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題 名 | 利用都卜勒超音波測量肝硬化及肝癌患者之肝門靜脈血流量 |
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作 者 | 鍾元強; | 書刊名 | 中華民國外科醫學會雜誌 |
卷 期 | 25:2 民81.03-04 |
頁 次 | 頁1064-1069 |
分類號 | 415.5362 |
關鍵詞 | 都卜勒超音波; 肝硬化; 肝癌; 肝門靜脈血流量; |
語 文 | 中文(Chinese) |
中文摘要 | 門靜脈血波量佔肝臟血流量的三分之二,而門靜脈血流變化是我們對於肝硬化或肝癌患者之病生理變化改變之了解的重要指標,而利用都卜勒超音波測定腹腔內血管之血流速及血流量,是現今唯一較方便且不具侵襲性之測量方法,對於慢性肝疾患之血流動力變化之了解十分具有價值。我們利用此一方法測量台大醫院及省立新竹醫院中正常人(n=20)、肝硬化患者(n=14)、肝癌合併肝硬化患者(n=13)及肝癌未合併肝硬化患者(n=16)之肝門靜脈的血流速、橫斷面積及血流量而加以分析。發現門靜脈流速在肝硬化(l1.6±0.74 cm/sec)及肝癌合併肝硬化組(12.1±0.83 cm/sec)要比正常控制組(16.1±0.71 cm/sec)呈顯著的降低(p<0.05)。門靜脈之橫斷面積在肝硬化(1.54±0.14 cm2)及肝癌合併肝硬化組(1.47±0.13 cm2)也較正常控制組(1.11±0.07cm2)有顯著的增大(p<0.05)。而肝癌未合併肝硬化者其門脈流速(13.94±1.21 cm/sec)和橫斷面積(1.42±0.19 cm2)則和正常組未有明顯統計學上之差異(p>0.05)。然而門靜脈流量在此四組間並無明顯之差異。至於肝癌中若合併有肝門靜脈栓塞之情形(n=9)和無肝門靜脈栓塞(n=20)的病人比較,其肝門靜脈橫截面看(1.43±0.29 cm2 vs 1.38±0.11 cm2),流速(14.0± 1.57 cm/sec vs 12.7± 0.73 cm/sec )和流量(822.48± 102.72 ml/min vs 732.38± 55:57 ml/min)均無明顯有意義的差別(p>0.05)。由此可推論肝癌患者會引起門靜脈流速及橫斷面積之改變,主要原因是因肝硬化之產生,倘若腫瘤本身未合併肝硬化則肝門靜脈之血流力學改變並不會太大。這使我們對肝癌之血流力學有更進一步之暸解。 |
英文摘要 | The portal venous hemodynamics of normal controls (19 cases), patients with liver cirrhosis (14 cases), hepatoma with cirrhosis (13 cases), and hepatoma without cirrhosis (16 cases) were investigated by means of a duplex system consisting of a linear eletroscanner and a pulsed Doppler flowmeter. In cases of liver cirrhosis and hepatoma with cirrhosis, the cross sectional area of portal vein trunk became greater than normal controls (1.54±0.14 cm2, 1.47±0.13 cm2 vs 1.11±0.07cm2, P<0.05). The velocity of these two groups tended to decrease(11.6±0.74 cm/sec, 12.1±0.83 cm/sec vs 16.1±0.71 cm/sec, P<0.05). There, however, was no significant difference in the cross section area and velocity between the groups of hepatoma without cirrhosis and normal controls (1.42±0.19 cm2 vs 1.11±0.07 cm2 and 13.94±1.21 cm/sec vs 16.1±0.71 cm/sec P>0.05). Bloodflow volume also was not different among these four groups. 9 cases existed whose hepatoma was complicated with the portal vein thrombosis. Their portal venous hemodynamics, however, was not significantly different from those patients without thrombosis in the cross sectional area (1.43±0.29 cm3 vs 1.38±0.11 cm3, P>0.05), the portal vein velocity (14.0±15.7 cm/sec vs 12.7±0.73 cm/sec, P>0.05), and the portal blood flow volume (822.48±102.72 ml/min vs 732.38±55.57 ml/min, P>0.05). In conclusion, the hemodynamic changes of the portal venous system of hepatoma is mainly due to the liver parenchyma change, such as cirrhosis. The portal hemodynamics will not significantly change when the hepatoma is not combined with cirrhosis. |
本系統中英文摘要資訊取自各篇刊載內容。