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Review
. 2020;7(1):1-11.
doi: 10.1007/s40472-020-00268-0. Epub 2020 Jan 24.

Management of Antimicrobial Agents in Abdominal Organ Transplant Patients in Intensive Care Unit

Aaron Kaviani  1 , Dilek Ince  2 , David A Axelrod  1
Affiliations
Review

Management of Antimicrobial Agents in Abdominal Organ Transplant Patients in Intensive Care Unit

Aaron Kaviani et al. Curr Transplant Rep. 2020.

Abstract

Purpose of review: Early diagnosis of infections and immediate initiation of appropriate antimicrobials are crucial in the management of patients before and after organ transplantation. We reviewed the most recent literature and guidelines in this field and organized the current recommendations for healthcare professionals caring for critically ill organ transplant recipients.

Recent findings: The incidence of multidrug-resistant organisms is increasing. Multidrug-resistant Gram-negative bacteria comprise about 14% of organisms. Vancomycin-resistant enterococci bloodstream infections are also on the rise, as 20.5% of nosocomial enterococci are now vancomycin-resistant, changing empiric antibiotic selection. Fluconazole-resistant Candida species comprise up to 46% of cases of candidemia in hospitalized patients. Consequently, new guidelines recommend primary use of echinocandins in patients with candidemia who have moderate-to-severe disease. Finally, the incidence of emergence of ganciclovir-resistant cytomegalovirus infection in patients is 5-12%, requiring early recognition and change to alternative regimens in the case of poor response to therapy.

Summary: Bloodstream infections are a major cause of mortality and morbidity in solid organ transplantation. Mortality as high as 24% and 50% have been reported with sepsis and septic shock respectively. As such, bloodstream infections should be diagnosed rapidly and intravenous antibiotics should be started immediately. Appropriate resuscitation should be initiated and the number and/or dose of immunosuppressive drugs should be reduced. Proper source control must also be achieved with radiologic drainage or surgical intervention as appropriate. Initial antibiotic treatment of these patients should cover both Gram-positive organisms, especially in the presence of intravascular catheters, and Gram-negative bacteria. Echinocandins like caspofungin should also be considered especially in critically ill patients, particularly if a patient has been on total parenteral nutrition or broad-spectrum antibiotics.

Keywords: Antibacterial agents; Critical care; Infection; Intensive care units; Transplantation; Transplants.

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Conflict of interest statement

Conflict of InterestThe authors declare that they have no conflict of interest.

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