CTA与MRA诊断动脉瘤及评估动脉瘤破裂风险的比较

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Abstract Objective To compare and contrast the value of CTA and MRA in the diagnosis of arterial tumor and risk assessment of aneurysm rupture in order to standardize aneurysm treatment.Methods Forty-eight patients with suspected intracranial aneurysms treated in our hospital between July 2015 and August 2016 were randomly and equally divided into two groups. Group Ⅰ underwent CTA+DSA examination while group Ⅱ patients underwent MRA+DSA examination. The diagnostic sensitivity, specificity, positive predictive value, negative predictive value and accuracy of CTA and MRA for intracranial aneurysms were compared. The value of CTA and MRA in the diagnosis of aneurysm of 5 mm was also compared.Results The diagnostic sensitivity, specificity, positive predictive value, negative predictive value, negative predictive value and accuracy of MRI in the diagnosis of intracranial tumors were slightly lower than those of CTA, but the difference was not significant between the two groups. CTA and CE-MRA were almost equally accurate in the diagnosis of aneurysms above 5 mm, but compared with 3D TOF-MRA, the diagnostic sensitivity and specificity, positive predictive value, negative predictive value,and accuracy of CTA and CE-MRA were significantly higher. The difference was of statistical significance (P<0.05).Conclusions CTA and MRA can be used as the primary means to diagnose aneurysms and assess the risk of aneurysm rupture, but the accuracy and 3D shape of CTA are better than those of MRA.

Key words： CT angiography magnetic resonance angiography aneurysm

Received: 23 August 2016

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	Articles by authors
	CUI Ximin
	SONG Zhonghai
	YU Jun
	and MENG Taojiang

Cite this article:

CUI Ximin,SONG Zhonghai,YU Jun等. Comparison of CTA and MRA in diagnosis of aneurysms and aneurysm rupture risk assessment[J]. Med. J. Chin. Peop. Armed Poli. Forc., 2016, 27(12): 1214-1217.

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http://journal08.magtechjournal.com/Jwk_wjyx/EN/ OR http://journal08.magtechjournal.com/Jwk_wjyx/EN/Y2016/V27/I12/1214

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