PMID: 16639931Apr 28, 2006Paper

EBV quantification in children after allogeneic hematopoietic stem cell transplantation

Casopís lékar̆ů c̆eských
P HubácekP Sedlácek

Abstract

Patients undergoing allogeneic hematopoietic stem cell transplantation (AHSCT) are endangered by developing Epstein-Barr virus-related post-transplant lymfoprolipherative disease (EBV-LPD). The aims of the study were to retrospectively characterise the viral loads in four patients who died of this complication, and to test possible risk factors for EBV reactivation in a prospectively observed cohort of children after AHSCT. Serial DNA samples extracted from whole blood from four patients who died of post-transplant EBV-LPD in year 2000 were retrospectively analysed for EBV load using quantitative real-time PCR. First detection of EBV activation preceded death by 24-91 days. All four patients exceeded a viral load of one million EBV copies per 100,000 human genome equivalents. A cohort of 72 children undergoing AHSCT between 2001-2004 was prospectively followed-on using the same quantification method from regularly obtained samples of whole blood, and clinical and laboratory data were recorded on a weekly basis, totalling at 3,896 person-weeks of observation. Approximately one half of the cohort experienced at least one episode of EBV reactivation during the first 100 days after AHSCT, four of the episodes being accompanied with...Continue Reading

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