主动脉

Methods Arterial bypass with prosthesis - graft was carried out in 15 cases: ascending aorta- bilateral axillar arteries and unilateral ICA bypass in 6 cases, ascending aorta - bilateral axillar arteries bypass in 3 cases, ascending aorta - unilateral axillar arteries and unilateral ICA bypass in 5 cases, and in one case of complicated TA combined with abdominal aorta, ascending aorta- bilateral axillar arteries and unilateral ICA bypass were performed, followed by unilateral axilla - femeral bypass.

方法15例重症头臂型大动脉炎患者经胸行人工血管旁路术，升主动脉-双腋动脉、单颈内动脉架桥6例，升主动脉-双腋动脉架桥3例，升主动脉一单腋动脉、单ICA架桥5例，1例合并腹主动脉闭塞的复合型，一期行升主动脉-双腋动脉、单ICA架桥，二期行单侧腋股搭桥术。

The preoperation diameter of ascending aorta was taken as baseline. Patients were divided according to its baseline aortic diameter into diameter0 mm group and diameter≥40 mm group, furthermore, the patients were also divided according to echocardiographic findings into bicuspid aortic valve group and tricuspid aortic valve group.

以术前升主动脉直径为基础值，按基础值的大小分为直径﹤40mm组和直径≥40mm组，并按主动脉瓣形态分为二叶主动脉瓣组和三叶主动脉瓣组。

EDD and NEDD of external iliac artery in vivo (measured with high-resolution ultrasound), serum lipids, NO, NOS, plasma ET, ADMA, symmetric dimethylarginine and L-arginine, the area of AS plaque in thoracic aorta (dyeing with Sudan Ⅳ), the degree of AS lesion in abdominal aorta and external iliac arteries, NOS activity on the wall of the abdominal aorta, the expression of iNOS mRNA and eNOS mRNA on the wall of the abdominal aorta and the contractive and dilatant functions of abdominal aorta and external iliac arteries in vitro; B. the activities of dimethylarginine dimethylaminohydrolase in kidney (including the establishment of the determining method). 3. In the third part of the study, normal aorta strips were used. The following were surveyed: their response to using ADMA alone, influence of treating with ADMA, intervention of polydatin, influence of using ADMA and PD together on Emax and Kd that were contracted by PE.

第5组为未给药组。2、观察指标：A、各组髂外动脉EDD和NEDD、血脂、血清NO和NOS活性、血浆ET、ADMA、SDMA和L-精氨酸水平、胸主动脉AS斑块面积、腹主动脉和髂外动脉AS病变积分、腹主动脉壁NOS组织化学染色和eNOS mRNA和iNOS mRNA表达及离体腹主动脉与髂外动脉舒缩功能。B、各组兔肾DDAH活性。3、离体做正常主动脉条对单用ADMA的反应、PD和ADMA对PE收缩效应的影响及PD预处理对受ADMA作用的正常主动脉条PE收缩反应的影响(包括对Emax和Kd值的影响)。

Results: in control group, there were no atherosclerotic changes on endarterium; in model group, there were obviously atherosclerotic changes on endarterium, in "National pits1573" 520、450、380 Alcohol group and 450 control Alcohol group, there were unconspicuously atherosclerotic changes on endarterium.

结果：空白对照组主动脉内膜未见粥样硬化改变；模型组主动脉内膜粥样硬化斑块形成，部分斑块病灶范围较大；45°对照酒组仅见少量散在脂质条纹；"国窖1573"52°、45°组，仅见轻度主动脉粥样硬化改变；38°组，主动脉壁见散在少量小范围脂质条纹。

Results: The tHey and blood fat level in blood plasma and expression of MCP-1mRNAof aorta on model group is obviously higher than that of control group (P＜0.05);the result of immunohistochemistry shows that the expression of VCAM-1 and MMP-2enhanced, Bcl-2 is lower; aorta slice shows endarterium discontinuation, strippingpartly, smooth muscle cell arrange puffly and chaotic, infiltration of lipoid ofdifferent degree are observed in aorta wall, pathological changes suffusion, morexanthoma cell, plaque protrude lumens. The they and blood fat level in blood plasmaand expression of MCP-lmRNA, VCAM-1, MMP-2 of aorta on intervention group aremuch lower than that of model group (P＜0.05); Bcl-2 of intervention group isstrengthened, and the pathomorphology and immunohistochemistry of aorta showpathological changes are slighter than model group.

