目的:评估内皮型一氧化氮合酶(Endothelial nitric oxide synthase,eNOS)基因治疗对大鼠缺血后肢血管新生的影响。方法:局麻下将30只雄性SD大鼠后肢缺血模型制作后,随机分成实验组和对照组,每组15只。模型制作后1周,采用肌肉注射的方法...目的:评估内皮型一氧化氮合酶(Endothelial nitric oxide synthase,eNOS)基因治疗对大鼠缺血后肢血管新生的影响。方法:局麻下将30只雄性SD大鼠后肢缺血模型制作后,随机分成实验组和对照组,每组15只。模型制作后1周,采用肌肉注射的方法,实验组缺血后肢接受载有eNOS基因的5型重组腺病毒治疗,对照组接受生理盐水治疗。eNOS基因治疗后4周,评估SD大鼠踝部动脉压、微循环灌注、数字减影血管造影、组织微血管计数以及eNOS蛋白的表达。结果:eNOS基因治疗后4周,和对照组相比,接受eNOS基因治疗的大鼠缺血肢体,表现了更好的血流恢复(踝部动脉压(mmHg):58.2±4.7 vs 86.8±4.3,P<0.01;微循环灌注:142.0%±21.5%vs 219.6%±26.2%,P<0.01)、侧枝开放和血管新生(血管造影:6.7±1.1 vs 14.4±1.7,P<0.01;微血管/肌纤维比值:0.34±0.03 vs 0.56±0.02,P<0.01)以及eNOS蛋白的高表达(0.46±0.02 vs 0.73±0.02,P<0.01)。结论:eNOS基因治疗促进SD大鼠缺血后肢的血管新生。展开更多
Spontaneous rupture and bleeding from the carotid artery in acute promyelocytic leukemia (APL)patients leading to pseudoaneurysm (PSA) formation has not been reported. We first successfully treated an APL patient ...Spontaneous rupture and bleeding from the carotid artery in acute promyelocytic leukemia (APL)patients leading to pseudoaneurysm (PSA) formation has not been reported. We first successfully treated an APL patient with leli internal carotid artery rupture during chemotherapy leading to PSA using ultrasound-guided thrombin iniection (UGTI).展开更多
文摘目的:评估内皮型一氧化氮合酶(Endothelial nitric oxide synthase,eNOS)基因治疗对大鼠缺血后肢血管新生的影响。方法:局麻下将30只雄性SD大鼠后肢缺血模型制作后,随机分成实验组和对照组,每组15只。模型制作后1周,采用肌肉注射的方法,实验组缺血后肢接受载有eNOS基因的5型重组腺病毒治疗,对照组接受生理盐水治疗。eNOS基因治疗后4周,评估SD大鼠踝部动脉压、微循环灌注、数字减影血管造影、组织微血管计数以及eNOS蛋白的表达。结果:eNOS基因治疗后4周,和对照组相比,接受eNOS基因治疗的大鼠缺血肢体,表现了更好的血流恢复(踝部动脉压(mmHg):58.2±4.7 vs 86.8±4.3,P<0.01;微循环灌注:142.0%±21.5%vs 219.6%±26.2%,P<0.01)、侧枝开放和血管新生(血管造影:6.7±1.1 vs 14.4±1.7,P<0.01;微血管/肌纤维比值:0.34±0.03 vs 0.56±0.02,P<0.01)以及eNOS蛋白的高表达(0.46±0.02 vs 0.73±0.02,P<0.01)。结论:eNOS基因治疗促进SD大鼠缺血后肢的血管新生。
文摘Spontaneous rupture and bleeding from the carotid artery in acute promyelocytic leukemia (APL)patients leading to pseudoaneurysm (PSA) formation has not been reported. We first successfully treated an APL patient with leli internal carotid artery rupture during chemotherapy leading to PSA using ultrasound-guided thrombin iniection (UGTI).