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Generation of Multivirus-specific T Cells to Prevent/treat Viral Infections after Allogeneic Hematopoietic Stem Cell Transplant

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Vancomycin hypersensitivity diagnosed by lymphocyte blast transformation.

Nguyen P Tran¹, Jeremy Katcher, Erin Rohman

¹Allergy/Immunology, Le Bonheur Children's Hospital, Memphis, TN 38103, USA.

Case Reports in Pediatrics

|May 19, 2012

Summary

This summary is machine-generated.

A 15-year-old experienced drug reactions to antibiotics, including vancomycin hypersensitivity. Lymphocyte blast transformation testing diagnosed the allergy and guided safer antibiotic choices for Pott's puffy tumor treatment.

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Area of Science:

Pediatric Nephrology
Clinical Immunology
Infectious Diseases

Background:

Pott's puffy tumor, a complication of sinusitis, can necessitate prolonged antibiotic therapy.
Adverse drug reactions are common during treatment, complicating patient management.
Diagnosing hypersensitivity reactions requires specific immunologic testing.

Observation:

A 15-year-old male with Pott's puffy tumor presented with recurrent fever, rash, eosinophilia, and acute tubulointerstitial nephritis.
Symptoms emerged during treatment with multiple antibiotics, including vancomycin.
Standard diagnostic methods did not immediately identify the causative agent.

Findings:

Lymphocyte blast transformation (LBT) testing demonstrated a specific cellular immune response to vancomycin.
Interferon-gamma (IFN-γ) levels, measured via LBT, confirmed vancomycin hypersensitivity.
This diagnosis allowed for the discontinuation of vancomycin and selection of alternative antibiotics.

Implications:

Lymphocyte blast transformation is a valuable tool for diagnosing drug-induced hypersensitivity in complex cases.
Accurate diagnosis of antibiotic hypersensitivity can prevent recurrent adverse events and guide appropriate antimicrobial stewardship.
This case highlights the importance of considering immune-mediated reactions in patients with unexplained symptoms during antibiotic therapy.