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Hereditary Hemorrhagic Telangiectasia (Osler-Weber-Rendu syndrome): update of September 22, 2026

What's new and why it matters

  1. A new study plans to evaluate a treatment for severe nosebleeds in HHT patients, considering how individual factors may influence results (Item 3). Based on: 3
  2. Research suggests that changes in the structure of blood vessels in cerebral AVMs are linked to risks of complications, relevant for HHT treatments (Item 5). Based on: 5
  3. Two new stem cell lines created from HHT patients may help in studying the genetic causes of the disease and potential treatments (Item 11). Based on: 11
  4. A study found that treating brain AVMs can reduce long-term bleeding risks, aiding choices between surgery and monitoring (Item 7). Based on: 7
  5. A microchip model mimicking HHT patient vascular lesions could be useful for studying the disease and exploring new treatment options (Item 15). Based on: 15

Materials in this update

  1. Staged embolisation strategy for spinal epidural arteriovenous fistula with concomitant pulmonary arteriovenous malformation.
    PubMed

    Sep 21, 2026

    A staged embolization strategy successfully treated a spinal AV fistula and a pulmonary AV malformation in one patient, showing effective targeted planning for complex cases.

  2. The contemporary role of stereotactic radiosurgery for surgically inoperable cerebral arteriovenous malformations.
    PubMed

    Sep 20, 2026

    Stereotactic radiosurgery is looked at for treating hard-to-reach brain AVMs, potentially offering better outcomes for some patients than traditional methods.

  3. Bevacizumab in the Treatment of HHT
    Clinical trials

    Registered study, no results yet

    Sep 18, 2026

    A new study plans to evaluate the effects of a treatment for severe nosebleeds in HHT patients, considering how individual factors may influence results.

  4. Body Donation in HHT
    Clinical trials

    Registered study, no results yet

    Sep 17, 2026

    A trial is exploring the role of body donation in studying HHT, which could provide important data on the disease's mechanisms and guide future treatment.

  5. Extracellular matrix remodeling and internal elastic lamina alterations in cerebral arteriovenous malformations: Insights into vascular wall biology.
    PubMed

    Sep 17, 2026

    Research on cerebral AVMs suggests that changes in the vascular structure may be linked to risks of instability and complications, relevant for HHT treatments.

  6. Accelerated Volume-Staged Stereotactic Radiosurgery for Large Cerebral Arteriovenous Malformations: A Single Institutional Experience.
    PubMed

    Sep 11, 2026

    An accelerated radiosurgery approach for large brain AVMs shows promise by successfully reducing AVM size while minimizing radiation risks compared to earlier methods.

  7. Intervention versus observation for brain arteriovenous malformations: long-term hemorrhagic outcomes in a single-center cohort study.
    PubMed

    Sep 11, 2026

    A study found that treating brain AVMs reduces long-term bleeding risks, which offers valuable data for deciding between surgery and observation.

  8. Efficacy and Safety of Various Medications in the Treatment of Hereditary Hemorrhagic Telangiectasia Epistaxis.
    PubMed

    Sep 11, 2026

    Reviewing various treatments for nosebleeds in HHT patients suggests that some medications may significantly help manage bleeding episodes.

  9. [Bilateral Thoracoscopic Surgery for Bilateral Pulmonary Arteriovenous Malformations:Report of a Case].
    PubMed

    Sep 10, 2026

    A case report describes a successful surgical approach for treating bilateral pulmonary AV malformations, emphasizing a viable option when other methods are challenging.

  10. A Case of Gastric Juvenile-Type Polyposis With SMAD4 Mutation.
    PubMed

    Sep 8, 2026

    A case study highlights a SMAD4 mutation linked to gastric polyps, emphasizing the importance of genetic testing for proper diagnosis in similar patients.

  11. Generation of two induced pluripotent stem cell lines from hereditary hemorrhagic telangiectasia patients harboring ACVRL1 mutations.
    PubMed

    Sep 7, 2026

    Two new stem cell lines from HHT patients provide valuable resources for studying the genetic causes of the disease and potential treatment paths.

  12. Microsurgical resection versus conservative management for unruptured brain arteriovenous malformations in the ARUBA era: A systematic review and meta-analysis.
    PubMed

    Sep 6, 2026

    A systematic review compares outcomes of surgery versus monitoring in unruptured brain AVMs, aiming to clarify effective management strategies.

  13. En bloc resection and trapezius island flap reconstruction of giant extracranial Schobinger stage III/Yakes type IV arteriovenous malformations involving the orbital region.
    PubMed

    Aug 21, 2026

    This research reviews a successful surgical method for managing giant AVMs in the head and neck, improving patient safety and quality of life.

  14. Unmasking the Unexpected: Renal Arteriovenous Malformation in a Young Puerto Rican Patient With Persistent Hypertension.
    PubMed

    Aug 18, 2026

    A case shows a renal AVM in a young patient with high blood pressure, stressing the need for careful evaluation of rare vascular issues.

  15. A microphysiological system HHT-on-a-chip platform recapitulates patient vascular lesions.
    PubMed

    Aug 13, 2026

    A microchip model mimicking HHT patient vascular lesions can help in studying the disease and exploring new treatment options.

  16. Evaluation of Hemorrhage Risk and Predictors Following Stereotactic Radiosurgery for Cerebral Arteriovenous Malformations: A Retrospective Single-center Study.
    PubMed

    Jan 6, 2026

    A study on post-radiosurgery bleeding risk in brain AVMs identifies specific factors that could help doctors better manage treatment for HHT patients.

All updates for Hereditary Hemorrhagic Telangiectasia (Osler-Weber-Rendu syndrome)

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