结果：模型组，血浆中同型半胱氨酸浓度、血脂水平、主动脉MCP-1mRNA表达显著高于正常对照组(P＜0.05)，免疫组化示主动脉内皮细胞VCAM-1、MMP-2表达增强，Bcl-2表达降低；主动脉切片发现动脉内膜不连续，部分剥脱，平滑肌细胞排列疏松、紊乱，主动脉壁均见到程度不同的脂质浸润，其病变弥漫，泡沫细胞较多，可见斑块突出管腔；干预组，血浆中同型半胱氨酸含量、血脂水平显著低于对照组和模型组(P＜0.05)，主动脉MCP-1mRNA、VCAM-1、MMP-2表达显著弱于对照组和模型组(P＜0.05)，Bcl-2表达增强(P＜0.05)，主动脉病理形态学和免疫组织化学检测示病变轻于模型组。

Primary study on the reconstruction of suprarenal abdominal aorta of pig with aortic bypass was done.

建立在小猪腹腔动脉开口以上阻断腹主动脉1小时和辅助主动脉转流的模型，观察术后动物出现并发症及组织病理学的改变，研究辅助主动脉转流重建肾上腹主动脉的效果。

Objective To investigate the applied anatomic data of the infrarenal abdominal aorta of adult corpse anatomy and imageology.To explore the length and diameter of the infrarenal abdominal aorta and the relation between the body height and the length of the infrarenal abdominal aorta, supplemen the domestic data of abdominal aortic anatomy and provide the evidence to direct the treatment of abdominal aortic disease.

目的通过收集成人尸体标本和螺旋增强CT影像学腹主动脉资料对肾动脉下腹主动脉至双侧股动脉进行应用解剖学研究，了解肾动脉下腹主动脉、双侧髂总动脉、股动脉的长度和直径的解剖学资料，以及肾动脉下腹主动脉至股动脉分叉部长度与身高的关系，为补充腹主动脉体质资料和指导腹主动脉疾病的治疗提供依据。

The aortic diameter change rates were (-0.2±1.4) mm/year and (-0.18±0.98) mm/year in aortic diameter0 mm group and≥40 mm group, respectively. There was no significant difference between the two groups. The ascending aortic diameter change rates were (0.8±1.6) mm/year in BAV group, and (-0.3±1.5) mm/year in TAV group. The ascending aortic diameter of patients in BAV group enlarged continuously following AVR.

在升主动脉直径0mm组和≥40mm组中，升主动脉直径的变化率分别为(-0.2±1.4)mm/年和(-0.18±0.98)mm/年，两组之间无显著性差异；二叶主动脉瓣组和三叶主动脉瓣组升主动脉直径的变化率分别为(0.8±1.6)mm/年和(-0.3±1.5)mm/年，二叶主动脉瓣组病人的升主动脉直径在主动脉瓣置换术后仍继续扩大。

The causes of acrtic valve diseases in the three groups were analyzed. Results: Rheumatism was the most common reason, accounting for 59.7%(43 cases) of simple aortic stenosis, while bicuspid valves accounted for 23.6%(17 cases). The most common cause for aortic insufficiency was root dilation (38 patients, 43.2%).

结果：风湿性、二叶式主动脉瓣、主动脉根部扩张以及退行性主动脉瓣病变是主要的病因类型，其中单纯主动脉瓣狭窄以风湿性（43例，占59.7%）及二叶瓣17例(23.6%)病因为主，单纯主动脉瓣关闭不全以根部扩张（38例，占43.2%）为主，主动脉瓣狭窄合并关闭不全则以风湿性（70例，占88.5%）为主。

The characteristics and changes of etiology were analyzed. All cases with aortic diseases were divided into single aortic stenosis, single aortic insufficiency, and combined aortic stenosis plus insufficiency group.

分别以主动脉瓣狭窄、主动脉瓣关闭不全、主动脉瓣狭窄合并关闭不全3组分析，具体病因包括风湿性、二叶式主动脉、退行性主动脉瓣、主动脉根部扩张、感染性心内膜炎、少见及未确定等6类病因。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。