Superbugs crawling their way out of hospitals

Drug-resistant strains that have a high mortality rate — cases of which were usually seen among people that had recently been to a hospital — are now spreading to people who have had no contact with any healthcare centre for over three months, a recent study has revealed. 

The author of the study said: “The distinction between community-acquired and hospital-acquired infections is becoming increasingly blurred. The main reasons for this are the spread of classically ‘hospital’ strains, particularly resistant Klebseilla and E. Coli, into the community and vice versa, and the repeated admission of individuals to hospitals with long-standing underlying diseases.

Building resistance

“In addition, the contribution of antibiotic resistance to the community through easily available antibiotics often used without medical supervision has resulted in an increasing reservoir of potential infections,” said the Dr. 

He added that resistance to high-end antibiotics by organisms contracted by patients in the community “is a cause for worry and needs further research and proper action plan”.

Infections due to multi-drug resistant organisms have become a serious health concern worldwide.
The study — Association of high mortality with extended-spectrum Beta-lactamase (ESBL) positive cultures in community acquired infections — was conducted to investigate the spectrum of microbial resistance pattern in the community and their effects on mortality.

The study notes that infections due to multi-drug resistant organisms, particularly those producing extended-spectrum Beta-lactamases, are of major concern worldwide.

New generation

ESBLs are organisms that are resistant to various newer-generation antibiotics and can be easily transferred to the community.

These resistant infections pose therapeutic challenges to clinicians in the treatment of these patients and may therefore be associated with high morbidity and mortality.

“The striking point noted in our results is the emergence of E.coli as most common bacteria in the community causing bacteraemia, respiratory and urinary tract infection and higher mortality in ESBL positive producers as compared to ESBL negative producers,” said the Dr. 

Among the 201 patients studied, 63.44% who contracted E. coli were ESBL producers.

Trickling into society

This reflects the increased resistance pattern to high-end antibiotics in Hospital-Acquired Infections due to inadvertent early use of third-generation Beta-lactam antibiotics, such as cephalosporins, which is further trickling over into the community because of “plasmid mediated transfer of its genetic materials during conjugation”, noted the study. 

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