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Schematic image of a brain vessel with an aneurysm

Schematic image of a brain vessel with an aneurysm

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Fig. 1. Schematic image of a brain vessel with an aneurysm
Table 8
Mean values of SR for AcomA and PcomA
Mean values of AR for PcomA and MCA
Mann -Whitney test for AR and SR (P = 0.05)
Threshold Values of Morphological Parameters Associated with Cerebral Aneurysm Rupture Risk
Article
Full-text available
  • Aug 2019
Numerous studies have shown that morphological parameters of aneurysms are associated with their rupture. However, literature data on the values of these parameters vary significantly. The objective of this study is to identify image-based morphological parameter values which correlate with cerebral aneurysm rupture and can be used during preoperat...
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Context 1
... work. Mean values of SR and AR parameters for ruptured and unruptured aneurysms of the cerebral arteries were chosen from the selected articles. AR is the maximum perpendicular height of aneurysm divided by the average aneurysm neck diameter. SR is the maximum aneurysm height divided by the mean diameter of branch associated with the aneurysm (Fig. 1). In the third column of Tables 1 and 2 arteries are indicated, for which AR and SR parameters are given: MCA is middle cerebral artery, ICA is internal carotid artery, AcomA is anterior communicating artery, PcomA is posterior communicating artery, All is all cerebral arteries. ❒åõàíèêà ✷✾✶ ➮çâ✳ Ñàðàò✳ óí✲òà✳ ❮îâ✳ ñåð✳ Ñåð✳ ❒àòåìàòèêà✳ ...
Context 2
... obtained criterion value of AR=1.2 in our opinion is logical. It was confirmed by ROC analysis (Fig. 10) of the data from Table 9 (critical value > 1.20, sensitivity and specificity were equal to 100, area under the ROC curve was equal to 1.000, P< ...
Context 3
... work. Mean values of SR and AR parameters for ruptured and unruptured aneurysms of the cerebral arteries were chosen from the selected articles. AR is the maximum perpendicular height of aneurysm divided by the average aneurysm neck diameter. SR is the maximum aneurysm height divided by the mean diameter of branch associated with the aneurysm (Fig. 1). In the third column of Tables 1 and 2 arteries are indicated, for which AR and SR parameters are given: MCA is middle cerebral artery, ICA is internal carotid artery, AcomA is anterior communicating artery, PcomA is posterior communicating artery, All is all cerebral arteries. ❒åõàíèêà ✷✾✶ ➮çâ✳ Ñàðàò✳ óí✲òà✳ ❮îâ✳ ñåð✳ Ñåð✳ ❒àòåìàòèêà✳ ...
Context 4
... obtained criterion value of AR=1.2 in our opinion is logical. It was confirmed by ROC analysis (Fig. 10) of the data from Table 9 (critical value > 1.20, sensitivity and specificity were equal to 100, area under the ROC curve was equal to 1.000, P< ...

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