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高脂血症是指因各种原因引起的机体脂代谢紊乱使血胆固醇或甘油三脂水平升高的情况。长期血脂增高的直接后果是脂质尤其是胆固醇侵入大血管壁沉积、聚集,促使动脉内膜平滑肌细胞和纤维细胞增生,导致动脉粥样硬化（AS）,而AS又是冠心病、脑卒中等高死亡率、高致残率疾病的重要病理基础。因此,高脂血症与人类的健康和生存密切相关。大量研究表明,血脂水平,特别是胆固醇水平与膳食组成密切相关,合理的饮食是预防、治疗高脂血症的重要措施之一。为了解城市中老年高脂血症患者的营养状况及膳食结构,为高脂血症患者膳食结构的调整和营养指导工作的开展提供依据,我们于2001年对北京市西城区新街口等8个社区的295名年龄40-70岁
Hyperlipidemia refers to a variety of reasons caused by the body lipid metabolism disorder so that blood cholesterol or triglyceride levels increased. As a direct result of long-term elevated lipids, lipids, especially cholesterol, invade the walls of large blood vessels, accumulate, promote the proliferation of intimal smooth muscle cells and fibroblasts, leading to atherosclerosis (AS), which in turn is coronary heart disease, stroke, etc. High mortality, high morbidity disorders of the important pathological basis. Therefore, hyperlipidemia is closely related to human health and survival. A large number of studies have shown that blood lipid levels, especially cholesterol levels are closely related to diet composition, and reasonable diet is one of the important measures to prevent and treat hyperlipidemia. In order to understand the nutritional status and dietary structure of middle-aged and elderly patients with hyperlipidemia, provide the basis for the adjustment of dietary structure and nutritional guidance for patients with hyperlipidemia. In 2001, A community of 295 aged 40-70 years old