ArticleNephron2020
Clinicopathological Analysis of Acute/Active Antibody-Mediated Rejection in Renal Allografts According to the Banff 2013 Classification.
Article in Nephron, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
- Prognostic value of the 7-year protocol biopsy of adult kidney allografts: impact of mesangiosclerosis and proteinuria.Renal failure · 2023Article
- Biomarkers for Kidney-Transplant Rejection: A Short Review Study.Biomedicines · 2023Review
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimThis study evaluated the clinicopathological findings of acute/active antibody-mediated rejection (AABMR) according to the Banff 2013 classification.
methodsWe analyzed 345 biopsies of 269 kidney transplant recipients. Pathological AABMR (PAABMR) was defined as histological evidence of acute tissue injury and endothelial injury by light microscopy regardless of donor-specific antibodies (DSAs).
resultsAmong the 345 biopsies, 29 (8.4%) were diagnosed as PAABMR. The mean g score was 1.17 ± 0.60, the mean ptc score was 1.97 ± 1.32, and DSA positivity was found in 69% of PAABMR. The mean duration after transplantation was 22.9 ± 26.7 months. Among 3 groups (DSA-high, mean fluorescence intensity (MFI) ≥ 5,000; DSA-low, MFI < 5,000 to ≥1,000; below cutoff), ABO incompatibility in DSA-high was significantly lower and second transplantation in DSA-high was significantly higher. We found 83% of PAABMR by the protocol biopsy (subclinical AABMR [SAABMR]). The short-term clinical and light microscopical changes in 8 cases of SAABMR did not show worsening during follow-up period (9-24 months). However, ultrastructural finding, including glomerular endothelial swelling, subendothelial electron-lucent widening, and early glomerular basement duplication, were found by electron microscopy (EM) in the first biopsies, and half of the SAABMR cases developed de novo circular peritubular capillary multilayering in the follow-up biopsies.
conclusionPAABMR was mainly found by the protocol biopsy. The short-term follow-up of SAABMR patients did not show worsening clinically and light microscopically, but ultrastructural examination by EM was useful to detect early lesions of endothelial injury and progression of glomerular and peritubular capillary basement membrane alterations.
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