The Correlation of Intracranial Artery Calcification and Outcomes of Mechanical Thrombectomy

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

434 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-03-28

Study Completion Date

2029-06-30

Brief Summary

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CAIS-MT is a single-center, prospective cohort study, to evaluate the correlation between outcomes of endovascular treatment(EVT) and intracranial artery calcification(IAC) in patients with acute ischemic stroke due to large or medium vessel occlusion.

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Detailed Description

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This study have to objective to evaluate the predictive value of IAC Agatston score in patients with acute ischemic stroke due to large or medium vessel occlusion on worse angiographic and functional outcomes after EVT. The result of this study will provide a upfront basis for risk stratification of adverse outcomes of EVT by using quantitative IAC, so as to get a reference for an individualized and precise plan of EVT.

Conditions

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Stroke, Acute Ischemic Stroke Vascular Diseases Central Nervous System Diseases Nervous System Diseases Stroke Brain Diseases Cerebrovascular Disorders Intracranial Arterial Calcification

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Patients with acute ischemic stroke due to large or medium vessel occlusion

Patients with acute ischemic stroke due to large or medium vessel occlusion meeting inclusion criteria, must accept mechanical thrombectomy and have CT images which can get the IAC Agatston score.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Male or non-pregnant women with acute stroke symptoms aged over 18 years.
* Occlusion of the intracranial internal carotid artery, the middle cerebral artery, the anterior cerebral artery, the posterior cerebral artery, basilar artery and intracranial vertebral artery confirmed by CT, MR angiography, or digital subtraction angiography.
* No absolute contraindication to iodinated contrast media.
* Planned treatment with EVT by clinical care team.
* Informed consent obtained from patients or their legal representatives.
* Willing to be followed up as required by the clinical study protocol.

Exclusion Criteria

* Acute ischemic stroke occurs over 24 hours of time last known well.
* Neurologic deficits caused by diagnoses other than ischemic stroke, such as intracerebral hemorrhage, subarachnoid hemorrhage, or intracranial tumors.
* With other underlying factors leading to IAC, such as hyperthyroidism, end-stage renal disease, long-term oral intake of vitamin K antagonist(Warfarin), chronic vitamin D deficiency or overdose, persistent hypomagnesemia, persistent hypercalcemia, persistent hyperphosphatemia and high oral calcium intake.
* Lack of non-contract CT images on admission and significant artifacts in CT images preventing IAC measurement.
* Severe renal insufficiency (estimated glomerular filtration rate \< 30ml/min or serum creatinine \> 220μmol/L (2.5mg/dl)).
* Previous cerebrovascular intervention treatment or craniotomy.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No