Dr Bryson-Cahn receives funding from the Gordon and Berry Moore Foundation and is the co-medical director for Alaska Airlines. Health care providers

Infections after surgery are more likely due to bacteria already on your skin than from microbes in the hospital − new research

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2024-04-17 18:30:02

Dr Bryson-Cahn receives funding from the Gordon and Berry Moore Foundation and is the co-medical director for Alaska Airlines.

Health care providers and patients have traditionally thought that infections patients get while in the hospital are caused by superbugs they’re exposed to while they’re in a medical facility. Genetic data from the bacteria causing these infections – think CSI for E. coli – tells another story: Most health care-associated infections are caused by previously harmless bacteria that patients already had on their bodies before they even entered the hospital.

Research comparing bacteria in the microbiome – those colonizing our noses, skin and other areas of the body – with the bacteria that cause pneumonia, diarrhea, bloodstream infections and surgical site infections shows that the bacteria living innocuously on our own bodies when we’re healthy are most often responsible for these bad infections when we’re sick.

Our newly published research in Science Translational Medicine adds to the growing number of studies supporting this idea. We show that many surgical site infections after spinal surgery are caused by microbes that are already on the patient’s skin.