ArticleMedicine2019
Clinicopathological analysis of IgA nephropathy combined with other glomerular diseases.
Article in Medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 4 citations in OpenAlex.
- Trial
- Clinical characteristics and prognosis of IgA nephropathy and comorbid diabetic kidney disease.Annals of medicine · 2026Article
- Strong mesangial IgA staining-does it always refer to IgA nephropathy in a patient with proteinuria and hematuria? Answers.Pediatric nephrology (Berlin, Germany) · 2021Article
- Characterization of IgA Deposition in the Kidney of Patients with IgA Nephropathy and Minimal Change.Journal of clinical medicine · 2020Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
It is not rare to find Immunoglobulin A (IgA) nephropathy (IgAN) combined with other glomerular diseases, which can be called compound IgAN (cIgAN). Till now, clinical-pathological investigation of cIgAN was lacking, especially the severity of "background IgAN lesions." This research aimed to investigate the incidence, clinical and pathological characteristics of cIgAN, and thus improve the understanding of the clinical significance of this combination.Patients with cIgAN diagnosed in Peking University People's Hospital from November 2012 to April 2018 were retrospectively analyzed. Patients with IgAN without compound glomerular diseases (sIgAN) were enrolled as a control group.Among 1407 patients diagnosed with IgAN, 80 (5.69%) were cIgAN patients. Compared with sIgAN, cIgAN patients had a significantly lower prevalence of microscopic hematuria and more urine protein. There were 10 pathological types of glomerular diseases combined with IgAN, led by diabetic nephropathy 37 (46.25%) and membranous nephropathy 14 (17.5%). Histologically, although the mesangial hypercellularity was comparable in 2 groups, cIgAN patients had a lower prevalence of endocapillary proliferation, segmental glomerulosclerosis, and cellular or fibrocellular crescents formation, as well as weaker immunofluorescence intensity for IgA and C3 (all P < .05). Eight out of 27 (29.63%) cIgAN patients with follow-up data (5-48 months) developed irreversible end-stage renal disease requiring dialysis.The order of incidence of concomitant diseases was similar to that of the pure diseases. The "background IgAN associated lesions" except mesangial hypercellularity were relatively mild in cIgAN group. Those might suggest that in some cases, IgAN seems to be a chance finding, and the combined diseases may play a more important role in the clinicopathological features of the patients than the nephritis caused by IgA deposition. While diagnosing IgAN, other combined glomerular diseases need to be carefully considered by nephrologists and pathologists.
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