Infections in hospitalized patients may be result of their own bacteria: study

Last Update: January 16, 2023, 11:56 IST

These tubes are often used in hospitals to empty the bladder of surgical patients.

This disease is not prevalent in America alone, but has engulfed hospitals around the world.

A study conducted at the Washington University School of Medicine in St. Louis suggests that infections in hospitalized patients may be caused by their own bacteria. Despite maintaining strict hygiene protocols, many admitted patients are suffering from conditions. In the US, about 100,000 people die each year because of the infection they develop after being admitted. This disease is not prevalent in America alone, but has engulfed hospitals around the world.

A surprising source of these bacteria has been identified by researchers at the Washington University School of Medicine: hospitalized patients. Researchers studying rats found that urinary tract infections (UTIs) can develop after sterile tubes, known as catheters, are placed in the urinary tract, even if germs are not initially visible in the bladder. Give

These tubes are often used in hospitals to empty the bladder of surgical patients. According to the researchers, inserting the tube into the mice caused the bladder cells to release secreted Acinetobacter baumannii bacteria, which then multiplied and caused UTIs.

The findings, released Jan. 11 in Science Translational Medicine, indicate that screening patients for latent reservoirs of harmful bacteria could enhance current infection-control strategies and aid in the prevention of deadly diseases.

According to Mario Feldman, PhD, a professor of molecular microbiology and a co-senior author, even after sterilizing the entire hospital, A. baumannii strains may still emerge. According to the research group, the cleanup is inadequate, and no one understands why. Patients may unknowingly bring bacteria with them into the hospital, which has implications for infection management.

Mario Feldman suggested that doctors could try to identify if the patient had any germs and treat them before surgery. This will reduce the chances of getting any of these deadly diseases.

Hospitalized patients a. baumannii, which often causes UTIs in catheter users, pneumonia in ventilator users, and bloodstream infections in those who have central-line catheters in their veins. Such infections are difficult to treat and have a high chance of death because the bacteria are notoriously resistant to many types of drugs.

Escherichia coli is the bacterium that most commonly causes UTIs in otherwise healthy individuals (E. coli). According to research, after a UTI is under control, E. coli can remain dormant in the cells of the bladder for months and can then cause a recurrence.

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