ICU patients lose helpful gut bacteria within days of hospital admission

The microbiome of patients admitted to the intensive care unit (ICU) at a hospital differs dramatically from that of healthy patients, according to a new study. Researchers analyzing microbial taxa in ICU patients' guts, mouth and skin reported finding dysbiosis, or a bacterial imbalance, that worsened during a patient's stay in the hospital. Compared to healthy people, ICU patients had depleted populations of commensal, health-promoting microbes and higher counts of bacterial taxa with pathogenic strains.

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