Objective To understand the prevalence rate of carotid atherosclerosis and its relevant factors in Leliu community population over the age of 40. Methods The carotids of 1 976 people aged 40 ~ 80 from Leliu community were examined by color doppler ultrasonography. Their daily dietary fiber intake, blood pressure, blood lipids, blood sugar and other biochemical markers were investigated. Results The total prevalence rate of carotid atherosclerosis was 61.5%. Correlation analysis showed that there was a positive correlation between age and the prevalence rate (r = 0.988). The values of blood pressure, blood sugar, blood lipids and other biochemical markers of the population in the positive group of carotid atherosclerosis were higher than the negative group, while the dietary fiber intake in the positive group was lower than the negative group (P < 0.05). Correlation analysis showed that there was a remarkable negative correlation between dietary fiber intake and the prevalence rate (r = -.935). Conclusions The prevalence rate of carotid atherosclerosis in Leliu community population over the age of 40 was associated with age, hypertension, hyperlipidemia, blood sugar and dietary fiber intake. The prevalence rate increased with increasing age and reducing dietary fiber intake.%目的:了解勒流社区40岁以上人群颈动脉粥样硬化的患病率及其影响因素.方法:对1 976例40～80岁人群行颈动脉彩色多普勒超声检测,调查其每日膳食纤维摄入量,测血压,验血脂及血糖等生化指标.结果:颈动脉粥样硬化总患病率为61.5％,年龄与患病率相关分析r=0.988,呈正相关；颈动脉粥样硬化阳性组的血压、血糖、血脂等生化指标比阴性组高,膳食纤维摄入量则低,两组间比较差异有统计学意义(P＜0.05)；膳食纤维摄入量与患病率相关分析r=-0.935,呈负相关.结论:40岁以上的勒流社区人群颈动脉粥样硬化患病率与年龄、高血压、高血脂、血糖、膳食纤维摄入量相关,随年龄增长而增加,膳食纤维摄入量降低而升高.
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