Archive for February 10, 2018

REVIEW – Environmental cleaning and disinfection of patient areas

International Journal of Infectious Diseases Ferbuary 2018 V.67 P.52–57

Michelle Doll, Michael Stevens, Gonzalo Bearman

Abstract

The healthcare setting is predisposed to harbor potential pathogens, which in turn can pose a great risk to patients.

Routine cleaning of the patient environment is critical to reduce the risk of hospital-acquired infections.

While many approaches to environmental cleaning exist, manual cleaning supplemented with ongoing assessment and feedback may be the most feasible for healthcare facilities with limited resources.

abstract

http://www.ijidonline.com/article/S1201-9712(17)30270-9/fulltext

PDF

http://www.ijidonline.com/article/S1201-9712(17)30270-9/pdf

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February 10, 2018 at 9:18 am

Seroprevalence and risk factors of Hepatitis E infection in Jordan’s population: First report

International Journal of Infectious Diseases January 2018 V.66 P.121–125

Mohammad M. Obaidat, Amira A. Roess

Highlights

  • Seroprevalce, risk factors and zoonotic potential of HEV were studied.
  • HEV antibodies occurs at high prevalence (30.9%) overall in Jordan.
  • HEV infection associates with age and eating undercooked meat.
  • Owning camels increased the odds of HEV seropositivity.

Objectives

Hepatitis E virus (HEV) is hyperendemic in many countries, but data on this virus are not available in Jordan. This study determined the seroprevalence, risk factors and zoonotic potential of HEV in a Jordanian population.

Methods

A total of 450 sera samples from 8 different governorates were tested for HEV-IgG. A pre-tested and validated questionnaire was used to collect risk factor data including animal interaction and environmental exposures.

Results

The overall seroprevalence was 30.9%. Eating undercooked meat was significantly associated with HEV seropositivity (OR = 2.06, 95%CI 1.04–4.06) after controlling for age, gender, travel history and source of water. Age was also associated with HEV seropositivity; the youngest (≤14 years of age) and oldest age groups (60 and 80 years of age) had the highest prevalence (45.5% and 53.2%, respectively), compared to those between 20 to 29 years of age and 30 to 39 years of age (20.2 and 15.2%, respectively), although the small sample size among the youngest group tempers this association. There was evidence of a marginal association between owning camels and an increased odds of HEV seropositivity. Place of residence and source of drinking water were not associated with infection.

Conclusion

This is the first study to report HEV seroprevalence in Jordan and shows that HEV exposure is high in Jordan. Surveillance for acute and chronic Hepatitis E is needed to estimate the frequency of the actual disease.

abstract

http://www.ijidonline.com/article/S1201-9712(17)30297-7/fulltext

PDF

http://www.ijidonline.com/article/S1201-9712(17)30297-7/pdf

February 10, 2018 at 9:14 am

First case of New Delhi metallo-β-lactamase in Klebsiella pneumoniae from Ecuador: An update for South America

International Journal of Infectious Diseases December 2017 V.65 N. P.119–121

Daniel Romero-Alvarez, Jorge Reyes, Viviana Quezada, Carolina Satán, Nelson Cevallos, Sofía Barrera, Gabriel Trueba, Luis E. Escobar, José E. Villacís

Highlights

  • The New Delhi metallo-β-lactamase (NDM) resistance plasmid has autochthonous circulation in Ecuador.
  • A Klebsiella pneumoniae ST147 harboring the NDM-1 gene in an IncA/C plasmid is described for the first time in Quito, Ecuador.
  • The circulation of NDM in South America has been addressed mainly by Brazil and Colombia.

Objectives

To describe a clinical case of Klebsiella pneumoniae harboring a New Delhi metallo-β-lactamase (NDM) plasmid in Ecuador and to present a map of reports of NDM isolates in South America.

Methods

The modified Hodge test, carbapenem inactivation method, imipenem–EDTA disk method (synergy), and Rapidec Carba NP test were used to identify antibiotic resistance mechanisms. The presence of resistance genes was explored with a conjugation assay, and molecular confirmation of NDM was performed by PCR and DNA sequencing. Plasmid characterization was conducted by PCR-based replicon typing. A literature review was performed in Google Scholar and PubMed to identify reports from South America.

Results

An HIV-infected patient, who had never traveled abroad, developed a bloodstream infection caused by K. pneumoniae ST147 harboring the NDM-1 resistance gene in a plasmid from the IncA/C group. Local circulation of NDM has also been described in other South American countries, in particular in Colombia and Brazil, although published scientific records were not found for other countries.

Conclusions

This report presents the first evidence of autochthonous circulation of the NDM-1 resistance gene harbored by an IncA/C plasmid isolated from a K. pneumoniae ST147 in Ecuador. Efforts should be implemented to monitor and characterize the spatial and temporal distribution of NDM in Ecuador and other countries of South America.

abstract

http://www.ijidonline.com/article/S1201-9712(17)30268-0/fulltext

PDF

http://www.ijidonline.com/article/S1201-9712(17)30268-0/pdf

February 10, 2018 at 9:09 am


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