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  • Intravascular ultrasound characteristics of different types of stenosis in idiopathic intracranial hypertension with venous sinus stenosis

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Clinical neurology
Original research
Intravascular ultrasound characteristics of different types of stenosis in idiopathic intracranial hypertension with venous sinus stenosis
  1. Raynald1,
  2. Na Chen2,
  3. Hongchao Yang3,
  4. Xu Tong1,
  5. Binbin Sui4,
  6. Hui Qu5,
  7. Kehui Dong5,
  8. Yilong Wang5,
  9. Zhongrong Miao1,
  10. Dapeng Mo1
  1. 1 Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China
  2. 2 Department of Neurology, Beijing Daxing Hospital, Capital Medical University, Beijing, People's Republic of China
  3. 3 Department of Neurosurgery, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People's Republic of China
  4. 4 Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China
  5. 5 Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, People's Republic of China
  1. Correspondence to Dr Dapeng Mo, Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China; bjttmodp{at}163.com

Abstract

Background In this study, we analyzed the characteristics of different stenosis types in idiopathic intracranial hypertension (IIH) patients with venous sinus stenosis (VSS) using intravascular ultrasound (IVUS).

Methods We retrospectively reviewed data from patients who underwent IVUS evaluation during venography or stenting procedures between January 2014 and February 2022.

Results Among the 80 patients with intrinsic lesions, 47 cases were identified, including 41 single lesions and 6 multiple lesions. Single lesions consisted of 36 cases of AG, 3 cases of brain herniation, and 2 cases of septation. Multiple intrinsic lesions were found in 6 patients, with AG observed in the transverse sinus and sigmoid sinus. IVUS features varied depending on the anatomical variations of intrinsic stenosis. Additionally, among the 33 cases of extrinsic stenosis, two types were observed: unilateral compression (22 cases) and bilateral compression (11 cases), primarily affecting the transverse sinus.

Conclusion IVUS effectively differentiated intrinsic and extrinsic types of stenosis and identified intraluminal and mural components of intrinsic stenosis.

  • Angiography
  • Ultrasound
  • Vein

Data availability statement

Data are available upon reasonable request.

https://doi.org/10.1136/jnis-2023-020345

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    Data availability statement

    Data are available upon reasonable request.

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    Footnotes

    • R- and NC contributed equally.

    • Contributors DM, R-, HY, and XT: conceptualization, data collection, analysis, drafting original manuscript. DM, R-, HY, XT, NC: data collection. BS, HQ, KD, YW and ZM: oversight, revising original manuscript. DM is the guarantor for this work and accepts responsibility for the data presented.

    • Funding Beijing Municipal Administration of Hospitals Incubating Program, grant number (PX2017009) and China Postdoctoral Science Foundation, grant number (2020-YJ-008).

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.

    • Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.