Intracranial Aneurysm Clinical Trial
Official title:
Imaging Epidemiological Investigation of Intracranial Aneurysms and the Prospective Study of Risk Factors：Assessment of MR Imaging Trail
This is a prospective observational registry with intent to detect the prevalence of intracranial aneurysms with contrast-enhanced MR angiography (CE-MRA) at 1.5T, and to determine the risk factors such as high blood pressure and cigarette smoking relating to intracranial aneurysms.
Intracranial aneurysms are common and have been reported increased incidence rate because of
the widespread use of high-resolution imaging techniques. They are clinically important
because of the life-threatening rupture and hemorrhage. Early detection and diagnosis is the
key of treatment. Contrast-enhanced MR angiography (CE-MRA), as a simple, sensitivity and
noninvasive method, is playing an important role in Vascular Imaging. CE-MRA has been an
accuracy modality for intracranial aneurysm at most centers and proved the high sensitivity
and accuracy comparing with DSA. Therefore, we use CE-MRA at 1.5T as a tool of
epidemiological investigation of intracranial aneurysms.
In retrospective analysis, conventional risk factors for intracranial aneurysms include
hypertension, hyperlipidemia, diabetes mellitus (DM), smoking history, and family history,
etc. However, retrospective analysis probably gives an underestimation or overestimation of
the actual results. Prospective analysis will get accurate data on the risk factors relating
to intracranial aneurysms
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Observational Model: Cohort, Time Perspective: Prospective
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