[PDF] Top 20 CT angiography of cerebral vasospasm with conventional angiographic comparison

... headache. CT scans showed subarachnoid hemorrhage involving the su- prasellar and ambient cisterns, Hunt-Hess class ...A CT angiogram and a conventional angiogram (Fig 1A and B) did not reveal the ... See full document

... plain CT stud- ...anterior cerebral artery, and basilar artery) and distal (A2 and M2 segments) ...of vasospasm as none, mild ( , 30% luminal narrowing), moderate (30% to 50% luminal narrow- ing), ... See full document

... tery. This region of interest served as a reference for the following dynamic measurements of contrast enhancement. Subsequently, a total of 100 –120 mL of iohexol (Omnipaque 300; Amersham Health, Cork, Ireland), a ... See full document

... the agreement among reviewers by using the QUADAS tool to assess the methodologic quality of the CTP research studies was 100% for 12 of the 14 questions and 90% for questions 4 and 6. All disagreements were resolved by ... See full document

... of vasospasm grade by DSA and a good inter- observer agreement by ...characterizing vasospasm severity are sum- marized in Table ...of vasospasm severity: none, mild-moderate, and ...mild-moderate ... See full document

... of cerebral vessels with angiography remains the mainstay in di- agnosing cerebral ...–9), CT an- giography (CTA) is considered a relatively safe, fast, and minimally invasive procedure (10 ... See full document

... Intermethod agreement appeared somewhat more variable than inter-rater variability. The stenosis of a vessel estimated as moderate in DSA was found mild (⬍50%) by one reader and moderate by the other reader in CTA. ... See full document

... standard CT/CTA protocol that is classically performed for SAH pa- tients with suspected ...standard CT equipment and requires only dedicated postprocessing software that can generate perfusion maps of the ... See full document

... three-dimensional CT angiography (CTA), in which contrast material is used to create reformations of dynamic scans, in the diagnosis and the preoperative evaluation of cerebral ...for cerebral ... See full document

... contrast CT, CTA source images, and CT perfusion CBV maps from a cohort of confirmed nonlacunar MCA strokes imaged within 3 hours of symptom onset that had angiographic proof of ...noncontrast ... See full document

... Conventional angiography with 3D-DSA is considered the cri- terion standard for aneurysm ...of conventional angiography, especially in the visualization of aneurysm geometry, has not yet been ... See full document

... regarding hypertension, diabetes mellitus, asthma and allergies. If patient suffered from any of the mentioned condition, the appropriate preparation including laboratory evaluation e.g. Complete blood count, Prothombin ... See full document

... (A) Admission CT shows diffuse subarachnoid hemorrhage. (B) Admission MRI demonstrates acute ischemic strokes in bilateral cortical hemispheres and the cerebellum on diffusion- weighted imaging (DWI) maps, with ... See full document

... Sarawak General Hospital acquired the 64-slice CT scanner which became fully operational on 15 January 2005. The introduction of this versatile tool has opened up an avenue in the investigation of intracranial ... See full document

... tomographic angiography (3DCTA) has been used re- cently for the evaluation of intracerebral aneurysms, but it is difficult to use this technique to visualize aneurysms near the base of the skull because of the ... See full document

... Primary malignant tumours of the vertebral column are rare. Whenever, an isolated vertebral lesion is noted radiographically a systemic examination for other lesions should be done, preferably radionuclide scintigraphy. ... See full document

... As now developed , digital subraction angiography can replace conventional cerebral angiography for preoperative evaluation of the juxtasellar carotid artery prior to transphenoidal surg[r] ... See full document

... of cerebral venous thrombosis (CVT) is low, and in particular, isolated cortical vein thrombosis (ICVT) is very ...using conventional computed tomography (CT) and magnetic resonance imaging ...A ... See full document

... circulation in the relevant area. For each nonbronchial artery considered in the present investigation, depiction of its ostium and recognition of its course toward the adjacent lung parenchymal zone are analyzed on ... See full document

... Our study was conducted in 20 patients. All these twenty patients underwent both CT coronary angiogram and catheter angiogram. Results of CT coronary angiogram were compared with catheter angiogram. First ... See full document