{"id":60025,"date":"2025-11-07T05:10:31","date_gmt":"2025-11-07T05:10:31","guid":{"rendered":"http:\/\/zydq.1006ss.com\/?p=60025"},"modified":"2025-11-07T05:10:31","modified_gmt":"2025-11-07T05:10:31","slug":"%e4%b8%80%e6%96%87%e8%af%bb%e6%87%82tof-mra%ef%bc%8cpc-mra%ef%bc%8cce-mra%e3%80%82","status":"publish","type":"post","link":"http:\/\/zydq.1006ss.com\/?p=60025","title":{"rendered":"\u4e00\u6587\u8bfb\u61c2TOF\u2014MRA\uff0cPC\u2014MRA\uff0cCE\u2014MRA\u3002"},"content":{"rendered":"<p>\u5b66\u4e60\u672c\u65e0\u5e95\uff0c\u524d\u8fdb\u83ab\u4eff\u5fa8\u3002<\/p>\n<\/p>\n<p>MRI\u8840\u7ba1\u6210\u50cf\u6280\u672fMRA\u975e\u5e38\u591a\uff0c\u5305\u62ec\u6253\u836f\u8840\u7ba1\u6210\u50cf\u53ca\u975e\u6253\u836f\u8840\u7ba1\u6210\u50cf\u6280\u672f\u3002\u5176\u4e2d\uff0c\u975e\u6253\u836f\u8840\u7ba1\u6210\u50cf\u6280\u672f\u6211\u4eec\u6700\u5e38\u89c1\u7684\u6d41\u5165\u589e\u5f3a\u65f6\u95f4\u98de\u8d8a\u6cd5TOF\uff0c\u76f8\u4f4d\u5bf9\u6bd4\u6cd5PC\u3002<\/p>\n<p>TOF-MRA<\/p>\n<p>\u5728\u4e0d\u6253\u836f\u78c1\u5171\u632f\u8840\u7ba1\u6210\u50cf\u6280\u672f\u4e2d\uff0c\u65f6\u95f4\u98de\u8dc3\u6cd5\uff08Time of Flight,&nbsp;TOF\uff09\u662f\u6700\u5e38\u89c1\u7684\u3002\u8fd9\u79cd\u6280\u672f\u4e3b\u8981\u662f\u5229\u7528\u4e86\u68af\u5ea6\u56de\u6ce2\u5e8f\u5217\u4e2d\u6d41\u52a8\u8840\u6db2\u7684\u6d41\u5165\u589e\u5f3a\u6548\u5e94\uff08inflow\uff09\u8fdb\u884c\u8840\u7ba1\u6210\u50cf\u7684\uff0c\u6240\u4ee5\u53c8\u53ef\u4ee5\u53eb\u505a\u6d41\u5165\u589e\u5f3a\u8840\u7ba1\u6210\u50cf\u6280\u672f\u3002<\/p>\n<p>\u6d41\u5165\u589e\u5f3a\u8840\u7ba1\u6210\u50cf\u6280\u672f\u6700\u5927\u7684\u7279\u70b9\u5c31\u662f\u65e0\u9700\u4f7f\u7528\u5bf9\u6bd4\u5242\u53ef\u4ee5\u8fbe\u5230\u8840\u7ba1\u6210\u50cf\u7684\u76ee\u7684\u3002\u8be5\u6280\u672f\u4e3b\u8981\u4f7f\u7528\u68af\u5ea6\u56de\u6ce2\u5e8f\u5217\uff0c\u901a\u8fc7\u6bd4\u8f83\u77ed\u7684TR\u8bbe\u7f6e\u6765\u6291\u5236\u9759\u6b62\u7684\u80cc\u666f\u7ec4\u7ec7\u4fe1\u53f7\uff0c\u4ece\u800c\u7a81\u663e\u8840\u7ba1\uff0c\u8fd9\u79cd\u5e8f\u5217\u53c8\u53ef\u4ee5\u53eb\u505aTOF MRA\u5e8f\u5217\u3002<\/p>\n<p>\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n<p>\u4f7f\u7528GRE\u5e8f\u5217<\/p>\n<p>\u5229\u7528\u68af\u5ea6\u56de\u6ce2TOF\u6d41\u5165\u589e\u5f3a\u6548\u5e94\u5728\u5c42\u9762\u9009\u62e9\u3001\u8bfb\u51fa\u7f16\u7801\u65b9\u9762\u65bd\u52a0\u6d41\u52a8\u8865\u507f\u68af\u5ea6\uff0c\u4ee5\u6d88\u9664\u6d41\u52a8\u6240\u81f4\u5931\u76f8\u4f4d\uff0c\u663e\u793a\u9ad8\u4fe1\u53f7\u7684\u8840\u6d41\u3001\u76f8\u5bf9\u4f4e\u4fe1\u53f7\u7684\u80cc\u666f\u7ec4\u7ec7\uff0c<\/p>\n<p>\u901a\u8fc7MIP\u663e\u793aMRA\u5168\u8c8c<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u6210\u50cf\u5f71\u54cd\u56e0\u7d20\uff1a\u91c7\u7528\u8109\u51b2\u5e8f\u5217\u7684TR\u6210\u50cf\u5bb9\u79ef\u7684\u539a\u5ea6\u53ca\u6d41\u4f53\u7684\u901f\u5ea6\u90fd\u662fTOF-MRA\u6210\u50cf\u7684\u5f71\u54cd\u56e0\u7d20\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>TOF\u2014MRA\u4f18\u7f3a\u70b9<\/p>\n<p>1.