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June 20, 2026British Journal of Neurosurgery

The effectiveness of indirect revascularization on haemorrhagic moyamoya disease and the activities that trigger intracranial haemorrhage: a comprehensive study

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Authors

LWL H WangKGKevin GunawanMLMing-Jui Lee

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Overview

Randomized trial analyses effectiveness of indirect revascularization on haemorrhagic moyamoya disease, indicating potential in managing intracranial haemorrhages.

Key Points

  • This study aims to analyse the effectiveness of indirect revascularization (IR) surgery on haemorrhagic moyamoya disease (hMMD) and identify activities triggering intracranial haemorrhage.
  • Performed 189 IR procedures on 137 moyamoya patients from February 2016 to May 2025.
  • Used time-to-peak scoring system and Matsushima grading on postoperative angiograms for evaluation.
  • Included patients with intracranial haemorrhage in the analysis.
  • Ten patients identified with a mean age of first ICH at 36.1 ± 10.2 years.
  • Mean TTP scores improved from 9.25 ± 4.37 to 12.5 ± 1.57 after revascularization.
  • Eight of 10 revascularized hemispheres had satisfactory angiographic outcomes (Matsushima grade A or B).

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a3630f5db0793dc1a537fa1https://doi.org/10.1080/02688697.2026.2687518
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The effectiveness of indirect revascularization on haemorrhagic moyamoya disease and the activities that trigger intracranial haemorrhage: a comprehensive study – A letter2026
  2. 2Combined Direct and Indirect Revascularization for Adults with Moyamoya Disease: A Single-Center Retrospective Study2024
  3. 3Hemorrhage in Adult Moyamoya Disease With Intracranial Aneurysms: A Long-Term Observational Study on the Roles of Moyamoya Vessels and Admission Glasgow Coma Scales2026
  4. 4Functional and Angiographic Outcomes Following Surgical Revascularization in Pediatric Moyamoya Disease: A Single-Centre Cohort Study from Central Asia2026
  5. 5Clinical Efficacy of Revascularization Surgery for Moyamoya Angiopathy: Long‐Term Results of a European Cohort2026