Abstract
Purpose
Cytomegalovirus infection is an important complication in immunocompromised patients. As few studies have shown that cyclophosphamide treatment is a risk factor for cytomegalovirus infection in patients with glomerulonephritis, we aimed to describe the frequency and risk factors of cytomegalovirus infection in glomerulonephritis patients treated with cyclophosphamide.
Methods
We prospectively recruited 43 cytomegalovirus seropositive patients with glomerulonephritis treated with cyclophosphamide. We screened all patients for viral DNA monthly during treatment. Patients were compared for age, sex, glomerular pathology, renal function and clinical status regarding development of cytomegalovirus infection before and after the treatment.
Results
Cytomegalovirus infection was detected in 10 (23.3%) patients, most commonly within the first 2 months of cyclophosphamide treatment. All patients recovered without any cytomegalovirus-related complications. Patients with cytomegalovirus infection had higher serum creatinine (4.2 ± 3.2 vs. 1.9 ± 1.8 mg/dl, p = 0.006) and lower estimated glomerular filtration rate (29 ± 11 vs. 65 ± 8 ml/min/1.73 m2, p = 0.016) at diagnosis compared with cytomegalovirus infection non-occurred patients. In addition, number of patients presented with rapidly progressive glomerulonephritis were higher in cytomegalovirus infection group (80.0% vs. 27.3%, p = 0.007). Moreover, cytomegalovirus infection was associated with prolonged hospital stay (54 ± 7 vs. 29 ± 6 days, p = 0.027).
Conclusion
Cytomegalovirus infection is a common complication in glomerulonephritis patients treated with cyclophosphamide in this prospective study. Routine monitoring and prophylaxis should be considered for these high-risk patients.
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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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All the authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by [GKS], and [KK]. The first draft of the manuscript was written by [GKS], and all the authors commented on previous versions of the manuscript. All the authors read and approved the final manuscript.
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Kumru Sahin, G., Eyupoglu, S., Eren Sadioglu, R. et al. Cytomegalovirus infection in patients with glomerular diseases treated with cyclophosphamide: a single-center prospective study. Int Urol Nephrol 54, 1091–1096 (2022). https://doi.org/10.1007/s11255-021-02973-w
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DOI: https://doi.org/10.1007/s11255-021-02973-w