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目的为了研究体检人群超重及肥胖情况,探讨心踝血管指数(CAVI)和血压分别与年龄以及体质指数(BMI)的关系,分析BMI在评价动脉硬化和高血压中的意义。方法选取2013年2—7月在安徽医科大学第一附属医院健康体检中心体检的941例体检人群为研究对象,运用统一的测量方法分别测量其身高及体重,根据公式计算出BMI,应用动脉硬化检测仪测出血压值与CAVI值,分别运用方差分析和多元Logistic回归分析对上述所得指标结果进行分析,并根据结果进行评价。结果 (1)此次研究的体检人群中超重及肥胖情况严重,体检人群超重者占42.3%(398人),肥胖者占14.3%(135人);(2)此次研究对象体检人群中,部分年龄组(41~70岁年龄组)收缩压随着年龄递增而上升(P<0.01),部分年龄组(18~50岁年龄组)舒张压随着年龄递增而上升(P<0.05);(3)此次研究对象体检人群中,全年龄组CAVI值随着年龄递增而明显增高;(4)此次研究对象体检人群中,少数年龄组(31~50岁年龄组)CAVI值随着BMI值增大而下降(P<0.05);(5)研究对象体检人群中,多数年龄组(18~60岁年龄组)收缩压和舒张压随着BMI值增大而明显上升(P<0.05);(6)多因素分析显示,此次研究对象体检人群年龄、血压与CAVI呈正相关(P<0.05),BMI与CAVI无明显相关性(P>0.05)。结论此次研究对象体检人群中超重和肥胖形势严峻;研究对象体检人群中年龄对血压有一定的影响,而年龄则与CAVI呈现明显的正相关;研究对象体检人群中BMI与血压呈明显正相关,而BMI与CAVI则无明显相关性;BMI并不能够作为准确反映动脉硬化的指标。
Objective To investigate the overweight and obesity in physical examination population and to explore the relationship between the ankle vascular index (CAVI) and blood pressure, age and body mass index (BMI), and to analyze the significance of BMI in evaluating atherosclerosis and hypertension. Methods From January to July 2013, 941 physical examination subjects in the physical examination center of the First Affiliated Hospital of Anhui Medical University were selected as research objects. Their body height and body weight were measured by unified measurement method. The BMI was calculated according to the formula, and atherosclerosis Detector measured blood pressure and CAVI values, respectively, using analysis of variance and multivariate Logistic regression analysis of the above index results were analyzed and evaluated according to the results. Results (1) Overweight and obesity were serious in the study population, 42.3% (398) were overweight, and 14.3% (135) were overweight. (2) In the study population, Systolic blood pressure in some age groups (41-70 years old group) increased with age (P <0.01), diastolic blood pressure increased in some age groups (18-50 years old group) with age (P <0.05). (3) The CAVI value of all age groups in the study population was significantly increased with the increasing of age; (4) The CAVI values of the minority groups (31-50 age group) BMI increased (P <0.05); (5) Systolic blood pressure and diastolic blood pressure of most age groups (18 ~ 60 age group) increased significantly with the increase of BMI (P <0.05) (6) Multivariate analysis showed that there was a positive correlation between age and blood pressure and CAVI (P <0.05), and there was no significant correlation between BMI and CAVI (P> 0.05). Conclusion The overweight and obesity prevalence in the study population was severe. Age of study subjects had some influence on blood pressure, while age showed a significant positive correlation with CAVI. There was a significant positive correlation between BMI and blood pressure in study subjects , While there was no significant correlation between BMI and CAVI; BMI can not be used as an accurate indicator of atherosclerosis.