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Updated: Jul 29, 2025

Trans-vivo Delayed Type Hypersensitivity Assay for Antigen Specific Regulation
Published on: May 2, 2013
Antimicrobial Resistance in Organ Transplant Recipients
Maddalena Giannella1, Matteo Rinaldi1, Pierluigi Viale1
1Infectious Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy; Department of Medical and Surgical Sciences, Alma Mater Studiorum University of Bologna, Via Massarenti 11, Bologna 40137, Italy.
Abstract:
The overall burden of the main clinically relevant bacterial multidrug-resistant organisms (MDROs) (eg, methicillin-resistant Staphylococcus aureus, vancomycin-resistant enterococci, extended-spectrum β-lactamase producing or extended-spectrum cephalosporin-resistant Enterobacterales, carbapenem-resistant or carbapenemase-producing Enterobacterales, MDR Pseudomonas aeruginosa, and carbapenem-resistant Acinetobacter baumannii) in solid organ transplant (SOT) populations is summarized showing prevalence/incidence, risk factors, and impact on graft/patient outcome according to the type of SOT. The role of such bacteria in donor-derived infections is also reviewed. As for the management, the main prevention strategies and treatment options are discussed. Finally, nonantibiotic-based strategies are considered as future directions for the management of MDRO in SOT setting.
Insights
Multidrug-resistant organisms (MDROs) pose a significant threat to solid organ transplant (SOT) recipients, impacting graft and patient outcomes. Management strategies, including prevention and novel non-antibiotic approaches, are crucial for this vulnerable population.
Area of Science:
- Infectious Diseases
- Transplantation Medicine
- Microbiology
Background:
- Solid organ transplant (SOT) recipients are highly susceptible to infections.
- Bacterial multidrug-resistant organisms (MDROs) represent a growing clinical challenge in SOT populations.
- Key MDROs include MRSA, VRE, ESBL-producing Enterobacterales, CRE, MDR P. aeruginosa, and CR A. baumannii.
Purpose of the Study:
- To summarize the burden of MDROs in SOT recipients, including prevalence, incidence, and risk factors.
- To review the impact of MDROs on graft and patient outcomes across different SOT types.
- To explore the role of MDROs in donor-derived infections and discuss management strategies.
Main Methods:
- Comprehensive literature review and data synthesis.
- Analysis of prevalence, incidence, risk factors, and outcomes related to MDROs in SOT.
- Review of donor-derived infections and current/emerging management strategies.
Main Results:
- MDROs significantly increase morbidity and mortality in SOT recipients.
- Specific MDROs have varying impacts depending on the type of SOT.
- Donor-derived infections are a critical transmission route for MDROs.
Conclusions:
- Effective prevention and treatment of MDROs are essential for improving SOT outcomes.
- Current management involves antibiotic strategies, but challenges remain.
- Non-antibiotic-based strategies offer promising future directions for MDRO control in SOT.
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