spread through inhalation contact with contaminated water sources.

 

Through detailed interviews with patients, officials identified one hospital as the site of the contamination. Subsequent environmental testing within the hospital detected notable amounts of Legionella in samples collected from the "water wall" decorative fountain located in the hospital’s main lobby.

 

The investigation revealed that all eight patients had spent time in the main lobby where the fountain is located. This, along with the proximity of each patient’s onset of illness and the degree of Legionella contamination in the fountain strongly support the conclusion that the decorative fountain was the source of the outbreak. Hospital officials quickly shut down the fountain when it was first suspected as a source, and notified staff and approximately 4,000 potentially exposed patients and visitors. Prior to the investigation, the decorative fountain underwent routine cleaning and maintenance.

 

All eight patients in the Wisconsin outbreak recovered from the disease, and no cases occurred following the shutdown of the fountain.

 

The outbreak is notable since none of the patients with Legionnaires’ disease was an inpatient at the hospital when exposed. And some patients reported only incidental exposure to the fountain, such as delivering a package or visiting the hospital pharmacy.

 

At the time of the outbreak there was no published information on the effectiveness of fountain disinfection and maintenance procedures to reduce the risks of Legionella contamination.

 

"Since our investigation, the Wisconsin Division of Public Health has developed interim guidelines advising healthcare facilities with decorative fountains to establish strict maintenance procedures and conduct periodic bacteriologic monitoring for Legionella," said Thomas E. Haupt, MS, an epidemiologist with the Wisconsin Division of Public Health and the study’s lead author. "The guidelines stress that until additional data are available that demonstrate effective maintenance procedures for eliminating the risk of Legionella transmission from indoor decorative water fountains in healthcare settings, water fountains of any type should be considered at risk of becoming contaminated with Legionella bacteria."

 

Since this investigation, many healthcare facilities in Wisconsin shut down or removed decorative fountains in their facilities, while others enhanced their regular testing protocols to reduce the risk of Legionnaires’ disease, the researchers report. Healthcare facility construction guidelines published after this outbreak stipulate that, "fountains and other open decorative water features may represent a reservoir for opportunistic human pathogens; thus they are not recommended for installation within any enclosed spaces in healthcare facilities."

 

 

Thomas E. Haupt, Richard T. Heffernan, James J. Kazmierczak, Henry Nehls-Lowe, Bruce Rheineck, Christine Powell, Kathryn K. Leonhardt, Amit S. Chitnis, and Jeffrey P. Davis, "An outbreak of Legionnaires disease associated with a decorative water wall fountain in a hospital." Infection Control and Hospital Epidemiology 33:2 (February 2012).

 

Published through a partnership between the Society for Healthcare Epidemiology of America and The University of Chicago Press, Infection Control and Hospital Epidemiology provides original, peer-reviewed scientific articles for anyone involved with an infection control or epidemiology program in a hospital or healthcare facility. ICHE is ranked 15 out of 140 journals in its discipline in the latest Journal Citation Reports from Thomson Reuters.

 

SHEA is a professional society representing more than 2,000 physicians and other healthcare professionals around the world with expertise in healthcare epidemiology and infection prevention and control. SHEA’s mission is to prevent and control healthcare-associated infections and advance the field of healthcare epidemiology. The society leads this field by promoting science and research and providing high-quality education and training in epidemiologic methods and prevention strategies. SHEA upholds the value and critical contributions of healthcare epidemiology to improving patient care and healthcare worker safety in all healthcare settings. Visit SHEA online at www.shea-online.org

 

 


Quelle: Society for Healthcare Epidemiology of America, 09.01.2012 (tB).

MEDICAL NEWS

Inadequate sequencing of SARS-CoV-2 variants impedes global response to COVID-19
New meta-analysis finds cannabis may be linked to development of…
New guidance on how to diagnosis and manage osteoporosis in…
Starting the day off with chocolate could have unexpected benefits
Better mental health supports for nurses needed, study finds

SCHMERZ PAINCARE

Versorgung verbessern: Deutsche Gesellschaft für Schmerzmedizin fordert die Einführung des…
Pflegeexpertise im Fokus: Schmerzmanagement nach Operationen
Versorgung verbessern: Bundesweite Initiative der Deutschen Gesellschaft für Schmerzmedizin zu…
Jedes vierte Kind wünscht bessere Schmerzbehandlung
Lebensqualität von Patienten in der dauerhaften Schmerztherapie mit Opioiden verbessern

DIABETES

Bundestag berät über DMP Adipositas: DDG begrüßt dies als Teil…
Mit der Smartwatch Insulinbildung steuern
Verbände fordern bessere Ausbildung und Honorierung von Pflegekräften für Menschen…
Minimalinvasive Geräte warnen ungenügend vor Unterzuckerung
Typ-1-Diabetes und Hashimoto-Thyreoiditis treten häufig gemeinsam auf

ERNÄHRUNG

Wie eine Diät die Darmflora beeinflusst: Krankenhauskeim spielt wichtige Rolle…
DGEM plädiert für Screening und frühzeitige Aufbautherapie: Stationäre COVID-19-Patienten oft…
Führt eine vegane Ernährungsweise zu einer geringeren Knochengesundheit?
Regelmässiger Koffeinkonsum verändert Hirnstrukturen
Corona-Erkrankung: Fehl- und Mangelernährung sind unterschätze Risikofaktoren

ONKOLOGIE

Anti-Myelom-Therapie mit zusätzlich Daratumumab noch effektiver
Positive Ergebnisse beim fortgeschrittenen Prostatakarzinom: Phase-III-Studie zur Radioligandentherapie mit 177Lu-PSMA-617
Lymphom-News vom EHA2021 Virtual. Alle Berichte sind nun online verfügbar!
Deutsch-dänisches Interreg-Projekt: Grenzübergreifende Fortbildungskurse in der onkologischen Pflege
Sotorasib: Neues Medikament macht Lungenkrebs-Patienten Hoffnung

MULTIPLE SKLEROSE

NMOSD-Erkrankungen: Zulassung von Satralizumab zur Behandlung von Jugendlichen und Erwachsenen
Verzögerte Verfügbarkeit von Ofatumumab (Kesimpta®)
Neuer Biomarker bei Multipler Sklerose ermöglicht frühe Risikoeinschätzung und gezielte…
Multiple Sklerose beginnt oft lange vor der Diagnose
Goldstandard für Versorgung bei Multipler Sklerose

PARKINSON

Meilenstein in der Parkinson-Frühdiagnose
Parkinson-Erkrankte besonders stark von Covid-19 betroffen
Gangstörungen durch Kleinhirnschädigung beim atypischen Parkinson-Syndrom
Parkinson-Agenda 2030: Die kommenden 10 Jahre sind für die therapeutische…
Gemeinsam gegen Parkinson: bessere Therapie durch multidisziplinäre Versorgung