Evidence map›Paper›PMID 40217974›Full record

ReviewJournal of clinical medicine2025

Atypical Hemolytic Uremic Syndrome: A Review of Complement Dysregulation, Genetic Susceptibility and Multiorgan Involvement.

Razvan-George Bogdan, Paula Anderco, Cristian Ichim, Anca-Maria Cimpean, Samuel Bogdan Todor, Mihai Glaja-Iliescu, Zorin Petrisor Crainiceanu, Mirela Livia Popa

Abstract readReview
In one paragraph

Review in Journal of clinical medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed.

  1. Review
  2. Article
  3. Complement-mediated thrombotic microangiopathy presenting as atypical hemolytic uremic syndrome during disease-modifying therapy for multiple sclerosis.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026
    Article
  4. Article
  5. Review
  6. Review
  7. Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Long-term outcome and management of complement-mediated thrombotic microangiopathy/aHUS.Hematology. American Society of Hematology. Education Program · 2025
    Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Razvan-George BogdanPlastic Surgery Department, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania.ORCID 0009-0000-9963-561X
Paula AndercoFaculty of Medicine, "Lucian Blaga" University of Sibiu, 550024 Sibiu, Romania.
Cristian IchimFaculty of Medicine, "Lucian Blaga" University of Sibiu, 550024 Sibiu, Romania.ORCID 0009-0005-9111-6088
Anca-Maria CimpeanPlastic Surgery Department, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania.ORCID 0000-0002-9530-022X
Samuel Bogdan TodorFaculty of Medicine, "Lucian Blaga" University of Sibiu, 550024 Sibiu, Romania.
Mihai Glaja-IliescuPlastic Surgery Department, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania.
Zorin Petrisor CrainiceanuPlastic Surgery Department, "Victor Babes" University of Medicine and Pharmacy, 300041 Timisoara, Romania.ORCID 0000-0002-2880-7485
Mirela Livia PopaFaculty of Medicine, "Lucian Blaga" University of Sibiu, 550024 Sibiu, Romania.

Funding

Victor Babeș University of Medicine and Pharmacy Timișoara
6 · The paper itself

Abstract

Atypical hemolytic uremic syndrome (aHUS) is a rare, life-threatening thrombotic microangiopathy (TMA) characterized by complement dysregulation, leading to microvascular thrombosis and multi-organ injury. TMAs are defined by thrombocytopenia, microangiopathic hemolytic anemia and organ dysfunction caused by small-vessel thrombosis. Unlike thrombotic thrombocytopenic purpura, which results from severe ADAMTS13 deficiency, aHUS is driven by uncontrolled activation of the alternative complement pathway. While the kidneys are most frequently affected, other vital organs can also be involved. Genetic susceptibility contributes significantly to disease risk, but a trigger such as infection, pregnancy or autoimmune disease is usually required. Diagnosis is challenging due to overlapping features with other TMAs and relies on exclusion and complement testing. C5 inhibitors, such as eculizumab and ravulizumab, have revolutionized treatment but necessitate prophylactic vaccination and ongoing clinical surveillance. While these therapies provide effective disease control, discontinuing treatment remains complex, especially in patients with complement gene mutations. New therapies targeting various points in the complement cascade are under investigation and may offer safer, more cost-effective options. Progress in genetic profiling and biomarker discovery is essential for earlier diagnosis, individualized therapy and relapse prevention. This review highlights recent advances in the understanding of aHUS pathophysiology, clinical features and evolving therapeutic strategies aimed at improving patient outcomes.

Indexed as

aHUSatypical hemolytic uremic syndromeC5 inhibitorscomplementeculizumabravulizumabthrombotic microangiopathy

Identifiers

PMID40217974
PMCPMC11989465

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.