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Retrospective Analysis of Repeat Kidney Biopsy Outcomes in 19 Pediatric Lupus Nephritis PatientsSmall study examines repeat kidney biopsies in children with lupus nephritis

AI-generated summary of the cited source, checked by automated accuracy review. How we work

Key Takeaway
Note the absence of reported main results and safety data in this 19-patient pediatric lupus nephritis cohort.

This retrospective cohort study included 19 pediatric lupus nephritis patients aged 5 to 18 years. The research was conducted at Nanjing Children's Hospital during a period spanning from 2009 to 2022. The primary exposure investigated was repeat kidney biopsy, while no comparator group was reported. The study aimed to assess pathological evolution, therapeutic implications, and prognostic impact as secondary outcomes.

Specific main results were not reported in the provided data. Consequently, quantitative data regarding pathological changes or clinical outcomes associated with repeat kidney biopsy are unavailable. The follow-up duration was also not reported, limiting the assessment of long-term effects. Because the main results field is empty, no statistical significance or effect sizes can be derived from this evidence.

Safety and tolerability data were not reported. There were no adverse events, serious adverse events, or discontinuations documented in the input. Similarly, no funding sources or conflicts of interest were reported. The study design is observational, which precludes causal inferences regarding the intervention.

Key limitations include the sample size of 19 patients and the retrospective nature of the cohort. The lack of reported primary outcomes and follow-up duration further restricts clinical interpretation. Practice relevance was not reported, and the certainty of the evidence remains uncertain. Clinicians should recognize the incomplete data profile when considering this information for patient care decisions.

This summary reflects the available structured evidence without extrapolating beyond the provided input. The absence of reported results necessitates caution in applying these findings to broader clinical settings. The certainty of the evidence remains uncertain based on the provided data.

This study reviewed the medical records of 19 children and teenagers who had lupus nephritis, a serious kidney inflammation caused by lupus. All of these patients received a repeat kidney biopsy at Nanjing Children's Hospital from 2009 through 2022. The researchers wanted to see how the disease evolved and how these procedures might affect future treatment choices.

The team examined the pathological evolution, which means how the disease looked under a microscope over time. They also looked at the prognostic impact, or how these findings might predict future health outcomes for the children. No specific medications were listed as the main focus, and no safety issues or side effects were reported in this small review.

Because only 19 patients were included, the findings are limited and should not be used to make broad medical recommendations. Readers should understand that this early, retrospective look provides initial information but does not prove that repeat biopsies are necessary or safe for everyone. More research with larger groups is needed before doctors can change standard care based on this work.

What this means for you:
Small study of 19 children; results are preliminary and not yet ready for clinical use.

Study Details

Study typeCohort
EvidenceLevel 3
PublishedApr 2026
View Original Abstract ↓
BackgroundThe utility of repeat kidney biopsy in pediatric lupus nephritis (LN) remains debated. This study aims to evaluate pathological evolution, therapeutic implications, and prognostic impact of repeat biopsies in children with LN.MethodsWe conducted a retrospective analysis of 19 pediatric LN patients (aged 5–18 years) who underwent ≥2 kidney biopsies at Nanjing Children's Hospital (2009–2022). Pathological classification (ISN/RPS criteria), activity/chronicity indices, and treatment responses were compared between biopsies. Statistical analyses were performed using SPSS 21.0, with P 
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