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題 名 | Caliber of Splenic Arteries in Predicting the Existence of Esophageal Varices=脾動脈管徑大小用於偵測食道靜脈曲張存在與否之角色 |
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作 者 | 楊培銘; 黃冠棠; 楊培鎮; 許金川; 王德宏; 陳定信; | 書刊名 | Journal of Medical Ultrasound |
卷 期 | 5:1 1997.03[民86.03] |
頁 次 | 頁16-20 |
分類號 | 415.515 |
關鍵詞 | 脾動脈管徑; 食道靜脈曲張; Splenic artery caliber; Spleen size; Portal hypertension; Liver cirrhosis; |
語 文 | 英文(English) |
英文摘要 | Background: The aim of this study was to evaluate the role of the caliber of splenic arteries in predicting the existence of esophageal varices. Materials and Methods: The study included a total of 130 patients with liver disease -- including 90 cirrhotics with esophageal varices, 20 cirrhotics without esophageal varices and 20 chronic hepatitis patients -- 30 normal subjects, and 15 patients with hematologic malignancies and splenomegaly. By using a Toshiba SSA-270A ultrasound scanner, measurements of the caliber of splenic arteries and the spleen size were performed for each case. Mann-Whitney U test and linear regression analysis were used for statistical analyses. Results: A significant linear correlation between the caliber of splenic arteries and the spleen size was noted in the group of cirrhotic patients with esophageal varices. The mean caliber of splenic arteries was significantly larger in the two groups with splenomegaly (ie, 90 cirrhotics with esophageal varices and 15 patients with hematologic malignancies) in comparison with the three groups without splenomegaly (ie, 30 normal subjects, 20 cirrhotics without esophageal varices and 20 chronic hepatitis patients): 0.61 and 0.65 cm vs 0.43, 0.45 and 0.44 cm, respectively (p<0.01). The sensitivity of splenic artery caliber greater than 0.52 cm for predicting esophageal varices was 92%, and that of spleen size greater than 23 cm �� was 89%. When either a splenic artery caliber greater than 0.52 cm or a spleen size greater than 23 cm �� was used for predicting the existence of esophageal varices, the sensitivity was increased to 97% (87/90). Conclusion: The caliber of splenic arteries can be a complementary parameter to the spleen size in the prediction of the existence of esophageal varices, which is usually an important manifestation of portal hypertension. |
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