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Clin Imaging. 2018 May - Jun;49:131-135. doi: 10.1016/j.clinimag.2017.10.012. Epub 2017 Oct 25.

A comparison of contrast-free MRA at 3.0T in cases of intracranial aneurysms with or without subarachnoid hemorrhage.

Author information

1
Department of Imaging, The First Affiliated Hospital, Xinxiang Medical University, Henan Province, China.
2
Clinical Laboratory, People's Liberation Army of Central 371 Hospital, Henan Province, China.
3
Department of Neurosurgery, The Third Affiliated Hospital, Xinxiang Medical University, Henan Province, China.
4
Department of Imaging, The First Affiliated Hospital, Xinxiang Medical University, Henan Province, China. Electronic address: cuihongkai1980@163.com.

Abstract

PURPOSE:

To determine the diagnostic accuracy of contrast-free MRA at 3.0T for detection of intracranial aneurysms in patients with subarachnoid hemorrhage.

METHODS:

411 patients (183 with SAH and 228 with non-SAH) underwent MRA. Accuracy, sensitivity, specificity, positive predictive values (PPV), and negative predictive values (NPV) were measured and compared with DSA.

RESULTS:

Except for a slight difference in sensitivity in patient-based and aneurysm-based evaluations (P=0.037), there were no other significant differences in accuracy, specificity, PPV, and NPV.

CONCLUSION:

VR 3D-TOF-MRA is a non-invasive approach with high accuracy in the diagnosis of intracranial aneurysms.

KEYWORDS:

Digital subtraction angiography; Intracranial aneurysm; Magnetic resonance angiography; Rotational digital subtraction angiography; Subarachnoid hemorrhage (SAH); Volume rendering

PMID:
29414507
DOI:
10.1016/j.clinimag.2017.10.012
[Indexed for MEDLINE]
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