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Infection in bone marrow transplant recipients
The American Journal of Medicine
|July 28, 1986
Summary
Infection risk in marrow transplant patients depends on immune status and graft-versus-host disease (GVHD). Prevention strategies like protective environments and targeted prophylaxis are crucial for managing bacterial, fungal, and viral infections.
Area of Science:
- Immunology
- Transplantation Medicine
- Infectious Diseases
Background:
- Infection is a major complication following marrow transplantation.
- Patient immune status and graft-versus-host disease (GVHD) significantly influence infection risk.
- Early post-transplant infections are often bacterial/fungal, while later infections can be viral, fungal, or protozoal.
Purpose of the Study:
- To outline the key factors determining infection risk in marrow transplant recipients.
- To describe the spectrum of infections encountered after marrow transplantation.
- To review current infection prevention strategies.
Main Methods:
- Review of existing literature on infection in marrow transplant recipients.
- Analysis of risk factors including neutropenia, GVHD, and immune status.
- Evaluation of infection prevention modalities.
Main Results:
- Profound neutropenia and disrupted barriers are primary risks for early bacterial/fungal infections.
- Graft-versus-host disease (GVHD) is a major determinant of later infections, particularly cytomegalovirus (CMV).
- Common infections include CMV, Aspergillus, Candida, and coagulase-negative Staphylococcus.
Conclusions:
- Infection risk is dynamic, evolving with the patient's immune recovery and GVHD status.
- Preventive measures such as protective environments, seronegative blood products, and prophylactic antibiotics (e.g., trimethoprim/sulfamethoxazole) are essential.
- Effective infection control requires a multifaceted approach tailored to the patient's specific post-transplant phase and clinical condition.