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首页> 外文会议>The 1st International Symposium on Sectional and Imaging Anatomy >Measurement Investigate of Cerebral Arteries with MRA
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Measurement Investigate of Cerebral Arteries with MRA

机译：用MRA测量脑动脉

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Objective With the social progress and the improvement of people's living standard, the cerebrovascular disease, which in high attack rate and death rate, has become one of the three main causes of death in human diseases. 10% of death in all diseases are due to the cerebrovascular disorder, and among the survivor, 50%～70% of the patients remain severe disability such as palsy and anepia, that bring heavy burden to the social and family. Till now, there has been less study on the sectional diameter and applied anatomy significance in normal cerebral arteries by use of MRA. This study utilized the MRA technique to image the normal morphology of the internal carotid artery, the anterior cerebral artery, the middle cerebral artery and the posterior cerebral artery intracranial, measure the diameters in each segment and observe the branching condition, in order to provide anatomic basis for diagnosis and interventional therapy of the cerebrovascular disease. Method 105 Dalian healthy adult residents (male 68, female 37) were scaned the head and the cerebral arteries were reconstituted and volumetric displayed by maximum intensity projection method and the diameters of each segment were measured with the measure tool provided by the computer. The courses, the branch types and the left-and-right differences of the cerebral arteries were observed. Result 1. The measured values of cerebral arteries in MRA: (1) The diameters of C5-Clsegment of internal carotid artery in left side were 3.59mm, 4.12mm, 4.23mm, 4.35mm and 4.21mm respectively, in right side were 3.58mm, 4.09mm, 4.20mm, 4.33mm and 4.16mm. (2) The diameters of A1-A5 segment of anterior cerebral artery in left side were1.69mm, 1.55mm, 1.45mm, 1.38mm and 1.02mm, in right side were 1.60mm, 1.46mm, 1.43mm, 1.33mm and 1.01mm. (3) The diameters of M1-M5 segment of middle cerebral artery in left side were 2.69mm, 2.14mm, 1.85mm, 1.66mm and 1.50mm, in right side were 2.51mm, 2.04mm, 1.78mm, 1.60mm and 1.45mm. (4) The diameters of P1-P4 segment of posterior cerebral artery in left side were 2.21mm, 2.36mm, 1.76mm and 1.45mm, in right side were 2.19mm, 2.30mm, 1.68mm and 1.44mm. 2. The constituent ratio of left- and-right differences in cerebral arteries: (1) The ratio of the diameter of left internal carotid artery larger than, equal to, and smaller than that of right side in C5 segment were 21.0%, 63.8% and 15.2%, in C4 segment were 19.0%, 64.8% and 16.2%. (2) The ratio of the diameter of left anterior cerebral artery larger than, equal to, and smaller than that of right side in AI segment were 20.0%, 72.4% and 7.6%, in A2 segment were 23.8%, 63.8% and 12.4%. (3) The ratio of the diameter of left middle cerebral artery larger than, equal to, and smaller than that of right side in M1 segment were 24.8%, 60.9% and 14.3%, in M2 segment were 22.9%, 63.8% and 13.3%. (4) The ratio of the diameter of left posterior cerebral artery larger than, equal to, and smaller than that of right side in Pl segment were 26.7%, 51.4% and 21.9%, in P2segment were 16.2%, 69.5% and 14.3%. 3. The branch types: 90.0% of the anterior cerebral artery were the simple trunk type, 10.0% were double trunk type. 45.2% of the middle cerebral artery were the simple trunk type, 47.6% were double trunk type and 7.2% were poly-trunk type. 85.7% of the origin of the posterior cerebral artery were basal artery, 8.6% of the posterior cerebral artey start from the posterior communicating artery and 6.7% formed by both basal artery and posterior communicating artery. Conclusion 1. The total length and the main branches of cerebral arteries can be volumetric displayed clearly by MRA technique. 2. The MRA measured values of diameters of the internal carotid artery, the anterior cerebral artery, the middle cerebral artery and the posterior cerebral artery intracranial were generally in accordance to that of cadaver. 3. There were left-and-right differences
机译：目的随着社会的进步和人民生活水平的提高，脑血管疾病的高发病率和高死亡率已成为人类疾病的三大死亡原因之一。在所有疾病中，有10％的死亡是由于脑血管疾病引起的，幸存者中有50％〜70％的患者仍然患有严重的残疾，如麻痹和重症精神病，给社会和家庭带来沉重负担。迄今为止，通过MRA对正常脑动脉的截面直径和解剖学意义的研究还很少。本研究利用MRA技术对颈内动脉，大脑前动脉，大脑中动脉和大脑后动脉颅内的正常形态进行成像，测量每个节段的直径并观察分支情况，以提供解剖学信息脑血管疾病的诊断和介入治疗的基础。方法对105例大连市健康成人居民（男68例，女37例）进行头部扫描，重建脑动脉，以最大强度投影法显示容积，并用计算机提供的测量工具测量各节段的直径。观察脑动脉的进程，分支类型和左右差异。结果1. MRA中脑动脉的测量值：（1）左侧颈内动脉C5-C段直径分别为3.59mm，4.12mm，4.23mm，4.35mm和4.21mm，右侧为3.58毫米，4.09毫米，4.20毫米，4.33毫米和4.16毫米。 （2）左侧前脑动脉A1-A5段直径分别为1.69mm，1.55mm，1.45mm，1.38mm和1.02mm，右侧分别为1.60mm，1.46mm，1.43mm，1.33mm和1.01毫米（3）左侧大脑中动脉的M1-M5段直径分别为2.69mm，2.14mm，1.85mm，1.66mm和1.50mm，右侧分别为2.51mm，2.04mm，1.78mm，1.60mm和1.45毫米（4）左侧大脑后动脉P1-P4段的直径分别为2.21mm，2.36mm，1.76mm和1.45mm，右侧分别为2.19mm，2.30mm，1.68mm和1.44mm。 2.脑动脉左右差异的构成比例：（1）C5段左颈内动脉的直径大于，等于和小于右侧的比例分别为21.0％，63.8 C4段中的％和15.2％分别为19.0％，64.8％和16.2％。 （2）AI段左前脑动脉直径大于，等于和小于右侧的比例分别为20.0％，72.4％和7.6％，A2段为23.8％，63.8％和12.4。 ％。 （3）M1段左大脑中动脉的直径大于，等于和小于右侧的比例分别为24.8％，60.9％和14.3％，M2段分别为22.9％，63.8％和13.3 ％。 （4）P1段左后脑动脉直径大于，等于和小于右侧的比例分别为26.7％，51.4％和21.9％，P2段中分别为16.2％，69.5％和14.3％ 。 3.分支类型：简单躯干型为前脑动脉的90.0％，双躯干型为10.0％。大脑中动脉的简单躯干型占45.2％，双躯干型占47.6％，多躯干型占7.2％。大脑后动脉起源的85.7％是基底动脉，大脑后动脉的8.6％起源于后交通动脉，而6.7％是由基础动脉和后交通动脉组成。结论1. MRA技术可以清楚地显示脑动脉的总长度和主要分支。 2.颈内动脉，大脑前动脉，大脑中动脉和大脑后动脉颅内径的MRA测量值通常与尸体的测量值一致。 3.左右有所不同

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