\u76f8\u5bf9\u8282\u7701\u65f6\u95f4\uff0c\u4e0ePC\u76f8\u6bd4<\/p>\n<p>2.\u663e\u793a\u4e0e\u626b\u63cf\u5c42\u9762\u76f8\u5782\u76f4\u7684\u8840\u7ba1\u6548\u679c\u826f\u597d<\/p>\n<p>3\u4e0e\u5e73\u9762\u5e73\u884c\u7684\u8840\u7ba1\uff0c\u56e0\u4e3a\u9971\u548c\u6548\u4e1a\u5219\u4fe1\u53f7\u660e\u663e\u8870\u51cf\uff0c\u751a\u81f3\u4e0d\u663e\u793a<\/p>\n<p>\u80cc\u666f\u6291\u5236\u6b20\u4f73\uff0c\u77edT1\u7ec4\u7ec7\uff0c\u5982\u8102\u80aa<\/p>\n<p>4.\u8840\u80bf\uff0c\u56e0\u77edT1\u6548\u5e94\uff0c\u7eb5\u5411M\u6062\u590d\u5feb,\u96be\u4ee5\u6291\u5236\uff0c\u5f71\u54cd\u8840\u7ba1\u663e\u793a<\/p>\n<p>PC-MRA<\/p>\n<p>\u65bd\u52a0\u53cc\u6781\u68af\u5ea6\u573a\u671f\u95f4\uff0c\u6d41\u52a8\u8d28\u5b50\u7fa4\u79ef\u805a\u7684\u76f8\u4f4d\u53d8\u5316\u4e0e\u5176\u6d41\u901f\u76f8\u5173\uff0c\u6d41\u52a8\u8d8a\u5feb\u5219\u76f8\u4f4d\u53d8\u5316\u8d8a\u660e\u663e\uff0c\u5229\u7528\u83b7\u5f97\u76f8\u4f4d\u5dee\u5f02\u6765\u663e\u793a\u8840\u7ba1\u5f71\u50cf\uff0c\u5373\u5f97\u5230PC-MRA\u56fe\u50cf\u3002\u53cd\u4e4b\u901a\u8fc7\u5bf9\u6d41\u901f\u7f16\u7801\u68af\u5ea6\u573a\u7684\u8c03\u6574\u6765\u89c2\u5bdf\u6d41\u52a8\u8d28\u5b50\u7684\u76f8\u4f4d\u53d8\u5316\u5219\u53ef\u80fd\u68c0\u6d4b\u51fa\u6d41\u52a8\u8d28\u5b50\u7684\u6d41\u52a8\u65b9\u5411\u3001\u6d41\u901f\u548c\u6d41\u91cf\u3002<\/p>\n<p>\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n<p>1.\u4f7f\u7528GRE\u5e8f\u5217<\/p>\n<p>2.\u5229\u7528\u4e24\u5e45\u56fe\u50cf\u51cf\u5f71\u5f97\u5230<\/p>\n<p>3.\u4e00\u5e45\u4f7f\u7528\u6d41\u52a8\u8865\u507f\uff0c\u53e6\u4e00\u5e45\u5219\u5728\u4e00\u4e2a\u65b9\u5411\u4e0a\u989d\u5916\u7684\u68af\u5ea6\u4ee5\u8bf1\u5bfc\u6d41\u52a8\u8840\u6db2\u7684\u76f8\u4f4d\u6f02\u79fb\u51cf\u5f71\u540e\u5f97\u5230\u4e00\u5e45\u53ea\u6709\u8840\u6d41\u663e\u793a\u7684MRA\u56fe\u50cf\u56e0\u4e3a\u8840\u6d41\u4e00\u822c\u4e0d\u662f\u4e00\u4e2a\u65b9\u5411\u4e0a\uff0c\u6240\u4ee5\u8981\u51c6\u786e\u663e\u793a\u8840\u6d41\u65b9\u5411\u548c\u6d41\u901f\uff0c\u9700\u8981\u5206\u522b\u83b7\u53d6\u4e09\u4e2a\u65b9\u5411\u4e0a\u7684\u76f8\u4f4d\u56fe\u3002\u56e0\u6b64 PC MRA \u7684\u5173\u952e\u5728\u4e8e\u6d41\u901f\u7f16\u7801\u7684\u8bbe\u7f6e\u3002\u5bf9\u4e8e\u5feb\u901f\u7684\u8840\u6d41\u6211\u4eec\u5e38\u9009\u62e9\u8f83\u5927\u7684\u6d41\u901f\u7f16\u7801\u503c\uff0c80-200cm\/s;\u5bf9\u4e8e\u4e2d\u7b49\u901f\u5ea6\u7684\u8840\u6d41\u5e38\u9009\u62e940-80cm\/s\uff0c\u5bf9\u4e8e\u6162\u901f\u8840\u6d41\u5e38\u9009\u62e910cm\/s\u3002<\/p>\n<p>\u6ce8\u610f:\u53ea\u6709\u6cbf\u6d41\u901f\u7f16\u7801\u65b9\u5411\u7684\u6d41\u52a8\u8d28\u5b50\u624d\u4f1a\u4ea7\u751f\u76f8\u4f4d\u53d8\u5316\uff0c\u5982\u679c\u8840\u7ba1\u5782\u76f4\u4e8e\u7f16\u7801\u65b9\u5411\uff0c\u5b83\u5728PC MRA\u4e0a\u4f1a\u770b\u4e0d\u5230\u3002\u64cd\u4f5c\u8005\u53ef\u6cbf\u4efb\u610f\u65b9\u5411\u9009\u62e9\u7f16\u7801\u68af\u5ea6\ufe50\u5982\u5c42\u9762\u9009\u62e9\u65b9\u5411\u3001\u9891\u7387\u7f16\u7801\u65b9\u5411\u3001\u76f8\u4f4d\u7f16\u7801\u65b9\u5411\u6216\u6240\u67093\u4e2a\u65b9\u5411\uff0c\u5f53\u5728\u6bcf\u4e2a\u65b9\u5411\u90fd\u6709\u6d41\u52a8\u65f6\uff0c\u9700\u6cbf3\u4e2a\u65b9\u5411\u65bd\u52a0\u6d41\u52a8\u7f16\u7801\u68af\u5ea6\u8fdb\u884c\u91c7\u96c6\uff0c\u4f46\u65f6\u95f4\u662f\u4e00\u4e2a\u65b9\u5411\u65f6\u76843\u500d\u3002<\/p>\n<p>\u6210\u50cf\u552f\u4e00\u51b3\u5b9a\u56e0\u7d20\u5c31\u662f\u6d41\u4f53\u7684\u6d41\u901f\u3002\u9009\u62e9\u9002\u5f53\u7684\u6d41\u901f\u7f16\u7801\u68af\u5ea6\u662fPC-MRA\u6210\u50cf\u5173\u952e\u6240\u5728\u3002&nbsp;&nbsp;<\/p>\n<p>PC MRA\u4e00\u822c\u9700\u89813\u4e2a\u57fa\u672c\u6b65\u9aa4\uff0c\u5373\u6210\u50cf\u4fe1\u606f\u7684\u91c7\u96c6\u3001\u51cf\u5f71\u548c\u56fe\u50cf\u7684\u663e\u793a\u3002<\/p>\n<\/p>\n<p>\u4e0eTOF MRA\u76f8\u6bd4\uff0cPC MRA\u4f18\u70b9<\/p>\n<p>1\u3001\u80cc\u666f\u7ec4\u7ec7\u6291\u5236\u597d\uff0c\u6709\u52a9\u4e8e\u5c0f\u8840\u7ba1\u7684\u663e\u793a;<\/p>\n<p>2\u3001\u6709\u5229\u4e8e\u6162\u8840\u6d41\u7684\u663e\u793a\uff0c\u9002\u7528\u4e8e\u9759\u8109\u7684\u68c0\u67e5;<\/p>\n<p>3\u3001\u6709\u5229\u4e8e\u8840\u7ba1\u72ed\u7a84\u548c\u52a8\u8109\u7624\u7684\u663e\u793a;<\/p>\n<p>4\u3001\u53ef\u8fdb\u884c\u8840\u6d41\u7684\u5b9a\u91cf\u5206\u6790\u3002<\/p>\n<p>\u7f3a\u70b9\uff1a<\/p>\n<p>1\u3001\u65f6\u95f4\u6bd4TOF MRA\u957f;<\/p>\n<p>2\u3001\u56fe\u50cf\u5904\u7406\u590d\u6742;<\/p>\n<p>3\u3001\u9700\u8981\u4e8b\u5148\u786e\u5b9a\u7f16\u7801\u6d41\u901f\uff0c\u7f16\u7801\u6d41\u901f\u8fc7\u5c0f\u5bb9\u6613\u51fa\u73b0\u53cd\u5411\u8840\u6d41\u7684\u5047\u8c61;\u7f16\u7801\u6d41\u901f\u5927\uff0c\u5219\u8840\u6d41\u7684\u76f8\u4f4d\u53d8\u5316\u592a\u5c0f\uff0c\u4fe1\u53f7\u660e\u663e\u51cf\u5f31\u3002<\/p>\n<p>\u4e34\u5e8a\u5e94\u7528\u76f8\u5bf9\u8f83\u5c11\uff0c\u7528\u4e8e1\u3001\u9759\u81092\u3001\u5fc3\u810f\u53ca\u5927\u8840\u7ba1\u7684\u8840\u6d41\u5206\u67903\u3001\u8111\u810a\u6db2\u6d41\u901f\u5206\u6790\u30023.0T 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