Vancomycin-resistant enterococcal infections in bone marrow transplant recipients

Y Koc1, D R Snydman, D S Schenkein

  • 1Division of Infectious Diseases, New England Medical Center, Tufts University School of Medicine, Boston, MA 02111, USA.

Insights

Vancomycin-resistant Enterococci (VRE) infections are a growing concern in immunocompromised patients. This study reports fatal VRE bacteremia and meningitis in bone marrow transplant recipients, highlighting the need for VRE screening.

Area of Science:

  • Infectious Diseases
  • Hematology
  • Transplantation Medicine

Background:

  • Vancomycin-resistant Enterococci (VRE) infections are increasingly prevalent, particularly in immunocompromised populations.
  • The emergence of VRE in the bone marrow transplantation (BMT) setting poses a significant challenge due to limited effective treatment options.

Observation:

  • This report details two cases of vancomycin-resistant E. faecium bacteremia in patients undergoing BMT.
  • Notably, one case involved the first documented instance of VRE meningitis in this patient population.

Findings:

  • Both patients undergoing matched unrelated donor BMT experienced fatal outcomes.
  • The study highlights the critical need for effective antimicrobial strategies against VRE.

Implications:

  • Routine screening for VRE in high-risk patients, especially BMT candidates, should be considered.
  • Current management strategies for VRE carrier states in BMT candidates require further clarification and development.

Related Concept Videos

Bone Marrow Sampling and Transplants01:22

Bone Marrow Sampling and Transplants

Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
Tissue Transplantation01:24

Tissue Transplantation

Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...