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- W2043313457 abstract "Background: Computed tomography angiography (CTA) is a rapid, non-invasive procedure with a small risk for evaluating patients with various types of strokes. But the effectiveness of CTA in detecting the etiology of spontaneous intracerebral hemorrhage (SICH) has not been well established. Aim: To evaluate the diagnostic value of CTA for detecting underlying vascular abnormalities in patients with SICH. Settings and Design: This is a comparative study to evaluate the diagnostic accuracy of CTA and digital subtraction angiography (DSA) in SICH. We also did a meta-analysis, combining our results with those of all previous studies to determine a more precise estimate of CTA in detecting the etiology of SICH.. Materials and Methods: Between July 2009 and October 2011, CTA and DSA were routinely performed in consecutive young patients (age between 18 and 45 years) with acute non-hypertensive SICH. Imaging data were prospectively stored in the database for analysis. Statistical Analysis: The sensitivity, specificity, positive predictive values (PPV), negative predictive values (NPV), and accuracy were used for evaluating the diagnostic value of CTA for vascular lesion. Results: This study included 92 patients. The sensitivity, specificity, PPV, NPV, and accuracy of CTA for detecting DSA-positive pathologies were 94.6%, 100%, 100%, 96.5%, and 97.8%, respectively. A total of 544 cases were included for meta-analysis. The pooled sensitivity, specificity, PPV, NPV, and accuracy of CTA for detecting the etiology in SICH were 95.4%, 98.3%, 96.9%, 97.4%, and 97.2%, respectively. There was no substantial heterogeneity between the studies. Conclusions: CTA has high PPV and NPV for vascular pathologies. It should be performed as the initial vascular investigation for patients with acute SICH. Future technical advancement of CTA is still needed to eliminate the false-negative results." @default.
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- W2043313457 date "2012-01-01" @default.
- W2043313457 modified "2023-09-27" @default.
- W2043313457 title "Accuracy of computed tomography angiography in detecting the underlying vascular abnormalities for spontaneous intracerebral hemorrhage: A comparative study and meta-analysis" @default.
- W2043313457 doi "https://doi.org/10.4103/0028-3886.98515" @default.
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