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Search: authors:"Weizhi Zhang"

6 papers found.
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Transapical transcatheter device closure of relapse left ventricular diverticulum: a novel minimally invasive technique for reoperation

We describe a novel minimally invasive technique, transapical transcatheter device closure of relapse left ventricular diverticulum (LVD) under transesophageal echocardiography (TEE) guidance. The patient previously underwent LVD primary repair and mitral valvular replacement. The anatomical characteristics of the relapse LVD and its adjacent structures are detailedly delineated by ...

Correction of aortic coarctation in a girl with severe PHACE syndrome

A 12-year-old Chinese girl was demonstrated multivessel distortion and malformation: aortic coarctation with the narrowest lumen diameter measuring of 4�mm located between the left common carotid artery and the left subclavian artery, a huge and thin-walled aneurysm is connected to the coarctation, and the descending aorta was distorted. Cerebrovascular revealed distorted arteries ...

Asymptomatic intracardiac migration of a Kirschner wire from the right rib

We report the case of a 50-year old man diagnosed with intracardiac migration of a Kirschner wire (K-wire). The patient had undergone surgical fixation of rib fracture 32 months previously. Chest roentgenograms, chest computed tomographic scans and echocardiography revealed that one of the K-wires had migrated to the right ventricle. The K-wire was removed immediately. To the best ...

In vitro silencing of the insulin receptor attenuates cellular accumulation of fibronectin in renal mesangial cells

Background Insulin receptor (InsR) and insulin signaling proteins are widely distributed throughout the kidney cortex. Insulin signaling can act in the kidney in multiple ways, some of which may be totally independent of its primary role of the maintenance of whole-body glucose homeostasis. However, descriptions of the insulin signaling in renal glomerular mesangial cells (MCs) are ...

β-Adrenergic Receptor-PI3K Signaling Crosstalk in Mouse Heart: Elucidation of Immediate Downstream Signaling Cascades

Sustained β-adrenergic receptors (βAR) activation leads to cardiac hypertrophy and prevents left ventricular (LV) atrophy during LV unloading. The immediate signaling pathways downstream from βAR stimulation, however, have not been well investigated. The current study was to examine the early cardiac signaling mechanism(s) following βAR stimulation. In adult C57BL/6 mice, acute βAR ...

Is elevated SUA associated with a worse outcome in young Chinese patients with acute cerebral ischemic stroke?

Background Elevated serum uric acid (SUA) levels can enhance its antioxidant prosperities and reduce the occurrence of cerebral infarction. Significantly elevated SUA levels have been associated with a better prognosis in patients with cerebral infarction; however, the results from some studies on the relationship between SUA and the prognosis of patients with cerebral infarction ...