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- W2373155144 abstract "Objective To discuss the clinical value of 3-dimensional volume-rendering technique(3D-VRT) in the follow-up checkups with DSA for intracranial aneurysms after embolization treatment.Methods One hundred and nine patients with a total of 121 intracranial aneurysms underwent endovascular embolization by using steel coils at our institution.All the patients were followed up with DSA at least one time.Two neuronradiologists separately evaluated the conventional 2-dimensional DSA(2D-DSA),rotational angiography(RA) and 3D-VRT images obtained from the interventional procedure and follow-up DSA checkups.If several follow-up examinations were performed,only the final angiographic images were used.The abilities of 2D-DSAM,RA and 3D-VRT in detecting aneurysmal remnants,including neck remnant and aneurysmal sack remnant,were evaluated.The results were compared among the above three techniques.Kruskal-Wallis test was used for group comparisons,and Kappa test was used to measure inter-observer agreement.Results The immediate post-procedure 3D-VRT revealed that complete obliteration of the aneurysm was obtained in 90 cases,while neck remnant was found in 26 and sack remnant in 5 cases.Duringn the follow-up period,in 2D-DSA group complete obliteration,neck remnant and sack remnant were confirmed in 92,20 and 9 patients respectively,in RA group these were confirmed in 86,23 and 12 patients respectively,and in 3D-VRT group were confirmed in 68,30 and 23 patients respectively.The differences in detecting aneurysmal remnants among 2D DSA,RA and 3D VRT groups were statistical significant(χ2 = 14.052,P = 0.000 9).The Kappa value for 2D-DSA,RA and 3D-VRT was 0.545,0.582 and 0.748,respectively.Conclusion 3D VRT can markedly improve the detectable rate of aneurysmal remnants.It is,therefore,recommended that this technique should be employed in clinical DSA follow-up checkups for the patients of intracranial aneurysms after embolization treatment." @default.
- W2373155144 created "2016-06-24" @default.
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- W2373155144 date "2010-01-01" @default.
- W2373155144 modified "2023-09-23" @default.
- W2373155144 title "The clinical value of 3-dimensional volume-rendering technique in the follow-up checkups with DSA for intracranial aneurysms after embolization treatment" @default.
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