Journal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi · 2019
Clinical significance of post-treatment viral load of cytomegalovirus in patients with hematologic malignancies.
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Lu Wei, Chen Hsin-Pai, Chan Yu-Jiun, Wang Fu-Der
Аннотация
OBJECTIVES: Patients with hematologic diseases were at high risk for cytomegalovirus (CMV) diseases. In the present study, we compare various prognostic factors during CMV viremia, with specific emphasis on the relationship between viremia eradication and the long-term prognosis of patients after each episode.
METHODS: Adult patients with hematologic diseases who had a detectable CMV viral load (VL) (equal to or above 150 copies/mL) were included in the study. Medical records were reviewed for demographic data including age, sex, hematologic and other underlying diseases, status of stem cell transplantation, antiviral medication, serum CMV viral load before and after antiviral treatment.
RESULTS: A total of 101 episodes of CMV viremia occurred in patients with hematologic diseases. Comparison of various prognostic factors revealed non-survivors more frequently suffered from pneumonia and concomitant bacterial or fungal infections, had less frequently undergone hematopoietic stem cell transplantation (HSCT), and had higher peak VLs during viremic episodes. After antiviral therapy, eradication of viremia was much less frequently achieved in non-survivors. The Kaplan-Meier curves revealed that patients with detectable end-treatment VL had lower survival rates even if the antivirals were administered for more than 21 days. In a multivariate Cox proportional-hazard model, a detectable VL at the end of antiviral therapy independently predicted mortality within 180 days.
CONCLUSIONS: In patients with hematologic diseases suffering CMV viremia, failure to eradicate viremia after antiviral therapy indicates a higher chance of mortality and can be regarded as a useful indicator in evaluating the patient's long-term prognosis.
METHODS: Adult patients with hematologic diseases who had a detectable CMV viral load (VL) (equal to or above 150 copies/mL) were included in the study. Medical records were reviewed for demographic data including age, sex, hematologic and other underlying diseases, status of stem cell transplantation, antiviral medication, serum CMV viral load before and after antiviral treatment.
RESULTS: A total of 101 episodes of CMV viremia occurred in patients with hematologic diseases. Comparison of various prognostic factors revealed non-survivors more frequently suffered from pneumonia and concomitant bacterial or fungal infections, had less frequently undergone hematopoietic stem cell transplantation (HSCT), and had higher peak VLs during viremic episodes. After antiviral therapy, eradication of viremia was much less frequently achieved in non-survivors. The Kaplan-Meier curves revealed that patients with detectable end-treatment VL had lower survival rates even if the antivirals were administered for more than 21 days. In a multivariate Cox proportional-hazard model, a detectable VL at the end of antiviral therapy independently predicted mortality within 180 days.
CONCLUSIONS: In patients with hematologic diseases suffering CMV viremia, failure to eradicate viremia after antiviral therapy indicates a higher chance of mortality and can be regarded as a useful indicator in evaluating the patient's long-term prognosis.