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Transplant infectious disease : an official journal of the Transplantation Society


BACKGROUND: This study seeks to describe inpatient antimicrobial use (AU) utilizing the National Healthcare Safety Network-AU (NHSN-AU) framework among solid organ transplant recipients (SOTr) within 12 months after transplant.

METHODS: This cross-sectional study included SOTr ≥ 18 years of age who underwent transplantation from January 2015 to December 2016 at a Midwestern US transplant center. Inpatient AU was followed for 12 months post-transplant. Hospital days present up to 12 months post-transplant, AU variables, and Clostridioides difficile infection (CDI) occurrences were analyzed.

RESULTS: The cohort of 530 SOTr included 225 kidney (42.5%), 171 liver (32.3%), 45 lung (8.5%), 40 heart (7.5%), 39 multivisceral (7.4%), seven small bowel (1.3%), and three pancreas (0.6%) transplants. Total days of therapy (DOT) were 22 782 among the cohort, with a median of 5 days [interquartile range [IQR], 1-12]. Lung and liver transplants had the most total DOT (6571 vs. 5569 days), while lungs and small bowels had the highest median DOT (13 [IQR, 2-56] vs. 12 [IQR, 2-31]). The facility-wide DOT/1000 days were lowest in pancreas and highest in lung transplants (5.3 vs. 428.1). Small bowel transplants received the most resistant-Gram-positive infection and hospital-onset infection agents for facility-wide DOT/1000 days present. Pancreas and kidney transplants accounted for the most high-risk CDI agents. CDI occurred in 34 patients, with kidney and liver transplants experiencing 13 each.

CONCLUSION: This study represents one of the first reports of AU in SOTr utilizing the NHSN-AU framework. More studies are needed for further peer-to-peer comparison of AU in this complex patient population.

Medical Subject Headings

Anti-Bacterial Agents; Antimicrobial Stewardship; Benchmarking; Clostridioides difficile; Clostridium Infections; Cross-Sectional Studies; Humans; Kidney Transplantation; Organ Transplantation; Retrospective Studies; Transplant Recipients

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