Where Do Postoperative Infections Come From?

The bacterial strains and the types of antibiotic resistance involved in the infections are already present in the patient before the operation and are not acquired during hospitalization.The study analyzed a cohort of 204 patients undergoing spinal surgery at Harborview Medical Center in Seattle between September 2019 and November 2020. It is a type of operation in which the incision is"clean" and does not involve entry into the genitourinary, digestive, or respiratory tract.

In 86% of cases , the bacteria causing postoperative infections are entirely similar, genetically, to those present before the operation on the patient's body. A similar result was found for antibiotic resistances, which resembled those present in the patients' bacterial community. A subsequent analysis of 59 postoperative infections, from a sample of 1610 operated patients, revealed that none of these infections originated from bacterial strains shared among patients.

The data indicate that most pathogens responsible for postoperative infections come from the bacterial flora of the patient, rather than from environmental contaminations during the surgical intervention.

Acute Bacterial Skin And Skin Structure Infection ABSSSI Skin And Soft Tissue Infection Patient Safety Bacterial Skin Infection Bacterial Infection Of The Skin Postoperative Infection Postoperative Otolaryngology ENT Specialty Head And Neck Surgery ENT Speciality Bacteria Bacterial Infection Antibiotics Antibiotic Resistance Resistance To Antibiotics

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