Perfusion MR Imaging Lesions After Cerebral Blood Flow Changes In Tissue Of The Correlation

Objective: Cerebral hemorrhage is one of the neurological critical illness, we intend to use PWI technique in patients with acute intracerebral hemorrhage at different times to measure rCBF lesion tissues to understand the brain lesion after ICH rCBF changes of tissues, provide a theoretical basis for clinical treatment.Methods: Select from September 2009 to April 2010 admitted to our department 36 cases of cerebral hemorrhage. All patients were confirmed by brain CT scan cerebral hemorrhage, in line with the National Stroke Conference 1995, to develop diagnostic criteria for cerebral hemorrhage. After the patients were included in the amount of bleeding under divided into two groups, according to the bleeding time at 1 day, 7 days, the 14 day line of PWI checks, each in age, sex distribution, neurological function score aspects of the statistical analysis, The difference was not significant, comparable. Discuss the different amount of bleeding, cerebral hemorrhage at different time organization of cerebral blood flow changes. .Results:1.≤10 ml blood loss in patients with cerebral hemorrhage, the incidence on day 1, cerebral hemorrhage and cerebral blood flow did not change significantly Organization;2 10-20 ml and 20-30 ml blood loss in patients with cerebral hemorrhage, the incidence on day 1, cerebral hemorrhage and tissue CBF, CBV, MTT, TPP, there are changes;3. 7 days after onset of the three patients, tumor tissues CBF, CBV, MTT, TPP changed most obvious, obvious ischemic. 4. 14 days of onset of the three patients, tumor tissues CBF, CBV, MTT, TPP changed significantlyConclusion:1.Perfusion MR imaging techniques to measure cerebral blood flow is a fast, safe methods, can provide accurate, repeatable measurements, semi-quantitative value of cerebral blood flow, and the price is reasonable, no radiation.2.Tissues after cerebral hemorrhage foci decreased cerebral blood flow phenomenon exists, the amount of bleeding at different times, intracerebral hemorrhage and cerebral blood flow decreased tissue to different degrees.3.Intracerebral hemorrhage and cerebral blood flow down into a dynamic organization changes, and cerebral hemorrhage after 7 days, decreased cerebral blood flow most obvious and statistically significant.