Hemobilia is an uncommon and potential life-threatening condition mainly due to hepato-biliary tree traumatic or iatrogenic injuries.Spontaneously ruptured aneurysm of the hepatic artery is seldom described.We report ...Hemobilia is an uncommon and potential life-threatening condition mainly due to hepato-biliary tree traumatic or iatrogenic injuries.Spontaneously ruptured aneurysm of the hepatic artery is seldom described.We report the case of an 89-year-old woman presenting with abdominal pain,jaundice and gastrointestinal bleeding,whose ultrasound and computed tomography revealed a non-traumatic,spontaneous aneurysm of the right hepatic artery.The oeso-gastro-duodenoscopy and colonoscopy did not reveal any bleeding at the ampulla of Vater,nor anywhere else.Selective angiography confirmed the diagnosis of hepatic artery aneurysm and revealed a full hepatic artery originating from the superior mesenteric artery.The patient was successfully treated by selective embolization of microcoils.We discuss the etiologies of hemobilia and its treatment with selective embolization,which remains favored over surgical treatment.Although aneurysm of the hepatic artery is rare,especially without trauma,a high index of suspicion is needed in order to ensure appropriate treatment.展开更多
目的研究丙酮酸乙酯对大鼠冠状动脉微栓塞后炎症因子表达的影响。方法通过心尖部注射大鼠自体血栓微粒建立大鼠冠状动脉微栓塞模型。36只大鼠分为假手术组、冠状动脉微栓塞未治疗组和丙酮酸乙酯预处理组,每组各12只,于术后3天处死。W es...目的研究丙酮酸乙酯对大鼠冠状动脉微栓塞后炎症因子表达的影响。方法通过心尖部注射大鼠自体血栓微粒建立大鼠冠状动脉微栓塞模型。36只大鼠分为假手术组、冠状动脉微栓塞未治疗组和丙酮酸乙酯预处理组,每组各12只,于术后3天处死。W estern b lot测定肿瘤坏死因子α、白细胞介素1β的表达水平,实时PCR检测肿瘤坏死因子α、白细胞介素1βmRNA表达量。结果与假手术组相比,冠状动脉微栓塞后3天,心肌组织肿瘤坏死因子α、白细胞介素1βmRNA及蛋白水平明显升高;左室功能显著恶化,左室舒张末压明显增大,左室收缩压、左室内压上升最大速率明显下降(P<0.01);心肌肿瘤坏死因子α、白细胞介素1β蛋白水平与心功能呈明显相关性。与冠状动脉微栓塞未治疗组比较,丙酮酸乙酯预处理能够显著抑制冠状动脉微栓塞后肿瘤坏死因子α、白细胞介素1β的mRNA及蛋白水平表达,改善心室功能。结论丙酮酸乙酯预处理能够抑制大鼠冠状动脉微栓塞后促炎症因子的过度激活,改善心功能。展开更多
文摘Hemobilia is an uncommon and potential life-threatening condition mainly due to hepato-biliary tree traumatic or iatrogenic injuries.Spontaneously ruptured aneurysm of the hepatic artery is seldom described.We report the case of an 89-year-old woman presenting with abdominal pain,jaundice and gastrointestinal bleeding,whose ultrasound and computed tomography revealed a non-traumatic,spontaneous aneurysm of the right hepatic artery.The oeso-gastro-duodenoscopy and colonoscopy did not reveal any bleeding at the ampulla of Vater,nor anywhere else.Selective angiography confirmed the diagnosis of hepatic artery aneurysm and revealed a full hepatic artery originating from the superior mesenteric artery.The patient was successfully treated by selective embolization of microcoils.We discuss the etiologies of hemobilia and its treatment with selective embolization,which remains favored over surgical treatment.Although aneurysm of the hepatic artery is rare,especially without trauma,a high index of suspicion is needed in order to ensure appropriate treatment.
文摘目的研究丙酮酸乙酯对大鼠冠状动脉微栓塞后炎症因子表达的影响。方法通过心尖部注射大鼠自体血栓微粒建立大鼠冠状动脉微栓塞模型。36只大鼠分为假手术组、冠状动脉微栓塞未治疗组和丙酮酸乙酯预处理组,每组各12只,于术后3天处死。W estern b lot测定肿瘤坏死因子α、白细胞介素1β的表达水平,实时PCR检测肿瘤坏死因子α、白细胞介素1βmRNA表达量。结果与假手术组相比,冠状动脉微栓塞后3天,心肌组织肿瘤坏死因子α、白细胞介素1βmRNA及蛋白水平明显升高;左室功能显著恶化,左室舒张末压明显增大,左室收缩压、左室内压上升最大速率明显下降(P<0.01);心肌肿瘤坏死因子α、白细胞介素1β蛋白水平与心功能呈明显相关性。与冠状动脉微栓塞未治疗组比较,丙酮酸乙酯预处理能够显著抑制冠状动脉微栓塞后肿瘤坏死因子α、白细胞介素1β的mRNA及蛋白水平表达,改善心室功能。结论丙酮酸乙酯预处理能够抑制大鼠冠状动脉微栓塞后促炎症因子的过度激活,改善心功能。
