Publications by authors named "Gennian Qian"
Various anatomic anomalies have been considered the causes of nutcracker syndrome (NCS). Posterior NCS refers to the condition, in which vascular narrowing was secondary to the compression of the retroaortic left renal vein while it is crossing between the aorta and the vertebral column. Here, we report an unusual case of posterior NCS associated with a complicated malformation of the interrupted left inferior vena cava with azygos continuation and retroaortic right renal vein, diagnosed by both color Doppler ultrasonography and CT angiography.
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- * Results showed that patients had significantly fewer activated regions and lower fractional anisotropy in the occipital lobes before treatment compared to healthy controls, but these measures improved after HBO therapy.
- * The findings indicate that combining BOLD-fMRI and DTI is effective for monitoring changes in visual pathway lesions and their progression during HBO treatment.
Introduction: In recent years, diffusion tensor imaging (DTI) has emerged as a promising tool to study ischemic stroke. The aim of this study is to evaluate the anisotropic changes of cerebral white matter tracks in patients with ischemic stroke using DTI, and investigate the correlation between corticospinal tract damage and muscle strength in such patients during acute ischemia.
Methods: Nine patients with acute ischemic stroke and nine healthy subjects were examined with T1 weighted magnetic resonance imaging (MRI), T2 weighted MRI and DTI.
[Clinical application of 16-slice spiral CT coronary angiography].
Di Yi Jun Yi Da Xue Xue Bao
February 2005
Objective: To assess the clinical value of multislice spiral CT coronary angiography (MSCTCA).
Methods: Totally 79 patients were examined with MSCTCA and the CT images were reconstructed by several methods to analyze the factors crucial for the image quality, the ability of MSCT displaying the coronary artery vessels, along with the nature and calcification degrees of the plaques. The presence as well as the degree of vascular stenosis, visualization of the bypass graft, implanted stents and patency of the vessels were evaluated.