AIM: To observe the changes in pathohistology and ischemic hypoxia of sinoatrial node in rats after exhaustive swimming. 目的:观察大鼠力竭性游泳后窦房结病理组织学和缺血缺氧性变化。
By means of adrenochrome assay in vitro, and isoproterenol-induced ischemic myocardial injury as well as cyanide-indu-ced hypoxia in vivo, the protective effects of San Bao Su on autooxidation and myocardial ischemia were studied. 体外法参照肾上腺素红分析法研究三宝素对抗肾上腺素自发氧化的作用,用大鼠作对抗异丙肾上腺素所致的心肌缺血的实验。
Objective: To analyze the pathogeny and prognosis of neonates with hypoxic ischemic encephalopathy ( HIE) induced by hypoxia at different periods and explore its countermeasures. 目的:分析不同时期缺氧所致新生儿缺氧缺血性脑病(HIE)的病因和预后,探讨改善预后的措施。
Methods Cerebral ischemic model in vitro was induced by hypoxia and glucose deprivation, neural stem cells were divided randomly, migration and differentiation of neural stem cells were checked by cell label, immunocytochemistry and flow cytometry. 方法用低糖低氧损伤神经干细胞模拟脑缺血损伤,随机分组,采用细胞标记、免疫细胞化学法、流式细胞仪观察各组神经干细胞移行、分化情况。
MAIN OUTCOME MEASURES: Comparison of serum SOD and malondialdehyde between normal rabbits and myocardial ischemic rabbits under the acute hypothermia and hypoxia conditions. 主要观察指标:正常和心肌缺血家兔在急性低氧条件下血清SOD和丙二醛水平比较。
Conclusion The ischemic and hypoxia injury of myocardial exists during the clamping of ascending aorta. 结论主动脉阻断期间心肌有一定程度的缺血缺氧性损伤和酸中毒;
Protective effect of ischemic preconditioning on cerebral ischemia and hypoxia: historical retrospect and research progress 缺血预处理防治脑缺血缺氧的历史回顾与研究进展
Ultrastructure of the neurons in Ischemic Hypoxia in Rabbits 脑缺血、缺氧神经细胞超微结构变化的实验研究
Model group: the hypoxic ischemic models were made by left carotid artery ligation with hypoxia of 0.08 volume fraction for 3 hours; 模型组:结扎左颈动脉,吸入体积分数为0.08的低氧3h制成缺氧缺血性脑病模型。
BACKGROUND: Gypenosides ( GP) has a protective effect on the brain of experimental rats with cerebral ischemia, but whether it has the same effect on rats with vascular dementia ( VD) for the rats also have ischemic hypoxia injury in the neurons of hippocampus? 背景:绞股蓝对实验性脑缺血大鼠具有脑保护功能,血管性痴呆大鼠同样具有海马神经元的缺血缺氧性损伤,绞股蓝对此是否也有保护作用?
Methods: We set up a fetal rat model of perinatal ischemic hypoxia by ligating unilateral uterine horn vessel of pregnant Wistar rats. 方法:通过结扎孕鼠一侧子宫角血管(其另一侧宫内胎鼠作为对照),建立围产期缺血缺氧动物模型。
Results Intracranial hemorrhage sign were 48 cases, ischemic and hypoxia craniocerebral injury sign 94 were cases, skull and scalp soft tissues injury sign were 18 cases. 结果颅内出血48例,缺氧缺血性脑损伤94例,颅骨及头皮软组织损伤18例。
Clinical analysis on prognosis of 102 neonates with hypoxic ischemic encephalopathy induced by hypoxia at different periods 102例不同时期缺氧新生儿缺氧缺血性脑病临床预后分析
Alterations of amino acid zymogram after severe head injury with cerebral ischemic and hypoxia 重型颅脑损伤合并缺血缺氧后氨基酸谱改变
However, the ischemic hypoxia and ischemic – reperfu sion injury after the operation often cause great loss of primordial follicles, which results in low survival rate and worse function and shorter life span of the transplanted ovary. 但术后的缺血期及缺血-再灌注损伤常导致原始卵泡大量丧失,使得移植后卵巢成活率及功能低下,卵巢生存期缩短。
After ischemia stroke, ischemic neurons can be lead to ischemia, hypoxia and death. Timely restoration the blood circulation of the ischemia is the key treatment of cerebral ischemia. 脑组织发生缺血后可导致缺血区神经元的坏死,及时恢复缺血区血运是治疗脑缺血的关键。
Under ischemic hypoxia, FG may protect MCSC against damage caused by ischemia and hypoxia, promoting cell survival and proliferation. 在缺血缺氧条件下,FG能够保护MCSC免受缺血缺氧损伤,促进细胞存活和增殖。
Acupuncture preconditioning can protect ischemic and hypoxia cardiac muscle tissue by controlling endogenous substances. 针刺预处理可通过调控内源性物质的表达对缺血缺氧心肌组织起保护作用。
Our data indicate that ischemic brain extract conditioned medium could reduce cell death and apoptosis, and increase cell proliferation in astrocytes after hypoxia treatment. 结果表明,缺血脑组织条件培养基能够明显减少缺氧缺糖处理后的星形胶质细胞凋亡,增加细胞存活和细胞增殖。