ArticlePediatric nephrology (Berlin, Germany)2024
Duration of prodromal phase and severity of hemolytic uremic syndrome.
Article in Pediatric nephrology (Berlin, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- Open-label, controlled, phase 2 clinical trial assessing the safety, efficacy, and pharmacokinetics of INM004 in pediatric patients with Shiga toxin-producing Escherichia coli-associated hemolytic uremic syndrome.Pediatric nephrology (Berlin, Germany) · 2025Trial
- Bloody diarrhea, STEC infection, and HUS in the molecular microbiology era.Pediatric nephrology (Berlin, Germany) · 2026Review
- Cryo-EM structures of engineered Shiga toxin-based immunogens capable of eliciting neutralizing antibodies with therapeutic potential against hemolytic uremic syndrome.Protein science : a publication of the Protein Society · 2025Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSome data have recognized an association between shorter prodromal phase and severe episode of Shiga toxin-producing Escherichia coli-related hemolytic uremic syndrome (STEC-HUS). Our aims were to confirm such association and analyze characteristics of STEC-HUS patients according to duration of the prodromal phase.
methodsPatients treated from 2000 to 2022 were compared according to the presence of severe (> 10 days of dialysis and/or extra-renal complications) or non-severe disease. Association between prodromal phase duration and disease severity was assessed by ROC curve and by classifying the cohort in 3 groups according to time to diagnosis.
resultsNon-severe (n = 145) and severe (n = 71) cases were compared. The latter had shorter prodromal phase, higher leukocyte count, hemoglobin, lactic dehydrogenase, liver enzymes, C-reactive protein, urea and creatinine, and lower albumin and sodium; only prodromal phase duration (p = 0.02) and leukocyte count (p = 0.02) remained significant in multivariate analysis. By ROC curve analysis, time to diagnosis resulted in a poor predictor of outcomes (AUC = 0.27). Since prodromal phase duration was 5 days (IQR 3-7), we divided the cohort into Groups A (1-2 days), B (3-7 days), and C (≥ 8 days). Rates of severe disease were 75.8%, 29.6%, and 11.4%, respectively. Taking Group B as reference, Group A patients had higher risk of complications (p = 0.00001; OR 7.4, 95% CI: 2.98-18.7) while Group C ones had significantly less risk (p = 0.02; OR 0.3, 95% CI: 0.1-0.91).
conclusionsThis study found that duration of prodromal phase is an independent predictor of complicated STEC-HUS and confirms that shorter prodromal phase is associated with worse prognosis. A higher resolution version of the Graphical abstract is available as Supplementary information.
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