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Published on: March 30, 2018
Clinical features of renal damage associated with Epstein-Barr virus infection in children
Xiaoqing Yang1,2, Baohua Lin1,2, Tong Shen1,2
1Pediatrics Department, Women and Children's Hospital, School of Medicine, Xiamen University, Xiamen, China.
Insights
Acute Epstein-Barr virus (EBV) infection can cause significant renal damage in children, with symptoms like hematuria and proteinuria. Early detection and monitoring are crucial for managing this common pediatric condition.
Area of Science:
- Pediatric Nephrology
- Infectious Diseases
- Virology
Background:
- Acute Epstein-Barr virus (EBV) infection is common in children.
- Renal involvement can be a complication of acute EBV infection.
- Understanding the clinical features and incidence of renal damage in pediatric EBV is important for patient management.
Purpose of the Study:
- To investigate the incidence and clinical characteristics of renal damage in pediatric patients with acute Epstein-Barr virus (EBV) infection.
- To identify factors associated with renal damage in children diagnosed with acute EBV.
Main Methods:
- A retrospective observational study was conducted on 548 pediatric patients diagnosed with acute EBV infection.
- Patients were divided into groups based on the presence or absence of renal damage.
- Sociodemographic and clinical data were collected and analyzed for comparison between groups.
Main Results:
- The incidence of renal damage in pediatric patients with acute EBV infection was 7.48% (41 out of 548).
- Common renal manifestations included hematuria, proteinuria, edema, and hypertension; acute renal failure was observed in 2.44% of affected patients.
- Patients with renal damage experienced longer fever durations, higher EBV-DNA loads, and lower CD4+/CD8+ T lymphocyte ratios compared to those without renal damage.
Conclusions:
- Acute EBV infection can lead to a notable rate of renal damage in pediatric patients.
- Hematuria and proteinuria are the most frequent clinical signs of renal involvement.
- Prolonged fever, high EBV-DNA load, and decreased CD4+/CD8+ ratios indicate a higher risk of secondary renal damage.
Objective:
To understand the renal damage and clinical features of pediatric patients with acute Epstein-Barr virus (EBV) infection.
Methods:
In this retrospective observational study, 548 pediatric patients who were admitted to and treated at the Xiamen Women and Children Health Center between January 2017 and December 2021 and who met the criteria of acute EBV infection were selected as participants. The sociodemographic and clinical data of these patients were collected for statistical analysis. The study population was divided into a renal damage group (41 patients) and a non-renal damage group (507 patients), and the characteristics of the two groups were compared.
Results:
(1) Of the 548 enrolled patients, 340 and 208 were boys and girls, respectively. Among them, 41 patients showed renal damage (renal damage group), including 26 boys and 15 girls, and the incidence rate of renal damage was 7.48%. (2) The major renal involvements in the 41 pediatric patients with acute EBV infection in the renal damage group manifested as hematuria (56.1%), proteinuria (37.71%), hematuria + proteinuria (12.9%), edema (51.22%), hypertension (17.07%), oliguria (4.88%), and acute renal failure (2.44%). (3) The pediatric patients in the renal damage group had statistically significantly longer fever durations, higher blood EBV-DNA loads, and lower blood CD4+/CD8+ T lymphocyte ratios than those in the non-renal damage group.
Conclusion:
In pediatric patients, the incidence rate of acute EBV-induced renal damage is not low. The clinical manifestations are mostly hematuria or proteinuria, with an overall good prognosis, but occasionally severe renal damage such as acute renal failure. The possibility of secondary renal damage is high when pediatric patients with acute EBV have prolonged fever, high blood EBV-DNA loads, and decreased blood CD4+/CD8+ ratios.
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