Optimized C-arm Cone Beam CT for the Endovascular Treatment (EVT) of Acute Stroke

Last updated: January 23, 2024
Sponsor: Assistance Publique - Hôpitaux de Paris
Overall Status: Completed

Phase

N/A

Condition

Stroke

Cerebral Ischemia

Treatment

Diagnostic Test: optimized C-Arm Cone Beam Computed Tomography

Clinical Study ID

NCT04774510
APHP210221
  • Ages > 18
  • All Genders

Study Summary

When it comes to acute stroke, everyone deserves the best care. Today, more patients can benefit from endovascular treatment (EVT) in a comprehensive stroke center. With the significant advances in C-arm Cone Beam CT (CBCT) imagings directly in the neuro angio-suite (NAS), the investigators are now able to identify, plan and treat stroke patients in the NAS, without the need for a separate CT scan. This provides valuable, time-saving support for critical patients in acute need of EVT. The main objective is to assess the diagnostic confidence of this optimized C-arm Cone Beam CT, named in french ASO, in the NAS for the detection of brain abnormalities and hemorrhagic complications for critical patients with acute stroke. The secondary objectives are to study the variability of the diagnostic accuracy concerning the staging of the stroke, the analysis of the brain vessel, the relevance of artefact reduction post treatment and the amount of dose for this ASO.

Eligibility Criteria

Inclusion

Inclusion Criteria: aged ≥ 18 years diagnosed with an acute stroke and needed for a EVT affiliation tocompulsory French social security scheme (beneficiary or right-holder) Consent from thepatient if their level of consciousness is sufficient or from their relatives. If none ispossible at the inclusion, consent will be obtained as soon as possible

Exclusion

Exclusion Criteria: Being under tutelage or legal guardianship ; Ongoing pregnancy, breastfeeding

Study Design

Total Participants: 38
Treatment Group(s): 1
Primary Treatment: Diagnostic Test: optimized C-Arm Cone Beam Computed Tomography
Phase:
Study Start date:
January 15, 2022
Estimated Completion Date:
November 28, 2022

Study Description

Design: ASO-AVC is a french academic pilot study by exploring the diagnostic confidence of optimized C-arm Cone Beam CT (ASO) realized directly in the neuro angio-suite (NAS).

To compare the effectiveness and safety of ASO diagnostic, the variability of the diagnostic accuracy concerning the staging of the stroke, the analysis of the brain vessel, the relevance of artefact reduction post treatment and the amount of delivered dose, the investigator proposed to assess clinical usefulness of ASO in the diagnostic process of stroke.

Intervention: No modification of patient care will be required by this protocol.

All patients participating in the study will undergo standard diagnostic, procedural and control imagings, which consist of : diagnostic imaging studies (MRI or CT scan), usual C-arm Cone Beam CT in the NAS during EVT to insure no procedural complication and control imaging studies (MRI or CT scan) at 24 hours ; decisions concerning further diagnostics will be made by the physician in charge.

Apart from theses standard imagings, patients will undergo the ASO. The ASO imagings will be anonymized and recorded in a centralized database called PACS (Picture Archiving and Communication System), in order to a centralized radiological reading by the Imaging Core Lab. They will be reviewed by radiologist readers to rate diagnostic image quality through a questionnaire, and in a second time the data will be included in a comparative evaluation with the diagnostic and control imagings.

Connect with a study center

  • service de Neuroradiologie interventionnelle NEURI - Hôpital Bicêtre

    Le Kremlin Bicêtre, Kremlin-Bicêtre 94270
    France

    Site Not Available

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