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Improved Turnaround Times | Median time to first decision: 12 days

Research ArticleNeurointervention

Inter- and Intraobserver Variability in the Assessment of Brain Arteriovenous Malformation Angioarchitecture and Endovascular Treatment Results

D. Iancu-Gontard, A. Weill, F. Guilbert, T. Nguyen, J. Raymond and D. Roy
American Journal of Neuroradiology March 2007, 28 (3) 524-527;
D. Iancu-Gontard
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A. Weill
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F. Guilbert
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T. Nguyen
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J. Raymond
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D. Roy
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    Fig 1.

    Intra- and interobserver agreement calculated for each architectural feature, measured by unweighted or weighted κ with 95% CI. Observer agreement was considered good (substantial to almost perfect) when the κ value was above 0.60.

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    Fig 2.

    Anteroposterior (A) and lateral (B and C) views of the right carotid angiogram that shows a right frontal BAVM. There was agreement for the Spetzler-Martin grade II collateral circulation and the presence of the carotid aneurysm. However, we noted a disagreement about the presence or absence of a nidus aneurysm (arrow).

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    Fig 3.

    Axial CT scan (A) showing an occipital hematoma in a 23-year-old man. Anteroposterior (B) and lateral (C) views of the right carotid angiogram showing a right occipital BAVM. There was agreement for the Spetzler-Martin grade, including the size, eloquence, venous drainage, as well as for the presence of a paranidal aneurysm responsible for hemorrhage. However, interobserver disagreement was about the precise location of the aneurysm, either on the feeding artery or into the nidus.

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American Journal of Neuroradiology: 28 (3)
American Journal of Neuroradiology
Vol. 28, Issue 3
March 2007
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Inter- and Intraobserver Variability in the Assessment of Brain Arteriovenous Malformation Angioarchitecture and Endovascular Treatment Results
D. Iancu-Gontard, A. Weill, F. Guilbert, T. Nguyen, J. Raymond, D. Roy
American Journal of Neuroradiology Mar 2007, 28 (3) 524-527;
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D. Iancu-Gontard, A. Weill, F. Guilbert, T. Nguyen, J. Raymond, D. Roy
Inter- and Intraobserver Variability in the Assessment of Brain Arteriovenous Malformation Angioarchitecture and Endovascular Treatment Results
American Journal of Neuroradiology Mar 2007, 28 (3) 524-527;

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