[Clinical and pathological differences between children with various genotypes of hepatitis B virus-associated

Yong-Hong Sun1, Xiao-Yan Lei, Hong Yuan

  • 1Department of Pediatrics, People's Hospital of Gansu Province, First Hospital of Lanzhou University, Lanzhou 730000, China. leixiaoyan601@163.com.

Insights

Hepatitis B virus-associated glomerulonephritis (HBV-GN) in children is predominantly caused by genotypes C and B. Genotype C infections present more severe clinical symptoms than genotype B, though pathological features remain similar.

Area of Science:

  • Nephrology
  • Virology
  • Pediatrics

Context:

  • Hepatitis B virus-associated glomerulonephritis (HBV-GN) is a significant cause of kidney disease in children.
  • Understanding the impact of different HBV genotypes on disease presentation is crucial for effective management.

Purpose:

  • This study aimed to compare the clinical and pathological characteristics of HBV-GN in children across various hepatitis B virus (HBV) genotypes.
  • Investigate differences in clinical manifestations, renal and liver pathology, and HBV cccDNA levels based on HBV genotype.

Summary:

  • The study analyzed 41 children with HBV-GN, finding genotype C (71%) to be dominant over genotype B (24%).
  • Children with genotype C HBV-GN exhibited significantly higher rates of hematuria, albuminuria, decreased complement 3, elevated alanine transaminase, and renal insufficiency compared to genotype B.
  • HBV cccDNA positivity was also significantly higher in the genotype C group. No significant differences were noted in pathological renal tissue types or liver inflammation/fibrosis between genotype groups.

Impact:

  • Genotype C is associated with more severe clinical manifestations in pediatric HBV-GN.
  • Findings highlight the importance of HBV genotyping in assessing disease severity and guiding treatment strategies in children with HBV-GN.
  • This research contributes to a better understanding of the genotype-specific clinical spectrum of HBV-GN in pediatric populations.
Abstract

Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
354
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test01:22

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess...
263
Nephrotic Syndrome I : Introduction01:24

Nephrotic Syndrome I : Introduction

Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of...
1.1K
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
829
Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
1.0K
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu01:29

Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu

Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...
126