20xx年醫(yī)學(xué)專題—腦血管講座(已改無(wú)錯(cuò)字)
2024-11-18 23 本頁(yè)面
【正文】 of Disease: pathophysiological concepts of stroke in hemodynamic risk zones—do hypoperfusion and embolism interact? Nat Clin Pract Neurol 10.1038/ncpneuro0752,Examples of borderzone infarcts on diffusionweighted MRI,Anterior cortical borderzone infarct (CBI). Posterior CBI. Combined anterior and posterior CBI (D,E) Internal borderzone infarcts. (F) Combined internal borderzone infarct and territorial infarct.,第五十二頁(yè)，共六十八頁(yè)。,Cortical border zone infarctions：ACAMCA,第五十三頁(yè)，共六十八頁(yè)。,Figure 3. High CT slice shows the location of 3 small left hemisphere borderzone infarctions, appearing as a chain.,第五十四頁(yè)，共六十八頁(yè)。,低血壓內(nèi)分水嶺梗塞(gěngs232。),Note left superior parietal lobule infarct in the expected location of the middle cerebral artery (MCA)/posterior cerebral artery (PCA) cortical border zone.,centrum infarcts in a rosary configuration consistent with internal border zone infarcts in a patient with hypotension,T2,FLAIR,第五十五頁(yè)，共六十八頁(yè)。,Figure 1 Positive diffusionweighted MRI scan of the brain demonstrating unilateral watershed infarction (white areas),Leary CR and Caplan LR (2007) Technology Insight: brain MRI and cardiac surgery—detection of postoperative brain ischemia Nat Clin Pract Cardiovasc Med 4: 379–388 doi:10.1038/ncpcardio0915,第五十六頁(yè)，共六十八頁(yè)。,a 58yearold woman with newonset atrial fibrillation,Multiple cortical border zone embolic infarcts are seen between the anterior cerebral artery (ACA), middle cerebral artery (MCA), and posterior cerebral artery (PCA) territories. Image demonstrates laminar necrosis of the superior parietal lobule cortex,Sagittal T1weighted image in,第五十七頁(yè)，共六十八頁(yè)。,PET images in a patient with right ICA occlusion who showed internal borderzone infarction with cortical extension on corresponding MRI,http://jnm.snmjournals.org/cgi/content/figsonly/46/12/1973,parallel decrease of FMZBP, CBF, CMRO2, and an increase of OEF,2 different levels,內(nèi)分水嶺梗塞(gěngs232。),皮質(zhì)(p237。zh236。)分水嶺梗塞,第五十八頁(yè)，共六十八頁(yè)。,Illustrative examples of watershed infarcts in patients with ICA disease,皮質(zhì)分水嶺（前部(qi225。n b249。)重，后部輕） 內(nèi)分水嶺梗死（念珠狀以及融合型）,
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