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淀粉样前体蛋白酶与β-淀粉样蛋白在衰老痴呆大鼠脑组织中的表达
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作者 蔡志友 晏宁 +5 位作者 晏勇 张骏 王凤英 王咏龙 吴芳 张建刚 《中国老年学杂志》 CAS CSCD 北大核心 2009年第13期1639-1641,共3页
目的观察衰老痴呆大鼠脑组织淀粉样前体蛋白酶(APP)、β-淀粉样蛋白(Aβ)表达,探讨APP及Aβ在痴呆衰老中的作用机制。方法Wistar大鼠随机分为正常组、假手术组、4、6、8w模型组。穿梭箱实验、Morris水迷宫实验检测认知行为学改变,蛋白... 目的观察衰老痴呆大鼠脑组织淀粉样前体蛋白酶(APP)、β-淀粉样蛋白(Aβ)表达,探讨APP及Aβ在痴呆衰老中的作用机制。方法Wistar大鼠随机分为正常组、假手术组、4、6、8w模型组。穿梭箱实验、Morris水迷宫实验检测认知行为学改变,蛋白质免疫印迹法和酶联免疫吸附法检测APP,酶联免疫吸附法检测Aβ在衰老痴呆大鼠脑组织中的表达,用图象分析仪测定光密度值。结果4、6及8w模型组APP、Aβ表达较正常组及假手术组明显增高(P<0.01),3个模型组间比较无显著差异(P>0.05),APP和Aβ表达时间上无相关性,APP蛋白表达水平与学习、记忆正相关,Aβ蛋白表达水平与学习、记忆负相关。结论APP及Aβ在衰老痴呆大鼠脑组织表达增高,推测APP具有脑保护作用,Aβ参与了衰老痴呆的发病机制但不具有病理意义。 展开更多
关键词 衰老痴呆 淀粉样前体蛋白酶 Β-淀粉样蛋白
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Management of chronic heart failure in the older population 被引量:26
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作者 Nahid Azad Genevieve Lemay 《Journal of Geriatric Cardiology》 SCIE CAS CSCD 2014年第4期329-337,共9页
Chronic heart failure (CHF) is the leading cause of hospitalization for those over the age of 65 and represents a significant clinical and economic burden. About half of hospital re-admissions are related to co-morb... Chronic heart failure (CHF) is the leading cause of hospitalization for those over the age of 65 and represents a significant clinical and economic burden. About half of hospital re-admissions are related to co-morbidities, polypharmacy and disabilities associated with CHF. Moreover, CHF also has an enormous cost in terms of poor prognosis with an average one year mortality of 33%–35%. While more than half of patients with CHF are over 75 years, most clinical trials have included younger patients with a mean age of 61 years. Inadequate data makes treatment decisions challenging for the providers. Older CHF patients are more often female, have less cardiovascular diseases and associated risk factors, but higher rates of non-cardiovascular conditions and diastolic dysfunction. The prevalence of CHF with reduced ejection fraction, ischemic heart disease, and its risk factors declines with age, whereas the prevalence of non-cardiac co-morbidities, such as chronic renal failure, dementia, anemia and malignancy increases with age. Diabetes and hypertension are among the strongest risk factors as predictors of CHF particularly among women with coronary heart disease. This review paper will focus on the specific consideration for CHF assessment in the older population. Management strategies will be reviewed, including non-pharmacologic, pharmacologic, quality care indicators, quality improvement in care transition and lastly, end-of-life issues. Palliative care should be an integral part of an interdiscipli-nary team approach for a comprehensive care plan over the whole disease trajectory. In addition, frailty contributes valuable prognostic in-sight incremental to existing risk models and assists clinicians in defining optimal care pathways for their patients. 展开更多
关键词 Heart failure Elderly patient MANAGEMENT HYPERTENSION Coronary artery disease DIABETES
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阿尔采末氏病的临床特征与误诊
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作者 于建军 《中国误诊学杂志》 CAS 2001年第5期699-700,共2页
关键词 阿尔茨海默病 诊断 临床特征 误诊 衰老痴呆
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